CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on September 26th, 2024
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED on September 26th, 2024
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED: 29 patent applications
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED has applied for patents in the areas of H01M10/04 (7), H01M4/36 (5), H01M4/02 (5), H01M10/42 (5), H01M50/103 (4) H01M4/366 (3), H01M50/586 (2), H01M10/4235 (2), B08B5/026 (1), H01M50/244 (1)
With keywords such as: electrode, battery, plate, portion, cell, member, assembly, layer, body, and charging in patent application abstracts.
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor(s): Ruhu LIAO of Ningde (CN) for contemporary amperex technology co., limited, Quanshui CAI of Ningde (CN) for contemporary amperex technology co., limited, Gang ZENG of Ningde (CN) for contemporary amperex technology co., limited, Jingjing WEI of Ningde (CN) for contemporary amperex technology co., limited, Ya DAI of Ningde (CN) for contemporary amperex technology co., limited, Jianlei WANG of Ningde (CN) for contemporary amperex technology co., limited, Guangsheng CHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): B08B5/02
CPC Code(s): B08B5/026
Abstract: an air-blowing roller includes: a roller body, where a plurality of air outlets are disposed on an outer peripheral surface of the roller body, the plurality of air outlets are arranged along an axial direction of the roller body, an air exhaust direction of the air outlets is tangent to the outer peripheral surface of the roller body, and air exhaust directions of the plurality of air outlets are consistent. a dust removal apparatus includes a conveyance mechanism, an air-blowing roller assembly, and an air intake roller assembly.
Inventor(s): Xiaowei Zhang of Ningde (CN) for contemporary amperex technology co., limited, Wei Zhang of Ningde (CN) for contemporary amperex technology co., limited, Qinglin Bai of Ningde (CN) for contemporary amperex technology co., limited, Yuqian Wen of Ningde (CN) for contemporary amperex technology co., limited, Minghao Tang of Ningde (CN) for contemporary amperex technology co., limited, Shengwu Zhang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): B65H19/22, H01M10/04
CPC Code(s): B65H19/2292
Abstract: provided are a winding mandrel, a winding machine, and a battery cell winding method. the winding mandrel includes a first connecting member and a second connecting member configured to be combined with the first connecting member. the second connecting member and the first connecting member are arranged coaxially, and length of the combined first connecting member and second connecting member is greater than length of the first connecting member or the second connecting member. changing a structure of a winding mandrel improves stiffness of the winding mandrel and improves the efficiency and quality of a winding operation.
20240318911. DRYING SYSTEM_simplified_abstract_(contemporary amperex technology co., limited)
Inventor(s): Haohao YAN of Ningde (CN) for contemporary amperex technology co., limited, Jiancheng CAI of Ningde (CN) for contemporary amperex technology co., limited, Ganyu XU of Ningde (CN) for contemporary amperex technology co., limited, Haohua YU of Ningde (CN) for contemporary amperex technology co., limited, Guangsheng CHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): F26B21/04, F26B3/12, F26B25/14
CPC Code(s): F26B21/04
Abstract: a drying system includes a drying chamber, a collecting apparatus, and an air feed apparatus. the drying chamber is configured to accommodate a material to be dried. the collecting apparatus is connected to a material outlet of the drying chamber. the air feed apparatus is connected to an air inlet of the drying chamber and is configured to feed air to the drying chamber. the air feed apparatus includes a first condensing mechanism, a first heating mechanism, and a first water content sensor, where along an air feed direction of the air feed apparatus, the first condensing mechanism is located upstream of the first heating mechanism; the first condensing mechanism is configured to reduce water content of gas entering the drying chamber; and the first heating mechanism is configured to heat the gas entering the drying chamber.
