CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on August 22nd, 2024
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED on August 22nd, 2024
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED: 33 patent applications
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED has applied for patents in the areas of H01M4/02 (9), H01M4/36 (6), H01M4/58 (6), H01M50/103 (5), H01M4/62 (5) H01M4/366 (2), H01M50/457 (2), H01M4/622 (2), H01M10/0567 (2), B01F27/1132 (1)
With keywords such as: battery, electrode, layer, positive, material, portion, plate, end, film, and component in patent application abstracts.
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor(s): Liangliang WU of Ningde (CN) for contemporary amperex technology co., limited, Liang JIANG of Ningde (CN) for contemporary amperex technology co., limited, Yalong QING of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): B01F27/1132, B01F23/53, B01F27/053
CPC Code(s): B01F27/1132
Abstract: the present application provides an impeller assembly and battery slurry mixing and stirring equipment having same. the impeller assembly provided in the present application includes: a stirring impeller, wherein the stirring impeller includes a rotating shaft and blades arranged around the rotating shaft along the circumferential direction; a surrounding plate, wherein the surrounding plate is arranged around the outer periphery of the stirring impeller, and the surrounding plate is provided with a plurality of discharge holes, the surrounding plate further includes a plurality of dispersing teeth, the plurality of dispersing teeth are arranged facing a rotation direction of the blades, and the plurality of dispersing teeth are distributed around the periphery of the plurality of discharge holes.
Inventor(s): Xieji LIN of Ningde (CN) for contemporary amperex technology co., limited, Rui SHEN of Ningde (CN) for contemporary amperex technology co., limited, Libing HE of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): C01B32/205
CPC Code(s): C01B32/205
Abstract: a preparation method of an artificial graphite includes heat-treating a graphite raw material to obtain artificial graphite, where an ambient atmosphere of the heat treatment is a mixed gas including a gas that is at least one of oxygen or water vapor and including a chemically inert gas, and, during the heat treatment, the graphite raw material is in a motion state.
Inventor(s): Shibiao QUE of Xiamen (CN) for contemporary amperex technology co., limited, Can CHEN of Xiamen (CN) for contemporary amperex technology co., limited
IPC Code(s): G01S17/08, B60L53/80
CPC Code(s): G01S17/08
Abstract: an embodiment of the present application provides a method and a device for detecting a position of a battery swap apparatus, a battery swap apparatus, and a battery swap station, which can ensure that a battery swap operation is performed after the battery swap apparatus runs to an accurate position in a battery swap process, thus ensuring safety of the battery swap process. the battery swap apparatus is provided with a distance measuring device. the method for detecting the position of the battery swap apparatus includes: acquiring, from the distance measuring device, a first distance by which the battery swap apparatus moves; and determining the position of the battery swap apparatus according to the first distance.
Inventor(s): Liyong Lin of Ningde (CN) for contemporary amperex technology co., limited, Deqiang Shi of Ningde (CN) for contemporary amperex technology co., limited, Shurui Chen of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): G06Q10/0631
CPC Code(s): G06Q10/06311
Abstract: provided are an agv system and an agv scheduling method for improving agv utilization rate and the production line yield. the agv scheduling method can include: acquiring an optimal value of a threshold of an agv scheduling-related parameter, including: through a pre-established simulation model for a real agv system, conducting a simulation on different values of the threshold of the agv scheduling-related parameter to determine an obtained value of a related performance index at the corresponding value of the threshold; and taking the value of the threshold of the agv scheduling-related parameter corresponding to the obtained value of the related performance index meeting the preset condition as the optimal value of the threshold of the agv scheduling-related parameter; and using the optimal value of the threshold of the agv scheduling-related parameter to conduct agv scheduling in the real agv system.
