CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on August 8th, 2024
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED on August 8th, 2024
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED: 41 patent applications
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED has applied for patents in the areas of H01M10/04 (8), H01M4/02 (7), H01M50/242 (4), H01M10/42 (4), H01M50/209 (4) H01M10/4235 (3), H01M50/242 (3), G06T7/001 (2), H01M10/0404 (2), C01G53/54 (2)
With keywords such as: battery, electrode, plate, member, cell, layer, provided, surface, assembly, and cells in patent application abstracts.
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor(s): Fei YE of Ningde (CN) for contemporary amperex technology co., limited, Guangcheng ZHONG of Ningde (CN) for contemporary amperex technology co., limited, Lei SONG of Ningde (CN) for contemporary amperex technology co., limited, Jinsong TAO of Ningde (CN) for contemporary amperex technology co., limited, Jianhua CHI of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): B01F35/21, B01F23/53, B01F35/22, B01F35/221, B01F35/71, B01F35/75, H01M4/04
CPC Code(s): B01F35/2136
Abstract: this application discloses a slurry processing apparatus and a battery processing device. the slurry processing apparatus may include a slurry mixing assembly, a viscosity monitoring assembly, a controller, and a suction pump. the slurry mixing assembly may be configured to mix a slurry. the viscosity monitoring assembly may be configured to monitor a viscosity parameter of the slurry in the slurry mixing assembly. the controller may be separately connected to the slurry mixing assembly and the viscosity monitoring assembly, and the controller may be configured to receive the viscosity parameter and control operation of the slurry mixing assembly based on the viscosity parameter. the suction pump may have an inlet, and the inlet of the suction pump may be connected to the slurry mixing assembly through a first pipe for sucking the slurry in the slurry mixing assembly.
Inventor(s): Yanlin SUN of Ningde (CN) for contemporary amperex technology co., limited, Yijun XIA of Ningde (CN) for contemporary amperex technology co., limited, Yonghua LUO of Ningde (CN) for contemporary amperex technology co., limited, Xueqing GONG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): B05C5/02, B05C11/10, H01M10/04
CPC Code(s): B05C5/0212
Abstract: a glue receiving mechanism and a glue coating device are provided. a glue receiving member is driven by a driving assembly to reciprocate between a glue receiving position and an avoidance position. when a member needs to be coated with the glue by the glue coating device, the glue receiving member is driven by the driving assembly to move to the avoidance position. at this time, the glue receiving member will not affect the process of coating the glue onto the member by a glue nozzle, so that the glue can be coated successfully. when the glue coating is completed, the driving assembly drives the glue receiving member to move from the avoidance position to the glue receiving position, and at this time, the glue receiving member can receive the residual glue from the glue nozzle and prevent the glue from sticking to the member coated with the glue.
Inventor(s): Liang ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Guangcheng ZHONG of Ningde (CN) for contemporary amperex technology co., limited, Lei SONG of Ningde (CN) for contemporary amperex technology co., limited, Shengdong CHEN of Ningde (CN) for contemporary amperex technology co., limited, Xuesong ZHUO of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): B08B15/04, B23K37/00
CPC Code(s): B08B15/04
Abstract: a welding dust removal apparatus may include a dust removal pipe, one end of the dust removal pipe communicating with a suction apparatus; and dust suction assemblies, each including a first dust suction member and a second dust suction member, where the first dust suction member may have a first dust suction opening and a first outlet communicating with each other, the second dust suction member may have a second dust suction opening and a second outlet communicating with each other, an electrode assembly may be placed between the first dust suction opening and the second dust suction opening, and both the first outlet and the second outlet may communicate with the other end of the dust removal pipe.
Inventor(s): Hao MENG of Ningde (CN) for contemporary amperex technology co., limited, Youcheng PAN of Ningde (CN) for contemporary amperex technology co., limited, Zhixin LUO of Ningde (CN) for contemporary amperex technology co., limited, Yuqian WEN of Ningde (CN) for contemporary amperex technology co., limited, Wenqi ZHU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): B21D51/26, H01M10/04
CPC Code(s): B21D51/2638
Abstract: a necking and flanging apparatus includes: an inner mold; a necking piece, disposed around the inner mold, where the necking piece is movable along a radial direction of the inner mold, and the necking piece is configured to coordinate with the inner mold to form a necked portion on a housing; and a press-fit piece, disposed around the inner mold, where the press-fit piece is movable along an axial direction of the inner mold, and the press-fit piece is configured to fit the necking piece to press and flatten the flanged portion of the housing.
