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1. 发明公开

EP3930082A1 BATTERY MODULE, BATTERY PACK AND APPARATUS 有权转让
公开(公告)号：EP3930082A1
公开(公告)日：2021-12-29
申请号：EP20889089.7
申请日：2020-11-13
申请人： Contemporary Amperex Technology Co., Limited
发明人： CHEN, Xinxiang , ZHENG, Yulian , HUANG, Shoujun , SU, Huasheng , LI, Xiang , WANG, Peng
IPC分类号： H01M50/10 , H01M50/202
摘要： Embodiments of this application provide a battery column, a battery module, and an apparatus. The battery column includes a housing, and first battery cells and second battery cells that are alternately distributed side by side along a first direction in the housing, where the first battery cell includes a first metal case and a first insulating film, the first metal case has two first side surfaces disposed opposite each other along the first direction, and the first insulating film covers at least the two first side surfaces; and the second battery cell includes a second metal case, which is exposed in the housing. In the battery column according to the embodiments of this application, even if no insulating film is provided on the second metal case of the second battery cell, and the second metal case is exposed in the housing, the battery cells can still be insulated from each other, and space inside the housing can be saved, thereby improving energy density of the battery column.

2. 发明公开

EP3512007A1 ELECTRODE COMPONENT, ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY 有权转让
公开(公告)号：EP3512007A1
公开(公告)日：2019-07-17
申请号：EP19150009.9
申请日：2019-01-02
申请人： Contemporary Amperex Technology Co., Limited
发明人： LI, Xiang , XING, Yingyou , WANG, Peng , CAI, Rulai
IPC分类号： H01M2/26 , H01M4/66 , H01M10/052
摘要： The present disclosure relates to an electrode component, an electrode assembly and a rechargeable battery. The electrode component includes an electrode body, a conductive structure, and a reinforcement structure. The electrode body includes an insulating substrate and a conductive layer disposed on surfaces of the insulating substrate, the conductive layer includes a first portion coated with an active material and a second portion extending from the first portion and uncoated with the active material. The conductive structure is connected to the second portion. The reinforcement structure reinforces the conductive structure on the second portion. According to the present disclosure, by reinforcing the conductive structure connected to the second portion of the electrode component having the insulating substrate by the reinforcing structure, the reliability of the arrangement of the conductive structure on the second portion can be effectively improved.

3. 发明公开

EP3490033A1 ELECTRODE MEMBER, ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY 有权转让
公开(公告)号：EP3490033A1
公开(公告)日：2019-05-29
申请号：EP18169335.9
申请日：2018-04-25
申请人： Contemporary Amperex Technology Co., Limited
发明人： LI, Xiang , XING, Chengyou , WANG, Peng , CAI, Rulai
IPC分类号： H01M2/26 , H01M4/66 , H01M10/0525
摘要： The present invention relates to the technical field of rechargeable batteries and, in particular, to an electrode member, an electrode assembly and a rechargeable battery. The electrode member of the present invention includes an electrode body. The electrode body includes an insulating base and a conductive layer disposed on a surface of the insulating base. The conductive layer has a first portion and a second portion extending from the first portion, the first portion is adapted to be coated with an active material and the second portion is uncoated with the active material. A portion of the insulating base corresponding to the second portion is provided with a first through-hole throughout a thickness direction. In the present invention, based on the first through-hole provided, in the thickness direction, in the insulating base corresponding to the second portion of a conductive layer that is uncoated, a current path can be formed in the through-hole of the insulating base, thereby enhancing the conductivity of the conductive member.

4. 发明公开

EP4148870A1 THERMAL MANAGEMENT PART, BATTERY, AND ELECTRICAL DEVICE 审中-实审转让
公开(公告)号：EP4148870A1
公开(公告)日：2023-03-15
申请号：EP21940014.0
申请日：2021-07-22
申请人： Contemporary Amperex Technology Co., Limited
发明人： LI, Xiang , WANG, Shoulong , XIAO, Ting , HUANG, Xiaoteng
IPC分类号： H01M10/617 , H01M10/613
摘要： Embodiments of the present application provide a thermal management component, a battery, and a powered device. The thermal management component includes: a set of first heat exchange surfaces, including a plurality of first heat exchange surfaces configured to cooperate with a plurality of outer battery units located on one side of the thermal management component for temperature regulation, each of the first heat exchange surfaces being configured to cooperate with one of the outer battery units for temperature regulation; and a set of second edge heat exchange surfaces, including a plurality of second edge heat exchange surfaces configured to cooperate with a plurality of intermediate battery units located on the other side of the thermal management component for temperature regulation, each of the second edge heat exchange surfaces being configured to cooperate with one of the intermediate battery units for temperature regulation. The heat exchange area of each of the first heat exchange surfaces is a first heat exchange area S1, and the heat exchange area of each of the second edge heat exchange surfaces is a second heat exchange area S2. The first heat exchange area S1 is greater than the second heat exchange area S2. According to the present application, the space adaptability of the battery can be enhanced.