Inventor(s): Wei CHEN of Ningde (CN) for contemporary amperex technology co., limited, Huan CHE of Ningde (CN) for contemporary amperex technology co., limited, Yuting LI of Ningde (CN) for contemporary amperex technology co., limited, Yalong QING of Ningde (CN) for contemporary amperex technology co., limited, Tao NIE of Ningde (CN) for contemporary amperex technology co., limited, Fang LUO of Ningde (CN) for contemporary amperex technology co., limited, Shisong LI of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/04, B05C13/00
CPC Code(s): H01M4/0471
Abstract: a strip diverting mechanism includes a negative pressure unit and an air discharge unit. the negative pressure unit and the air discharge unit are arranged opposite each other, and a gap through which a strip passes is formed between the negative pressure unit and the air discharge unit. the negative pressure unit is configured to provide a suction force to the strip and the air discharge unit is configured to provide a repulsive force to the strip, to prevent the strip from contacting the negative pressure unit and the air discharge unit. the negative pressure unit comprises two air channels located at two sides of the negative pressure unit and configured to discharge air to a direction away from the negative pressure unit, to generate a negative pressure area at a center of the negative pressure unit.
Inventor(s): Liang Yun of Ningde (CN) for contemporary amperex technology co., limited, Xin Sun of Ningde (CN) for contemporary amperex technology co., limited, Lili Wu of Ningde (CN) for contemporary amperex technology co., limited, Peidong Song of Ningde (CN) for contemporary amperex technology co., limited, Miaomiao Dong of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/36, H01M4/02, H01M4/587, H01M4/60
CPC Code(s): H01M4/366
Abstract: provided is a pore-forming agent for secondary battery and a preparation method thereof, a negative electrode plate, an electrode assembly, and a secondary battery. the pore-forming agent for secondary battery includes a one-dimensional conductive material and stable-state lithium metal particles, where the stable-state lithium metal particles are loaded on the one-dimensional conductive material.
Inventor(s): Yinghua ZHU of Ningde (CN) for contemporary amperex technology co., limited, Songjun SHI of Ningde (CN) for contemporary amperex technology co., limited, Youlei LAI of Ningde (CN) for contemporary amperex technology co., limited, Xing TONG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/36, C01B25/45, C01G53/00, H01M4/02, H01M4/131, H01M4/136, H01M4/505, H01M4/525, H01M4/58, H01M10/0525
CPC Code(s): H01M4/366
Abstract: this application provides a positive electrode plate, a lithium-ion secondary battery, a battery module, a battery pack, and an electrical device. the positive electrode plate of this application includes: a current collector, a first coating layer applied on both sides of the current collector, and a second coating layer applied on a surface of the first coating layer. the first coating layer contains a small-grained olivine-structured phosphate compound, and a particle diameter of the small-grained olivine-structured phosphate compound is 0.5 to 2 �m. the second coating layer contains: a large-grained olivine-structured phosphate compound and a layered transition metal oxide; or a large-grained olivine-structured phosphate compound and a pure layered transition metal oxide. a particle diameter of the large-grained olivine-structured phosphate compound is larger than a particle diameter of the small-grained olivine-structured phosphate compound.
Inventor(s): Limei Zhang of Ningde (CN) for contemporary amperex technology co., limited, Peipei Chen of Ningde (CN) for contemporary amperex technology co., limited, Jiao Liu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/505, H01M4/02, H01M4/36, H01M4/58, H01M4/583, H01M10/0567, H01M10/0569
CPC Code(s): H01M4/505
Abstract: this application provides a secondary battery, a battery module, a battery pack, and an electric apparatus. the secondary battery includes a positive electrode plate and a non-aqueous electrolyte. the positive electrode plate includes a positive electrode active material having a core-shell structure, the positive electrode active material including a core and a shell enveloping the core. a chemical formula of the core is limnapro. a is one or more elements selected from zn, al, na, k, mg, mo, w, ti, v, zr, fe, ni, co, ga, sn, sb, nb and ge. r is one or more elements selected from b, si, n, and s. the first coating layer includes a crystalline pyrophosphate liampoand/or mb(po). the second coating layer includes a crystalline phosphate xpo. the third coating layer is carbon. the non-aqueous electrolyte includes a first solvent, the first solvent including one or more of the compounds represented by formula 1.
