CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on October 17th, 2024
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED on October 17th, 2024
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED: 21 patent applications
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED has applied for patents in the areas of H01M4/02 (6), H01M4/36 (4), H01M10/42 (3), H01M10/0525 (3), H01M4/587 (3) H01M4/366 (2), B23K37/0435 (1), H01M50/169 (1), H02K1/2795 (1), H01M50/586 (1)
With keywords such as: electrode, battery, negative, plate, material, end, cover, surface, portion, and layer in patent application abstracts.
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor(s): Changjin WEN of Ningde (CN) for contemporary amperex technology co., limited, Qiming LI of Ningde (CN) for contemporary amperex technology co., limited, Ruilian NIE of Ningde (CN) for contemporary amperex technology co., limited, Bin ZHAO of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): B23K37/04, B23K101/36
CPC Code(s): B23K37/0435
Abstract: a welding positioning fixture includes a support device, two first lateral-pressing devices and a downward-pressing device. two battery modules float along a first direction, the two first lateral-pressing devices are pressed on the first sides of the battery modules respectively, and the downward-pressing device is used for positioning the battery modules along the first direction. each first lateral-pressing device has a first positioning surface. when the first positioning surfaces of the two first lateral-pressing devices are moved to the same preset height, and a second positioning surface is pressed on top sides of the two battery modules, the two battery modules can float in the first direction so that the hanging lug of each battery module abuts against the corresponding first positioning surface.
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): H01M4/133, H01M4/02, H01M4/36, H01M4/587, H01M50/429, H01M50/434, H01M50/443, H01M50/446, H01M50/451, H01M50/457, H01M50/489
CPC Code(s): H01M4/133
Abstract: an electrode assembly includes a negative electrode plate, a positive electrode plate, and a separator located between the negative electrode plate and the positive electrode plate, where the negative electrode plate includes a negative electrode current collector, and a first negative electrode film layer and a second negative electrode film layer disposed on at least one surface of the negative electrode current collector; the first negative electrode film layer is located between the negative electrode current collector and the second negative electrode film layer and includes a first negative electrode active material, the first negative electrode active material includes graphite, the second negative electrode film layer includes a second negative electrode active material, and the second negative electrode active material includes hard carbon; and the separator includes a base film and a functional coating located at least on a side, against the negative electrode plate, of the base film.
Inventor(s): Jingyu GAO of Ningde (CN) for contemporary amperex technology co., limited, Haiming ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Chenglong YANG of Ningde (CN) for contemporary amperex technology co., limited, Xingxing LIU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/134, H01M4/02, H01M4/133, H01M4/36, H01M4/38, H01M4/587, H01M4/62, H01M10/0525, H01M10/42
CPC Code(s): H01M4/134
Abstract: a negative electrode plate includes a negative electrode current collector and a negative electrode film layer on at least one surface of the negative electrode current collector. the negative electrode film layer includes a negative electrode active material, a metal hydride, a conductive agent and a binder. the negative electrode active material includes a silicon-based negative electrode active material.
Inventor(s): Lingyun Feng of Ningde (CN) for contemporary amperex technology co., limited, Yanhuang Fan of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/36, H01M4/02, H01M4/58, H01M4/583, H01M4/62, H01M10/0525
CPC Code(s): H01M4/366
Abstract: provided are a cathode active material composition, a cathode plate, a secondary battery, a battery module, a battery pack, and an electric device. in particular, the present application provides a cathode active material composition, including a cathode active material and a dispersant. the cathode active material composition of the present application can improve the poor dispersion of the cathode active material powder and the high viscosity of the slurry during the preparation of the cathode slurry, and further improve flexibility of the cathode plate.
Inventor(s): Yale Wu of Ningde (CN) for contemporary amperex technology co., limited, Ming Zhang of Ningde (CN) for contemporary amperex technology co., limited, Jimin Yang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/36, B01J21/06, B01J23/745, B01J35/45, B01J37/02, B01J37/18, C01B32/162, C01B33/02, H01M4/02, H01M4/38, H01M4/587
CPC Code(s): H01M4/366
Abstract: provided are a silicon negative electrode material, which is characterized by comprising silicon particles and carbon nanotubes grown on the surface of the silicon particles, wherein the carbon nanotubes comprise fluffy carbon nanotubes and intertwined filamentary carbon nanotubes, and the silicon particles are wrapped by the fluffy carbon nanotubes and the filamentary carbon nanotubes. further provided is a method for preparing the silicon negative electrode material.