Inventor(s): Xiaoyun Fan of Ningde (CN) for contemporary amperex technology co., limited, Ruixiang Hu of Ningde (CN) for contemporary amperex technology co., limited, Yuanqiao Fu of Ningde (CN) for contemporary amperex technology co., limited, Wu CHEN of Ningde (CN) for contemporary amperex technology co., limited, Chongxi Wang of Ningde (CN) for contemporary amperex technology co., limited, Jiebin Huang of Ningde (CN) for contemporary amperex technology co., limited, Jingyu Hu of Ningde (CN) for contemporary amperex technology co., limited, Yanming Wang of Ningde (CN) for contemporary amperex technology co., limited, Yuan Wang of Ningde (CN) for contemporary amperex technology co., limited, Guotao Xie of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): G01N21/89, G01N21/95
CPC Code(s): G01N21/89
Abstract: this application provides a cell detection method, device and system as well as a processor and a controller. the cell detection method may include: obtaining target detection data of a target cell; and determining a detection result of the target cell based on the target detection data and standard data. the cell detection method improves the detection efficiency and detection effect of the cells.
Inventor(s): Xiyang ZUO of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): G01R35/00, B60L58/12, B60L58/16, B60L58/20, G01R31/392, H01M10/42, H01M10/44, H01M10/48, H02J7/00, H02J7/34
CPC Code(s): G01R35/005
Abstract: a state calibration method and apparatus for a low-voltage battery. the low-voltage battery includes at least one cell. the method includes controlling the low-voltage battery to discharge at a first discharge rate until voltage of at least one cell in the low-voltage battery is not greater than a first voltage threshold; controlling the low-voltage battery to charge at a first charge rate until voltage of at least one cell in the low-voltage battery is not less than a second voltage threshold; obtaining a quantity of charge charged into the low-voltage battery; and obtaining a state of health value of each cell based on the quantity of charge charged into the low-voltage battery and calibrating a state of health value of the low-voltage battery based on the state of health value of each cell.
Inventor(s): Canbin Chen of Ningde (CN) for contemporary amperex technology co., limited, Jun Hu of Ningde (CN) for contemporary amperex technology co., limited, Shiping Feng of Ningde (CN) for contemporary amperex technology co., limited, Qiuhui Zheng of Ningde (CN) for contemporary amperex technology co., limited, Wen Chang of Ningde (CN) for contemporary amperex technology co., limited, Qing Wu of Ningde (CN) for contemporary amperex technology co., limited, Haoran Lu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): G06T7/73, G06T1/00, H01M10/04
CPC Code(s): G06T7/74
Abstract: the present application discloses a method and device for controlling misalignment of electrode plates, electrode plates, an electrochemical cell, and a battery. the method includes: acquiring cut hole position information of an anode electrode plate, and calculating a first width deviation value corresponding to the anode electrode plate according to the cut hole position information and a calibration width of the anode electrode plate; acquiring tab position information of a cathode electrode plate, and calculating a second width deviation value corresponding to the cathode electrode plate according to the tab position information and a calibration width of the cathode electrode plate; and when the anode electrode plate and the cathode electrode plate are stacked, adjusting a feed position of the cathode electrode plate according to the first width deviation value, and compensating for a cut width of the cathode electrode plate according to the second width deviation value.
Inventor(s): Jingdong Zhang of Ningde (CN) for contemporary amperex technology co., limited, Zhihui Zhen of Ningde (CN) for contemporary amperex technology co., limited, Qiangjun Wang of Ningde (CN) for contemporary amperex technology co., limited, Weigang Chen of Ningde (CN) for contemporary amperex technology co., limited, Bingyang Zhan of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/04, G01N9/36
CPC Code(s): H01M4/0404
Abstract: this application provides an electrode plate mass detection method, coating method, apparatus, device, system, and medium, pertaining to the field of battery technologies. the method includes: controlling a surface density gauge to create radiation surfaces of different shapes on an electrode plate; obtaining surface density information corresponding to the radiation surfaces; and determining mass information of the electrode plate based on the surface density information.