Inventor(s): Zhenguo ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Sihui WANG of Ningde (CN) for contemporary amperex technology co., limited, Jingpeng FAN of Ningde (CN) for contemporary amperex technology co., limited, Na LIU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): C01G53/00
CPC Code(s): C01G53/54
Abstract: the present application provides a positive electrode active material of linimmno, −0.1≤x≤0.2, 0.4≤y≤0.6, 0≤z≤0.2, m is one or more of cr, mo, nb, ru, p, s, ta, w, tl, and ti, and in a first-cycle charging curve of a half battery of the positive electrode active material, a ratio of a charging capacity of 3.5 v-4.4 v to a charging capacity of 3.5 v-4.95 v is a, a meets 0.04≤a≤0.3, a product of k and a meets 0≤ka≤0.015, and the first-cycle charging curve is measured at a rate of 0.1 c. the positive electrode active material of the present application balances high kinetic performance and high chemical stability, and a corresponding secondary battery has both high-rate discharge capability and long-term storage stability.
Inventor(s): Jingpeng Fan of Ningde (CN) for contemporary amperex technology co., limited, Zhenguo Zhang of Ningde (CN) for contemporary amperex technology co., limited, Na Liu of Ningde (CN) for contemporary amperex technology co., limited, Qi Wu of Ningde (CN) for contemporary amperex technology co., limited, Qiang Chen of Ningde (CN) for contemporary amperex technology co., limited, Dong Zhao of Ningde (CN) for contemporary amperex technology co., limited, Jing Wang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): C01G53/00
CPC Code(s): C01G53/54
Abstract: provided is a spinel lithium nickel manganese oxide material, in which an xrd pattern of the spinel lithium nickel manganese oxide material satisfies: 0<(a(43.7�)/a(18.8�))≤0.2. the spinel lithium nickel manganese oxide material disclosed by the present disclosure can reduce oxygen defects, enhance stability of a crystal structure and reduce content of a rock salt phase.
20240263877. DRYING DEVICE_simplified_abstract_(contemporary amperex technology co., limited)
Inventor(s): Xuyong Liu of Ningde (CN) for contemporary amperex technology co., limited, Jingjing Pu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): F26B13/20, F26B21/00, F26B21/02, F26B21/12
CPC Code(s): F26B13/104
Abstract: the present application relates to a drying device used for drying a part to be dried. the drying device comprises a drying oven having a first surface and a second surface. the first surface and the second surface are arranged opposite to and spaced apart from each other to form a drying channel allowing the part to be dried to pass through; the first surface is provided with a first air blow port; the first surface and/or the second surface is provided with an air exhaust port; and the second surface is further provided with an air suction port.
Inventor(s): Jinbiao YE of Ningde (CN) for contemporary amperex technology co., limited, Fenggui ZENG of Ningde (CN) for contemporary amperex technology co., limited, Ying WU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): G01R31/52, G01R31/367, G01R31/3835
CPC Code(s): G01R31/52
Abstract: an electric leakage detection method is used for detecting an electric leakage region of a component to be tested, which includes a first surface and a second surface, the first surface being provided over at least part of the second surface, and the electric leakage detection method includes: arranging a first conductive element on a side of the first surface away from the second surface, and applying a voltage between the first conductive element and the second surface; and moving the first conductive element relative to the first surface, and determining, under a condition that a resistance between the first conductive element and the second surface is less than a preset resistance, a projection region of the first conductive element on the first surface as the electric leakage region.
20240264541. EXPOSURE APPARATUS_simplified_abstract_(contemporary amperex technology co., limited)
Inventor(s): Xiaosong LIU of Ningde (CN) for contemporary amperex technology co., limited, Keqiang LI 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): G03F7/00, G03F7/20
CPC Code(s): G03F7/70808
Abstract: an exposure apparatus includes a conveying mechanism and an exposure mechanism. the conveying mechanism is configured to convey a substrate, a surface of the substrate being coated with photoresist. the exposure mechanism includes an exposure source and an exposure member. the exposure source is configured to provide light to the substrate. the exposure member includes an exposure section opposite the substrate, where the exposure section is located between the exposure source and the substrate and disposed in close proximity to the substrate, the exposure section has a light-transmitting portion that allows light to be incident on the substrate and a light-shielding portion that prevents light from being incident on the substrate, and the exposure section is configured to keep the light-transmitting portion and the light-shielding portion in synchronized movement with the substrate.
Inventor(s): Shaosheng CHENG of Ningde (CN) for contemporary amperex technology co., limited, Wen YU of Ningde (CN) for contemporary amperex technology co., limited, Jiefei GONG of Ningde (CN) for contemporary amperex technology co., limited, Fengyu GUO of Ningde (CN) for contemporary amperex technology co., limited, Wei WANG of Ningde (CN) for contemporary amperex technology co., limited, Weidong SONG of Ningde (CN) for contemporary amperex technology co., limited, Gege CHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): G05B23/02
CPC Code(s): G05B23/0221
Abstract: a forming-machine equipment testing method includes: determining, by a scheduling host computer, an equipment transport task for equipment after a task start time of the equipment is reached, determining, by the scheduling host computer, whether the equipment meets the equipment transport task, and in response to the equipment meeting the equipment transport task, instructing, by scheduling host computer, an intelligent transport device to transport the equipment to a corresponding target location, so as to control the equipment to execute an equipment test task at the target location.