5. 发明授权

EP3321998B1 SECONDARY BATTERY 有权转让
公开(公告)号：EP3321998B1
公开(公告)日：2020-08-19
申请号：EP17000793.4
申请日：2017-05-09
申请人： Contemporary Amperex Technology Co., Limited
发明人： Yang, Wei , CAI, Rulai , LI, Xiang , YU, Xianfeng
IPC分类号： H01M2/12 , H01M10/34

6. 发明公开

EP3331052A1 SECONDARY BATTERY 审中-实审转让
公开(公告)号：EP3331052A1
公开(公告)日：2018-06-06
申请号：EP17204308.5
申请日：2017-11-29
申请人： Contemporary Amperex Technology Co., Limited
发明人： LI, Xiang , WANG, Jiajun , CAI, Rulai , WANG, Peng , YANG, Wei
IPC分类号： H01M2/04 , H01M2/22 , H01M2/34
CPC分类号： H01M2/202 , H01M2/04 , H01M2/06 , H01M2/22 , H01M2/30 , H01M2/348 , H01M2200/103
摘要： The present invention provides a secondary battery which comprises: a cap plate provided with a first electrode terminal and a second electrode terminal; an electrode assembly comprising a main body, a first electrode tab and a second electrode tab; a first connecting piece connected between the first electrode tab and the first electrode terminal. The second electrode tab is electrically connected with the second electrode terminal. The first connecting piece includes a first electrode terminal connecting portion, a first electrode tab connecting portion and a first fusing portion. The secondary battery further comprises an insulating piece adhered on a surface of the first connecting piece which is connected with the first electrode tab, and the insulating piece at least covers an edge of the first electrode terminal connecting portion close to the first electrode tab, so as to isolate the first electrode tab from the first electrode terminal connecting portion.

7. 发明公开

EP3321993A1 SECONDARY BATTERY 有权转让
标题翻译：二次电池
公开(公告)号：EP3321993A1
公开(公告)日：2018-05-16
申请号：EP17185927.5
申请日：2017-08-11
申请人： Contemporary Amperex Technology Co., Limited
发明人： LI, Xiang , CAI, Rulai , WANG, Peng , YANG, Wei
IPC分类号： H01M2/04 , H01M2/34
CPC分类号： H01M2/345 , H01M2/0426 , H01M2/0473 , H01M2/0486 , H01M2/06 , H01M2/30 , H01M2/348 , H01M2200/103 , H01M2200/20
摘要： A secondary battery, including an electrode assembly, a positive terminal, a negative terminal, a top cover plate, a conductive plate and a contact plate, wherein the electrode assembly includes a positive electrode plate, a negative electrode plate and a separator provided therebetween, the positive electrode plate is electrically connected with the positive terminal, and the negative electrode plate is electrically connected with the negative terminal, the contact plate is attached to the negative terminal, the top cover plate is insulated from the negative terminal and is electrically connected with the positive terminal, the conductive plate is fixedly connected with the top cover plate, the contact plate is configured to deform under gas pressure to be in contact with the conductive plate when an internal pressure of the secondary battery exceeds a reference pressure, so as to form an electrical connection path passing through the positive electrode plate, the positive terminal, the top cover plate, the conductive embedded block, the contact plate, the negative terminal and the negative electrode plate, and a resistivity of the conductive embedded block is greater than or equal to a resistivity of the contact plate, and is less than a resistivity of the top cover plate. This solution reduces potential risks of fuse of the top cover plate and the contact plate.
摘要翻译：一种二次电池，包括电极组件，正极端子，负极端子，顶盖板，导电板和接触板，其中所述电极组件包括正极板，负极板和设置在其间的隔板，正极板与正极端子电连接，负极板与负极端子电连接，接触板与负极端子连接，顶盖板与负极端子绝缘并与负极端子电连接所述正极端子，所述导电板与所述顶盖板固定连接，所述接触板构造成在所述二次电池的内部压力超过参考压力时在气压下变形以与所述导电板接触，以便形成穿过正极板（正极端子）t的电连接路径上盖板，导电嵌入块，接触板，负极端子和负极板，导电嵌入块的电阻率大于或等于接触板的电阻率，小于电阻率的顶盖板。该解决方案降低了顶盖板和接触板的熔断器的潜在风险。