Inventor(s): Limei Zhang of Ningde (CN) for contemporary amperex technology co., limited, Peipei Chen of Ningde (CN) for contemporary amperex technology co., limited, Jiao Liu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/505, H01M4/02, H01M4/36, H01M4/58, H01M4/583, H01M10/0567, H01M10/0569
CPC Code(s): H01M4/505
Abstract:
Inventor(s): Wei Chen of Ningde (CN) for contemporary amperex technology co., limited, Huan Che of Ningde (CN) for contemporary amperex technology co., limited, Fang Luo of Ningde (CN) for contemporary amperex technology co., limited, Shisong Li of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/525, H01M4/02, H01M4/04, H01M4/1391, H01M4/62, H01M4/66
CPC Code(s): H01M4/525
Abstract: in various embodiments, provided are an electrode plate, a method for preparing the same, a secondary battery, a battery module, and a battery pack comprising a main body region and an isolation region, where the isolation region is arranged on both sides of the main body region along a width direction of the electrode plate, the isolation region is provided with an insulating strip coating, and the main body region is provided with an active material layer. an outer edge of the active material layer is confined to a junction between the main body region and the isolation region, and a contact angle between a slurry forming the active material layer and the insulating strip coating is more than 90�, thereby improving the problem of diffusion of the active material slurry along the width direction of the electrode plate, and reducing a defective rate of the electrode plate.
Inventor(s): Yao JIANG of Ningde (CN) for contemporary amperex technology co., limited, Chuying OUYANG of Ningde (CN) for contemporary amperex technology co., limited, Xinxin ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Bin DENG of Ningde (CN) for contemporary amperex technology co., limited, Zhiqiang WANG of Ningde (CN) for contemporary amperex technology co., limited, Tianci YUAN of Ningde (CN) for contemporary amperex technology co., limited, Bo XU of Ningde (CN) for contemporary amperex technology co., limited, Shangdong CHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/58, H01M4/02, H01M4/136, H01M4/36
CPC Code(s): H01M4/5825
Abstract: a positive electrode active material has limpo, wherein m includes mn and a non-mn element, and the non-mn element satisfies at least one of the following conditions: the ionic radius of the non-mn element being denoted as a, and the ionic radius of manganese element being denoted as b, |a−b|/b is not greater than 10%; the valence alternation voltage of the non-mn element being denoted as u, 2 v<u<5.5 v; the chemical activity of a chemical bond formed by the non-mn element and o is not less than that of a p—o bond; and the highest valence of the non-mn element is not greater than 6.
Inventor(s): Yunpeng XU of Ningde (CN) for contemporary amperex technology co., limited, Jian XU of Ningde (CN) for contemporary amperex technology co., limited, Yanying WU of Ningde (CN) for contemporary amperex technology co., limited, Xinghui WANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/62, H01M10/0525
CPC Code(s): H01M4/622
Abstract: a functional polymer, an electrode slurry, an electrode plate, a battery and a power consuming device are described. the functional polymer comprises structural units represented by formula (a), formula (b) and formula (c). the functional polymer can increase the dispersion stability of the electrode slurry and also have the function of toughening, so as to increase the dispersion uniformity of the components in an electrode active layer while increasing its toughness, and further increase the cycling stability of the battery.
Inventor(s): Yunpeng XU of Ningde (CN) for contemporary amperex technology co., limited, Jian XU of Ningde (CN) for contemporary amperex technology co., limited, Yanying WU of Ningde (CN) for contemporary amperex technology co., limited, Xinghui WANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/62, H01M10/0525
CPC Code(s): H01M4/622
Abstract:
Inventor(s): Changyuan HU of Ningde (CN) for contemporary amperex technology co., limited, Lei LU of Ningde (CN) for contemporary amperex technology co., limited, Yalong WANG of Ningde (CN) for contemporary amperex technology co., limited, Zheng WANG of Ningde (CN) for contemporary amperex technology co., limited, Kaiming DENG of Ningde (CN) for contemporary amperex technology co., limited, Linzhen YU of Ningde (CN) for contemporary amperex technology co., limited, Shisong LI of Ningde (CN) for contemporary amperex technology co., limited, Shunhao DAI of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/62, H01M4/02, H01M4/04, H01M4/58
CPC Code(s): H01M4/622
Abstract: a secondary battery is disclosed. the secondary battery includes a first binder and a second binder, the first binder includes at least one of polyvinylidene fluoride, rubber, epoxy resin, polyurethane, and acrylate, and the second binder includes at least one of polytetrafluoroethylene, polyimide, polypropylene, polyethylene, ethylene vinyl acetate copolymer, and styrene-ethylene-butylene-styrene block copolymer.