Inventor(s): Yongfa LIU of Ningde (CN) for contemporary amperex technology co., limited, Guannan JIANG of Ningde (CN) for contemporary amperex technology co., limited, Annan SHU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): G06T7/00
CPC Code(s): G06T7/001
Abstract: a method and a device for defect detection are provided. the method includes: obtaining a defect eigenvector of an image to be detected; calculating a similarity score of the image to be detected for each known defect type according to the defect eigenvector; and performing defect classification on the image to be detected according to the similarity score. the similarity score between the defect eigenvector of the image to be detected and each known defect type is calculated, and then it is possible to distinguish known defects from unknown defects and accurately classify the known defects according to the similarity scores, so as to effectively detect the defects.
Inventor(s): Yinhang TU of Ningde (CN) for contemporary amperex technology co., limited, Yunfei MA of Ningde (CN) for contemporary amperex technology co., limited, Kunpeng CUI of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): G06T7/00, G06T7/62
CPC Code(s): G06T7/001
Abstract: an electrode plate detection apparatus, method and system are disclosed. the electrode plate detection apparatus includes a detection module and a first image acquisition module. the first image acquisition module is configured to acquire images of different coating regions on an electrode plate, and send the images of the different coating regions to the detection module. the detection module is configured to detect the electrode plate according to the images of the different coating regions. as the first image acquisition module can be configured to implement the acquisition of the images of the different coating regions on the electrode plate, compared with the need to use different image acquisition modules for different coating regions, the number of the image acquisition modules can be reduced, thereby reducing the cost of the electrode plate detection apparatus.
Inventor(s): Qingyan Ma of Ningde (CN) for contemporary amperex technology co., limited, Yingjie Guan of Ningde (CN) for contemporary amperex technology co., limited, Yuzhen Zhao 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): H01M4/36, C01B25/45, C01B33/32, H01M4/02, H01M4/1315, H01M4/137, H01M4/505, H01M4/60
CPC Code(s): H01M4/366
Abstract: a positive electrode active material, a method for preparation thereof and a positive electrode plate, a secondary battery and an electrical device containing the same are provided. the positive electrode active material has a core-shell structure, comprising a core, a first cladding layer covering the core, a second cladding layer covering the first cladding layer, wherein the core has a chemical formula of liamnbpcod, the first cladding layer comprises a first polymer containing an electron withdrawing group, the second cladding layer comprises a second polymer, and wherein the second polymer comprises one or more of plant polysaccharides, marine polysaccharides and the derivatives thereof. the positive electrode active material of the present application enables a secondary battery to have a relatively high energy density, while further having a significantly improved rate performance, cycling performance and/or high-temperature stability.
Inventor(s): Shunli HE of Ningde (CN) for contemporary amperex technology co., limited, Zibin LIANG of Ningde (CN) for contemporary amperex technology co., limited, Yuhao WANG of Ningde (CN) for contemporary amperex technology co., limited, Qiang LI of Ningde (CN) for contemporary amperex technology co., limited, Wenguang LIN of Ningde (CN) for contemporary amperex technology co., limited, Xinxin ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Jinhua HE of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/485, H01M4/02, H01M4/36, H01M10/054
CPC Code(s): H01M4/485
Abstract: an electrode active material includes a layered metal oxide. the layered metal oxide has the following general formula: nam1m2mnof; where 0.55≤x≤0.85, a≥0, b≥0, 0.1≤a+b≤0.33, and 0.06≤z/(1−a−b)≤0.13; m1 is selected from one or more of alkali metal elements other than na and alkaline earth metal elements; and m2 is selected from one or more of transition metal elements other than mn.
Inventor(s): Haile Pei of Ningde (CN) for contemporary amperex technology co., limited, Cong Cheng of Ningde (CN) for contemporary amperex technology co., limited, Junguang Chen of Ningde (CN) for contemporary amperex technology co., limited, Bingzi Yang of Ningde (CN) for contemporary amperex technology co., limited, Shengwu Zhang 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, H01M4/02, H01M4/136, H01M4/58, H01M4/66
CPC Code(s): H01M4/622
Abstract: this application provides a conductive slurry, a current collector, a secondary battery, a battery module, a battery pack, and an electric apparatus. the conductive slurry in this application includes the following raw material components: an aqueous binder including an aqueous polymer having polycarboxyl functionality, a conductive agent, a dispersant, and a curing agent, where the curing agent is used for cross-linking reaction with the aqueous polymer having polycarboxyl functionality. the conductive slurry in embodiments of this application has relatively good conductivity and adhesion performance as well as relatively good water resistance, which can improve stability of the secondary battery during operation and prolong its cycle life.
Inventor(s): Qingqing ZHU of Ningde (CN) for contemporary amperex technology co., limited, Daichun TANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/66, H01M4/02, H01M4/04, H01M4/134, H01M4/38, H01M4/74, H01M10/052
CPC Code(s): H01M4/667
Abstract: a lithium metal negative electrode includes a substrate, lithium metal, and a fiber layer. the substrate includes a copper mesh. the copper mesh is plated with the lithium metal. the copper mesh and the fiber layer are composited. the copper mesh serves as a substrate support structure for supporting the lithium metal.
