Contemporary Amperex Technology (Hong Kong) Limited patent applications on March 6th, 2025
Patent Applications by Contemporary Amperex Technology (Hong Kong) Limited on March 6th, 2025
Contemporary Amperex Technology (Hong Kong) Limited: 50 patent applications
Contemporary Amperex Technology (Hong Kong) Limited has applied for patents in the areas of H01M4/02 (9), H01M10/0567 (7), H01M10/0525 (6), H01M10/42 (6), H01M50/342 (6) H01M10/0567 (3), H01M50/533 (3), H01M50/3425 (3), H01M10/0587 (2), H01M50/474 (2)
With keywords such as: electrode, battery, assembly, layer, material, cell, member, direction, end, and portion in patent application abstracts.
Patent Applications by Contemporary Amperex Technology (Hong Kong) Limited
Inventor(s): Yuanmiao Zhao of Ningde (CN) for contemporary amperex technology (hong kong) limited, Zhanliang Li of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaojian Huang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xinwei Chen of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yu Yan of Ningde (CN) for contemporary amperex technology (hong kong) limited, Zhimin Dan of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): B60L50/60, B60L53/62, B60L58/27
CPC Code(s): B60L50/66
Abstract: embodiments of the present application provide a traction battery charging and discharging circuit, a system and a control method and a control device therefor. the traction battery charging and discharging circuit comprises a power module, a heating module, and a regulating switch assembly. the heating module comprises an energy storage element and a switch module. the power module comprises at least a first traction battery and a second traction battery. the regulating switch assembly comprises a plurality of switches, and is connected to the power module and the heating module. the regulating switch assembly is configured to connect the first traction battery to the second traction battery in series or in parallel in response to a regulation signal.
Inventor(s): Hongzhe JIAO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Kun ZHAO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peiwei ZHANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Kang ZHOU of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): B60L53/30, B60L53/62, B60L58/12
CPC Code(s): B60L53/305
Abstract: the disclosure relates to an interface circuit, an electric device, a detection method, a system, a media, and a program product. the charging device interface circuit includes a charging interface and a voltage divider circuit coupled to each other. the voltage divider circuit is coupled with a power supply. the voltage divider circuit performs voltage division of an output voltage of the power supply and outputs a detection signal. the detection signal output by the voltage divider circuit when the charging interface is coupled to a charging device is different from the detection signal output by the voltage divider circuit when the charging interface is not coupled to a charging device. by applying this disclosure, it is possible to detect whether the charging device is coupled to the electric device.
Inventor(s): Qing WU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jun HU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shiping FENG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wen CHANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Qiuhui ZHENG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haoran LU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yang LEI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Pengfei DUAN of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): B65H9/20, G06T7/70, H01M10/04
CPC Code(s): B65H9/20
Abstract: the present application provides a method, a device, an apparatus, and storage medium for deviation correction of an electrode sheet. the deviation correction method of the electrode sheet includes: determining the first deviation amount of the electrode sheet on the stacking machine in the first direction; correcting a deviation of the electrode sheet in the first direction according to the first deviation amount; determining the second deviation amount of the electrode sheet in the second direction, wherein the second deviation amount is different from the first deviation amount; and correcting a deviation of the electrode sheet in the second direction according to the second deviation amount.
Inventor(s): Hailin Zou of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peipei Chen of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): C07F5/04, H01M4/131, H01M4/62, H01M10/0567, H01M10/42, H01M50/411
CPC Code(s): C07F5/04
Abstract: this application provides a compound of formula (i), formula (ii), or formula (iii). the compound has good adsorption ability on the surface of a metal and a substance containing metal ions, and when applied to secondary batteries, can help improve cycling performance and service life of the secondary batteries.
Inventor(s): Zhimin Zheng of Ningde (CN) for contemporary amperex technology (hong kong) limited, Linggang Zhou of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): G01R31/3842, G01R31/389, H01M10/42, H01M10/44, H01M10/48, H02J7/34
CPC Code(s): G01R31/3842
Abstract: this application provides an inspection method, applied to an energy storage system. the energy storage system includes a control unit and multiple energy storage units, and the inspection method is executed by the control unit. the method includes: controlling a first energy storage unit of the multiple energy storage units to discharge to a second energy storage unit of the multiple energy storage units within a first preset time; controlling the second energy storage unit to receive electricity discharged by the first energy storage unit within the first preset time; obtaining first voltage information and first current information of the first energy storage unit; and determining a connection state of the first energy storage unit based on the first voltage information and the first current information. the technical solution of this application can ensure the performance of the energy storage system and maintain the stability of the power grid.
20250079099. DRIVE CIRCUIT_simplified_abstract_(contemporary amperex technology (hong kong) limited)
Inventor(s): Jirong Huo of Ningde City (CN) for contemporary amperex technology (hong kong) limited, Yanhui Fu of Ningde City (CN) for contemporary amperex technology (hong kong) limited, Le Chu of Ningde City (CN) for contemporary amperex technology (hong kong) limited, Changjian Liu of Ningde City (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01H47/18, H03K17/284, H03K17/687
CPC Code(s): H01H47/18
Abstract: embodiments of this application relate to the field of electricity, and disclose a drive circuit. in some embodiments of this application, the drive circuit includes a low-side driver module and a delay module, the delay module is configured to output a delay signal of preset duration to the low-side driver module in a case that a control module is being reset; and the low-side driver module is configured to: according to on the delay signal of preset duration, maintain a first state within the preset duration, the first state being the same as a second state; where the second state is a working state of the low-side driver module before the control module is reset, and the second state includes being on or off. the embodiments can help avoid safety hazards caused by unexpected disconnection of a drive signal of the control module.