Inventor(s): Yao JIANG of Ningde (CN) for contemporary amperex technology co., limited, Chuying OUYANG of Ningde (CN) for contemporary amperex technology co., limited, Xinxin ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Bin DENG of Ningde (CN) for contemporary amperex technology co., limited, Zhiqiang WANG of Ningde (CN) for contemporary amperex technology co., limited, Tianci YUAN of Ningde (CN) for contemporary amperex technology co., limited, Bo XU of Ningde (CN) for contemporary amperex technology co., limited, Shangdong CHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/62, H01M4/02, H01M4/1391, H01M4/525, H01M10/0525
CPC Code(s): H01M4/623
Abstract: a positive electrode active material has an inner core and a shell coating the inner core, wherein the inner core comprises at least one of a ternary material, dlimno�(1−d)limoand limpo, where 0<d<1, and m includes one or more selected from fe, ni, co, and mn; and the shell contains a crystalline inorganic substance having a full width at half maximum of the main peak of 0-3� as measured by means of x-ray diffraction, and the crystalline inorganic substance includes one or more selected from a metal oxide and an inorganic salt.
Inventor(s): Lan XIE of Ningde (CN) for contemporary amperex technology co., limited, Zhen LIN of Ningde (CN) for contemporary amperex technology co., limited, Shiliang LIN of Ningde (CN) for contemporary amperex technology co., limited, Xiaohui WU of Ningde (CN) for contemporary amperex technology co., limited, Long WANG of Ningde (CN) for contemporary amperex technology co., limited, Wei LI of Ningde (CN) for contemporary amperex technology co., limited, Zhonghong LI of Ningde (CN) for contemporary amperex technology co., limited, Kai WU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/62, H01M4/02, H01M10/0587
CPC Code(s): H01M4/628
Abstract: a positive electrode sheet has a straight portion and to-be-bent portions, a thickening layer is disposed on at least one side of a positive electrode current collector of at least some of the to-be-bent portions, the thickening layer is disposed between the positive electrode current collector and a positive electrode active material layer, the positive electrode active material layer covers a surface of the thickening layer is a first positive electrode active material layer, and the positive electrode active material layer located in the straight portion is a second positive electrode active material layer. a ratio of a thickness of the first positive electrode active material layer to a thickness of the second positive electrode active material layer is 20-80%.
Inventor(s): Keqiang LI of Ningde (CN) for contemporary amperex technology co., limited, Xiaosong LIU of Ningde (CN) for contemporary amperex technology co., limited, Zhiyang WU of Ningde (CN) for contemporary amperex technology co., limited, Yi LU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/66
CPC Code(s): H01M4/667
Abstract: a device for preparing a current collector assembly includes: a first feeding apparatus configured to provide a transfer film, the transfer film having a base layer and a metal layer formed thereon; a second feeding apparatus configured to provide a bottom film, the bottom film having a first surface and a second surface opposite to the first surface; a coating apparatus configured to applying an adhesive on the first surface to obtain a base film; and a transfer apparatus configured to transfer the metal layer to the base film to obtain the current collector assembly.
Inventor(s): Ningbo Xu of Ningde (CN) for contemporary amperex technology co., limited, 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): H01M10/0567, H01M10/0525
CPC Code(s): H01M10/0567
Abstract: a secondary battery includes an additive. the structure of the additive is r—x—r, where x is one of carbon, nitrogen, silicon, phosphorus, and sulfur; rincludes one or two non-polar groups; and ris a polar chain group or a polar cyclic group, where the chain group includes one or more of double bond, triple bond, and silicon-oxygen bond, and the cyclic group includes one or more of three-membered heterocycle, four-membered heterocycle, five-membered heterocycle, and six-membered heterocycle.
