Contemporary Amperex Technology Co., Ltd.

Contemporary Amperex Technology (hong Kong) Limited

Ningde Amperex Technology Limited

Jiangsu Contemporary Amperex Technology Limited

Contemporaryamperextechnologyco.,limited

Ningde Amperex Technology Limit Ed

Contemporaty Amperex Technlogy Co., Limited

Fujian Fuyao Automotive Aluminium System Co., Ltd.

Peng Wang

Quankun Li

Xingdi Chen

Yulian Zheng

Chengyou Xing

Linggang Zhou

Zhijun Guo

Taosheng Zhu

Kaijie You

Zhanyu Sun

Pinghua Deng

Kai Wu

Yuqun Zeng

Yu Tang

Haizu Jin

Yongshou Lin

Xinxiang Chen

Fenggang Zhao

Rulai Cai

Xiaobo Chen

Xiang Li

Yongguang Wang

Jian Guo

Shoujun Huang

Baisong Chen

Lei Wang

Jie Zhang

Derong Wang

Dongyang Shi

Yao Li

Yuepan Hou

Huasheng Su

Guowei Li

Lingbo Zhu

Shengshen Ruan

Chengdu Liang

Xiaoteng Huang

Zhiyu Wang

Libing Chan

Jianwei Li

Wenlong Kang

Zhiqin Weng

Haiqi Yang

Yanhuo Xiang

Yuanbao Chen

Cong Bao

Yanbo Chen

Yong Zhou

Xiaoping Zhang

Mingdi Xie

Shiyao Zhang

Fei Hu

Jianxiong Yang

Wenwei Chen

Zhichao Wang

Siying Huang

Chao Long

Jinmei Xu

Jiajun Wang

Qichang Cai

Zhimin Zeng

Wei Li

Jinqing Ji

Qingkui Chi

Wenlin Zhou

Lulu Bai

Lingyan Jiang

Ningsheng Wu

Wei Yang

Chenzhi Lu

Yanyu Liu

Mu Qian

Wei Wang

Feng Qin

Rui Yang

Qing Wang

Zengzhong Wang

Zhiyi You

Langchao Hu

Zequan Lu

Liangfan Xu

Youlei Lai

Jibin Geng

Yifeng Chen

Yonghuang Ye

Qian Liu

Zhenhua Li

Xing Li

Hua Zhang

Ning Chen

Jun Ma

Ziyuan Li

Long Li

Xiaorong Liu

Liangyi Wang

Jun Liu

Junzhong Hu

Yusheng Yu

Embodiments of the present application provide a battery. The battery includes: a battery cell comprising a pressure relief mechanism, the pressure relief mechanism being arranged in a first wall of the battery cell and the pressure relief mechanism being configured, when an internal pressure or temperature of the battery cell reaches a threshold, to be actuated to release the internal pressure; and a thermal management component for containing a fluid to adjust the temperature of the battery cell; wherein a first surface of the thermal management component is attached to the first wall, and the thermal management component is configured to be capable of being damaged when the pressure relief mechanism is actuated, so that the fluid is discharged from inside of the thermal management component. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

Battery, power consumption device, method and device for preparing a battery

The present application discloses a battery including a battery cell, a thermal management component, an avoidance chamber and a collection chamber. The battery cell includes a pressure relief mechanism; the thermal management component is configured to adjust a temperature of the battery cell; the avoidance chamber is configured to provide a space allowing the pressure relief mechanism to be actuated; and the collection chamber is configured to collect emissions from the battery cell when the pressure relief mechanism is actuated. The thermal management component is configured such that emissions are capable of passing through the thermal management component when the pressure relief mechanism is actuated, and then entering the collection chamber through the avoidance chamber. Therefore, the pressure relief mechanism may not need to be provided on a side of an electrode terminal of the battery cell and emissions relieved by the pressure relief mechanism may be collected.

