CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on December 12th, 2024
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED on December 12th, 2024
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED: 19 patent applications
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED has applied for patents in the areas of H01M4/02 (7), H01M4/36 (6), H01M50/249 (6), H01M4/58 (5), H01M4/62 (4) H01M4/366 (3), H01M10/0567 (2), H01M50/244 (2), G01R31/367 (1), H01M4/62 (1)
With keywords such as: battery, electrode, positive, cell, layer, plate, material, negative, portion, and arranged in patent application abstracts.
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor(s): Hongyang Liu of Ningde (CN) for contemporary amperex technology co., limited, Wei Zhao of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): G01R31/367, G01R31/36
CPC Code(s): G01R31/367
Abstract: embodiments of this application provide a battery fault detection system and method, and a device. the system includes: a first data warehouse, configured to store battery historical operation data; a fault detection module, configured to acquire corresponding battery historical operation data from the first data warehouse for feature extraction to obtain corresponding fault detection feature data; a batch computing module, configured to perform batch computing on the fault detection feature data through a batch computing engine to obtain corresponding intermediate parameters; and a stream computing platform, configured to acquire the intermediate parameters and battery real-time operation data in real time through a stream computing engine for fusion computations to obtain a fault detection result of a corresponding battery.
Inventor(s): Jingpeng FAN of Ningde, Fujian (CN) for contemporary amperex technology co., limited, Qi WU of Ningde, Fujian (CN) for contemporary amperex technology co., limited, Zhenguo ZHANG of Ningde, Fujian (CN) for contemporary amperex technology co., limited, Qiang CHEN of Ningde, Fujian (CN) for contemporary amperex technology co., limited, Dong ZHAO of Ningde, Fujian (CN) for contemporary amperex technology co., limited, Na LIU of Ningde, Fujian (CN) for contemporary amperex technology co., limited, Jing WANG of Ningde, Fujian (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/36, C01G53/00, H01M4/02, H01M4/505, H01M4/58, H01M10/052
CPC Code(s): H01M4/366
Abstract: this application provides a lithium-nickel-manganese-containing composite oxide, a preparation method thereof, and a positive electrode plate, secondary battery, and electric apparatus containing the same. the lithium-nickel-manganese-containing composite oxide has a core-shell structure and includes a core and a shell enveloping surface of the core, where the core includes li(nimn)mo. m includes one or more selected from mg, elements from group ivb to group vib, elements from group iiia to group va, and lanthanide elements, where 0.95≤x≤1.10, 0.40≤y≤0.60, and 0.001≤m≤0.015. the shell includes lithium aluminum phosphate and optionally includes lithium aluminum phosphate and aluminum phosphate.
Inventor(s): Yibo Shang of Ningde (CN) for contemporary amperex technology co., limited, Xiaofu Xu of Ningde (CN) for contemporary amperex technology co., limited, Jianfu Pan of Ningde (CN) for contemporary amperex technology co., limited, Xinyu Zhang of Ningde (CN) for contemporary amperex technology co., limited, Qian Liu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/36, H01M4/02, H01M4/58, H01M4/62
CPC Code(s): H01M4/366
Abstract: provided are a positive electrode material and a preparation method thereof, a composite positive electrode material, a positive electrode plate, and a secondary battery. the positive electrode material includes: a core, a first shell layer, and a second shell layer. the first shell layer wraps around a surface of the core. the second shell layer wraps around a surface of the first shell layer. the core includes a lithium manganese iron phosphate material. the first shell layer includes a polyanionic positive electrode material. the polyanionic positive electrode material contains no manganese. the second shell layer includes a hydrophobic conductive material. when ensuring a relatively high energy density of the lithium manganese iron phosphate material, the positive electrode material improves the electrical conductivity of the lithium manganese iron phosphate material, alleviates the problem of hygroscopicity, and reduces manganese dissolution during cycling.