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): H01M10/0567, H01M4/36, H01M4/505, H01M4/58
CPC Code(s): H01M10/0567
Abstract: the present application provides a secondary battery and a battery module, battery pack and electrical device containing the same. the secondary battery comprises a positive electrode plate and an non-aqueous electrolytic solution, wherein the positive electrode plate comprises a positive electrode active material with a core-shell structure, said positive electrode active material comprising an core and a shell covering said core, said core has a chemical formula of limnapro; said shell comprises a first cladding layer covering said core, a second cladding layer covering said first cladding layer and a third cladding layer covering said second cladding layer, said non-aqueous electrolytic solution comprises a first additive, said first additive comprises one or more of compounds as shown by formula 1, formula 2 and formula 3.
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): H01M10/0567, H01M4/36, H01M4/505, H01M4/58
CPC Code(s): H01M10/0567
Abstract:
Inventor(s): Long SUN of Ningde (CN) for contemporary amperex technology co., limited, Lan XIE of Ningde (CN) for contemporary amperex technology co., limited, Chenping WANG of Ningde (CN) for contemporary amperex technology co., limited, Xiaohui WU of Ningde (CN) for contemporary amperex technology co., limited, Zhen LIN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/42, H01M10/613, H01M10/625
CPC Code(s): H01M10/4228
Abstract: this application relates to a liquid leak detection method and apparatus, a battery control unit, and a battery management system. the method includes: obtaining a gas concentration detection signal output separately by a plurality of target gas sensors in a battery box, where the gas concentration detection signal is used for indicating a measured gas concentration; obtaining position information of each target gas sensor in the battery box; and determining a leaking region in the battery box based on the gas concentration detection signal and the position information of each target gas sensor. to sum up, in an embodiment of this application, the leaking region in the battery box can be located by analyzing the gas concentration detection signals and position information of a plurality of target gas sensors in the battery box, so that prompt information used for indicating the leaking region can be output subsequently.
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): H01M10/42, C01B25/45, H01M4/02, H01M4/36, H01M4/58, H01M4/587, H01M10/0567
CPC Code(s): H01M10/4235
Abstract: a secondary battery includes a positive electrode plate and a non-aqueous electrolyte. the positive electrode plate includes a positive electrode active material including a core and a shell enveloping the core. a chemical formula of the core is limnapro, where the first coating layer includes a crystalline pyrophosphate limpoand/or mb(po), the second coating layer includes a crystalline phosphate xpo, and the third coating layer is carbon. the non-aqueous electrolyte includes a first additive including one or more selected from a group consisting of compounds represented by formula 1 and compounds represented by formula 2.
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): H01M10/42, C01B25/45, H01M4/02, H01M4/36, H01M4/58, H01M4/587, H01M10/0567
CPC Code(s): H01M10/4235
Abstract:
Inventor(s): Feiting SONG of Ningde (CN) for contemporary amperex technology co., limited, Yuepan HOU of Ningde (CN) for contemporary amperex technology co., limited, Xiaoteng HUANG of Ningde (CN) for contemporary amperex technology co., limited, Cong ZHOU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/6555, H01M10/613, H01M10/625, H01M10/6568, H01M50/209, H01M50/503, H01M50/507
CPC Code(s): H01M10/6555
Abstract: a water cooling plate assembly includes: a harmonica reed plate, a first current collector, and a second current collector. the first current collector is disposed at a first end of the harmonica reed plate in the length direction. a first current collecting space communicating with a port at one end of the plurality of cooling channels is formed in the first current collector. a first liquid inlet and a first liquid outlet through which the cooling liquid flows into and out of the first collecting space respectively are formed on the first current collector on two sides in a thickness direction of the harmonica reed plate respectively.
Inventor(s): Fengsheng HAN of Ningde (CN) for contemporary amperex technology co., limited, Yong WANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/658, H01M10/615, H01M10/6571, H05B3/28
CPC Code(s): H01M10/658
Abstract: a heating film includes a first insulating film, a second insulating film and a heating element. the second insulating film is located on one side of the first insulating film in its thickness direction, and the heating element is arranged between the first insulating film and the second insulating film. at least one of the first insulating film and the second insulating film includes a ceramic insulating film, and the heating film is further configured with a mounting part for mounting the heating film.