Inventor(s): Wen CHANG of Ningde (CN) for contemporary amperex technology co., limited, Chenghua FU of Ningde (CN) for contemporary amperex technology co., limited, Suogang Guo of Ningde (CN) for contemporary amperex technology co., limited, Yonghuang Ye of Ningde (CN) for contemporary amperex technology co., limited, Chang Zhu of Ningde (CN) for contemporary amperex technology co., limited, Wenge Han of Ningde (CN) for contemporary amperex technology co., limited, Yan Zhang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/66, H01M4/02, H01M4/13, H01M10/0583, H01M10/0585
CPC Code(s): H01M4/667
Abstract: this application discloses an electrode plate, an electrode assembly, a battery cell, a battery, and an electrical device. the electrode plate includes: a current collector, where the current collector includes a base film layer and metal layers, and the metal layers are disposed on the base film layer in a spaced-apart manner; and active material layers, where the active material layers are applied to the base film layer in a spaced-apart manner. each active material layer at least partially covers a corresponding metal layer.
Inventor(s): Jiaxi ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Jie GAO of Ningde (CN) for contemporary amperex technology co., limited, Yunjian MA of Ningde (CN) for contemporary amperex technology co., limited, Honggang YU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/70, H01M4/66, H01M50/536
CPC Code(s): H01M4/70
Abstract: an electrode plate includes a current collector and a tab. the current collector includes a coated region coated with an active substance layer and an uncoated region not coated with the active substance layer. in a width direction of the current collector, the uncoated region does not surpass the coated region. the tab is connected to the uncoated region.
Inventor(s): Yitai GUO of Ningde (CN) for contemporary amperex technology co., limited, Wu LIN of Ningde (CN) for contemporary amperex technology co., limited, Zhihui WANG of Ningde (CN) for contemporary amperex technology co., limited, Jiayi ZHAO of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/04, H01M10/613, H01M10/63, H01M10/6554, H01M10/6563, H01M10/658
CPC Code(s): H01M10/0404
Abstract: this application relates to the field of battery manufacturing technologies and provides a battery formation and grading device including: a box having an accommodating space; a temperature control apparatus, provided on the box, including a semiconductor cooling sheet, where two opposite sides of the semiconductor cooling sheet are configured as a cooling surface and a heating surface, the cooling surface being arranged facing the inside of the box and the heating surface being arranged facing the outside of the box. the technical solution of this application improves the efficiency of temperature control inside the battery formation and grading device and reduces the cost of temperature control.
Inventor(s): Zhiyang WU 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, Gang LIN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/04, B32B37/20, B32B38/00, B32B38/18, H01M10/0587, H01M50/46
CPC Code(s): H01M10/0404
Abstract: a manufacturing device for an electrode assembly comprises a first electrode plate feeding mechanism for conveying a first electrode plate, a first separator feeding mechanism for conveying a first separator, a second separator feeding mechanism for conveying a second separator, and a compounding mechanism provided downstream the first electrode plate feeding mechanism, the first separator feeding mechanism, and the second separator feeding mechanism. the compounding mechanism is used for sequentially laminating and compounding the first separator, the first electrode plate, and the second separator into a first electrode plate complex. the manufacturing device further comprises a second electrode plate feeding mechanism for conveying a second electrode plate having opposite polarity than the first electrode plate, and a winding mechanism provided downstream the compounding mechanism and the second electrode plate feeding mechanism and used for winding the first electrode plate complex and the second electrode plate to form an electrode assembly.
Inventor(s): Guohang LIAO of Ningde (CN) for contemporary amperex technology co., limited, Zhiyang WU of Ningde (CN) for contemporary amperex technology co., limited, Yiruo WANG of Ningde (CN) for contemporary amperex technology co., limited, Gang LIN of Ningde (CN) for contemporary amperex technology co., limited, Jinghua HUANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/04
CPC Code(s): H01M10/0431
Abstract: embodiments of this application provide an electrode assembly, a battery cell, a battery, and an electric apparatus. the electrode assembly includes a first electrode plate, a second electrode plate, and at least one separator for separating the first electrode plate from the second electrode plate. the first electrode plate and the second electrode plate have opposite polarities, and the first electrode plate, the second electrode plate, and at least one separator are wound together. a length of the at least one separator is l1, and a length of the first electrode plate is l2, where |l1−l2|≤50 mm.
Inventor(s): Zeli Wu of Ningde (CN) for contemporary amperex technology co., limited, Changlong Han of Ningde (CN) for contemporary amperex technology co., limited, Lei Huang of Ningde (CN) for contemporary amperex technology co., limited, Cuiping Zhang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/0567, H01M10/0525
CPC Code(s): H01M10/0567
Abstract: provided are a lithium-ion battery, including a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte, wherein in the battery, a ratio of a negative electrode capacity to a positive electrode capacity is a, and the electrolyte includes thiourea compounds in an amount of b weight % based on the total weight of the electrolyte, wherein the lithium-ion battery meets the following relationship: a<1.05; and 25�(1.05−a)≤b≤100�(1.05−a). due to the presence of a specific amount of thiourea compounds in the electrolyte, the battery has a lower cb value and, at the same time, exhibits good cycle performance.