Inventor(s): Yalun GAO of Ningde (CN) for contemporary amperex technology co., limited, Wei CHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/04, H01M4/00, H01M4/02
CPC Code(s): H01M10/0431
Abstract: an electrode assembly includes a first electrode plate assembly and a second electrode plate assembly; wherein the first electrode plate assembly includes a first electrode plate and second electrode plate; the toughness of the first electrode plate is greater than the toughness of the second electrode plate; the first electrode plate is located upstream of the second electrode plate in a winding direction; a tail portion of the first electrode plate is adjacent to a head portion of the second electrode plate; and the second electrode plate assembly is wound together with the first electrode plate and the second electrode plate in the winding direction. by means of the technical solution, the requirements of the electrode assembly for having a high energy density and being less likely to break at a corner are taken into account by changing the structure of the first electrode plate assembly.
Inventor(s): Cuiping Zhang of Ningde (CN) for contemporary amperex technology co., limited, Changlong Han of Ningde (CN) for contemporary amperex technology co., limited, Peng Fan of Ningde (CN) for contemporary amperex technology co., limited, Zeli Wu of Ningde (CN) for contemporary amperex technology co., limited, Lei Huang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/0567, C01B35/12, C01G45/12, C01G53/00, H01M4/02, H01M4/505, H01M4/525, H01M10/0525, H01M10/0568, H01M10/42
CPC Code(s): H01M10/0567
Abstract: provided is a secondary battery. the secondary battery includes a positive electrode containing a positive electrode active material, a negative electrode, an electrolyte, and a separator, where the positive electrode active material contains a transition metal element, and a molar ratio of mn in the transition metal element, r(mn), satisfies 0.3≤r(mn)≤1; and the electrolyte contains an additive selected from at least one of a compound, a compound, and a compound capable of complexing manganese ions, and a compound serving as a lithium salt. a total mass percentage of the compound, compound, and compound in the electrolyte is w1%, where w1% is 0.1% to 5%; a molar ratio c1 (mol/l) of the compound in the electrolyte satisfies 0.2≤c1≤1.5; and r(mn), c1 and w1% satisfy the following relation: 13≤(100w1%+12c1)/r(mn)≤20.
Inventor(s): Hansen WANG of Ningde (CN) for contemporary amperex technology co., limited, Chengyong LIU of Ningde (CN) for contemporary amperex technology co., limited, Zhangdi Xie of Ningde (CN) for contemporary amperex technology co., limited, Shengyuan Huang of Ningde (CN) for contemporary amperex technology co., limited, Bobing Hu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/0569, H01M10/0567, H01M10/0568
CPC Code(s): H01M10/0569
Abstract: provided is an electrolyte, including a first solvent represented by formula i and a second solvent selected from one or more of formula ii and formula iii, where ris selected from c1-c6 fluoroalkyl; ris selected from a hydrogen atom, c1-c6 alkyl or c1-c6 fluoroalkyl; n represents 1 or 2; and rto rare each independently selected from a hydrogen atom, a fluorine atom, c1-c6 alkyl, or c1-c6 fluoroalkyl. the electrolyte of the disclosure can improve cycle stability and safety of the battery. a secondary battery including the electrolyte, a battery module, a battery pack, and an electrical device are also disclosed.