8. 发明公开

EP4258420A1 BATTERY, ELECTRICAL APPARATUS, AND METHOD AND APPARATUS FOR PREPARING BATTERY 有权转让
公开(公告)号：EP4258420A1
公开(公告)日：2023-10-11
申请号：EP22912804.6
申请日：2022-01-13
申请人： Contemporary Amperex Technology Co., Limited
发明人： WANG, Zhi , WANG, Peng , LI, Xiang , QIN, Feng , JI, Hongye
IPC分类号： H01M10/613 , H01M10/0525
摘要： Embodiments of the present application provide a battery, a power consumption apparatus, a method and an apparatus for preparing a battery. The battery includes: a plurality of layers of battery cell groups stacked in a first direction, where each layer of the battery cell group includes a plurality of battery cells arranged in an array; and a plurality of thermal management components provided between adjacent two layers of the battery cell groups in the first direction, where the thermal management component is configured to contain a fluid to adjust temperature of the battery cells located on both sides of the thermal management component, the plurality of the thermal management components are connected to each other in a second direction to isolate the adjacent two layers of the battery cell groups, and the second direction is perpendicular to the first direction. The battery, the power consumption apparatus, the method and the apparatus for preparing the battery of the present application can enhance safety performance of the battery.

9. 发明公开

EP4113701A1 WATER COOLING ASSEMBLY, BATTERY PACK, AND DEVICE 审中-实审转让
公开(公告)号：EP4113701A1
公开(公告)日：2023-01-04
申请号：EP21828995.7
申请日：2021-03-22
申请人： Contemporary Amperex Technology Co., Limited
发明人： YE, Weida , LI, Xiang , GU, Yanlong , HUANG, Xiaoteng , YAN, Peng , WANG, Wenli
IPC分类号： H01M10/613
摘要： Embodiments of the present application relate to the technical field of batteries, and provide a water cooling assembly, a battery pack, and a device in order to solve the technical problem of low cooling efficiency of a cooling assembly of a battery pack leading to the low energy efficiency of a vehicle using the battery pack. The water cooling assembly is configured to cool a cell, and includes: a body portion having a cooling channel for receiving a coolant; a first connecting portion connected to the body portion and having a communication cavity for introducing or draining the coolant; and a second connecting portion arranged between the body portion and the first connecting portion and having an inner cavity for communicating the cooling channel with the communication cavity. An end face of the inner cavity close to the cooling channel has a cross-sectional area greater than that of an end face of the communication cavity close to the inner cavity. The battery pack includes the water cooling assembly. The device comprises the battery pack. The present application aims to increase the cooling efficiency of the cooling assembly, and to increase the charge/discharge efficiency of the battery pack and the energy efficiency of a device such as a vehicle using the battery pack.

10. 发明公开

EP3512001A1 SECONDARY BATTERY AND VEHICLE 有权转让
公开(公告)号：EP3512001A1
公开(公告)日：2019-07-17
申请号：EP18189993.1
申请日：2018-08-21
申请人： Contemporary Amperex Technology Co., Limited
发明人： LI, Xiang , XING, Chengyou , WANG, Peng , CAI, Rulai
IPC分类号： H01M2/20 , H01M2/22 , H01M2/26
摘要： The present disclosure relates to technical field of energy storage devices, and in particular, to a secondary battery and a vehicle. The secondary battery includes a top cover plate, electrode terminals disposed on the top cover plate, at least one electrode assembly including a main body and a plurality of conductive portions extending from the main body. The plurality of conductive portions is stacked and forms a tab, and the main body is formed by winding a first electrode plate, a second electrode plate and a separator disposed between the first electrode plate and the second electrode plate. The secondary battery also includes connecting pieces for connecting the tab to the electrode terminal. The tabs extend from one side of the main body viewed in thickness direction and are bent with respect to height direction and is connected to the connecting piece.

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