Battery and related apparatus, production method and production device therefor

A box structure includes a cooling member and a frame. The cooling member includes a main pipe and at least one branch pipe connected to the main pipe. The main pipe is configured to pass a coolant into the branch pipe, and the branch pipe is configured to contact the battery pack to cool the battery pack. An accommodation groove is created at a bottom of the frame, at least a part of the main pipe is located in the accommodation groove, and the main pipe is bonded and fixed to the accommodation groove.

Box structure, battery, and electrical device

The present application is provided with a battery box and a battery pack. The battery pack box includes a base plate and a frame, the base plate being connected with the frame; where the base plate includes: a first plate; a second plate, disposed opposite to the first plate; and a perforated plate, provided with a plurality of holes spaced; where the perforated plate is located between the first plate and the second plate, and is welded and fixed to the first plate and the second plate respectively. In the present application, the perforated plate can reduce the overall weight of the box and increase the energy density of the battery pack.

Battery pack box and battery pack

The present application provides an end cover assembly, a battery cell, a battery, an electric device and a method for preparing a battery cell and an apparatus for manufacturing a battery cell. The present application provides an end cover assembly, where the end cover assembly includes: a cover plate provided with a pressure relief hole; a fixing member fixed on the cover plate, the fixing member having a first through hole and a second through hole, and the first through hole being opposite to the pressure relief hole; and a gas permeable membrane covering at least a portion of the pressure relief hole, an edge part of the gas permeable membrane being connected to the fixing member, and a portion of the edge part being embedded into the second through hole, so as to prevent the edge part from moving relative to the fixing member.

End cover assembly, battery cell, battery and electric device

The present application relates to an end cover assembly, a battery cell, a battery, a power consumption device and a liquid injection method. The end cover assembly includes an end cover, a sealing piece and a cover body, wherein the end cover is provided with a first hole for injecting electrolyte; the sealing piece is configured to seal the first hole; the cove body is configured to cover at least part of the sealing piece, the cover body is rotatable relative to the end cover to realize detachable connection between the cover body and the end cover; one of the sealing piece and the cover body is provided with a second hole, the other one of the sealing piece and the cover body is provided with a boss; the boss is inserted into the second hole, and the boss and the second hole are relatively rotatable.

End cover assembly, battery cell, battery, power consumption device and liquid injection method

The present disclosure provides a secondary battery and a battery module. The secondary battery includes: a shell having an opening; an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a cap assembly including a cap plate and a first electrode terminal; a lower insulator located at a side of the cap plate away from the terminal board; and a wiring board including a main body portion and an extension portion, wherein the main body portion is located at a side of the lower insulator away from the cap plate and connected to the first electrode plate, the extension portion extends into the electrode lead-out hole and connected to the first electrode terminal, the first electrode plate is electrically connected to the first electrode terminal through the wiring board, and the first electrode terminal does not extend beyond a lower surface of the lower insulator.

Secondary battery and battery module

Embodiments of the present disclosure provide a battery cell, a battery, a power consumption device, and a device and a method for manufacturing a battery cell. The battery cell may comprise an electrode assembly, a housing, an end cover, and a first insulation structure. The electrode assembly may comprise a first tab. The housing may accommodate the electrode assembly, the housing may have an opening, and a first limiting structure may be formed on an inner circumferential wall of the housing. The end cover may cover the opening, and in a thickness direction of the end cover, the first limiting structure may limit movement of the end cover in a direction towards the electrode assembly. The first insulation structure may be at least partially provided between the first tab and the first limiting structure, so as to insulate and isolate the first tab from the first limiting structure.

Battery cell, battery, power consumption device, and device for manufacturing battery cell

This application discloses a battery module, a battery pack, and a device using a secondary battery. The battery module includes: a battery cell assembly, including at least two battery cells arranged along a third direction, where each of the battery cells includes electrode terminals; and a first busbar, including a main portion and two connecting portions, where an extension direction of the first busbar tilts against the third direction at a preset angle, the two connecting portions are connected to the electrode terminals of the two battery cells in an identical battery cell assembly respectively, the main portion is connected between the two connecting portions, a deformation inducing portion is disposed on the main portion, and the deformation inducing portion is configured to reduce at least a force required for deforming the main portion along a first direction.