Inventor(s): Xingyan YOU of Ningde (CN) for contemporary amperex technology co., limited, Yiyang WU of Ningde (CN) for contemporary amperex technology co., limited, Wenlong BAI of Ningde (CN) for contemporary amperex technology co., limited, Baozhen WU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/36, H01M4/02, H01M4/133, H01M4/587, H01M4/62, H01M10/42
CPC Code(s): H01M4/366
Abstract: the present application provides a negative electrode plate, a secondary battery, a battery module, a battery pack, and an electrical device. the negative electrode plate includes a negative electrode current collector and a first negative electrode film, a second negative electrode film, and a functional coating sequentially disposed on at least one surface of the negative electrode current collector, wherein the functional coating layer comprises a ferroelectric material; the second negative electrode film comprises a second negative electrode active material, and the second negative electrode active material comprises hard carbon; the first negative electrode film comprises a first negative electrode active material, and the first negative electrode active material comprises graphite. the negative electrode plate provided by the present application can enable the secondary battery to have high charging rate and long cycle life on the premise of high energy density.
Inventor(s): Peipei Chen of Ningde (CN) for contemporary amperex technology co., limited, Limei Zhang of Ningde (CN) for contemporary amperex technology co., limited, Yao Jiang of Ningde (CN) for contemporary amperex technology co., limited, Jiao Liu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/36, H01M4/02, H01M4/505, H01M4/58, H01M4/583, H01M10/0567
CPC Code(s): H01M4/366
Abstract: provided are a secondary battery, a battery module, a battery pack, and an electrical apparatus. the secondary battery comprises a positive electrode plate and a non-aqueous electrolyte solution, where the positive electrode plate comprises a positive electrode active material having a core-shell structure and comprising an inner core and a shell cladding the inner core, where the inner core has a chemical formula of limnapro, a first cladding layer comprises crystalline pyrophosphates limpoand/or m(po), a second cladding layer comprises a crystalline phosphate xpo, and a third cladding layer is carbon; and the non-aqueous electrolyte solution comprises a first additive comprising one or more compounds in the group consisting of a compound represented by formula 1, a compound represented by formula 2, and a compound represented by formula 3, thereby improving rate performance, cycling performance, and high-temperature stability of a lithium manganese phosphate secondary battery.
Inventor(s): Peipei Chen of Ningde (CN) for contemporary amperex technology co., limited, Limei Zhang of Ningde (CN) for contemporary amperex technology co., limited, Yao Jiang of Ningde (CN) for contemporary amperex technology co., limited, Jiao Liu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/36, H01M4/02, H01M4/505, H01M4/58, H01M4/583, H01M10/0567
CPC Code(s): H01M4/366
Abstract:
Inventor(s): Limei Zhang of Ningde (CN) for contemporary amperex technology co., limited, Peipei Chen of Ningde (CN) for contemporary amperex technology co., limited, Yao Jiang of Ningde (CN) for contemporary amperex technology co., limited, Jiao Liu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/36, H01M4/02, H01M4/58, H01M4/587, H01M10/0525, H01M10/0567, H01M10/0569, H01M10/42
CPC Code(s): H01M4/366
Abstract: provided are a secondary battery, a battery module, a battery pack and an electrical apparatus. the secondary battery includes a positive electrode plate and a non-aqueous electrolyte solution. a positive electrode active material includes an inner core and a shell cladding the inner core. the inner core includes limnapro. the shell includes a first cladding layer cladding the inner core and a second cladding layer cladding the first cladding layer. the first cladding layer includes pyrophosphate mpoand phosphate xpo. the second cladding layer includes carbon. the non-aqueous electrolyte solution includes a first additive. the first additive includes one or more compounds in a group consisting of a compound shown in formula 1, a compound shown in formula 2 and a compound shown in formula 3. the rate performance, cycling performance and high temperature stability of a lithium manganese phosphate secondary battery are increased.