Inventor(s): Hu XU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haizu JIN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Fenggang ZHAO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Chuying OUYANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shaojun NIU of Ningde, Fujian (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/13, H01M4/02, H01M4/38, H01M4/587
CPC Code(s): H01M4/13
Abstract: this application provides a secondary battery and an electrical device. the secondary battery includes a current collector and a negative film layer. the negative film layer includes: a first film layer, disposed on at least one surface of the current collector, where the first film layer includes a first negative active material; a second film layer, disposed on a surface of the first film layer, where the surface is away from the current collector, and the second film layer includes a second negative active material. a volume distribution diameter dvof the first negative active material is greater than a volume distribution diameter dvof the second negative active material, and a powder compaction density of the first negative active material is greater than the powder compaction density of the second negative active material under a same pressure.
Inventor(s): Qingwei Yan of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jiazheng Wang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaobin Dong of Ningde (CN) for contemporary amperex technology (hong kong) limited, Heke Xu of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/13, H01M4/02, H01M10/0587, H01M50/46
CPC Code(s): H01M4/13
Abstract: the present application relates to a secondary battery, a battery, and a power consuming device, the secondary battery comprises an electrode assembly, and the electrode assembly comprises: at least one positive electrode sheet and at least one negative electrode sheet, a negative electrode film layer of the at least one negative electrode sheet having a nonreactive region thereon, the nonreactive region being not opposite a positive electrode film layer on the positive electrode sheet disposed adjacent to the negative electrode sheet where the nonreactive region is located, and the at least one nonreactive region being provided with a prelithiation layer; wherein total capacity of the secondary battery is q, total capacity from prelithiation of all the prelithiation layers is q, and qmeets the following condition: 0.5% q≤q≤10% q.
Inventor(s): Chang Peng of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peipei Chen of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/131, H01M4/133, H01M10/052, H01M10/0567, H01M10/0585
CPC Code(s): H01M4/131
Abstract: an electrolyte solution, a battery module, a battery pack, and an electrical device are disclosed. the electrolyte solution includes a solvent and a fluorine-containing lithium salt. an electrochemical stability coefficient of the electrolyte solution is x=s/(s+4s), ranging from 0.18 to 0.6, optionally 0.25 to 0.55, where sand sare measurable by a specified measurement method. the secondary battery that employs the electrolyte solution is of high electrochemical stability, and the electrolyte solution improves the storage performance and cycle performance of the secondary battery.
Inventor(s): Donghao WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Erdong JING of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haotian XIE of Ningde (CN) for contemporary amperex technology (hong kong) limited, Nannan ZHANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xin SUN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiao CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/1391, H01M4/02, H01M4/04, H01M10/0525
CPC Code(s): H01M4/1391
Abstract: a lithium supplement electrode plate and a preparation method thereof, a battery containing the lithium supplement electrode plate, and an electrical device are disclosed. the lithium supplement electrode plate includes a current collector and a coating region disposed on at least one side of the current collector. the coating region includes at least two active layers. the at least two active layers include a pore-forming agent. two adjacent active layers that include the pore-forming agent are defined as a first active layer and a second active layer respectively, the first active layer is disposed on the current collector, the second active layer is disposed on one side, oriented away from the current collector, of the first active layer. a porosity of the second active layer is greater than a porosity of the first active layer.
Inventor(s): Kai WU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaobin DONG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yuan LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Zijian LV of Ningde (CN) for contemporary amperex technology (hong kong) limited, Liangbin LIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jiazheng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/36, H01M4/38, H01M4/587, H01M10/0525
CPC Code(s): H01M4/366
Abstract: the present application relates to a silicon-carbon composite material in the form of particles comprising a porous carbon skeleton, a silicon-containing deposition layer, and a carbon-containing coating layer, wherein the silicon-containing deposition layer is in pores of the porous carbon skeleton, the carbon-containing coating layer is on the silicon-containing deposition layer and/or on the surface of the particles, and the silicon-carbon composite material has an oil absorption number of 35 ml/100 g to 80 ml/100 g. the silicon-carbon composite material of the present application has a high energy density and an improved cycle life. in addition, the present application further relates to a negative electrode plate comprising the material, a secondary battery, a battery module, a battery pack, and a power consuming device.
Inventor(s): Qingyan Ma of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yuzhen Zhao of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yingjie Guan of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yan Wen of Ningde (CN) for contemporary amperex technology (hong kong) limited, Qisen Huang of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/62, C01B25/42, C01B25/45, H01M4/02, H01M4/36, H01M4/505, H01M4/58
CPC Code(s): H01M4/628
Abstract: provided are a positive electrode material composition, a method for the preparation thereof and a positive electrode plate, a secondary battery and an electrical device containing the same. the positive electrode material composition comprises a positive electrode active material with a core-shell structure and an organopolysiloxane compound, wherein said core comprises limnapro; and said shell comprises a first cladding layer covering said core and a second cladding layer covering said first cladding layer. the positive electrode material composition of the present application enables the secondary battery to have a higher energy density, while having improved cycle performance, safety performance and/or rate performance.