Inventor(s): Qingrui XUE of Ningde (CN) for contemporary amperex technology co., limited, Wei LI of Ningde (CN) for contemporary amperex technology co., limited, Zige ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Yu ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Zhengyuan ZHAO of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/42, H01M4/04, H01M4/70, H01M10/04, H01M50/533, H01M50/536
CPC Code(s): H01M10/4235
Abstract: an electrode plate includes a current collector including a main body portion and a tab protruding from the main body portion, and an active layer applied onto at least one side of the main body portion. a thickness of the tab is greater than a thickness of the main body portion.
Inventor(s): Zeli WU of Ningde (CN) for contemporary amperex technology co., limited, Changlong HAN of Ningde (CN) for contemporary amperex technology co., limited, Jie GUO of Ningde (CN) for contemporary amperex technology co., limited, Huiling CHEN of Ningde (CN) for contemporary amperex technology co., limited, Lei HUANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/42, H01M4/02, H01M4/131, H01M4/525, H01M10/0525, H01M10/0567, H01M10/0568
CPC Code(s): H01M10/4235
Abstract: a secondary battery comprises an electrolyte solution and a positive electrode plate, wherein the positive electrode plate comprises a layered material with a molecular formula of linicom1m2oa, wherein 0.8≤a≤1.2, 0<b<0.98, 0≤c<0.1, 0<d<0.5, 0≤e≤0.5, 0≤f≤2, 0≤g≤2, b+c+d+e=1, and f+g=2; and the electrolyte solution comprises lithium tetrafluoroborate, and the mass percentage content of lithium tetrafluoroborate in the electrolyte solution is x %, based on the total mass of the electrolyte solution, and the secondary battery satisfies: x>0 and 0.05≤c+x/10≤0.15.
Inventor(s): Qingwei Yan of Ningde (CN) for contemporary amperex technology co., limited, Jiazheng Wang of Ningde (CN) for contemporary amperex technology co., limited, Xiaobin Dong of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/42, H01M4/02, H01M4/139, H01M4/62, H01M10/0525, H01M10/0587
CPC Code(s): H01M10/4235
Abstract: this application relates to a secondary battery including a positive electrode plate and a negative electrode plate. the positive electrode plate includes a positive electrode current collector and a positive electrode film layer provided on each of two surfaces of the positive electrode current collector, the negative electrode plate includes a negative electrode current collector and a negative electrode film layer provided on each of two surfaces of the negative electrode current collector, and the negative electrode film layer includes a reaction zone opposite the positive electrode film layer and a non-reaction zone not opposite the positive electrode film layer, where a barrier layer is provided on a surface of the non-reaction zone. this application also relates to a preparation method of secondary battery, a battery module, a battery pack, and an electric apparatus.
Inventor(s): Chao ZENG of Ningde (CN) for contemporary amperex technology co., limited, Zhiqiang Li of Ningde (CN) for contemporary amperex technology co., limited, Qingrong CHEN of Ningde (CN) for contemporary amperex technology co., limited, Shengwei WANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/654, H01M10/04, H01M10/617, H01M50/102
CPC Code(s): H01M10/654
Abstract: this application relates to a bottom support for battery cell, a battery cell, a battery, and an electric device. the bottom support is configured for supporting a jelly roll, and the bottom support includes a bottom plate, where the bottom plate includes a central region and a peripheral region surrounding the central region. the bottom plate is constructed to form at least one recessed group, and a recessed area increases gradually among the recessed group(s) in a direction from the peripheral region to the central region of the bottom plate. the bottom support for battery cell, the battery cell, the battery, and the electric device provided in this application reduce the probability of thermal runaway in the battery cell.
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): H01M10/6555, H01M10/613, H01M10/6568, H01M50/474, H01M50/489
CPC Code(s): H01M10/6555
Abstract: an embodiment of this application provides a battery, a method for manufacturing same, and an electrical device. the battery includes: a plurality of battery cells arranged along a first direction. each of the battery cells includes two first side faces disposed opposite to each other in the first direction, two second side faces disposed opposite to each other in a second direction, a top face and a bottom face disposed opposite to each other in a third direction, and two electrode terminals. the first direction, the second direction, and the third direction are orthogonal to each other. the first side faces are larger than the second side faces in area. the battery further includes a cooling component. the cooling component contains a cooling medium to cool the battery cells, and includes a cooling unit and an integrated unit.
Inventor(s): Endong XU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/658, F16L59/02, H01M10/647, H01M50/209
CPC Code(s): H01M10/658
Abstract: a battery includes: a plurality of battery cells, the plurality of battery cells comprising a first battery cell and a second battery cell that are adjacent to each other, wherein the first battery cell and the second battery cell are arranged in a first direction; and a heat insulation board, the heat insulation board being provided between the first battery cell and the second battery cell, wherein the heat insulation board comprises a first heat insulation layer, and the first heat insulation layer is a polymer matrix composite fiber board.
