CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on September 19th, 2024
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED on September 19th, 2024
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED: 39 patent applications
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED has applied for patents in the areas of H01M10/04 (9), H01M50/249 (8), H01M50/342 (5), H01M50/103 (5), H01M10/613 (4) H01M50/3425 (4), H01M4/622 (2), H01M10/6557 (2), H01M50/497 (1), H01M50/367 (1)
With keywords such as: battery, electrode, portion, cell, body, assembly, direction, plate, cover, and provided in patent application abstracts.
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor(s): Yijun XIA of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): B23P19/00, B21J15/32, B23P19/06, B25J15/00
CPC Code(s): B23P19/004
Abstract: an assembly mechanism includes an actuator, a first drive unit, and a first detector. the first drive unit is connected to the actuator, and the first drive unit is used for driving the actuator to move in a first direction, so that the actuator assembles a fastener. the first detector is used for obtaining a magnitude of a pressure acting on the fastener by the actuator and generating a pressure signal, and the first drive unit responds to the pressure signal to control the magnitude of the pressure acting on the fastener by the actuator within a preset range.
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, Zhiqiang Wang of Ningde (CN) for contemporary amperex technology co., limited, Shaojun Liu of Ningde (CN) for contemporary amperex technology co., limited, Bin Deng of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): C01G45/12, H01M4/02, H01M4/04, H01M4/1391, H01M4/36, H01M4/58, H01M4/583
CPC Code(s): C01G45/1242
Abstract: the present application provides a positive electrode active material, a method for the preparation thereof and a positive electrode plate, a secondary battery and an electrical device containing the same. the positive electrode active material having a core-shell structure, comprising a core and a shell covering the core, wherein the core has a chemical formula of liamnbpcod, the shell comprises a first cladding layer covering the core, and a second cladding layer covering the first cladding layer, wherein the first cladding layer comprises pyrophosphate mpoand phosphate xpo, and the second cladding layer comprises carbon. the positive electrode active material of the present application enables the secondary battery and electrical device to have a relatively high energy density, and good cycling performance, rate performance and safety performance.
20240309515. ETCHING DEVICE_simplified_abstract_(contemporary amperex technology co., limited)
Inventor(s): Keqiang Li of Ningde (CN) for contemporary amperex technology co., limited, Xiaosong Liu of Ningde (CN) for contemporary amperex technology co., limited, Zhiyang Wu of Ningde (CN) for contemporary amperex technology co., limited, Yi Lu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): C23F1/08, C23F1/02
CPC Code(s): C23F1/08
Abstract: provided an etching device that is capable of effectively realizing an opening structure with low cost and simplified process. the etching device includes: a porous roller, the porous roller being a hollow structure with openings at both ends, an etching liquid being accommodated in the hollow structure, and the porous roller being provided with a plurality of openings; a pressing roller, attached to the porous roller and arranged above the liquid level of the etching liquid, for pressing and attaching a metal layer to be etched onto the surface of the porous roller; wherein during rotation of the porous roller, the etching liquid passes through at least part of the openings of the plurality of openings and continuously soaks the metal layer in contact with the at least part of the openings, so as to continuously etch the metal layer in contact with the at least part of the openings.
Inventor(s): Zhijie HUANG of Ningde (CN) for contemporary amperex technology co., limited, Huimin MIAO of Ningde (CN) for contemporary amperex technology co., limited, Xiaoyin YU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): F16K17/04, H01M10/04, H01M50/333
CPC Code(s): F16K17/0413
Abstract: a pressure relief mechanism includes: a pedestal, a cover assembly, and a position limiter. an exhaust port is provided on the pedestal. the cover assembly is configured to close or open the exhaust port. the position limiter is snap-fastened to the cover assembly. the position limiter includes a first elastomer and a first limiting portion. the first limiting portion is configured to: when the cover assembly closes the exhaust port, restrict the position limiter from moving relative to the pedestal; and when a pressure in the box increases, make the position limiter move along an opening direction of the cover assembly to free the first limiting portion from constraint of the pedestal and enable the position limiter to rotate relative to the cover assembly under resilience of the first elastomer.
Inventor(s): Guangsheng CHEN of Ningde (CN) for contemporary amperex technology co., limited, Haohao YAN of Ningde (CN) for contemporary amperex technology co., limited, Jiancheng CAI of Ningde (CN) for contemporary amperex technology co., limited, Ganyu XU of Ningde (CN) for contemporary amperex technology co., limited, Haohua YU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): F28C3/04
CPC Code(s): F28C3/04
Abstract: the present application relates to a drying apparatus and a system for preparing batteries. the drying apparatus includes a drying tower and a cooling mechanism. the cooling mechanism is disposed on the drying tower, and the cooling mechanism is used for cooling the inner wall of the drying tower, so that the temperature of the inner wall of the drying tower is controlled within the required temperature range. in this way, when the drying tower performs spray drying operation, after the material is in contact with the inner wall of the drying tower, the phenomenon that the material melts because of a high temperature of the inner wall and adheres to the inner wall is avoided. this reduces the probability of the material hanging on the wall, thereby improves the production rate and granulation quality of the material.