Inventor(s): Shaojun LIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenwei ZHAN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xinxin ZHANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Chuying OUYANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Qingzheng LI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/62, B60L50/64, C01G53/00, H01M4/36, H01M4/525
CPC Code(s): H01M4/628
Abstract: a composite positive electrode active material, a method for preparing the same, and an electric device are described. the method includes: providing positive electrode active material particles; providing a solid aluminum salt to make the solid aluminum salt cover a surface of the positive electrode active material particles; and providing a solid base to the positive electrode active material particles covered by the solid aluminum salt to make the solid aluminum salt and the solid base undergo an in situ solid-phase chemical reaction and generate a cladding layer covering the surface of the positive electrode active material particles, to obtain the composite positive electrode active material, wherein the cladding layer has alumina nanoparticles. the prepared alumina can uniformly cover the surface of the positive electrode active material particles, protect the positive electrode active material, and ensure the electrochemical performance of the positive electrode active material.
Inventor(s): Jiao Liu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Limei Zhang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peipei Chen of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jiamo Ren of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M10/0567, H01M4/02, H01M4/04, H01M10/052, H01M10/0569
CPC Code(s): H01M10/0567
Abstract: provided are a lithium secondary battery and an electric apparatus. the lithium secondary battery includes: a negative electrode plate, where the negative electrode plate includes a negative electrode current collector and a negative electrode active material layer disposed on at least one side of the negative electrode current collector, and a porosity of the negative electrode active material layer is p; and an electrolyte, where the electrolyte includes a solvent, the solvent includes at least one of compounds represented by the following formula (i), and a mass fraction of the compound represented by formula (i) in the solvent is w1, w1 and p satisfying 0.65≤w1/p≤4.4;
Inventor(s): Jiao Liu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Limei Zhang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peipei Chen of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jiamo Ren of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M10/0567, H01M4/02, H01M4/04, H01M10/052, H01M10/0569
CPC Code(s): H01M10/0567
Abstract:
Inventor(s): Meng Qin of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yingjie Guan of Ningde (CN) for contemporary amperex technology (hong kong) limited, Qingyan Ma of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yuzhen Zhao of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yan Wen of Ningde (CN) for contemporary amperex technology (hong kong) limited, Qisen Huang of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M10/0567, C07C43/12, H01M10/054, H01M10/0568
CPC Code(s): H01M10/0567
Abstract: the present application provides an electrolyte solution for a sodium-ion battery, comprising a sodium salt of formula nabofr, a fluoroalkyl ether, and other ethers except for the fluoroalkyl ether, wherein a, x, y, and z are as defined in the specification. the electrolyte solution according to the present application has good stability, particularly oxidation resistance and good solvability of sodium ions, thus broadening an electrochemical window of a corresponding sodium-ion battery, enhancing coulombic efficiency, and improving cycling performance and safety performance. the present application further provides a secondary battery, a battery module, a battery pack, and an electrical apparatus using the electrolyte solution for a sodium-ion battery.
Inventor(s): Meng Qin of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yingjie Guan of Ningde (CN) for contemporary amperex technology (hong kong) limited, Qingyan Ma of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yuzhen Zhao of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yan Wen of Ningde (CN) for contemporary amperex technology (hong kong) limited, Qisen Huang of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M10/0567, H01M4/02, H01M4/583, H01M10/054, H01M10/0568, H01M10/0569
CPC Code(s): H01M10/0567
Abstract: this application provides a sodium-ion battery electrolytic solution. the electrolytic solution includes an ether compound as a solvent, a sodium borate compound as a sodium salt, and a borate ester compound as an additive, and a percentage of the ether compound in a total solvent of the electrolytic solution is 50 wt % or above. the electrolytic solution can inhibit battery volume expansion and sodium dendrite growing. this application further provides a sodium-ion battery including the electrolytic solution, a battery module, a battery pack, and an electrical device.
Inventor(s): Limei ZHANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peipei CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jiao LIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jiamo REN of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M10/0569, H01M4/02, H01M4/587, H01M10/0525, H01M10/0567
CPC Code(s): H01M10/0569
Abstract: this application provides a secondary battery. a negative active material thereof includes a graphite material. a non-aqueous electrolyte thereof includes chain carboxylate. an oi value of a negative electrode plate, a resistance value r of the negative electrode plate, and a mass percent wof a first solvent in a solvent satisfy 0.08/m�≤w�100/(r�oi)≤5/m�, where the oi value means a ratio of an intensity of a 004 crystal plane diffraction peak to an intensity of a 110 crystal plane diffraction peak of the graphite material, and r is in units of m�.
Inventor(s): Jiao Liu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Limei Zhang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peipei Chen of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jiamo Ren of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M10/0569, H01M10/0525, H01M10/0567
CPC Code(s): H01M10/0569
Abstract: this application relates to a lithium-ion battery having a cell group margin a of 88%-97% and including a non-aqueous electrolyte. the non-aqueous electrolyte includes one or more first organic solvents with a specified structure. based on a total mass of an organic solvent in the non-aqueous electrolyte, a mass percentage of the first organic solvent is x1, x1 being in a range of 20%-80%, and the cell group margin a and the mass percentage x1 of the first organic solvent satisfy a specified relation: 0.22≤x1/a≤0.91. this application further relates to an electric apparatus including the lithium-ion battery.