Inventor(s): Yizhen WU of Ningde (CN) for contemporary amperex technology co., limited, Jianxiong YANG of Ningde (CN) for contemporary amperex technology co., limited, Yanpeng LI of Ningde (CN) for contemporary amperex technology co., limited, Qifan ZOU of Ningde (CN) for contemporary amperex technology co., limited, Xiao XU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/148, B60K1/04, H01M50/169, H01M50/244, H01M50/249, H01M50/264, H01M50/271, H01M50/507, H01M50/618
CPC Code(s): H01M50/148
Abstract: a battery includes multiple battery cells, each battery cell includes shell, electrode terminal, and insulation layer, the shell includes a first wall, which includes a body and a first convex part, the body has an inner surface and an outer surface arranged oppositely in the thickness direction thereof, the first convex part protrudes from the outer surface in a direction away from the inner part of the battery cells, the electrode terminal is arranged on the body, and the insulation layer covers and is fixed on the first convex part; and a box, provided with an accommodating cavity with an opening, wherein the multiple battery cells are accommodated in the accommodating cavity, and the insulation layer binds with the cover piece covering the opening to fixedly connect the multiple battery cells to the cover piece.
Inventor(s): Qingpeng Ke of Ningde (CN) for contemporary amperex technology co., limited, 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): H01M50/242, B60K1/04, B60L50/64, H01M50/249, H01M50/262, H01M50/271
CPC Code(s): H01M50/242
Abstract: a box body for a battery, a battery, a power consumption apparatus, a method and apparatus for preparing the battery are provided in the present application, which can improve the mounting stability of the battery in the power consumption apparatus. the box body includes: a first partial box body, provided with a first hole; a mounting structural member, located in the box body and arranged corresponding to the first hole, where the mounting structural member is used for mounting the box body to a power consumption apparatus through the first hole; where an edge of the first hole is provided with a rigid structural member, and the rigid structural member abuts against the mounting structural member to prevent the mounting structural member from contacting the first partial box body.
Inventor(s): Yu Tang of Ningde (CN) for contemporary amperex technology co., limited, Zhimin Zeng of Ningde (CN) for contemporary amperex technology co., limited, Haiqi Yang of Ningde (CN) for contemporary amperex technology co., limited, Xiaoteng Huang of Ningde (CN) for contemporary amperex technology co., limited, Peng Wang of Ningde (CN) for contemporary amperex technology co., limited, Chenyi Xu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/242, H01M50/204, H01M50/244
CPC Code(s): H01M50/242
Abstract: a battery pack and an electric apparatus are disclosed. the battery pack includes a cell dummy and multiple battery cells, a housing, a mounting beam, and a support beam. the housing is provided with an accommodating cavity, and the cell dummy and the multiple battery cells are all disposed in the accommodating cavity. the mounting beam is disposed in a length direction of the accommodating cavity and defines, together with the accommodating cavity, a mounting space for accommodating the cell dummy and the multiple battery cells. the support beam is disposed in a width direction of the accommodating cavity and is mounted in a manner of fitting with the cell dummy. the cell dummy being provided with the support beam perpendicular to the mounting beam can enhance structural strength of the battery pack in the width direction of the accommodating cavity.
Inventor(s): Boxiang LIAO of Ningde (CN) for contemporary amperex technology co., limited, Qiuhong CAI of Ningde (CN) for contemporary amperex technology co., limited, 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, Zhiming CHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/242, H01M10/617, H01M10/6555, H01M10/6567, H01M10/658, H01M50/209, H01M50/291
CPC Code(s): H01M50/242
Abstract: a battery includes a battery cell and a thermal management component. the thermal management component is configured to exchange heat with the battery cell. the thermal management component is provided with an avoidance structure, and the avoidance structure is configured to provide a space for expansion of the battery cell.
Inventor(s): Chao LONG of Ningde (CN) for contemporary amperex technology co., limited, Xingdi CHEN of Ningde (CN) for contemporary amperex technology co., limited, Peng WANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/291, B60R16/033, H01M50/15, H01M50/209, H01M50/242, H01M50/249, H01M50/271, H01M50/55
CPC Code(s): H01M50/291
Abstract: a battery includes a box body, battery cells and a stabilizing assembly. the box body has a top and a bottom opposite to each other in a height direction of the box body. a plurality of battery cells are arranged upside down in the box body, and a top cover plate of each of the battery cells faces the bottom of the box body. the stabilizing assembly is fixedly connected to the battery cells.