Inventor(s): Hu XU of Ningde (CN) for contemporary amperex technology co., limited, Xing LI of Ningde (CN) for contemporary amperex technology co., limited, Haizu JIN of Ningde (CN) for contemporary amperex technology co., limited, Shaojun NIU of Ningde (CN) for contemporary amperex technology co., limited, Fenggang ZHAO of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/103, H01M50/538, H01M50/54, H01M50/548, H01M50/586, H01M50/593
CPC Code(s): H01M50/103
Abstract: a battery cell includes: a housing; an electrode unit accommodated in the housing and including a first electrode assembly and a second electrode assembly which are disposed along a first direction, wherein the first electrode assembly and the second electrode assembly are arranged in parallel, the first electrode assembly includes a first body and a first tab, and the second electrode assembly includes a second body and a second tab, and wherein a polarity of the first tab is the same as a polarity of the second tab, and at least a part of the first tab and at least a part of the second tab are located between the first body and the second body; and a first electrode terminal disposed on the housing and electrically connected to the first tab and the second tab to export electric energies of the first electrode assembly and the second electrode assembly.
Inventor(s): Quanzhuang HUANG of Ningde (CN) for contemporary amperex technology co., limited, Qi CHENG of Ningde (CN) for contemporary amperex technology co., limited, Jiang LIN of Ningde (CN) for contemporary amperex technology co., limited, Chuandong LIN of Ningde (CN) for contemporary amperex technology co., limited, Weiwei WANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/15, H01M50/103, H01M50/169, H01M50/548
CPC Code(s): H01M50/15
Abstract: a battery cell includes a shell and an end cap assembly, the shell being provided with an opening, and the end cap assembly including an end cap, an insulating member and an inner terminal, wherein the end cap is arranged at the opening, and a surface of the end cap close to the shell is provided with an annular protrusion extending in a circumferential direction of the end cap; the annular protrusion shrinks inwards relative to an edge of the end cap to form a flange between an outer side of the annular protrusion and the edge of the end cap; the flange is arranged on a shell wall of the shell, and the annular protrusion extends into the shell; and the insulating member is arranged in a groove enclosed by the annular protrusion, and the inner terminal is arranged on the insulating member.
Inventor(s): Pengfei LV of Ningde (CN) for contemporary amperex technology co., limited, Pengfei LI of Ningde (CN) for contemporary amperex technology co., limited, Renyu CHEN of Ningde (CN) for contemporary amperex technology co., limited, Jinwu WU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/166, H01M50/103, H01M50/15
CPC Code(s): H01M50/166
Abstract: a battery case includes a housing, an end cap and a sealing member, wherein the housing has an open end, the end cap fits with the housing and covers the open end, the end cap is provided with a groove and a sealing region, the groove is arranged facing away from the housing, the sealing region is arranged on a peripheral surface of the end cap and corresponding to an inner side wall of the groove, and the sealing member is arranged between an inner wall of the housing and the sealing region.
Inventor(s): Xin PAN of Ningde (CN) for contemporary amperex technology co., limited, Zhiming CHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/24, G01R31/364, H01M50/251, H01M50/271
CPC Code(s): H01M50/24
Abstract: a battery pack includes a battery box, a battery module, a sampling wire and a low-voltage connector. the battery box is provided with an accommodating space for accommodating the battery module and a box sealing structure; the battery module is provided with a battery positive terminal post and a battery negative terminal post; and the battery positive terminal post and the battery negative terminal post of the battery module are connected with the low-voltage connector through the sampling wire for sampling the battery pack.