Inventor(s): Yalong WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Lei LU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Zheng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Kaiming DENG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Linzhen YU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Changyuan HU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shisong LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shunhao DAI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M10/0587, H01M4/02, H01M4/13
CPC Code(s): H01M10/0587
Abstract: this application relates to an electrode plate structure. with a ratio cbof a surface loading of a second cathode material layer to a surface loading of a first anode material layer controlled to be 1:(1.01-1.3) and a ratio cbof a surface loading of a first cathode material layer to a surface loading of a second anode material layer controlled to be 1:(1.03-1.4), the surface loadings of the first anode material layer and second anode material layer are slightly higher than the surface loadings of the corresponding second cathode material layer and first cathode material layer, so that during cycling, especially at a high rate, the first anode material layer and the second anode material layer can provide sufficient lithiation capacity, avoiding lithium precipitation on the anode. this application also implements a differential design for the material layers on two sides of the electrode plates.
Inventor(s): Liya ZHAO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wei Li of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shengwu Zhang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Huihui Liu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenfa Lin of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yongjiang Wu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Fei Qu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Daoshuan Yang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Binghong Huang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Ping Liu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Liangcheng Liu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Long Wang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenshuai Zhang of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M10/0587, H01M10/0525, H01M50/249, H01M50/538
CPC Code(s): H01M10/0587
Abstract: this application discloses a battery cell, a battery, and an electric apparatus. the battery cell includes an electrode assembly. the electrode assembly includes a positive electrode plate, a negative electrode plate, a separator, an insulation layer, and an adhesive layer. the positive electrode plate, the separator, and the negative electrode plate are stacked and wound, and the electrode assembly has bent regions. at least a portion of the insulation layer and at least a portion of the adhesive layer are disposed in the bent region, and the insulation layer is adhered to the positive electrode plate or the negative electrode plate through the adhesive layer. in a thickness direction of the insulation layer, a projected area of the adhesive layer is smaller than a projected area of the insulation layer.
Inventor(s): Hu XU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haizu JIN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Fenggang ZHAO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shaojun NIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yuqun ZENG of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M10/42, H01M4/02, H01M4/13, H01M10/0585, H01M50/30, H01M50/586, H01M50/59
CPC Code(s): H01M10/4235
Abstract: an electrode assembly, a battery cell, a battery, and an electrical device are provided. the electrode assembly includes a first electrode plate and a second electrode plate laminated in a first direction, with opposite polarities. the first electrode plate includes a first current collector and a first active material layer disposed on at least one side of the first current collector in the first direction. one end of the first current collector is provided with a first tab in a second direction. the first electrode plate further includes a first insulating layer disposed at an edge of at least one side of the first active material layer in a third direction. the first insulating layer and the first active material layer are disposed on the same side of the first current collector. any two of the first direction, the second direction, and the third direction are perpendicular to each other.
Inventor(s): Wenlong BAI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yiyang WU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xingyan YOU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Baozhen WU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yuwen WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wei ZHENG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yonghuang YE of Ningde (CN) for contemporary amperex technology (hong kong) limited, Kai WU of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M10/42, H01M4/525, H01M4/58, H01M4/62, H01M10/0525
CPC Code(s): H01M10/4235
Abstract: the present application provides a positive electrode material composition, a positive electrode, a secondary battery and an electrical apparatus. the positive electrode material composition of the present application comprises a positive electrode active material and a dielectric material particle; wherein the dielectric material particle has an a value of 50-200, wherein a=[�/(c/a)]; � is the relative dielectric constant of the dielectric material particle; c is the c-axis length of the unit cell of the dielectric material particle; and a is the a-axis length of the unit cell of the dielectric material particle.
Inventor(s): Yu SU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Chao LIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haihua HUANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xubin CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jianzhi XIE of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M10/6556, H01M10/613, H01M10/617, H01M50/291
CPC Code(s): H01M10/6556
Abstract: a battery box, a battery and an electrical device. the battery box includes side plates and a bottom plate. the side plates are disposed on the bottom plate around a periphery of the bottom plate. the bottom plate is provided with a cavity. the cavity is internally provided with partition pieces. the partition pieces partition the cavity into at least two flow channels introduced along a first introducing direction. since the flow channels have the same introducing direction, heat exchange working media in the cavity divided by the flow channels can separately and simultaneously exchange heat with battery cells arranged in a direction intersecting the first introducing direction, and the heat exchange of the battery cells is uniform, which can reduce the temperature difference between the battery cells.
Inventor(s): Chao LONG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenhui ZHANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xingdi CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M10/658, B60H1/00, B60K1/04, B60L50/60, H01M10/625, H01M10/6567, H01M10/663, H01M50/209, H01M50/249, H01M50/271, H01M50/55
CPC Code(s): H01M10/658
Abstract: an electric apparatus includes an apparatus body having a mounting space and a battery pack mounted in the mounting space. the battery pack includes a box and a battery cell. the box has an accommodating cavity for accommodating the battery cell and includes a bearing member for defining the accommodating cavity. one side of the bearing member is configured to be connected to the battery cell, and the other side of the bearing member back away from the side faces the inside of the mounting space and a thermal insulation layer is provided between the other side and an inner wall of the mounting space. the bearing member on the box for connecting the battery cell is disposed facing a floor, such that the bearing member is no longer exposed to the outside, which prevents heat of the battery pack from dissipating directly to the outside through the bearing member.