Inventor(s): Limei Zhang of Ningde (CN) for contemporary amperex technology co., limited, Peipei Chen of Ningde (CN) for contemporary amperex technology co., limited, Yao Jiang of Ningde (CN) for contemporary amperex technology co., limited, Jiao Liu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/36, H01M4/02, H01M4/58, H01M4/587, H01M10/0525, H01M10/0567, H01M10/0569, H01M10/42
CPC Code(s): H01M4/366
Abstract:
Inventor(s): Xiang ZHOU of Ningde (CN) for contemporary amperex technology co., limited, Yao Jiang of Ningde (CN) for contemporary amperex technology co., limited, Jiang Liu of Ningde (CN) for contemporary amperex technology co., limited, Baiqing Li of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/58, H01M4/02, H01M4/36, H01M4/505, H01M4/525, H01M4/62, H01M4/64, H01M10/0525
CPC Code(s): H01M4/5825
Abstract: a positive electrode sheet, a secondary battery, a battery module, a battery pack and an electrical apparatus are described. the positive electrode sheet includes a positive electrode current collector and a positive electrode film layer arranged on at least one surface of the positive electrode current collector and having a single-layer or multi-layer structure. when the positive electrode film layer is of the single-layer structure, at least one positive electrode film layer comprises both a first positive electrode active material and a second positive electrode active material with a chemical formula of liamnrpcod; and/or, when the positive electrode film layer is of the multi-layer structure, at least one layer of the at least one positive electrode film layer includes both a first and second positive electrode active material. the secondary battery made of the positive electrode sheet has high energy density and high battery cell rate performance.
Inventor(s): Guoda HUANG of Ningde (CN) for contemporary amperex technology co., limited, Chao XIE of Ningde (CN) for contemporary amperex technology co., limited, Yiruo WANG of Ningde (CN) for contemporary amperex technology co., limited, Shengsheng HU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/0587, A62C3/06, B65H26/00
CPC Code(s): H01M10/0587
Abstract: a winding and unwinding system for electrode plate includes a winding and unwinding box, a cooling unit, and a control unit. the winding and unwinding box includes a box body and a box door jointly defining a box space, an electrode plate discharge port provided on a side of the box body, a rotating shaft provided in the middle of the box space, an electrode plate cylinder connected to and driven by the rotating shaft, a first temperature sensor monitoring temperature of the electrode plate, a first gas detector monitoring oxygen concentration inside the winding and unwinding box, gas inlet and outlets located at bottom and top of the box body, respectively. the cooling unit communicates with the gas inlet. the control unit controls the cooling unit to regulate the temperature of the electrode plate and the oxygen concentration inside the winding and unwinding box.
Inventor(s): Hailin Zou of Ningde (CN) for contemporary amperex technology co., limited, Peipei Chen of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/42, C07D213/79, C07F9/50, H01M10/0525, H01M10/054, H01M50/417, H01M50/426, H01M50/434, H01M50/443, H01M50/446, H01M50/451, H01M50/457, H01M50/489
CPC Code(s): H01M10/4235
Abstract: the present application provides a secondary battery and an electrical apparatus containing the same. the secondary battery includes a positive electrode sheet, a negative electrode sheet, a separator disposed between the positive electrode sheet and the negative electrode sheet, and an electrolyte solution, wherein the separator includes a substrate and an inorganic and/or organic particle layer disposed on at least one surface of the substrate, and the separator further includes an acid scavenging additive located among the inorganic and/or organic particles of the inorganic and/or organic particle layer or located in a form of a separate layer between the substrate and the inorganic and/or organic particle layer, wherein the maximum dissolution amount of the acid scavenging additive in the electrolyte solution at 25� c. is less than 1% by mass relative to the mass of the electrolyte solution.