Inventor(s): Baiquan Zhao of Ningde (CN) for contemporary amperex technology co., limited, Xianfeng Xie of Ningde (CN) for contemporary amperex technology co., limited, Hongyuan Li of Ningde (CN) for contemporary amperex technology co., limited, Jun Hu of Ningde (CN) for contemporary amperex technology co., limited, Shiping Feng of Ningde (CN) for contemporary amperex technology co., limited, Qian Wu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): G06T7/00, G06V10/22, G06V10/44
CPC Code(s): G06T7/0004
Abstract: the disclosure discloses a marking method and apparatus of a continuous composite strip. the method incudes: collecting a first sequence of images of the continuous composite strip; splicing multiple images of the first sequence of images according to a collection sequence, to obtain a to-be-detected image with at least one electrode sheet structure; and marking, in case where two electrode sheet edges are identified in the to-be-detected image, a position of the collection-sequentially second electrode sheet edge in the continuous composite strip as an electrode sheet division position of the continuous composite strip. the method determines the electrode sheet division position by identifying the electrode sheet edges in the continuous composite strip, obtains the specific position information of the electrode sheet, and accurately performs the sheet division marking of the continuous composite strip.
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): H01M4/36, H01M4/02, H01M4/505, H01M4/525, H01M4/58, H01M50/249
CPC Code(s): H01M4/366
Abstract: a positive electrode plate includes a current collector and an electrode membrane formed on at least one surface of the current collector. the electrode membrane includes a first positive electrode active substance layer and a second positive electrode active substance layer, and the first positive electrode active substance layer is located between the current collector and the second positive electrode active substance layer. a first positive electrode active substance material in the first positive electrode active substance layer contains hollow particles, and a second positive electrode active substance material in the second positive electrode active substance layer contains solid particles.
Inventor(s): Chengfeng Li of Ningde (CN) for contemporary amperex technology co., limited, Longfei Yang of Ningde (CN) for contemporary amperex technology co., limited, Xiaomei Liu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/38, H01M4/02, H01M4/04, H01M4/36, H01M10/0525, H01M10/0568, H01M10/0569, H01M10/0587, H01M50/249
CPC Code(s): H01M4/386
Abstract: provided are a secondary battery and a preparation method thereof, and an electric device. the secondary battery includes a negative electrode plate and an electrolyte. the negative electrode plate includes a negative active material and a lithium supplement agent, and an insulating material is dissolved in the electrolyte. a mass ratio of the insulating material in the electrolyte ranges from 0.1% to 4%. the insulating material is derived from the negative electrode plate prior to injection the electrolyte, and the insulating material is arranged between the negative active material and the lithium supplement agent in the negative electrode plate prior to the injection the electrolyte.
Inventor(s): Junguang CHEN of Ningde (CN) for contemporary amperex technology co., limited, Cong CHENG of Ningde (CN) for contemporary amperex technology co., limited, Haile PEI 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, Shisong LI of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/62, H01M4/02
CPC Code(s): H01M4/622
Abstract: an electrode assembly includes a water-based positive electrode plate and a negative electrode plate, wherein the water-based positive electrode plate includes a positive electrode current collector and a positive electrode film layer located on at least one surface of the positive electrode current collector; and the negative electrode plate comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector; at least part of surface of the water-based positive electrode plate is provided with a plurality of first micropores, and satisfies: 0.001%≤(s�h�d)/(s�c�h)≤1%, at least part of surface of the negative electrode plate is provided with a plurality of second micropores, and satisfies: 0<(s�h�d)/(s�c�h)≤2.5%.
Inventor(s): Haiyang KANG of Ningde (CN) for contemporary amperex technology co., limited, Yi ZHENG of Ningde (CN) for contemporary amperex technology co., limited, Chengdong SUN of Ningde (CN) for contemporary amperex technology co., limited, Yang YU of Ningde (CN) for contemporary amperex technology co., limited, Chuying OUYANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M4/62
CPC Code(s): H01M4/622
Abstract: this application discloses a binder, a separator, an electrode plate, an electrode assembly, a battery cell, a battery, and an electric apparatus, and relates to the field of battery technologies. the binder includes an organic polymer and an inorganic substance, and the binder has a first glass transition temperature and a second glass transition temperature within a range of −10� c. to 95� c., where the first glass transition temperature is higher than the second glass transition temperature. the organic polymer and the inorganic substance act together to obtain the binder with good adhesion performance and appropriate glass transition temperatures, suitable for fully exerting the adhesion performance of the binder under battery operation conditions, and thereby improving the kinetic and safety performance of batteries.