Inventor(s): Liqin WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/103, H01M50/15, H01M50/209, H01M50/249
CPC Code(s): H01M50/103
Abstract: a battery related shell, a battery cell, a battery, and an electrical device are disclosed. the shell includes a frame and two end caps. the frame includes two openings opposite to each other along a first direction. the two end caps are connected to two ends of the frame respectively along the first direction. the two end caps respectively seal the two openings. the two end caps and the frame together define an accommodation space configured to accommodate an electrode assembly. the two openings created on the frame make it convenient to put the electrode assembly into the shell, thereby reducing the risk that the electrode assembly is damaged by excessive friction between the electrode assembly and an inner side of the frame during encasing of the electrode assembly, and improving the yield rate of encasing of the electrode assembly.
Inventor(s): Wenlin ZHOU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Liangfan XU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Qianqian ZHANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/147, H01M50/342, H01M50/533
CPC Code(s): H01M50/147
Abstract: a battery cell includes a casing, an electrode assembly, an end cover assembly and a support member. the casing has an opening. the electrode assembly has a main body and tabs protruding from the main body. the electrode assembly is accommodated in the casing. the end cover assembly covers the opening. the support member is located in the casing, and the tabs are bent around the support member. in the above, the support member is connected to the end cover assembly, to fix the support member. the battery cell is provided therein with the support member, and the tabs are bent around the support member. in addition, the support member is connected to the end cover assembly.
Inventor(s): Pengcheng YAO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Danyue XUE of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/209, H01M10/6555
CPC Code(s): H01M50/209
Abstract: a housing of a battery includes a support plate and a plurality of side beams. the side beams are connected to the support plate and enclose with the support plate to form an accommodating space. at least one of the side beams includes a beam body and a buffer portion. the buffer portion is provided to protrude from the beam body toward the accommodating space and extend in a length direction of the beam body. the buffer portion is located on a side of the beam body away from the support plate.
Inventor(s): Dan WU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Tao ZHUANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yue DING of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/24, H01M50/262, H01M50/271, H01M50/586
CPC Code(s): H01M50/24
Abstract: this application is applicable to the field of batteries, and provides a cover assembly, a battery and an electrical device. the cover assembly includes an end cap and an insulator. the end cap includes a cap body and a bulge portion protrusively disposed on the cap body. the bulge portion and the cap body are integrally molded. the insulator is internally provided with a mounting hole, and the bulge portion is clamped in the mounting hole to connect the insulator to the end cap. the cover assembly provided by this application has good waterproof performance, and is convenient to assemble and relatively low in cost.
Inventor(s): Linshan Wu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Junrong Li of Ningde (CN) for contemporary amperex technology (hong kong) limited, Weilong Lin of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/242, H01M10/613, H01M10/615, H01M10/6557, H01M50/291, H01M50/293
CPC Code(s): H01M50/242
Abstract: embodiments of this application provide a thermal management component, a battery, and an electric apparatus. the thermal management component includes two heat exchange surfaces opposite to each other in a first direction; and multiple separating plates are provided between the two heat exchange surfaces, and the multiple separating plates are spaced apart, so as to form a flow channel. the separating plate is of a bent structure, such that the separating plate is retractable and deformable in the first direction. the separating plates of the thermal management component in the above embodiments can absorb external compressive forces, reducing the probability of structural failure of the thermal management component.
Inventor(s): Kaihuan YANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Qi Cheng of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenlin Zhou of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiang Mei of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jian Zhou of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun Li of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/342, H01M50/148, H01M50/169
CPC Code(s): H01M50/3425
Abstract: this application discloses an end cover assembly, a battery cell, a battery, and an electric apparatus. the end cover assembly includes a cover body, a first rib, and a second rib, where the cover body is provided with a pressure relief mechanism, the first rib and the second rib are both disposed on the cover body, the first rib is disposed around the pressure relief mechanism, and the second rib is disposed on a side of the first rib facing away from the pressure relief mechanism. with the foregoing technical solution used, use safety of the battery cell is effectively improved.
Inventor(s): Huasheng SU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xianglong DU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Chengyou XING of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haizu JIN of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/342, H01M50/126
CPC Code(s): H01M50/3425
Abstract: a battery cell includes a housing and an insulator. the housing is provided with a pressure relief area, and the pressure relief area is configured to release pressure inside the battery cell. the insulator wraps around the housing and covers the pressure relief area. the insulator is provided with a weak part, and the weak part is configured to be broken when the pressure relief area opens.
Inventor(s): Jianhuang KE of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaobo CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yao LI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/342, H01M50/358, H01M50/474
CPC Code(s): H01M50/3425
Abstract: a battery cell includes: a housing having a first wall and an inner cavity; an electrode assembly arranged in the inner cavity; electrode terminals arranged on the housing and electrically connected to the electrode assembly; and a first pressure relief component arranged on the first wall, wherein the first pressure relief component has a first weakened portion, and the first weakened portion is a reduced thickness portion and is configured to be opened when a first preset condition is met within the housing.