Inventor(s): Liangyi WANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/298, H01M50/207, H01M50/22, H01M50/249, H01M50/262
CPC Code(s): H01M50/298
Abstract: a battery, an electric apparatus, and a battery assembling method are provided. the battery includes: a plurality of battery cells; a strap-shaped member disposed fixedly relative to the plurality of battery cells; an electrical connection member located adjacent to the strap-shaped member; and a trough-shaped member, integrally having at least a first accommodation trough and a second accommodation trough, where the strap-shaped member is accommodated in the first accommodation trough, the connection member is accommodated in the second accommodation trough, and a portion of the trough-shaped member is located between the strap-shaped member and the battery cells. the trough-shaped member fastens the electrical connection member relative to the battery cells, avoiding fracture of the electrical connection member due to fatigue caused by high-strength loads. the electrical connection member can also be isolated from a wire harness and an ambient metal member, isolating and protecting the electrical connection member.
Inventor(s): Wei LUO of Ningde (CN) for contemporary amperex technology co., limited, Longfei YANG of Ningde (CN) for contemporary amperex technology co., limited, Wenwei CHEN of Ningde (CN) for contemporary amperex technology co., limited, Limei YANG of Ningde (CN) for contemporary amperex technology co., limited, Qineng ZHONG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/342, H01M10/04
CPC Code(s): H01M50/3425
Abstract: a battery cell includes a casing configured to accommodate an electrode assembly, and a pressure relief mechanism disposed on the casing. the pressure relief mechanism includes a pressure relief passage, and a first pressure relief element and a second pressure relief element that are disposed on the pressure relief passage and close the pressure relief passage separately. in a venting direction of the pressure relief passage, the second pressure relief element is disposed upstream of the first pressure relief element and communicated with an internal space of the casing. the second pressure relief element has a rigidity of greater than or equal to 25 n/mm.
Inventor(s): Yao LI of Ningde (CN) for contemporary amperex technology co., limited, Xiaobo CHEN of Ningde (CN) for contemporary amperex technology co., limited, Qiu JIN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/375, H01M10/6556, H01M50/204, H01M50/342, H01M50/367
CPC Code(s): H01M50/375
Abstract: provided are a battery, an electric apparatus, a method for preparing battery, and an apparatus for preparing battery. the battery includes: a plurality of battery cells, including first battery cells and second battery cells, where a pressure relief mechanism is provided on both a first wall of the first battery cell and a second wall of the second battery cell; and a thermal management component, configured to accommodate fluid to regulate temperatures of the plurality of battery cells, where the thermal management component is attached to the first wall of the first battery cell and a first wall of the second battery cell, and is provided with a pressure relief region at a position corresponding to the pressure relief mechanism of the first battery cell, to discharge emissions from the first battery cell when the pressure relief mechanism of the first battery cell is actuated.
Inventor(s): Yuanyuan Lan of Ningde (CN) for contemporary amperex technology co., limited, Jianrui Yang of Ningde (CN) for contemporary amperex technology co., limited, Haiyi Hong of Ningde (CN) for contemporary amperex technology co., limited, Cong Cheng of Ningde (CN) for contemporary amperex technology co., limited, Na Liu 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, H01M50/417, H01M50/426, H01M50/449, H01M50/494
CPC Code(s): H01M50/446
Abstract: this application relates to a separator, including a substrate and a coating layer provided on at least one surface of the substrate. the coating layer includes organic particles and inorganic particles, the organic particles include first-type organic particles, the inorganic particles form an inorganic particle layer, and the first-type organic particles are embedded into the inorganic particle layer and form bulges on a surface of the inorganic particle layer. a number-based median particle size of the first-type organic particles is ≥12 �m, and a ratio of an average height of the bulges to a thickness of the inorganic particle layer is ≥4. this application further relates to a separator preparation method, a secondary battery containing such separator, and a related battery module, battery pack, and apparatus.
Inventor(s): Hui GU of Ningde (CN) for contemporary amperex technology co., limited, Haizu JIN of Ningde (CN) for contemporary amperex technology co., limited, Baiqing LI of Ningde (CN) for contemporary amperex technology co., limited, Fenggang ZHAO of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/533, H01M50/107, H01M50/152, H01M50/169
CPC Code(s): H01M50/533
Abstract: a battery cell includes: a housing, wherein an opening is provided at an end portion of the housing; an electrode assembly arranged inside the housing, the electrode assembly including an electrode body and a first tab, the first tab being leaded from one end of the electrode body; an end cap closing the opening, the outer periphery of the end cap being fixed to the housing by welding; and a conductive piece located between the electrode assembly and the end cap, the conductive piece being electrically connected to the first tab, the conductive piece being electrically connected to at least one of the end cap and the housing, and an outer edge of the conductive piece extending at a position close to a welding region.
Inventor(s): Liwen JIANG of Ningde (CN) for contemporary amperex technology co., limited, Wumei FANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/567, H01M50/209, H01M50/55, H01M50/557
CPC Code(s): H01M50/567
Abstract: an electrode terminal includes a pole body, where the pole body includes a first electrical connection portion and a second electrical connection portion that is electrically connected to the first electrical connection portion. the second electrical connection portion is adapted to the first electrical connection portion in shape, such that electrical connection between the electrode terminals of two battery cells is implemented through fitting in shape between the first electrical connection portion of the electrode terminal of one battery cell and the second electrical connection portion of the electrode terminal of the other battery cell.