Inventor(s): Tianci Yuan of Ningde (CN) for contemporary amperex technology co., limited, Yao Jiang of Ningde (CN) for contemporary amperex technology co., limited, Xinxin Zhang of Ningde (CN) for contemporary amperex technology co., limited, Chuying Ouyang of Ningde (CN) for contemporary amperex technology co., limited, Shangdong Chen of Ningde (CN) for contemporary amperex technology co., limited, Lingjing Wu of Ningde (CN) for contemporary amperex technology co., limited, Weibin Kang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/36, C01B25/45, H01M4/02, H01M4/58, H01M4/62
CPC Code(s): H01M4/366
Abstract: provided are a positive electrode active material and a preparation method thereof, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric apparatus. the positive electrode active material includes a core and a shell layer enveloping the core, the core having a chemical formula liamnbpcod, where a includes one or more elements selected from zn, al, na, k, mg, nb, mo, and w, b includes one or more elements selected from ti, v, zr, fe, ni, mg, co, ga, sn, sb, nb, and ge, c includes one or more elements selected from b, s, si, and n, and d includes one or more elements selected from s, f, cl, and br; and the shell layer is a doped carbon layer, a doping element in the doped carbon layer including any one or more selected from nitrogen, phosphorus, sulfur, boron, and fluorine.
Inventor(s): Jiazheng Wang of Ningde (CN) for contemporary amperex technology co., limited, Qingwei Yan of Ningde (CN) for contemporary amperex technology co., limited, Xiaobin Dong of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/62, B60L50/64, H01M4/02, H01M4/133, H01M4/36, H01M4/587
CPC Code(s): H01M4/62
Abstract: provided are a battery cell, a battery and an electric device. the battery cell includes a positive electrode plate and a negative electrode plate, the negative electrode plate includes a negative electrode current collector, a negative electrode active material layer arranged on at least one surface of the negative electrode current collector, and a lithium supplement layer, wherein the negative electrode active material layer includes a first portion and a second portion connected with the first portion, the first portion exceeds the positive electrode plate, the second portion is arranged corresponding to the positive electrode plate, and the lithium supplement layer is arranged on at least part of a surface of the first portion away from the negative electrode current collector. the negative electrode plate of the present application can improve the first coulomb efficiency, cycle performance and storage performance of the battery cell.
Inventor(s): Chengmei Zhang of Ningde (CN) for contemporary amperex technology co., limited, Kun Qiu of Ningde (CN) for contemporary amperex technology co., limited, Ying Wu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/04
CPC Code(s): H01M10/0481
Abstract: provided are a cell module stacking device and a cell module stacking method. the stacking device for the cell module includes a rack, a support mechanism, a pressing mechanism, and a tray. the support mechanism is configured to support a plurality of cells. the pressing mechanism is connected to the rack. a part of the pressing mechanism is movable in an axial direction of the support mechanism. the pressing mechanism is configured to press the plurality of cells into a cell module. the tray is disposed on the rack in such a manner that the tray is movable relative to the rack and is configured to support the cell module.
Inventor(s): Meng Qin of Ningde (CN) for contemporary amperex technology co., limited, Yingjie Guan of Ningde (CN) for contemporary amperex technology co., limited, Qingyan Ma of Ningde (CN) for contemporary amperex technology co., limited, Huiling Yang of Ningde (CN) for contemporary amperex technology co., limited, Yan Wen of Ningde (CN) for contemporary amperex technology co., limited, Qisen Huang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/0567, H01M4/04, H01M4/62, H01M10/054, H01M10/0569, H01M50/249
CPC Code(s): H01M10/0567
Abstract: provided is a secondary battery including a positive electrode plate, a negative electrode plate, and an electrolyte. the positive electrode plate includes a positive current collector and a positive active material layer arranged on the positive current collector, and the positive active material layer contains a sodium ion active material. the negative electrode plate includes a negative current collector and a metal film layer arranged on at least one surface of the negative current collector. a nucleation overpotential of sodium on the negative electrode plate is smaller than or equal to 35 mv. the electrolyte is arranged between the positive electrode plate and the negative electrode plate, and the electrolyte contains a sodium borate.
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): H01M10/0567, H01M4/02, H01M4/36, H01M4/525, H01M4/58, H01M10/0525
CPC Code(s): H01M10/0567
Abstract: the present application provides a secondary battery, a battery module, a battery pack and an electrical device containing the same. the secondary battery comprises a positive electrode plate, and a non-aqueous electrolytic solution, wherein the positive electrode plate comprises a positive electrode active material with a core-shell structure, and the positive electrode active material comprises a core and a shell covering the core, the core comprises limnapro, the shell comprises a first cladding layer covering the core and a second cladding layer covering the first cladding layer, and the non-aqueous electrolytic solution comprises a first additive comprising one or more of the compounds shown in formula 1. the present application enables the secondary battery to simultaneously have high energy density with good rate performance, cycling performance, storage performance and safety performance.