Inventor(s): Ou QIAN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yao LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaobo CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Piaopiao YANG of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/367, H01M10/613, H01M10/6569, H01M50/209, H01M50/30, H01M50/342
CPC Code(s): H01M50/367
Abstract: a battery comprises: a box body assembly that is internally provided with a first cavity and a venting channel which are in communication with each other, the box body assembly being provided with a first pressure relief component; a battery cell provided in the box body assembly and located outside the first cavity, the battery cell having a second pressure relief component configured to release discharges of the battery cell into the venting channel; and a first blocking component provided in the first cavity and configured to prolong a path for the discharges to reach the first pressure relief component from the first cavity.
Inventor(s): Zhisheng CHAI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Zhi LIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Qingkui CHI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haizu JIN of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/463
CPC Code(s): H01M50/463
Abstract: a separator includes a base film and a coating disposed on a surface of at least one side of the base film. the coating includes a central region disposed in a length direction of the base film with a center line of the base film in a width direction as a center line, and an edge region disposed outside the central region. the central region includes a region a having a coating thickness of d, and the edge region includes a first region having a thickness of d, where d<d
Inventor(s): Wenlin ZHOU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Liangfan XU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Qianqian ZHANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/474, B60L50/64, H01M50/103, H01M50/342, H01M50/477, H01M50/55, H01M50/627
CPC Code(s): H01M50/474
Abstract: a includes a housing, an electrode assembly, and a first insulating member. the housing includes a first wall and a second wall disposed opposite each other in a first direction, where the first wall is provided with an electrode terminal. the electrode assembly is accommodated in the housing, where the electrode assembly is electrically connected to the electrode terminal, and the first wall supports the electrode assembly. the first insulating member abuts against an end of the electrode assembly facing the second wall. in the first direction, a gap is formed between a surface of the first insulating member facing away from the electrode assembly and an inner surface of the second wall.
Inventor(s): Ting ZHENG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenlin ZHOU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Lulu BAI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Runchen CAI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/474, B60L50/64, H01M50/103, H01M50/15, H01M50/55, H01M50/564
CPC Code(s): H01M50/474
Abstract: a battery cell includes a shell, an electrode assembly, an end cover assembly, a support member, and a terminal assembly; the shell has an opening; the electrode assembly is accommodated in the shell; the end cover assembly is closed to the opening; the support member is disposed between the end cover assembly and a main body of the electrode assembly; at least a portion of the terminal assembly extends between the end cover assembly and the support member, and the terminal assembly is conductively connected to a tab of the electrode assembly; a first accommodating portion is disposed on a first surface, facing the end cover assembly, of the support member, and the first accommodating portion is configured to accommodate at least a portion of the terminal assembly.
Inventor(s): Congsu NIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Ningsheng WU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaowei LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Zhenxing PEI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/507, H01M50/249, H01M50/516
CPC Code(s): H01M50/507
Abstract: this application provides a battery and an electrical device, and relates to the field of batteries. the battery includes a plurality of battery cells and a busbar component. the busbar component includes a buffer portion and two connecting portions. the buffer portion is connected between the two connecting portions along a first direction. the two connecting portions are connected to two of the battery cells respectively to implement electrical connection between the two battery cells. along a second direction, the buffer portion protrudes from the connecting portions toward the battery cells. the second direction is perpendicular to the first direction. the busbar component of the battery includes a buffer portion.
Inventor(s): Yanyu LIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yulian ZHENG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shoujun HUANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xinxiang CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Long CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Denghua LIN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/531, H01M50/15
CPC Code(s): H01M50/531
Abstract: this application provides a battery cell, a battery, and an electrical device. a battery cell, including a top cover assembly and an adapter component, where the top cover assembly includes a mounting hole, and the mounting hole penetrates the top cover assembly along a first direction. the adapter component includes a base portion and a connecting portion that protrudes beyond the base portion. the connecting portion is disposed in the mounting hole and spaced apart from the mounting hole. the top cover assembly includes the mounting hole that penetrates the top cover assembly along the first direction, and the mounting hole is configured to accommodate the adapter component. the adapter component is configured to connect an electrode assembly to an electrode terminal in the battery cell. the adapter component includes the base portion and the connecting portion that protrudes beyond the base portion.
Inventor(s): Wenlin ZHOU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Ting ZHENG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/533, H01M50/15, H01M50/586, H01M50/59
CPC Code(s): H01M50/533
Abstract: a battery cell includes an electrode assembly, a support member, and a conductive member. the electrode assembly has a main body part and a tab, and along first direction, the tab protrudes from one end of main body part. the tab is bent around the support member. in second direction, the tab includes a bent part located on one side of support member, and second direction is perpendicular to first direction. the conductive member is connected to the tab. the tab also includes a fixed area connected to the conductive member. in first direction, the fixed area is located on the side of support member facing away from the main body part. along second direction, the support member has a first end face facing the bent part, and the first end face is located between the fixed area and the bent part
Inventor(s): Liangfan XU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenlin ZHOU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Qianqian ZHANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xing LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shaojun NIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haizu JIN of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/533, H01M50/55
CPC Code(s): H01M50/533
Abstract: a battery cell includes a housing, at least one electrode assembly and a support member. the housing has a wall part. the electrode assembly has a main body and at least one tab. in the first direction, the tab protrudes from an end of the main body facing the wall part. the tab includes a root part and a tab part, and the root part connects the main body and the tab part. the support member is provided at one side of the main body facing the wall part. the support member includes at least one wing part, and the tab part is bent around the wing part. the wing part is provided with an accommodation part, and the accommodation part is used to accommodate a portion of the root part.