Inventor(s): Hu XU of Ningde (CN) for contemporary amperex technology co., limited, Haizu JIN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/42, H01M10/04
CPC Code(s): H01M10/4235
Abstract: an electrode assembly includes first and second electrode plates, and a separator provided between the first and second electrode plate. the first electrode plate, the separator, and the second electrode plate are wound in a winding direction. at least one first surface of the first and second electrode plates at a side closer to the separator includes first, second, and third surface regions divided along the winding direction. the second surface region has a plurality of second protrusion structures distributed discretely. the first surface region has no protrusion structure or a plurality of first protrusion structures distributed discretely. the third surface region has no protrusion structure or a plurality of third protrusion structures distributed discretely. a protrusion height of the plurality of first protrusion structures and/or a protrusion height of the plurality of third protrusion structures is less than a protrusion height of the plurality of second protrusion structures.
Inventor(s): Fei XI of Ningde (CN) for contemporary amperex technology co., limited, Daichun TANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/6551, H01M10/613, H01M50/233
CPC Code(s): H01M10/6551
Abstract: a battery shell includes a shell body internally provided with an accommodating cavity. at least one face of a shell body facing and/or facing away from the accommodating cavity is provided with heat dissipation recesses, so that the face has a non-penetrating “skylight” structure. the heat dissipation recesses extend in a thickness direction of the shell body without penetrating the shell body. a plurality of heat dissipation recesses are provided in the at least one face of the shell body. all the heat dissipation recesses are arranged at intervals.
Inventor(s): Hu XU of Ningde (CN) for contemporary amperex technology co., limited, Haizu JIN of Ningde (CN) for contemporary amperex technology co., limited, Fenggang ZHAO of Ningde (CN) for contemporary amperex technology co., limited, Siying HUANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/103, H01M10/04, H01M10/613, H01M10/625, H01M10/647, H01M10/6555, H01M10/6567, H01M50/131, H01M50/15, H01M50/209, H01M50/249, H01M50/474, H01M50/531, H01M50/548
CPC Code(s): H01M50/103
Abstract: a battery cell includes: a hexahedral housing, where the hexahedral housing has a first wall and a second wall oppositely arranged, the first wall is provided with a positive electrode terminal, and the second wall is provided with a negative electrode terminal; and a cylindrical electrode assembly arranged in the housing, where the axial direction of the cylindrical electrode assembly is perpendicular to the first wall or the second wall, a positive electrode tab of the cylindrical electrode assembly is arranged at a first end of the cylindrical electrode assembly and connected to the positive electrode terminal, and a negative electrode tab of the cylindrical electrode assembly is arranged at a second end of the cylindrical electrode assembly and connected to the negative electrode terminal.
Inventor(s): Wei CHEN of Ningde (CN) for contemporary amperex technology co., limited, Chuan LI of Ningde (CN) for contemporary amperex technology co., limited, Zhijun GUO of Ningde (CN) for contemporary amperex technology co., limited, Yuyong LEI of Ningde (CN) for contemporary amperex technology co., limited, Donglai ZHENG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/133, H01M50/169
CPC Code(s): H01M50/133
Abstract: a housing of a battery cell has an opening at an end in a first direction and includes a first side plate, a second side plate and a first connection plate. the first side plate and the second side plate are arranged in a circumferential direction of the opening, the first connection plate is connected between the first side plate and the second side plate, and at least a part of the first connection plate is arcuate. the first side plate includes a first plate portion, a second plate portion and a third plate portion, the second plate portion is connected between the first plate portion and the first connection plate, and the third plate portion is located at a side of the first plate portion close to the opening.
Inventor(s): Pengbo ZHAO of Fujian (CN) for contemporary amperex technology co., limited, Yong WANG of Fujian (CN) for contemporary amperex technology co., limited, Qing WANG of Fujian (CN) for contemporary amperex technology co., limited, Pengcheng YAO of Fujian (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/244, H01M50/236, H01M50/249, H01M50/258
CPC Code(s): H01M50/244
Abstract: a casing of a battery, a battery and an electricity-consuming apparatus are provided by the present application. the casing of the battery includes a first beam, a second beam and a connecting assembly. a surface of the first beam is provided with a groove. the second beam is arranged on a side of the first beam provided with the groove. the first beam and the second beam is configured to limit a space for accommodating a battery cell. the connecting assembly is configured to connect the first beam with the second beam. at least a portion of the connecting assembly is arranged inside the first beam and the second beam.