Inventor(s): Xiaolong LIU of Ningde (CN) for contemporary amperex technology co., limited, Xiaofeng HU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/04
CPC Code(s): H01M10/0404
Abstract: a cell stacking apparatus includes a first limiting device, a second limiting device, and a third limiting device. the first limiting device is configured to limit a bottom face of a cell, the second limiting device is configured to limit a first side of the cell, and the third limiting device is configured to limit a second side of the cell, where the bottom face, the first side, and the second side intersect one another.
Inventor(s): Xiaobo CHEN of Ningde (CN) for contemporary amperex technology co., limited, Yujie PU of Ningde (CN) for contemporary amperex technology co., limited, Yao LI of Ningde (CN) for contemporary amperex technology co., limited, Jianhuang KE of Ningde (CN) for contemporary amperex technology co., limited, Piaopiao YANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/63, B60L3/00, H01M10/48, H01M10/613, H01M10/625
CPC Code(s): H01M10/63
Abstract: a safety control mechanism for performing safety control on a battery includes a voltage generation module and a safety member. the voltage generation module is configured to establish a voltage difference between the safety member and the battery. when the battery is abnormal, the voltage difference causes the safety member to perform safety control.
Inventor(s): Xingxing LI of Ningde (CN) for contemporary amperex technology co., limited, Zhiming CHEN of Ningde (CN) for contemporary amperex technology co., limited, Xiaoteng HUANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/655, H01M10/615, H01M10/6571
CPC Code(s): H01M10/655
Abstract: this application relates to a heating assembly, a battery, and an electrical device. a heating sheet is affixed to a surface of a battery cell to heat the battery cell. when the battery cell thermally expands, cracks can break under an expansion force of the battery cell, so that the heating sheet deforms synchronously with the battery cell to prevent the heating sheet from being detached from the battery cell, thereby improving the efficiency of the heating sheet in heating the battery cell.
Inventor(s): Liangyi Wang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/6556, H01M10/613, H01M50/244, H01M50/249
CPC Code(s): H01M10/6556
Abstract: provided are a box of a battery, a battery, an electrical apparatus, and a method and apparatus for preparing a battery. the box and the battery in which it is located have better performance. the box of the battery includes: a thermal management component configured to accommodate a fluid to adjust the temperature of the battery, an end region of a first edge of the thermal management component being provided with a protrusion which protrudes outwardly in a first direction (x), the first direction (x) being parallel to the first edge of the thermal management component, and the protrusion and a second edge of the thermal management component forming a recess; and a connecting plate accommodated in the recess and connected to the second edge and the protrusion.
Inventor(s): Yincheng HUANG of Ningde (CN) for contemporary amperex technology co., limited, Yandong ZHOU of Ningde (CN) for contemporary amperex technology co., limited, Linggang ZHOU of Ningde (CN) for contemporary amperex technology co., limited, Lei WANG of Ningde (CN) for contemporary amperex technology co., limited, Jinmei XU of Ningde (CN) for contemporary amperex technology co., limited, Zhen SHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/6557, H01M10/04, H01M10/6555, H01M10/658, H01M50/204
CPC Code(s): H01M10/6557
Abstract: a battery includes: battery cells, each including two end surfaces opposite to each other in a first direction, wherein at least any one of the end surfaces is provided with an electrode terminal; and a thermal management component, wherein each of the battery cells further has side surfaces, and the thermal management component performs temperature adjustment on the side surfaces of the battery cell; the battery cells include a first battery cell and a second battery cell which are adjacent in a second direction, and the second direction is orthogonal to the first direction; and the thermal management component for performing temperature adjustment on the first battery cell and the second battery cell forms a thermal management module together with the first battery cell and the second battery cell.
Inventor(s): Yandong Zhou of Ningde (CN) for contemporary amperex technology co., limited, Zhen Shen of Ningde (CN) for contemporary amperex technology co., limited, Yincheng Huang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/6557, B60L50/64, H01M10/04, H01M10/613, H01M10/625, H01M10/656, H01M50/211
CPC Code(s): H01M10/6557
Abstract: provided are a battery, an electrical apparatus and a method and apparatus for preparing a battery. the battery includes a plurality of battery cells, wherein an electrode terminal is disposed on an end face of each battery cell in a first direction, and the plurality of battery cells are arranged in a second direction which is orthogonal to the first direction; and a thermal management component, which is located between adjacent ones of the battery cells in the second direction and used for conducting temperature regulation of the battery cells. the thermal management component has a central portion and end portions located on both sides of the central portion in a third direction, and the width of the central portion is smaller than that of the end portions in the second direction, so that a gap is formed in the second direction between the central portion and the adjacent battery cells.