Inventor(s): Haibo KE of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yanlin CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Kai GAO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaokang LU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haizu JIN of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/533, B60L50/64, H01M50/15, H01M50/474, H01M50/55
CPC Code(s): H01M50/533
Abstract: a battery cell includes an electrode assembly, a first electrode terminal, and a second electrode terminal. the electrode assembly includes a body portion, where a first tab, a second tab, and an auxiliary tab are led out of the body portion. the first tab and the auxiliary tab are both electrically connected to the first electrode terminal, and the second tab is electrically connected to the second electrode terminal. the first tab and the auxiliary tab are both electrically connected to the first electrode terminal to increase a current flow area of the tab electrically connected to the first electrode terminal.
Inventor(s): Yifan XUE of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaomei LIU of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/547, H01M50/209, H01M50/531, H01M50/553
CPC Code(s): H01M50/547
Abstract: a battery cell battery cell includes a casing, an electrode assembly, and an electrode terminal. the casing includes a peripheral wall and an end wall, wherein the peripheral wall is arranged around the end wall; along an extension direction of the peripheral wall, at least one end of the peripheral wall is provided with the end wall. the electrode assembly is housed within the casing. the electrode terminal is arranged on the peripheral wall, wherein the electrode terminal is electrically connected to the electrode assembly.
Inventor(s): Shengwang CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Zhijun GUO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/586, H01M50/107, H01M50/179, H01M50/528, H01M50/531
CPC Code(s): H01M50/586
Abstract: a battery cell includes a shell, an electrode terminal, an electrode assembly, a current collector component, and an insulating member. the shell has a wall portion, and electrode terminal is provided on the wall portion. the electrode assembly is located inside the shell, and has a first tab. the current collector component is connected to the first tab and the electrode terminal. the insulating member is installed between the current collector component and the wall portion, and is used to insulate and isolate the current collector component and the wall portion. along the thickness direction of the wall portion, the insulating member has a first surface facing and closest to the current collector component, and the projection of the outer edge of the current collector component is located within the first surface.
Inventor(s): Hualei BAI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/593, H01M50/147
CPC Code(s): H01M50/593
Abstract: provided are a battery cell, a battery, and an electrical device. the battery cell includes a shell, provided with an opening; an end cap covering the opening; an electrode assembly, arranged within the shell and provided with a first end surface facing the end cap; a first insulating component, provided between the electrode assembly and the end cap; a second insulating component, wrapping the electrode assembly, wherein an end of the second insulating component is connected to an outer peripheral surface of the first insulating component to form a connection portion; and a restraining component, at least partially arranged between the first end surface and the first insulating component, wherein the restraining component is configured to limit an insertion of a separator of the electrode assembly between the first insulating component and the second insulating component at the connection portion.
Inventor(s): Wenlin ZHOU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenzhong LIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jian ZHOU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/636, H01M50/531
CPC Code(s): H01M50/636
Abstract: a battery cell includes a shell having an opening, an electrode assembly accommodated in the shell, an end cover assembly used for closing the opening and provided with a liquid injection hole, and a blocking member provided separated from the end cover assembly and located on a side, facing the electrode assembly, of the end cover assembly. the blocking member is configured to at least partially block the liquid injection hole and allow a fluid medium to flow through the blocking member to an interior of the shell. the battery cell has a blocking member that blocks the liquid injection hole, and the fluid medium is at least partially blocked by the blocking member after passing through the liquid injection hole, so that the fluid medium enters the interior of the shell after passing through the blocking member.
Inventor(s): Zhanliang LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haili LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shan HUANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yu YAN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xianxi PAN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Zhimin DAN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiangtao LI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H02J7/00, B60L53/66, B60L55/00
CPC Code(s): H02J7/00045
Abstract: a device communication method includes: establishing, by an electric device, a communication connection with a charging device; and performing, by the electric device, a function negotiation with the charging device through the communication connection. a service function of the function negotiation includes a charging and discharging function and/or a discharging function.
Inventor(s): Meijuan Zhou of Ningde (CN) for contemporary amperex technology (hong kong) limited, Lei Peng of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenqian Wang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shichang Zhang of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H02J7/00, H01M10/42, H01M10/44, H01M10/48
CPC Code(s): H02J7/0016
Abstract: this application relates to a cell balancing method and apparatus, an electronic device, and a storage medium. the method includes: performing charge and discharge operations on battery cells in an energy storage system, and determining a first battery cell that first reaches a discharge cut-off voltage during the discharge operation, and a second battery cell that first reaches a charge cut-off voltage during the charge operation; and performing a balancing process on the battery cells in the energy storage system in a case that the first battery cell is different from the second battery cell. this application can fully utilize the state of charge of a lowest-capacity battery cell and a total capacity of the energy storage system.