Inventor(s): Zhijie HUANG of Ningde (CN) for contemporary amperex technology co., limited, Huimin MIAO of Ningde (CN) for contemporary amperex technology co., limited, Xiaoyin YU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/262
CPC Code(s): H01M50/262
Abstract: a fastening structure, a battery box, and a battery are described the fastening structure is configured to fasten a first object and a second object, and the fastening structure includes: a first fastener fixed on the first object, where the first fastener has a first fastening portion; a second fastener detachably connected to the first fastener, where the second fastener has a second fastening portion and a fitting portion; and a locking member fixed on the first object or the second object, where when the second fastener is connected to the first fastener, the second fastening portion is fitted with the first fastening portion, and the second fastener operably rotates relative to the first fastener to drive the first object to move toward the second object; and the second fastener is configured to lock the fitting portion into the locking member in a rotation process.
Inventor(s): Haibo KE of Ningde (CN) for contemporary amperex technology co., limited, Quankun LI of Ningde (CN) for contemporary amperex technology co., limited, Kaihuan YANG of Ningde (CN) for contemporary amperex technology co., limited, Chengyou XING of Ningde (CN) for contemporary amperex technology co., limited, Xiang MEI of Ningde (CN) for contemporary amperex technology co., limited, Peng WANG of Ningde (CN) for contemporary amperex technology co., limited, Yuyong LEI of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/342
CPC Code(s): H01M50/342
Abstract: a battery cell, a battery, and an electrical apparatus are provided. the battery cell includes a housing, a pressure relief mechanism and a protective member. the housing is provided with a stepped hole communicating with the interior of the housing, the stepped hole includes a first hole section and a second hole section which are arranged in a first direction, and the first hole section is located on the side of the second hole section facing away from the inside of the housing. the pressure relief mechanism and the protective member are respectively arranged in the second hole section and the first hole section, and the protective member covers at least a portion of the pressure relief mechanism.
Inventor(s): Jianrui Yang of Ningde (CN) for contemporary amperex technology co., limited, Fenggang Zhao of Ningde (CN) for contemporary amperex technology co., limited, Lianguang Wang of Zaozhuang (CN) for contemporary amperex technology co., limited, Tianle Yang of Changsha (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/451, H01M50/406, H01M50/417
CPC Code(s): H01M50/451
Abstract: the present application provides a separator and a preparation method thereof, an electrochemical device, an electrochemical apparatus and a powered device. the separator comprises a base film, the base film has a tensile energy per unit thickness of ≥1.8 j/10 �m in both md direction and td direction, and an elongation of ≥150% in both md direction and td direction, and the thickness of the base film is 2 �m�40 �m.
Inventor(s): Wenlin ZHOU of Ningde (CN) for contemporary amperex technology co., limited, Liangfan XU of Ningde (CN) for contemporary amperex technology co., limited, Ningsheng WU of Ningde (CN) for contemporary amperex technology co., limited, Quankun LI of Ningde (CN) for contemporary amperex technology co., limited, Peng WANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/477, H01M10/04, H01M50/103, H01M50/15, H01M50/474
CPC Code(s): H01M50/477
Abstract: a battery cell includes a shell; an electrode assembly; and an end cap assembly, including an end cap, a first insulating member and a second insulating member, where the first insulating member is arranged between the electrode assembly and the end cap, so as to insulate and isolate the electrode assembly from the end cap, the second insulating member includes a main body portion and a first flanging portion, the first flanging portion is connected to one end of the main body portion, the main body portion is arranged between the shell and the electrode assembly, so as to insulate and isolate the shell from the electrode assembly, and the first flanging portion is connected to a side of the first insulating member facing the end cap or a side of the first insulating member away from the end cap.