Inventor(s): Hansen WANG of Ningde (CN) for contemporary amperex technology co., limited, Chengyong LIU of Ningde (CN) for contemporary amperex technology co., limited, Zhangdi Xie of Ningde (CN) for contemporary amperex technology co., limited, Shengyuan Huang of Ningde (CN) for contemporary amperex technology co., limited, Bobing Hu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/0569, H01M10/0567, H01M10/0568
CPC Code(s): H01M10/0569
Abstract:
Inventor(s): Qiu JIN of Ningde (CN) for contemporary amperex technology co., limited, Xuehui WANG of Ningde (CN) for contemporary amperex technology co., limited, Xiaobo CHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/613, H01M10/42, H01M10/48, H01M10/633, H01M10/6568, H02J9/06
CPC Code(s): H01M10/613
Abstract: an energy storage system includes a plurality of batteries and a liquid cooling system, wherein the liquid cooling system includes a plurality of water pumps corresponding to the plurality of batteries and a thermal management unit. thermal management unit is configured to determine a first battery where a battery cell under thermal runaway is located, and to open a first water pump corresponding to the first battery, so as to cool the first battery.
Inventor(s): Lu HU of Ningde (CN) for contemporary amperex technology co., limited, Xiaobo CHEN of Ningde (CN) for contemporary amperex technology co., limited, Xuehui WANG of Ningde (CN) for contemporary amperex technology co., limited, Yupin LI of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/658, H01M50/24
CPC Code(s): H01M10/658
Abstract: provided are a battery cell, battery, and electrical device. the battery cell includes an outer shell and an insulating component. the insulating component covers at least a portion of an external surface of the outer shell. the insulating component includes at least one layer of a first insulation layer, wherein a material damage temperature of each layer of the first insulation layer is t, and a total thickness of at least one layer of the first insulation layer is l. it satisfies t≥400� c. and l≥30 �m. the first insulation layer of the insulating component possesses a higher material damage temperature and the total thickness of all the first insulation layers in the insulating component is thicker, so that the insulation properties of the insulating component can be maintained to be effective for a long period of time in a high-temperature environment.
Inventor(s): Xianglong DU of Ningde (CN) for contemporary amperex technology co., limited, Yikuang JIN of Ningde (CN) for contemporary amperex technology co., limited, Hu XU of Ningde (CN) for contemporary amperex technology co., limited, Shaojun NIU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/147, H01M50/342, H01M50/474
CPC Code(s): H01M50/147
Abstract: an end cover assembly includes an end cover and a current collecting member, and the end cover is provided with a pressure relief structure. the current collecting member is located on one side of the end cover facing the interior of the battery cell and including a current collecting portion and an assembling portion. the assembling portion is located between the end cover and the current collecting portion and is configured to be connected to the end cover and the current collecting portion. the current collecting portion is provided with a pressure relief hole for allowing fluid to pass. first supporting members and a second supporting member are separately arranged on two side surfaces, facing each other, of the end cover and the current collecting portion. projections of the first supporting members and a projection of the second supporting member are intersected in a thickness direction of the end cover.
Inventor(s): Wenlin Zhou of Ningde (CN) for contemporary amperex technology co., limited, Liangfan Xu of Ningde (CN) for contemporary amperex technology co., limited, Daowei Yang of Ningde (CN) for contemporary amperex technology co., limited, Jian Zhou 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): H01M50/15, H01M50/103, H01M50/131, H01M50/553
CPC Code(s): H01M50/15
Abstract: provided are an end cover assembly, a battery cell, a battery, and an electrical device, relating to the field of batteries. the end cover assembly includes an end cover, a groove, and a reinforcing portion. the end cover has a first surface and a second surface opposite in its thickness direction. the groove is recessed from the first surface in a direction towards the second surface. the reinforcing portion protrudes from the first surface and/or the second surface, and surrounds the groove.
Inventor(s): Wei CHEN of Ningde (CN) for contemporary amperex technology co., limited, Chuan LI of Ningde (CN) for contemporary amperex technology co., limited, Donglai ZHENG of Ningde (CN) for contemporary amperex technology co., limited, Qifan ZOU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/169, B60L50/60, H01M50/103, H01M50/107, H01M50/15, H01M50/152, H01M50/209, H01M50/213
CPC Code(s): H01M50/169
Abstract: a shell includes a body part, a thickened part connected to the body part and arranged at the opening of the shell, at least a portion of the thickened part having a wall thickness larger than that of the body part, in which the thickened part is provided with a support part for supporting the cover that closes the opening.