Inventor(s): Xinwei Chen of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yu Yan of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiangtao Li of Ningde (CN) for contemporary amperex technology (hong kong) limited, Zhimin Dan of Ningde (CN) for contemporary amperex technology (hong kong) limited, Tianyi Huang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Weiping Sun of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H02J7/00
CPC Code(s): H02J7/007
Abstract: the present application provides a multi-controller system and a coding method thereof, an electrical apparatus, a control device, a computer-readable storage medium, and a computer program product. the multi-controller system includes a master controller, a first slave controller and a second slave controller, the master controller being connected to the first slave controller through a first trigger signal line, and the first slave controller and the second slave controller being connected through a second trigger signal line; the master controller is configured to: send a first trigger signal to the first slave controller through the first trigger signal line, and code the first slave controller; the first slave controller is configured to: send a second trigger signal to the second slave controller through the second trigger signal line in response to receiving the first trigger signal, so that the second slave controller is able to be coded.
Inventor(s): Kai WU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xinwei CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H02J7/00, H01M10/42, H01M10/44, H01M50/512
CPC Code(s): H02J7/00712
Abstract: a regulating system includes a first power converter and a control unit. multiple battery clusters of the battery system share the first power converter, and the control unit is connected to the first power converter and each of the battery cluster in communication. the control unit disconnects the parallel connection between the target battery cluster and other battery clusters, controls the connection between the target battery cluster and the first power converter to conduct, and sends a target current command to the first power converter to regulate the target battery cluster.
Inventor(s): Weijie CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Weiqiang LI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H02J7/00, B60L53/16
CPC Code(s): H02J7/00302
Abstract: this application discloses a bms sleep wake-up circuit and method, a bms, and an electric device. the bms sleep wake-up circuit is provided with an enabling circuit. when a charging device is plugged in, the wake-up chip can be enabled through a first enabling signal to activate to wake up a bms, and a control circuit outputs a self-locking signal, so that the wake-up chip keeps waking up the bms. additionally, after being activated, a mode in which the wake-up chip is enabled to activate is changed to a mode in which the wake-up chip is enabled through a second enabling signal to activate to wake up the bms, so that when the charging device remains plugged in, after the self-locking signal is canceled, the wake-up chip is turned off, allowing the bms to enter a sleeping state.
Contemporary Amperex Technology (Hong Kong) Limited patent applications on March 6th, 2025
- Contemporary Amperex Technology (Hong Kong) Limited
- B60L50/60
- B60L53/62
- B60L58/27
- CPC B60L50/66
- Contemporary amperex technology (hong kong) limited
- B60L53/30
- B60L58/12
- CPC B60L53/305
- B65H9/20
- G06T7/70
- H01M10/04
- CPC B65H9/20
- C07F5/04
- H01M4/131
- H01M4/62
- H01M10/0567
- H01M10/42
- H01M50/411
- CPC C07F5/04
- G01R31/3842
- G01R31/389
- H01M10/44
- H01M10/48
- H02J7/34
- CPC G01R31/3842
- H01H47/18
- H03K17/284
- H03K17/687
- CPC H01H47/18
- H01M4/13
- H01M4/02
- H01M4/38
- H01M4/587
- CPC H01M4/13
- H01M10/0587
- H01M50/46
- H01M4/133
- H01M10/052
- H01M10/0585
- CPC H01M4/131
- H01M4/1391
- H01M4/04
- H01M10/0525
- CPC H01M4/1391
- H01M4/36
- CPC H01M4/366
- C01B25/42
- C01B25/45
- H01M4/505
- H01M4/58
- CPC H01M4/628
- B60L50/64
- C01G53/00
- H01M4/525
- H01M10/0569
- CPC H01M10/0567
- C07C43/12
- H01M10/054
- H01M10/0568
- H01M4/583
- CPC H01M10/0569
- CPC H01M10/0587
- H01M50/249
- H01M50/538
- H01M50/30
- H01M50/586
- H01M50/59
- CPC H01M10/4235
- H01M10/6556
- H01M10/613
- H01M10/617
- H01M50/291
- CPC H01M10/6556
- H01M10/658
- B60H1/00
- B60K1/04
- H01M10/625
- H01M10/6567
- H01M10/663
- H01M50/209
- H01M50/271
- H01M50/55
- CPC H01M10/658
- H01M50/103
- H01M50/15
- CPC H01M50/103
- H01M50/147
- H01M50/342
- H01M50/533
- CPC H01M50/147
- H01M10/6555
- CPC H01M50/209
- H01M50/24
- H01M50/262
- CPC H01M50/24
- H01M50/242
- H01M10/615
- H01M10/6557
- H01M50/293
- CPC H01M50/242
- H01M50/148
- H01M50/169
- CPC H01M50/3425
- H01M50/126
- H01M50/358
- H01M50/474
- H01M50/367
- H01M10/6569
- CPC H01M50/367
- H01M50/463
- CPC H01M50/463
- H01M50/477
- H01M50/627
- CPC H01M50/474
- H01M50/564
- H01M50/507
- H01M50/516
- CPC H01M50/507
- H01M50/531
- CPC H01M50/531
- CPC H01M50/533
- H01M50/547
- H01M50/553
- CPC H01M50/547
- H01M50/107
- H01M50/179
- H01M50/528
- CPC H01M50/586
- H01M50/593
- CPC H01M50/593
- H01M50/636
- CPC H01M50/636
- H02J7/00
- B60L53/66
- B60L55/00
- CPC H02J7/00045
- CPC H02J7/0016
- CPC H02J7/007
- H01M50/512
- CPC H02J7/00712
- B60L53/16
- CPC H02J7/00302