Inventor(s): Jianhuang KE of Ningde (CN) for contemporary amperex technology co., limited, Xiaobo CHEN of Ningde (CN) for contemporary amperex technology co., limited, Yao LI of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/358, H01M50/204, H01M50/342, H01M50/367
CPC Code(s): H01M50/358
Abstract: embodiments of the present application provide a battery, comprising: a box comprising an electrical cavity; a battery cell accommodated in the electrical cavity, a first wall of the battery cell being provided with a pressure relief mechanism; a first pathway and a second pathway, the first pathway and the second pathway being configured to be capable of communicating with an interior of the battery cell via the pressure relief mechanism when the pressure relief mechanism is actuated, wherein the first pathway is used to discharge emissions discharged from the pressure relief mechanism into the electrical cavity, and the second pathway is used to discharge the emissions discharged from the pressure relief mechanism out of the electrical cavity; a first balance valve for discharging emissions passing through the first pathway out of the box; and a second balance valve for discharging emissions passing through the second pathway out of the box.
Inventor(s): Wei Zhong of Ningde (CN) for contemporary amperex technology co., limited, Xiaoming Ge of Ningde (CN) for contemporary amperex technology co., limited, Chuying Ouyang of Ningde (CN) for contemporary amperex technology co., limited, Yulei Fan of Ningde (CN) for contemporary amperex technology co., limited, Feng Liu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/457, H01M50/403, H01M50/414, H01M50/434, H01M50/443, H01M50/451
CPC Code(s): H01M50/457
Abstract: provided are a separator comprising a base film and a coating on the base film, wherein the coating comprises a ceramic layer partially embedded in the base film and a boehmite-like layer on the ceramic layer. the separator of the present application may effectively consume lithium dendrites, avoids the lithium dendrites from piercing the separator, and at the same time has a relatively low internal resistance. the present application further provides a method for preparing the separator, and a secondary battery, a battery module using the separator, a battery pack, and a power consuming device.
Inventor(s): Jingyu GAO of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/457, H01M50/403, H01M50/417, H01M50/431, H01M50/434, H01M50/451
CPC Code(s): H01M50/457
Abstract: a separator and a preparation method thereof, a secondary battery, a battery module, a battery pack, and an electric apparatus. the separator includes a separator substrate and a carbon layer on at least one surface of the separator substrate, where a functional group for improving surface infiltration is grafted onto a surface on a side, farther away from the separator substrate, of the carbon layer.
Inventor(s): Hu Xu of Ningde (CN) for contemporary amperex technology co., limited, Shaojun Niu of Ningde (CN) for contemporary amperex technology co., limited, Xing Li of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/528, H01M10/04, H01M50/103, H01M50/209, H01M50/55, H01M50/588
CPC Code(s): H01M50/528
Abstract: a battery cell, a battery, a power consumption device, and a method and device for producing a battery cell are provided. the battery cell includes: a housing which has an accommodating cavity and an opening at one end. the housing has a first wall which is adjacent to the opening; an electrode terminal, disposed on the first wall; an electrode assembly, accommodated in the accommodating cavity and having a tab; and a connecting component which is configured to electrically connect the electrode terminal and the tab and includes a first portion and a second portion that are relatively bent. the first portion is configured to be electrically connected to the electrode terminal, the second portion is configured to be electrically connected to the tab, and the tab is located between the second portion and the opening or the second portion is located between the tab and the opening.
Inventor(s): Hu XU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/547, H01M10/04, H01M50/102, H01M50/502
CPC Code(s): H01M50/547
Abstract: a battery cell includes a housing, an electrode component, and an electrode terminal. the outer surface of the housing is provided with a recess. the electrode component is accommodated within the housing. at least a part of the electrode terminal is accommodated within the recess, and the electrode terminal is configured to be electrically connected to the electrode component to export electric energy of the electrode component. the recess is configured to accommodate at least a part of a busbar of a battery, the busbar is configured to connect electrode terminals of a plurality of battery cells to electrically connect the plurality of battery cells.
Inventor(s): Junrong LI of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/569, H01M10/42, H01M50/291
CPC Code(s): H01M50/569
Abstract: a battery sampling device, a battery, and an electricity consumption device are provided. the battery sampling device includes a conductive component, a sampling component and a bearing component. the conductive component is in contact with a pole and is electrically connected to the pole. the sampling component is electrically connected to the conductive component and is configured to transmit or process electrical parameters acquired by the conductive component. the bearing component is configured to bear the conductive component and the sampling component and to be adapted to being inserted into a gap between two battery cells with end surfaces of the pole welded with each other. the conductive component abuts against a side surface of the pole and the sampling component, so as to realize an electric connection among the pole, the conductive component and the sampling component.