Inventor(s): Lili WANG of Ningde (CN) for contemporary amperex technology co., limited, Pengfei LI of Ningde (CN) for contemporary amperex technology co., limited, Yaowen HU of Ningde (CN) for contemporary amperex technology co., limited, Congcheng QI of Ningde (CN) for contemporary amperex technology co., limited, Zhihong ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Shixiong ZHENG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/569, H01M10/42, H01M50/284
CPC Code(s): H01M50/569
Abstract: a battery sampling assembly includes a carrier part, a first sampling part, and a second sampling part. the first sampling part and the second sampling part are fixed to the carrier part, the first sampling part is configured to sample a first structure of the battery, and the second sampling part is configured to sample a second structure of the battery.
Inventor(s): Xing LI of Ningde (CN) for contemporary amperex technology co., limited, Shaojun NIU of Ningde (CN) for contemporary amperex technology co., limited, Zhenhua LI of Ningde (CN) for contemporary amperex technology co., limited, Liangfan XU of Ningde (CN) for contemporary amperex technology co., limited, Haizu JIN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/59, H01B3/24, H01M50/507
CPC Code(s): H01M50/59
Abstract: the present application relates to a battery and a power consuming device, the battery comprising: a box body internally having an accommodating cavity; a battery pack arranged in the accommodating cavity; and a conductive component arranged in the accommodating cavity and comprising at least one of a bus component, a signal transmission component, and a power output component of the battery pack, wherein the external part of at least one of the bus component, the signal transmission component, and the power output component is at least partially wrapped with an insulating medium.
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on August 8th, 2024
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- B01F35/21
- B01F23/53
- B01F35/22
- B01F35/221
- B01F35/71
- B01F35/75
- H01M4/04
- CPC B01F35/2136
- Contemporary amperex technology co., limited
- B05C5/02
- B05C11/10
- H01M10/04
- CPC B05C5/0212
- B08B15/04
- B23K37/00
- CPC B08B15/04
- B21D51/26
- CPC B21D51/2638
- C01G53/00
- CPC C01G53/54
- F26B13/20
- F26B21/00
- F26B21/02
- F26B21/12
- CPC F26B13/104
- G01R31/52
- G01R31/367
- G01R31/3835
- CPC G01R31/52
- G03F7/00
- G03F7/20
- CPC G03F7/70808
- G05B23/02
- CPC G05B23/0221
- G06T7/00
- CPC G06T7/001
- G06T7/62
- H01M4/36
- C01B25/45
- C01B33/32
- H01M4/02
- H01M4/1315
- H01M4/137
- H01M4/505
- H01M4/60
- CPC H01M4/366
- H01M4/485
- H01M10/054
- CPC H01M4/485
- H01M4/62
- H01M4/136
- H01M4/58
- H01M4/66
- CPC H01M4/622
- H01M4/134
- H01M4/38
- H01M4/74
- H01M10/052
- CPC H01M4/667
- H01M4/13
- H01M10/0583
- H01M10/0585
- H01M4/70
- H01M50/536
- CPC H01M4/70
- H01M10/613
- H01M10/63
- H01M10/6554
- H01M10/6563
- H01M10/658
- CPC H01M10/0404
- B32B37/20
- B32B38/00
- B32B38/18
- H01M10/0587
- H01M50/46
- CPC H01M10/0431
- H01M10/0567
- H01M10/0525
- CPC H01M10/0567
- H01M10/42
- H01M50/533
- CPC H01M10/4235
- H01M4/131
- H01M4/525
- H01M10/0568
- H01M4/139
- H01M10/654
- H01M10/617
- H01M50/102
- CPC H01M10/654
- H01M10/6555
- H01M10/6568
- H01M50/474
- H01M50/489
- CPC H01M10/6555
- F16L59/02
- H01M10/647
- H01M50/209
- CPC H01M10/658
- H01M50/148
- B60K1/04
- H01M50/169
- H01M50/244
- H01M50/249
- H01M50/264
- H01M50/271
- H01M50/507
- H01M50/618
- CPC H01M50/148
- H01M50/242
- B60L50/64
- H01M50/262
- CPC H01M50/242
- H01M50/204
- H01M10/6567
- H01M50/291
- B60R16/033
- H01M50/15
- H01M50/55
- CPC H01M50/291
- H01M50/298
- H01M50/207
- H01M50/22
- CPC H01M50/298
- H01M50/342
- CPC H01M50/3425
- H01M50/375
- H01M10/6556
- H01M50/367
- CPC H01M50/375
- H01M50/446
- H01M50/417
- H01M50/426
- H01M50/449
- H01M50/494
- CPC H01M50/446
- H01M50/107
- H01M50/152
- CPC H01M50/533
- H01M50/567
- H01M50/557
- CPC H01M50/567
- H01M50/569
- H01M50/284
- CPC H01M50/569
- H01M50/59
- H01B3/24
- CPC H01M50/59