Inventor(s): Xiaofeng ZHEN of Ningde (CN) for contemporary amperex technology co., limited, Mingfeng LIN of Ningde (CN) for contemporary amperex technology co., limited, Bing CHEN of Ningde (CN) for contemporary amperex technology co., limited, Yuping HUANG of Ningde (CN) for contemporary amperex technology co., limited, Yidong SHEN of Ningde (CN) for contemporary amperex technology co., limited, Zhiling LI of Ningde (CN) for contemporary amperex technology co., limited, Haikun ZHAO of Ningde (CN) for contemporary amperex technology co., limited, Bangyong WANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/242, H01M50/209, H01M50/291
CPC Code(s): H01M50/242
Abstract: a battery includes a plurality of arranged battery cells; and a pressure regulating apparatus, including a body portion and a regulating valve, where the body portion is arranged between adjacent battery cells, a gas pipeline being formed in the body portion, and the regulating valve is arranged in the gas pipeline and configured to regulate pressure in the gas pipeline so as to adjust a gap between adjacent battery cells.
Inventor(s): Lei Li of Ningde (CN) for contemporary amperex technology co., limited, Chengdong Sun of Ningde (CN) for contemporary amperex technology co., limited, Yi Zheng of Ningde (CN) for contemporary amperex technology co., limited, Haiyang Kang of Ningde (CN) for contemporary amperex technology co., limited, Meihuang Chen of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/42
CPC Code(s): H01M50/42
Abstract: the present application relates to the technical field of secondary batteries, and in particular to a binder for secondary batteries and a preparation method thereof, as well as a separator, battery cell, battery and electrical apparatus comprising the binder. the binder for secondary batteries includes a first polymer and a second polymer, the first polymer includes an acrylate copolymer, and the second polymer includes a water-soluble polymer. when the separator is coated, the binder is stirred evenly in water, coated on the separator, and oven dried to form a bonding layer on the separator. the bonding layer includes a side facing the separator and a side away from the separator. the bonding layer is bonded on the separator, and the side away from the separator has no adhesiveness, which facilitates the winding and unwinding of the separator.
Inventor(s): Jianghui LIN of Ningde (CN) for contemporary amperex technology co., limited, Yanjie ZHAO 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
IPC Code(s): H01M50/446, H01M50/46, H01M50/491
CPC Code(s): H01M50/446
Abstract: a polymer-modified porous material, a membrane electrode, and applications thereof are disclosed. the polymer-modified porous material includes a porous material and a plurality of surface groups attached to the porous material; each of the surface groups includes a linking group and an adhesive group that are attached in sequence; the linking group has a structure represented by a structural unit i, wherein represents that o is linked to the porous material; the number of the structural units i in each of the surface groups is independent from each other; the total number n of moles of the structural units i in the polymer-modified porous material is 1,000-10,000; and the total number m of moles of the adhesive groups is 10-1,000, and n/m=10-1,000. the problem of serious self-discharge of existing membrane electrodes is alleviated.
Inventor(s): Jianghui LIN of Ningde (CN) for contemporary amperex technology co., limited, Yanjie ZHAO 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
IPC Code(s): H01M50/446, H01M50/46, H01M50/491
CPC Code(s): H01M50/446
Abstract:
Inventor(s): Huasheng SU of Ningde (CN) for contemporary amperex technology co., limited, Chengyou XING of Ningde (CN) for contemporary amperex technology co., limited, Chunguang XU 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): H01M50/474, H01M10/48, H01M50/107
CPC Code(s): H01M50/474
Abstract: the present application provides a battery cell, a battery, and an electrical device. the battery cell comprises a case, a cell, a first expandable member, and a second expandable member. the cell is arranged inside the case. there is a gap between an outer wall of the cell and an inner wall of the case. the first and second expandable members are both arranged in the gap and are configured to expand when encountering an electrolyte solution to fill the gap. the first and second expandable members are spaced apart and can expand when encountering the electrolyte solution. after expansion, the gap between the cell and the case can be reduced, thereby restricting relative movement between the cell and the case, reducing the possibility of fatigue fracture of connecting sheets, and contributing to protecting tabs.