Inventor(s): Shengwang CHEN of Ningde (CN) for contemporary amperex technology co., limited, Wenlin ZHOU of Ningde (CN) for contemporary amperex technology co., limited, Zhijun GUO of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/583
CPC Code(s): H01M50/583
Abstract: a safety mechanism includes a connecting piece and an expanding layer. the connecting piece includes a first connecting portion, a fusing portion, and a second connecting portion that are connected in sequence. the expanding layer is disposed on a side of the first connecting portion or the second connecting portion in a first direction and located at a position of the first connecting portion or the second connecting portion close to the fusing portion. the first direction is a thickness direction of the connecting piece.
Inventor(s): Zhitong SHANG of Ningde (CN) for contemporary amperex technology co., limited, Yaoling WEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/636, H01M50/103, H01M50/15, H01M50/186
CPC Code(s): H01M50/636
Abstract: an end cap assembly includes an end cap, a first sealing member and a second sealing member. the end cap includes a cap body. the cap body includes a cap portion and a filling table, and has a filling hole penetrating the cap portion and the filling table. the first sealing member is blocked in the filling hole, and the second sealing member has a first sealing portion and a second sealing portion connected to each other. the first sealing portion covers the side of the first sealing member that faces away from the interior of the battery cell, the second sealing portion is bent toward the interior of the battery cell relative to the first sealing portion, and is sealingly connected to an outer peripheral side wall of the filling table.
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on August 22nd, 2024
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- B01F27/1132
- B01F23/53
- B01F27/053
- CPC B01F27/1132
- Contemporary amperex technology co., limited
- C01B32/205
- CPC C01B32/205
- G01S17/08
- B60L53/80
- CPC G01S17/08
- G06Q10/0631
- CPC G06Q10/06311
- H01M4/04
- B05C13/00
- CPC H01M4/0471
- H01M4/36
- H01M4/02
- H01M4/587
- H01M4/60
- CPC H01M4/366
- C01B25/45
- C01G53/00
- H01M4/131
- H01M4/136
- H01M4/505
- H01M4/525
- H01M4/58
- H01M10/0525
- H01M4/583
- H01M10/0567
- H01M10/0569
- CPC H01M4/505
- H01M4/1391
- H01M4/62
- H01M4/66
- CPC H01M4/525
- CPC H01M4/5825
- CPC H01M4/622
- CPC H01M4/623
- H01M10/0587
- CPC H01M4/628
- CPC H01M4/667
- CPC H01M10/0567
- H01M10/42
- H01M10/613
- H01M10/625
- CPC H01M10/4228
- CPC H01M10/4235
- H01M10/6555
- H01M10/6568
- H01M50/209
- H01M50/503
- H01M50/507
- CPC H01M10/6555
- H01M10/658
- H01M10/615
- H01M10/6571
- H05B3/28
- CPC H01M10/658
- H01M50/103
- H01M50/538
- H01M50/54
- H01M50/548
- H01M50/586
- H01M50/593
- CPC H01M50/103
- H01M50/15
- H01M50/169
- CPC H01M50/15
- H01M50/166
- CPC H01M50/166
- H01M50/24
- G01R31/364
- H01M50/251
- H01M50/271
- CPC H01M50/24
- H01M50/358
- H01M50/204
- H01M50/342
- H01M50/367
- CPC H01M50/358
- H01M50/457
- H01M50/403
- H01M50/414
- H01M50/434
- H01M50/443
- H01M50/451
- CPC H01M50/457
- H01M50/417
- H01M50/431
- H01M50/528
- H01M10/04
- H01M50/55
- H01M50/588
- CPC H01M50/528
- H01M50/547
- H01M50/102
- H01M50/502
- CPC H01M50/547
- H01M50/569
- H01M50/291
- CPC H01M50/569
- H01M50/583
- CPC H01M50/583
- H01M50/636
- H01M50/186
- CPC H01M50/636