Battery module, battery pack, and device using secondary battery

A sealing assembly for sealing a through hole, and a method and device for preparing a battery cell are provided. The sealing assembly comprises: a sealing sleeve provided in the through hole and having a cavity and an opening that is in communication with the cavity; an elastic sleeve tube provided in the cavity and having a first mounting hole that extends in an axial direction of the through hole; and a central rod, which is provided in the first mounting hole and is in threaded connection with the elastic sleeve tube to enable the elastic sleeve tube to expand in a radial direction of the through hole to press the sealing sleeve and form, on an outer wall of the elastic sleeve tube, a raised portion that rivets the sealing sleeve to the through hole.

Sealing assembly for sealing through hole, and method and device for preparing battery cell

Embodiments provide a battery cell, a battery, an electric apparatus, and a manufacturing method and system of battery cell. In some embodiments, the battery cell includes a housing, an electrode assembly, and an end cover assembly. The housing provides an opening. The electrode assembly is disposed in the housing. The electrode assembly includes a body portion, a tab, and an isolation portion. The tab extends from an end of the body portion to the opening. The isolation portion is disposed on a periphery of the tab. The end cover assembly is configured to cover the opening. The end cover assembly includes an end cover and a first insulator. The end cover is configured to cover the opening and is connected to the housing. The first insulator is disposed on a side of the end cover proximate to an inside of the housing. The first insulator has a concave portion.

Battery cell, battery, electric apparatus, and manufacturing method and system of battery cell

The present disclosure provides a battery cell, a battery module, a battery pack, a device using the battery cell as a power source, and an assembling method of the battery cell, wherein the battery cell comprising an electrode assembly () and an insulating support plate (), the electrode assembly () comprises a main body portion () and a tab () connected to the main body portion (), the insulating support plate () comprises a first support portion () and a second support portion () connected to the first support portion (), the first support portion () protrudes in a direction approaching the main body portion () relative to the second support portion () such that a first gap is formed between the second support portion () and the main body portion (), and at least a portion of the tab () is located in the first gap. The first gap formed between the second support portion and the main body portion can accommodate at least a portion of the tab to effectively protect the tab, prevent the tab from being compressed, reduce damages to the tab, and increase the service life of the battery.

Battery cell, battery module, battery pack, device using battery cell as power source, and assembling method of battery cell

Disclosed are a battery, an electric apparatus, and a manufacturing method of the battery, belonging to the technical field of batteries. The battery includes a plurality of battery cells and a mounting base, where the plurality of battery cells are electrically connected; the mounting base is used to fix an output electrode of the battery, the output electrode is used to export electric energy of the plurality of battery cells, the mounting base includes at least one limiting surface, and the limiting surface is matched with the contour of the battery cell. Through the battery, the electric apparatus, and the manufacturing method of the battery, the occupied space of the mounting base is reduced, and the energy density of the battery is increased.

Battery, electric apparatus, and manufacturing method of battery

Embodiments of the present application provide a battery, a power consumption device, and a method and device for producing a battery. The battery includes: a plurality of battery cells arranged in a first direction; and a spacer plate, the spacer plate extending in the first direction and being connected to a first wall of each battery cell of the plurality of battery cells, the first wall being a wall of the battery cell that has a largest surface area, a surface of the spacer plate being provided with an insulating layer, a size of the spacer plate in a second direction being less than 0.5 mm, and the second direction being perpendicular to the first wall. According to technical solutions of the embodiments of the present application, performance of the battery could be improved.

Battery, power consumption device, and method and device for producing battery

A battery includes a battery pair and an information collector configured to collect parameters of the battery. The battery pair includes two battery cells. A surface of each of the two battery cells is provided with a pole. The poles of the two battery cells abut against each other face to face to form a pole assembly structure. The pole assembly structure includes an insertion slot. The information collector includes a main board and a sampling piece electrically connected to the main board. One end of the sampling piece extends into the insertion slot and is electrically connected to the pole assembly structure.

Battery, powered device, and method of manufacturing battery

Growing community of inventors

Ningde, China

Peng Wang