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): H01M10/0567, H01M4/02, H01M4/36, H01M4/525, H01M4/58, H01M10/0525
CPC Code(s): H01M10/0567
Abstract:
o═c═n—r—n═c═o formula 1
Inventor(s): Meng Qin of Ningde (CN) for contemporary amperex technology co., limited, Yingjie Guan of Ningde (CN) for contemporary amperex technology co., limited, Qingyan Ma of Ningde (CN) for contemporary amperex technology co., limited, Huiling Yang of Ningde (CN) for contemporary amperex technology co., limited, Yan Wen of Ningde (CN) for contemporary amperex technology co., limited, Qisen Huang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/42, H01M4/02, H01M4/587, H01M10/0568, H01M10/0569
CPC Code(s): H01M10/4235
Abstract: provided is a secondary battery including a positive electrode plate, a negative electrode plate, and an electrolyte. the positive electrode plate includes a positive current collector and a positive active material layer arranged on the positive current collector, and the positive active material layer contains a sodium ion active material. the negative electrode plate includes a negative current collector and a negative film layer arranged on at least one surface of the negative current collector, and the negative film layer contains a carbon material. the electrolyte is arranged between the positive electrode plate and the negative electrode plate, and the electrolyte contains a sodium borate.
Inventor(s): Runyong HE of Ningde (CN) for contemporary amperex technology co., limited, Xingdi CHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/653, B60L50/64, H01M10/613, H01M10/625, H01M10/647, H01M10/6554, H01M10/656, H01M50/209, H01M50/211
CPC Code(s): H01M10/653
Abstract: a battery and an electrical apparatus are provided. the battery includes a box, a battery cell, and a thermally conductive member for accommodating a heat exchange medium. an accommodating cavity of the box includes a top wall and a bottom wall which are oppositely arranged in a vertical direction, and the battery cell is accommodated in the accommodating cavity. the battery cell includes an electrode terminal, and the battery cell is fixed in the accommodating cavity so that the electrode terminal faces the bottom wall of the accommodating cavity. the battery cell includes a first wall which is the wall with the largest area in the battery cell. the thermally conductive member is provided in the accommodating cavity and arranged opposite and thermally conductively connected to the first wall, and the heat exchange medium exchanges heat with the battery cell through the thermally conductive member.
Inventor(s): Guojie Wei of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/6569, H01M10/42, H01M10/613, H01M10/63
CPC Code(s): H01M10/6569
Abstract: this application discloses a temperature management device and a test system. the temperature management device is configured to perform temperature management on a battery pack cooled by a refrigerant. the temperature management device includes a first port configured to detachably connect to a refrigerant outlet of the battery pack; a second port configured to detachably connect to a refrigerant inlet of the battery pack; a compressor; a condenser; an expansion valve; and a pressure regulating valve, which is configured to regulate pressure of gas discharged from the refrigerant outlet of the battery pack so that a pressure value of gas discharged from the second end of the pressure regulating valve to the inlet of the compressor is within a preset range. the temperature management device and test system of the embodiments of this application can maintain a stable and suitable temperature for the battery pack in a battery pack test.
Inventor(s): Lijun Hu of Ningde (CN) for contemporary amperex technology co., limited, Yuepan Hou of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/242, H01M10/613, H01M10/625, H01M10/6557, H01M50/289
CPC Code(s): H01M50/242
Abstract: the present application discloses a thermal management device, a battery, and a power consuming device. the thermal management device according to an embodiment of the present application comprises: a heat exchange body comprising a top wall and a bottom wall that are arranged opposite each other in its own thickness direction, and a receiving cavity located between the top wall and the bottom wall, the receiving cavity being configured to receive a heat exchange medium, wherein in the thickness direction, one or each of the top wall and the bottom wall is recessed in a direction approaching the other to form a recessed cavity, and the recessed cavity is configured to provide an expansion space for a battery cell. the thermal management device according to the embodiment of the present application can absorb a squeezing stress and maintain a cooling effect.