Inventor(s): Fu He of Ningde (CN) for contemporary amperex technology co., limited, Lili Xiao of Ningde (CN) for contemporary amperex technology co., limited, Mengdong Liu of Ningde (CN) for contemporary amperex technology co., limited, Yuhua Huang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M10/6571, B60L50/60, H01M10/615, H01M10/625, H01M10/647, H01M50/209, H01M50/249, H05B3/34
CPC Code(s): H01M10/6571
Abstract: provided are a battery module, a battery and a power consuming device. the battery module comprises: a plurality of battery cells arranged in a first direction; a heating film extending in the first direction and attached to a first wall of each of the plurality of battery cells, the first wall being parallel to the first direction, the heating film being configured to heat the plurality of battery cells; and a protective film extending in the first direction and attached to a first surface of the heating film away from the battery cell, the protective film being configured to protect the heating film. according to the technical solutions of the embodiments of the present application, the heating film inside the battery can be physically protected to prevent metal wire in the heating film from being damaged or broken.
Inventor(s): Denghua LIN of Ningde (CN) for contemporary amperex technology co., limited, Long CHEN 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, Haizu JIN of Ningde (CN) for contemporary amperex technology co., limited, Peng WANG of Ningde (CN) for contemporary amperex technology co., limited, Shoujun HUANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/103, H01M50/133, H01M50/15, H01M50/55
CPC Code(s): H01M50/103
Abstract: the present application provides a battery cell, a battery, and an electrical device. the battery cell includes a shell, an electrode assembly, and a first insulating member. the shell has a wall. the electrode assembly is accommodated in the shell and includes a main body and a tab. the tab protrudes from one end of the main body in a thickness direction of the wall. the first insulating member is accommodated in the shell, the first insulating member includes an insulating body and a limit portion, the insulating body is disposed between the wall and the electrode assembly in the thickness direction of the wall, the limit portion is connected to the insulating body, and at least a portion of the limit portion is located between the main body and the shell in a first direction, where the first direction is perpendicular to the thickness direction of the wall.
Inventor(s): Yikuang JIN of Ningde (CN) for contemporary amperex technology co., limited, Hu XU of Ningde (CN) for contemporary amperex technology co., limited, Weirong ZHUO of Ningde (CN) for contemporary amperex technology co., limited, Mianyu XIE of Ningde (CN) for contemporary amperex technology co., limited, Zhihao XU of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/152, H01M50/186, H01M50/244, H01M50/249, H01M50/593
CPC Code(s): H01M50/152
Abstract: a battery top cover assembly includes a cover; a connecting member; and an insulating member connected between the cover and the connecting member. the insulating member has a first outer surface exposed outside the cover and the connecting member; and a first seam is present between the first outer surface and the cover, and a second seam is present between the first outer surface and the connecting member. a first sealing portion is disposed at the first seam and configured to cover the first seam, and/or a second sealing portion is disposed at the second seam and configured to cover the second seam.
Inventor(s): Yuqian WEN of Ningde (CN) for contemporary amperex technology co., limited, Wei ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Meng LI of Ningde (CN) for contemporary amperex technology co., limited, Wenqi ZHU of Ningde (CN) for contemporary amperex technology co., limited, Qinglin BAI of Ningde (CN) for contemporary amperex technology co., limited, Minghao TANG of Ningde (CN) for contemporary amperex technology co., limited, Xiaowei ZHANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/148, H01M10/0525, H01M10/0587, H01M50/188, H01M50/538
CPC Code(s): H01M50/154
Abstract: a battery cell includes a housing having an opening, an end cap assembly for closing the opening and including an end cap body and an electrode terminal connected to the end cap body in an insulating manner, and an electrode assembly arranged in the housing and being of a wound structure and including: a wound main body, a first tab and a second tab, the first tab and the second tab having opposite polarities and being connected to the same side of the wound main body along a winding axis of the wound structure. the first tab is electrically connected to the electrode terminal, and the second tab is electrically connected to the end cap body.
