公开(公告)号：US20150004447A1

公开(公告)日：2015-01-01

申请号：US14292329

申请日：2014-05-30

Applicant: Ningde Amperex Technology Limited

Inventor： Quankun LI ,  Peng WANG ,  Pinghua DENG ,  Junzhong HU ,  Jibin GENG ,  Kai WU

IPC: H01M2/34

CPC classification number: H01M2/34 ,  H01M2/024 ,  H01M2/027 ,  H01M2/028 ,  H01M2/26 ,  H01M10/052 ,  H01M2220/20 ,  Y02E60/122

Abstract: The present disclosure provides a lithium-ion secondary battery, which comprises: a case made from a conductive material; a cell received in the case; a cap assembly mounted to the case in a sealing way and equipped with electrode posts electrically connected to the cell, the electrode posts are a positive post and a negative electrode post; an electrolyte injected in the case; and at least one adapter member, the each adapter member is made from a conductive material and comprises: a connection portion fixedly connected to the corresponding one electrode post equipped to the cap assembly; and a contact portion extending downwardly into a space between the cell and the case from the connection portion at a lateral side of the cell, so that the contact portion contacts with the case to realize a short-circuit between the electrode posts when the case is crushed under an external force.

Abstract translation: 本公开提供一种锂离子二次电池，其包括：由导电材料制成的壳体; 在这种情况下收到的一个电池; 帽组件以密封方式安装到壳体并且装备有电连接到电池的电极柱，电极柱是正极柱和负极柱; 在该情况下注入电解液; 和至少一个适配器构件，所述每个适配构件由导电材料制成，并且包括：固定地连接到装配到所述盖组件的相应的一个电极柱的连接部分; 以及在电池的侧面从连接部向下延伸到电池和壳体之间的空间的接触部分，使得接触部分与壳体接触，以在壳体为壳体时实现电极柱之间的短路 在外力下压碎