Inventor(s): Pengcheng YAO of Ningde (CN) for contemporary amperex technology co., limited, Wenhui ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Xingdi CHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/244, H01M4/02, H01M4/36, H01M4/58, H01M10/0525, H01M50/242, H01M50/249, H01M50/296, H01M50/505, H01M50/578
CPC Code(s): H01M50/244
Abstract: a battery and an electrical apparatus are provided. the battery comprises a box and a battery cell, wherein an accommodating cavity is provided within the box, the accommodating cavity comprises a top wall and a bottom wall which are oppositely arranged in a vertical direction, the battery cell is provided within the accommodating cavity, and comprises an electrode assembly and an electrode terminal, wherein the electrode assembly is electrically connected to the electrode terminal, the battery cell is fixed within the accommodating cavity, and the electrode terminal is arranged towards the bottom wall of the accommodating cavity.
Inventor(s): Xingdi Chen of Ningde (CN) for contemporary amperex technology co., limited, Chao Long of Ningde (CN) for contemporary amperex technology co., limited, Peng Wang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/244, H01M50/15, H01M50/209, H01M50/249, H01M50/505, H01M50/578
CPC Code(s): H01M50/244
Abstract: embodiments of the present application provide a battery and an electrical apparatus. the battery includes a box body, a cover body, battery cells, and a carrying assembly. a bottom of the box body is provided with an opening. the cover body covers the opening, and is fixedly connected to the box body. a plurality of battery cells are arranged in the box body, and a top cover plate of each of the battery cells faces the opening and is arranged upside down in the box body. the carrying assembly is arranged between the battery cells and the cover body to support and carry the battery cells. according to the embodiments of the present application, the structural stability and the safety of the battery can be improved.
Inventor(s): Ou Qian of Ningde (CN) for contemporary amperex technology co., limited, Yao Li of Ningde (CN) for contemporary amperex technology co., limited, Xiaobo Chen of Ningde (CN) for contemporary amperex technology co., limited, Piaopiao Yang of Ningde (CN) for contemporary amperex technology co., limited, Mingguang Gu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/342, F16K17/16
CPC Code(s): H01M50/3425
Abstract: provided are a pressure relief structure, comprising a carrier substrate, the carrier substrate having a pressure relief portion and a remaining area other than the pressure relief portion, with the thickness of the pressure relief portion being smaller than that of the remaining area. the ratio of the thickness of the pressure relief portion to the length of the carrier substrate in a first direction is denoted as a, where a is greater than 5.6�10and less than 0.028, and/or the ratio of the thickness of the pressure relief portion to the width of the carrier substrate in a second direction is denoted as b, where b is greater than 5�10and less than 0.1. the first direction, the second direction and a thickness direction of the pressure relief portion intersect with each other.
Inventor(s): Liqin Wang of Ningde (CN) for contemporary amperex technology co., limited, Quankun Li of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/30, B60L50/64, H01M50/15
CPC Code(s): H01M50/394
Abstract: an end cover assembly, a battery, and an electric device are provided. the end cover assembly is applied to a battery and includes an end cover, a breather valve, and a protective patch. the end cover has a first side facing inside of the battery and a second side opposite the first side and includes a first channel in communication with the first side and the second side. the breather valve includes a gas-permeable membrane in gas communication with the first channel. the gas-permeable membrane includes a gas-permeable portion opened towards the second side of the end cover. the protective patch is provided on the second side of the end cover and covers the gas-permeable portion. the battery includes the end cover assembly. the electric device includes the battery.
Inventor(s): Chengyou Xing of Ningde (CN) for contemporary amperex technology co., limited, Huasheng Su of Ningde (CN) for contemporary amperex technology co., limited, Quankun Li of Ningde (CN) for contemporary amperex technology co., limited, Weirong Zhuo of Ningde (CN) for contemporary amperex technology co., limited, Haizu Jin of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/536, H01M50/143, H01M50/179, H01M50/249
CPC Code(s): H01M50/536
Abstract: a battery cell, a battery, and an electric apparatus are provided. the battery cell includes a housing, an electrode lead-out member, an electrode assembly, and an adapter member. the housing is provided with an accommodating cavity. the electrode lead-out member is disposed at the housing. the electrode assembly is accommodated in the accommodating cavity, where the electrode assembly includes a main body portion and a tab led out of the main body portion. the adapter member is configured to connect the tab and the electrode lead-out member, and a light absorbing layer is applied to a welding position of the adapter member. the light absorbing layer is applied to the surface of the adapter member to reduce reflection, increasing the energy absorption rate of the adapter member, and lowering the welding power, and reducing the possibility of other components of the battery cell being burned, thus improving the safety of the battery cell.