Inventor(s): Peng WANG of Ningde (CN) for contemporary amperex technology co., limited, Xingdi CHEN of Ningde (CN) for contemporary amperex technology co., limited, Zhanyu SUN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/242, B60L50/60, H01M50/209, H01M50/249, H01M50/262, H01M50/271
CPC Code(s): H01M50/242
Abstract: this application relates to a battery pack and an electric apparatus. the battery pack includes a box and a battery cell. the box includes a body and a bottom cover detachably connected to the bottom of the body. the body and the bottom cover jointly enclose an accommodating cavity for accommodating the battery cell.
Inventor(s): Jia HE of Ningde (CN) for contemporary amperex technology co., limited, Yu WANG of Ningde (CN) for contemporary amperex technology co., limited, Chenling ZHENG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/249, H01M50/262
CPC Code(s): H01M50/249
Abstract: a first connector for cooperating with at least one second connector in an insertion way includes a first connector body and at least one protective cover. the first connector body has an opening for allowing the at least one second connector to be inserted thereinto. the at least one protective cover each is movably mounted on the first connector body and is used to cover the opening. the at least one protective cover is configured to be pushed by the at least one second connector to open the opening, when the second connector is inserted into and connected with the first connector.
Inventor(s): Wenchao Luo of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/262, H01M10/04, H01M10/613, H01M10/625, H01M10/656, H01M50/209
CPC Code(s): H01M50/262
Abstract: embodiments of the present application provide a box, a battery, an electrical apparatus, and a method and an apparatus for preparing a battery. the box () includes a box body for accommodating a plurality of battery cells; a fixing member fixedly connected to the box body; and a thermal management component provided with a fitting hole for guiding the fixing member to penetrate through the thermal management component, the thermal management component being used for adjusting temperatures of the plurality of battery cells; wherein the fixing member is configured to penetrate through the fitting hole and bend toward the periphery of the fitting hole, so as to fix the thermal management component to the box body. the box, the battery, the electrical apparatus, and the method and apparatus for preparing a battery in the embodiments of the present application are capable of improving the safety performance of the battery.
Inventor(s): Qineng ZHONG of Ningde (CN) for contemporary amperex technology co., limited, Chengyou XING of Ningde (CN) for contemporary amperex technology co., limited, Miaomiao YAN of Ningde (CN) for contemporary amperex technology co., limited, Shutao SONG of Ningde (CN) for contemporary amperex technology co., limited, Xiaoxi ZHANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/342, H01M50/107, H01M50/152, H01M50/55
CPC Code(s): H01M50/3425
Abstract: the embodiments of the present disclosure provide an end cover, battery cell, battery, and electrical device, which belong to the field of battery technology. the end cover includes the cover body and the arc groove. the arc groove is arranged in the cover body; and the cover body is configured to crack along the arc groove to release pressure inside the battery cell when the pressure or temperature inside the battery cell reaches the threshold, wherein the depth of the arc groove gradually increases from the middle position of the arc groove to the two ends of the arc groove.
Inventor(s): Wenlin 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, Haizu JIN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/342, H01M10/04, H01M50/133
CPC Code(s): H01M50/3425
Abstract: a battery cell includes a shell and an electrode assembly accommodated in the shell. the shell includes a wall portion, the wall portion includes a main body, a connecting portion and a reinforcing portion, the connecting portion surrounds an outer side of the reinforcing portion, and the main body surrounds an outer side of the connecting portion. the connecting portion is provided with a weakened region, and the battery cell is configured to rupture along the weakened region when an internal pressure of the battery cell reaches a threshold, so as to release the internal pressure. the maximum thickness of the reinforcing portion is greater than the maximum thickness of the main body so as to reduce deformation of the reinforcing portion under the internal pressure.
Inventor(s): Yuyong Lei of Ningde (CN) for contemporary amperex technology co., limited, Zhijun Guo of Ningde (CN) for contemporary amperex technology co., limited, Peng Wang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/342, H01M50/103, H01M50/131, H01M50/15
CPC Code(s): H01M50/3425
Abstract: a battery cell, a battery and an electricity-consuming apparatus are provided by the present application. the battery cell includes a casing and a pressure relief mechanism; the casing includes a first wall provided with a through hole; the pressure relief mechanism is arranged on the first wall, and at least a portion of the pressure relief mechanism is located in the through hole.
Inventor(s): Xinxiang CHEN of Ningde (CN) for contemporary amperex technology co., limited, Yulian ZHENG of Ningde (CN) for contemporary amperex technology co., limited, Shoujun HUANG of Ningde (CN) for contemporary amperex technology co., limited, Yanyu LIU of Ningde (CN) for contemporary amperex technology co., limited, Peng WANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/342, H01M50/103, H01M50/15
CPC Code(s): H01M50/3425
Abstract: a battery cell includes a housing, an electrode assembly, and a pressure relief mechanism. the electrode assembly is accommodated inside the housing. the pressure relief mechanism is arranged in the housing. the pressure relief mechanism includes a weakened portion, a body portion, and a connecting portion. the weakened portion is configured to be damaged to release a pressure inside the housing when the pressure reaches a threshold. the body portion is located in a region enclosed by the weakened portion, and the connecting portion is located on an outer side of the weakened portion and is configured to be welded to the housing. the body portion is provided with a first groove, and the first groove is configured to release a stress when the connecting portion is welded to the housing.