Inventor(s): Yuyong LEI of Ningde (CN) for contemporary amperex technology co., limited, Zhijun GUO of Ningde (CN) for contemporary amperex technology co., limited, Peng WANG of Ningde (CN) for contemporary amperex technology co., limited, Rui YANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/586, H01M50/103, H01M50/54
CPC Code(s): H01M50/586
Abstract: a battery cell includes a housing, an electrode assembly, and an isolation member. the housing is provided with an electrode lead-out member. the electrode assembly is accommodated in the housing, where the electrode assembly includes a body portion and a tab led out of an end face of the body portion. at least a portion of the isolation member is disposed between the electrode lead-out member and the end face of the body portion, where the isolation member is provided with a channel, and the tab passes through the channel and is electrically connected to the electrode lead-out member.
Inventor(s): Nangui LV of Ningde (CN) for contemporary amperex technology co., limited, Yan ZHAO of Ningde (CN) for contemporary amperex technology co., limited, Caixia HUANG of Ningde (CN) for contemporary amperex technology co., limited, Minghao TANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/586, H01M10/04, H01M50/107, H01M50/591
CPC Code(s): H01M50/586
Abstract: a battery cell includes an electrode assembly and an insulating film, where the electrode assembly is of a winding structure, and includes a first electrode plate, a second electrode plate, and a separator, and the separator is used to isolate the first electrode plate from the second electrode plate; and the insulating film is wound around the outside of the electrode assembly by wrapping, and a winding starting section of the insulating film is connected to a winding ending section of the separator.
Inventor(s): Jun Xiao of Ningde (CN) for contemporary amperex technology co., limited, Song Duan of Ningde (CN) for contemporary amperex technology co., limited, Caiying Sun of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/588, H01M10/04, H01M50/103, H01M50/15
CPC Code(s): H01M50/588
Abstract: some embodiments of this application provide a battery cell, a battery, an electrical device, and a method and apparatus for manufacturing a battery cell. the battery cell includes: a housing, including a first opening and configured to accommodate an electrode assembly of the battery cell; an end cap, configured to fit and cover the first opening; and a first dielectric film, configured to dielectrically protect the end cap. the first dielectric film includes: a body portion, where the body portion is configured to cover a surface of the end cap, the surface being away from the housing; and a plurality of extension portions. the plurality of extension portions surround the body portion. each of the plurality of extension portions is connected to one edge of the body portion and extends away from a center of the body portion.
Inventor(s): Xiaofu Xu of Ningde (CN) for contemporary amperex technology co., limited, Yibo Shang of Ningde (CN) for contemporary amperex technology co., limited, Jianfu Pan of Ningde (CN) for contemporary amperex technology co., limited, Jingxuan Sun of Ningde (CN) for contemporary amperex technology co., limited, Qian Liu of Ningde (CN) for contemporary amperex technology co., limited, Yonghuang Ye of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H02J7/00, H01M4/02, H01M4/36, H01M4/58, H01M10/0525, H01M10/44, H01M10/48
CPC Code(s): H02J7/007182
Abstract: embodiments of the present application provide a charging control method and a charging control apparatus of a lithium-ion battery. the charging control method includes: performing charging control on the lithium-ion battery for the itime, so that a battery capacity value of the lithium-ion battery at a target charging cut-off voltage is 0.95cto 1.05c, where cis a nominal capacity of the lithium-ion battery, and the target charging cut-off voltage is less than or equal to the nominal voltage of the lithium-ion battery. the charging control method and the charging control apparatus according to the embodiments of the present application are beneficial to keeping the quantity of active lithium unchanged, thereby achieving the effect of automatically supplementing the battery capacity along with aging.