Inventor(s): Shixiong ZHENG of Ningde (CN) for contemporary amperex technology co., limited, Bin ZHAO of Ningde (CN) for contemporary amperex technology co., limited, Dingshan YU of Ningde (CN) for contemporary amperex technology co., limited, Congcheng QI of Ningde (CN) for contemporary amperex technology co., limited, Hang DU of Ningde (CN) for contemporary amperex technology co., limited, Pengfei LI of Ningde (CN) for contemporary amperex technology co., limited, Yingjun LI of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/567, H01M50/15, H01M50/176, H01M50/188, H01M50/557
CPC Code(s): H01M50/567
Abstract: an end cover assembly includes: an end cover provided with an electrode lead-out hole; an electrode terminal including a terminal plate located on a side of the end cover and covering the electrode lead-out hole, with an outer peripheral surface protruding from an inner wall of the electrode lead-out hole; a sealing member at least partially disposed between the electrode terminal and the end cover; a fixing member configured to be connected to the end cover and surround the terminal plate so as to fix the electrode terminal onto the end cover, and including a flange extending in a direction approaching an axis of the electrode lead-out hole and located on a side of the terminal plate farther away from the end cover; and a heat-resistant part, at least a portion thereof is located between the flange and the electrode terminal in an axial direction of the electrode lead-out hole.
20240347883. TAB COATING DEVICE_simplified_abstract_(contemporary amperex technology co., limited)
Inventor(s): Fukang Cai of Ningde (CN) for contemporary amperex technology co., limited, Zhenfei Yang of Ningde (CN) for contemporary amperex technology co., limited, Yueming Xu of Ningde (CN) for contemporary amperex technology co., limited, Wenqi Zhu of Ningde (CN) for contemporary amperex technology co., limited, Kun Jin of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/586, H01M50/474
CPC Code(s): H01M50/586
Abstract: provided are a tab coating device. the tab coating device is configured to cover the insulating film on the end face of the tab of the tab coating device. it comprises a sleeve and a shaping piece. the sleeve is configured to be arranged on the outer peripheral surface of the electrode assembly in a sleeving mode. the shaping piece is configured to move along the axial direction of the sleeve and extend into the sleeve, to flatten the part of the insulating film that exceeds the end face of the tab onto the end face of the tab.
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on October 17th, 2024
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- B23K37/04
- B23K101/36
- CPC B23K37/0435
- Contemporary amperex technology co., limited
- H01M4/133
- H01M4/02
- H01M4/36
- H01M4/587
- H01M50/429
- H01M50/434
- H01M50/443
- H01M50/446
- H01M50/451
- H01M50/457
- H01M50/489
- CPC H01M4/133
- H01M4/134
- H01M4/38
- H01M4/62
- H01M10/0525
- H01M10/42
- CPC H01M4/134
- H01M4/58
- H01M4/583
- CPC H01M4/366
- B01J21/06
- B01J23/745
- B01J35/45
- B01J37/02
- B01J37/18
- C01B32/162
- C01B33/02
- H01M10/04
- H01M4/00
- CPC H01M10/0431
- H01M10/0567
- C01B35/12
- C01G45/12
- C01G53/00
- H01M4/505
- H01M4/525
- H01M10/0568
- CPC H01M10/0567
- H01M10/0569
- CPC H01M10/0569
- H01M10/613
- H01M10/48
- H01M10/633
- H01M10/6568
- H02J9/06
- CPC H01M10/613
- H01M10/658
- H01M50/24
- CPC H01M10/658
- H01M50/147
- H01M50/342
- H01M50/474
- CPC H01M50/147
- H01M50/15
- H01M50/103
- H01M50/131
- H01M50/553
- CPC H01M50/15
- H01M50/169
- B60L50/60
- H01M50/107
- H01M50/152
- H01M50/209
- H01M50/213
- CPC H01M50/169
- H01M50/242
- H01M50/291
- CPC H01M50/242
- H01M50/42
- CPC H01M50/42
- H01M50/46
- H01M50/491
- CPC H01M50/446
- CPC H01M50/474
- H01M50/567
- H01M50/176
- H01M50/188
- H01M50/557
- CPC H01M50/567
- H01M50/586
- CPC H01M50/586