Inventor(s): Runyong HE of Ningde (CN) for contemporary amperex technology co., limited, Feng QIN of Ningde (CN) for contemporary amperex technology co., limited, Peng WANG of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/367, H01M50/342
CPC Code(s): H01M50/367
Abstract: a battery includes: a box body, including a side wall for forming an accommodating cavity by enclosing, where the side wall has an exhaust port; a battery cell group, disposed inside the accommodating cavity and including a plurality of battery cells, where the plurality of battery cells are stacked; and an end plate, disposed inside the accommodating cavity and located between the battery cell group and the side wall, where the end plate covers the exhaust port, the end plate is provided with a guide passage, and the guide passage is used for connecting the accommodating cavity and the exhaust port.
Inventor(s): Xiaonan Cheng of Ningde (CN) for contemporary amperex technology co., limited, Haiyi Hong of Ningde (CN) for contemporary amperex technology co., limited, Yanyun Ma of Ningde (CN) for contemporary amperex technology co., limited, Jianrui Yang of Ningde (CN) for contemporary amperex technology co., limited, Yi Zheng of Ningde (CN) for contemporary amperex technology co., limited, Chengdong Sun of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/451, H01M50/403, H01M50/42, H01M50/434, H01M50/443, H01M50/446, H01M50/489
CPC Code(s): H01M50/451
Abstract: this application discloses a separator and a preparation method therefor, a battery, and an electric apparatus. the separator includes a substrate and a pressure-sensitive coating, where the pressure-sensitive coating is formed on at least a portion of surface of the substrate. the pressure-sensitive coating includes composite particles and a first plasticizer. the composite particles form bulges on surface of the coating, and the composite particles include polyacrylate particles and inorganic particles. the inorganic particle is present between at least two of the polyacrylate particles, and solubility parameter of the first plasticizer and solubility parameter of the composite particles have a difference with an absolute value of 0.3 mpa-4 mpa.
Inventor(s): Youcheng PAN of Ningde (CN) for contemporary amperex technology co., limited, Liang JIANG of Ningde (CN) for contemporary amperex technology co., limited, Zhixin LUO of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/474, H01M50/107, H01M50/152, H01M50/167, H01M50/477, H01M50/483
CPC Code(s): H01M50/474
Abstract: embodiments of the present application provide a battery cell, a battery, and a power consumption device. the battery cell includes a housing; a cover plate, including a cover plate body part and a first edge part, where the housing and the first edge part are connected in a sealing manner and form a crimping structure turned outwards; and a reinforcing member, disposed on a side of the cover plate body part away from an inner portion of the battery cell, at least part of the reinforcing member being located between an inner side of the crimping structure and the cover plate body part.
Inventor(s): Shengyun SHI of Ningde (CN) for contemporary amperex technology co., limited, Zhijun GUO of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/477, H01M10/04, H01M50/103, H01M50/474
CPC Code(s): H01M50/477
Abstract: a battery cell includes: a housing, an electrode assembly, a first insulator, a support assembly, and a second insulator. the housing forms an accommodation cavity. the electrode assembly is accommodated in the accommodation cavity. the electrode assembly includes a first electrode plate, a second electrode plate, and a separator disposed between the first electrode plate and the second electrode plate. the first electrode plate and the second electrode plate are stacked along a first direction. the first insulator includes a first insulation portion. the first insulation portion is disposed on one side of the electrode assembly and parallel to the first direction. the first insulation portion includes a first channel that runs through the first insulation portion.
Inventor(s): Jun Xiao of Ningde (CN) for contemporary amperex technology co., limited, Caiying Sun of Ningde (CN) for contemporary amperex technology co., limited, Song Duan of Ningde (CN) for contemporary amperex technology co., limited, Guangming Wan of Ningde (CN) for contemporary amperex technology co., limited, Fei Liu of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/497, H01M10/04, H01M50/403, H01M50/417, H01M50/431
CPC Code(s): H01M50/497
Abstract: a first surface of a separator for an electrode assembly includes a first passage region and a first blocking region. the first blocking region is formed by spraying or scraping an insulating material on edge regions on two sides of the first surface in a first direction x, the first direction x is perpendicular to an extension direction of the separator, and the first passage region is the region on the first surface except the first blocking region. the first passage region is configured for passage of ions from an electrolyte, and the first blocking region is configured to block the ions from the electrolyte.