Inventor(s): Xiangtao Li of Ningde (CN) for contemporary amperex technology co., limited, Bao Li of Ningde (CN) for contemporary amperex technology co., limited, Kai Wu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H02J7/04, B60L53/62, H02J7/00
CPC Code(s): H02J7/04
Abstract: the application provides a battery charging circuit. the battery charging circuit includes a bidirectional vehicle-mounted charging module; a first loop switch module, configured to, once turned on, connect a direct current charging interface of a charging pile to the bidirectional vehicle-mounted charging module's first end, and the bidirectional vehicle-mounted charging module's second end to a battery pack, when the charging pile is charging an electric vehicle; a second loop switch module, configured to, once turned on, connect the direct current charging interface to the battery pack, when the charging pile is charging the electric vehicle; the bidirectional vehicle-mounted charging module, configured to boost a direct current voltage output by the charging pile to be higher than a preset voltage; and a control module, configured to control the first loop switch module or the second loop switch module to be turned on, according to the direct current voltage.
Inventor(s): Changsong CHEN of Ningde (CN) for contemporary amperex technology co., limited, Yongsheng GUO of Ningde (CN) for contemporary amperex technology co., limited, Guodong CHEN of Ningde (CN) for contemporary amperex technology co., limited, Chuying OUYANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H10K30/40, H10K85/50, H10K101/30, H10K101/40
CPC Code(s): H10K30/40
Abstract: a perovskite solar cell includes a perovskite layer comprising a first surface and a second surface that are opposite each other in the thickness direction thereof; a hole transport layer provided on the first surface; and an electron transport layer provided on the second surface. the electron transport layer comprises at least two sub-layers and a doping material, and each of the sub-layers has a conduction band bottom energy level lower than that of the hole transport layer and a valence band top energy level lower than that of the hole transport layer.
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on September 26th, 2024
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- B08B5/02
- CPC B08B5/026
- Contemporary amperex technology co., limited
- B65H19/22
- H01M10/04
- CPC B65H19/2292
- F26B21/04
- F26B3/12
- F26B25/14
- CPC F26B21/04
- G01N21/89
- G01N21/95
- CPC G01N21/89
- G01R35/00
- B60L58/12
- B60L58/16
- B60L58/20
- G01R31/392
- H01M10/42
- H01M10/44
- H01M10/48
- H02J7/00
- H02J7/34
- CPC G01R35/005
- G06T7/73
- G06T1/00
- CPC G06T7/74
- H01M4/04
- G01N9/36
- CPC H01M4/0404
- H01M4/36
- H01M4/02
- H01M4/133
- H01M4/587
- H01M4/62
- CPC H01M4/366
- H01M4/505
- H01M4/58
- H01M4/583
- H01M10/0567
- H01M10/0525
- H01M10/0569
- H01M4/525
- H01M4/64
- CPC H01M4/5825
- H01M10/0587
- A62C3/06
- B65H26/00
- CPC H01M10/0587
- C07D213/79
- C07F9/50
- H01M10/054
- H01M50/417
- H01M50/426
- H01M50/434
- H01M50/443
- H01M50/446
- H01M50/451
- H01M50/457
- H01M50/489
- CPC H01M10/4235
- H01M10/6551
- H01M10/613
- H01M50/233
- CPC H01M10/6551
- H01M50/103
- H01M10/625
- H01M10/647
- H01M10/6555
- H01M10/6567
- H01M50/131
- H01M50/15
- H01M50/209
- H01M50/249
- H01M50/474
- H01M50/531
- H01M50/548
- CPC H01M50/103
- H01M50/133
- H01M50/169
- CPC H01M50/133
- H01M50/244
- H01M50/236
- H01M50/258
- CPC H01M50/244
- H01M50/262
- CPC H01M50/262
- H01M50/342
- CPC H01M50/342
- H01M50/406
- CPC H01M50/451
- H01M50/477
- CPC H01M50/477
- H01M50/586
- H01M50/54
- CPC H01M50/586
- H01M50/107
- H01M50/591
- H01M50/588
- CPC H01M50/588
- CPC H02J7/007182
- H02J7/04
- B60L53/62
- CPC H02J7/04
- H10K30/40
- H10K85/50
- H10K101/30
- H10K101/40
- CPC H10K30/40
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