Inventor(s): Yiyang WU of Ningde (CN) for contemporary amperex technology co., limited, Yonghuang YE of Ningde (CN) for contemporary amperex technology co., limited, Kai WU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/538, H01M10/0587, H01M10/613, H01M10/625, H01M10/647, H01M10/6554, H01M50/103, H01M50/249
CPC Code(s): H01M50/538
Abstract: a battery cell includes a shell and two electrode assemblies located in the shell. each electrode assembly includes a main body portion and a first tab and a second tab extending from the main body portion and having opposite polarities. the battery cell includes a first side and a second side oppositely arranged in a height direction of the battery cell. the main body portion of the first electrode assembly has the first tab and the second tab extending from the first side and the first tab extending from the second side. the main body portion of the second electrode assembly has the second tab extending from the first side and the first tab extending from the second side. the two second tabs located on the first side are electrically connected to each other, and the two first tabs located on the second side are electrically connected to each other.
Inventor(s): Long Chen of Ningde (CN) for contemporary amperex technology co., limited, Denghua Lin of Ningde (CN) for contemporary amperex technology co., limited, Shoujun Huang of Ningde (CN) for contemporary amperex technology co., limited, Xinxiang Chen of Ningde (CN) for contemporary amperex technology co., limited, Yulian Zheng of Ningde (CN) for contemporary amperex technology co., limited, Peng Wang of Ningde (CN) for contemporary amperex technology co., limited, Haizu Jin of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/627, H01M50/103, H01M50/15, H01M50/249, H01M50/578, H01M50/593, H01M50/682
CPC Code(s): H01M50/627
Abstract: the present application provides a battery cell, a battery, an electrical device, and a method and device for manufacturing a battery cell. the battery cell comprises: a housing, a first wall of the housing being provided with a liquid injection hole; a first electrode assembly and a second electrode assembly; an insulating structure arranged between the two electrode assemblies and comprising a second wall and a third wall; a first surface of the insulating structure facing the first wall is provided with a third through hole, the third through hole being used for guiding into the insulating structure an electrolyte injected through the liquid injection hole, so that the electrolyte in the insulating structure flows through the first through hole towards the first electrode assembly and flows through the second through hole towards the second electrode assembly.
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on December 12th, 2024
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- G01R31/367
- G01R31/36
- CPC G01R31/367
- Contemporary amperex technology co., limited
- H01M4/36
- C01G53/00
- H01M4/02
- H01M4/505
- H01M4/58
- H01M10/052
- CPC H01M4/366
- H01M4/62
- C01B25/45
- B60L50/64
- H01M4/133
- H01M4/587
- CPC H01M4/62
- H01M10/04
- CPC H01M10/0481
- H01M10/0567
- H01M4/04
- H01M10/054
- H01M10/0569
- H01M50/249
- CPC H01M10/0567
- H01M4/525
- H01M10/0525
- H01M10/42
- H01M10/0568
- CPC H01M10/4235
- H01M10/653
- H01M10/613
- H01M10/625
- H01M10/647
- H01M10/6554
- H01M10/656
- H01M50/209
- H01M50/211
- CPC H01M10/653
- H01M10/6569
- H01M10/63
- CPC H01M10/6569
- H01M50/242
- H01M10/6557
- H01M50/289
- CPC H01M50/242
- H01M50/244
- H01M50/296
- H01M50/505
- H01M50/578
- CPC H01M50/244
- H01M50/15
- H01M50/342
- F16K17/16
- CPC H01M50/3425
- H01M50/30
- CPC H01M50/394
- H01M50/536
- H01M50/143
- H01M50/179
- CPC H01M50/536
- H01M50/538
- H01M10/0587
- H01M50/103
- CPC H01M50/538
- H01M50/627
- H01M50/593
- H01M50/682
- CPC H01M50/627