Inventor(s): Yongguang Wang of Ningde (CN) for contemporary amperex technology co., limited, Hui Yang of Ningde (CN) for contemporary amperex technology co., limited, Yangzhi Huang of Ningde (CN) for contemporary amperex technology co., limited, Peng Wang of Ningde (CN) for contemporary amperex technology co., limited, Zhanyu Sun of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/503, H01M50/211, H01M50/505, H02G5/02
CPC Code(s): H01M50/503
Abstract: the present application discloses a busbar assembly, a battery and an electrical apparatus. the busbar assembly comprises a busbar bracket and a busbar. the busbar bracket is provided with a plurality of abutting portions and a plurality of first notches alternately distributed along a preset direction, each of the first notches being used for insertion of a tab of a battery cell assembly. the busbar is connected to at least part of the abutting portions and used for electrical connection with tabs inserted into the first notches. the busbar assembly can reduce the difficulty when assembling with the battery cell assembly.
Inventor(s): Yaoling Wen of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/533, H01M50/103
CPC Code(s): H01M50/533
Abstract: provided is an electrode plate, an electrode assembly, a battery cell, a battery, and an electric device. the electrode plate includes: a body portion having a surface at least partially coated with an active material; a tab portion arranged on at least one side of the body portion and connected to the body portion; and an opening penetrating the tab portion in a thickness direction of the tab portion. the opening has a first end and a second end that are sequentially arranged away from the body portion. the opening extends from the first end to the second end along a predetermined path. in the electrode plate of embodiments of the present disclosure, an occurrence of folding of the tab portion of the electrode plate during manufacturing can be reduced, avoiding an insufficient overcurrent area of the tab portion.
Inventor(s): Qingrui Xue of Ningde (CN) for contemporary amperex technology co., limited, Zige Zhang of Ningde (CN) for contemporary amperex technology co., limited, Wei Li 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, Jinsong Zhang of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/536, H01M50/528, H01M50/538
CPC Code(s): H01M50/536
Abstract: embodiments of this application provide a battery cell, a battery, and an electric device. the battery cell includes an electrode assembly, and the electrode assembly includes a body portion and a lead-out portion that are disposed in a first direction, the body portion being electrically connected to an electrode terminal via the lead-out portion. the lead-out portion includes a tab portion and a conductive structure. a first end of the conductive structure is welded to the tab portion to form a welded zone, a second end of the conductive structure is connected to the electrode terminal, and the conductive structure extends along a direction leaving the body portion. a melting zone is provided between the welded zone and the body portion. the technical solution of this application can reduce the probability of thermal runaway of batteries.
Inventor(s): Haibo KE of Ningde (CN) for contemporary amperex technology co., limited, Quankun LI of Ningde (CN) for contemporary amperex technology co., limited, Xiang MEI of Ningde (CN) for contemporary amperex technology co., limited, Peng WANG of Ningde (CN) for contemporary amperex technology co., limited, Ningsheng WU of Ningde (CN) for contemporary amperex technology co., limited, Yanlin CHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/586, H01M10/04, H01M50/367
CPC Code(s): H01M50/586
Abstract: an insulator, used for a battery cell, includes: an insulator body, having a first surface and a second surface oppositely disposed in its thickness direction, the first surface facing an electrode assembly of the battery cell, and the second surface facing away from the electrode assembly; and a protrusion, formed on the first surface and used for abutting against the electrode assembly; wherein the protrusion is provided with an air vent, and the air vent runs through the protrusion in a direction intersecting with the thickness direction.
Inventor(s): Siwei GAO of Ningde (CN) for contemporary amperex technology co., limited, Fang LI of Ningde (CN) for contemporary amperex technology co., limited, Shengwang CHEN of Ningde (CN) for contemporary amperex technology co., limited, Fan CHEN of Ningde (CN) for contemporary amperex technology co., limited, Lianfu CHEN of Ningde (CN) for contemporary amperex technology co., limited, Xin YANG of Ningde (CN) for contemporary amperex technology co., limited, Zhiyong GUO of Ningde (CN) for contemporary amperex technology co., limited, Donghua FAN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H01M50/588, H01M50/184, H01M50/186, H01M50/249
CPC Code(s): H01M50/588
Abstract: a battery cell includes a housing, an electrode assembly, and an electrode lead-out portion. the housing is provided with a sealed area at an edge. the electrode assembly is accommodated in the housing, and the electrode assembly includes a main body portion and a tab connected to the main body portion. at least a portion of the electrode lead-out portion is electrically connected to the tab to form a connection portion, and at least a portion of the connection portion is located in the sealed area.
Inventor(s): Chengjie CHEN of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H02J7/00
CPC Code(s): H02J7/00304
Abstract: a method for overcurrent regulation of an energy storage system includes: obtaining a current value and overcurrent capability of each battery cluster in a plurality of battery clusters; determining an overcurrent value of each battery cluster according to the current value and the overcurrent capability; determining the maximum overcurrent value from overcurrent values of a plurality of the battery clusters; and regulating a total current limit value of the energy storage system according to the maximum overcurrent value.
Inventor(s): Guodong CHEN of Ningde (CN) for contemporary amperex technology co., limited, Bao TU of Ningde (CN) for contemporary amperex technology co., limited, Zhihan HUANG of Ningde (CN) for contemporary amperex technology co., limited, Changsong CHEN of Ningde (CN) for contemporary amperex technology co., limited, Shuojian SU of Ningde (CN) for contemporary amperex technology co., limited, Zhaohui LIU of Ningde (CN) for contemporary amperex technology co., limited, Yongsheng GUO of Ningde (CN) for contemporary amperex technology co., limited
IPC Code(s): H10K30/50, H10K30/82, H10K71/40, H10K71/60, H10K85/50, H10K101/40
CPC Code(s): H10K30/50
Abstract: a perovskite solar cell and a preparation method therefor, and a power consuming device. the perovskite solar cell comprises a bottom electrode, a perovskite layer and a top electrode, wherein the perovskite layer comprises several layers of sub-perovskite films arranged in stack, and the band gaps of two adjacent layers of the sub-perovskite films are different.
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on September 19th, 2024
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- B23P19/00
- B21J15/32
- B23P19/06
- B25J15/00
- CPC B23P19/004
- Contemporary amperex technology co., limited
- C01G45/12
- H01M4/02
- H01M4/04
- H01M4/1391
- H01M4/36
- H01M4/58
- H01M4/583
- CPC C01G45/1242
- C23F1/08
- C23F1/02
- CPC C23F1/08
- F16K17/04
- H01M10/04
- H01M50/333
- CPC F16K17/0413
- F28C3/04
- CPC F28C3/04
- G06T7/00
- G06V10/22
- G06V10/44
- CPC G06T7/0004
- H01M4/505
- H01M4/525
- H01M50/249
- CPC H01M4/366
- H01M4/38
- H01M10/0525
- H01M10/0568
- H01M10/0569
- H01M10/0587
- CPC H01M4/386
- H01M4/62
- CPC H01M4/622
- CPC H01M10/0404
- H01M10/63
- B60L3/00
- H01M10/48
- H01M10/613
- H01M10/625
- CPC H01M10/63
- H01M10/655
- H01M10/615
- H01M10/6571
- CPC H01M10/655
- H01M10/6556
- H01M50/244
- CPC H01M10/6556
- H01M10/6557
- H01M10/6555
- H01M10/658
- H01M50/204
- CPC H01M10/6557
- B60L50/64
- H01M10/656
- H01M50/211
- B60L50/60
- H01M10/647
- H01M50/209
- H05B3/34
- CPC H01M10/6571
- H01M50/103
- H01M50/133
- H01M50/15
- H01M50/55
- CPC H01M50/103
- H01M50/152
- H01M50/186
- H01M50/593
- CPC H01M50/152
- H01M50/148
- H01M50/188
- H01M50/538
- CPC H01M50/154
- H01M50/242
- H01M50/262
- H01M50/271
- CPC H01M50/242
- CPC H01M50/249
- CPC H01M50/262
- H01M50/342
- H01M50/107
- CPC H01M50/3425
- H01M50/131
- H01M50/367
- CPC H01M50/367
- H01M50/451
- H01M50/403
- H01M50/42
- H01M50/434
- H01M50/443
- H01M50/446
- H01M50/489
- CPC H01M50/451
- H01M50/474
- H01M50/167
- H01M50/477
- H01M50/483
- CPC H01M50/474
- CPC H01M50/477
- H01M50/497
- H01M50/417
- H01M50/431
- CPC H01M50/497
- H01M50/503
- H01M50/505
- H02G5/02
- CPC H01M50/503
- H01M50/533
- CPC H01M50/533
- H01M50/536
- H01M50/528
- CPC H01M50/536
- H01M50/586
- CPC H01M50/586
- H01M50/588
- H01M50/184
- CPC H01M50/588
- H02J7/00
- CPC H02J7/00304
- H10K30/50
- H10K30/82
- H10K71/40
- H10K71/60
- H10K85/50
- H10K101/40
- CPC H10K30/50
