公开(公告)号：US20150132619A1

公开(公告)日：2015-05-14

申请号：US14532704

申请日：2014-11-04

Applicant: Ningde Amperex Technology Limited

Inventor： Mengjiang HE ,  Rulai Cai ,  Pinghua Deng ,  Peng Wang ,  Quankun Li

IPC: H01M2/04 ,  H01M2/34 ,  H01M2/12

CPC classification number: H01M2/043 ,  H01M2/04 ,  H01M2/0456 ,  H01M2/06 ,  H01M2/08 ,  H01M2/12 ,  H01M2/1223 ,  H01M2/1241 ,  H01M2/34 ,  H01M2200/00 ,  H01M2200/20 ,  H01M2220/10 ,  H01M2220/20

Abstract: A safety cap assembly of power battery comprises a cap plate and a first terminal unit, a second terminal unit, a vent, an electrolyte-injection hole and a safety reverse valve provided to the cap plate; the first terminal unit is electrically connected to the cap plate; the second terminal unit is insulated from and assembled to the cap plate; the safety reverse valve is electrically connected to the cap plate; a short circuit protection conducting plate is provided above the cap plate, is electrically connected to the second terminal unit, and is positioned above the safety reverse valve; the first terminal unit comprises a first terminal body, and a metal gasket and a resistance plate around the first terminal body, the resistance plate is provided below the metal gasket and comprises a substrate and a coating on a surface of the substrate.

Abstract translation: 动力电池的安全帽组件包括盖板和设置在盖板上的第一端子单元，第二端子单元，通风口，电解液注入孔和安全倒流阀; 第一端子单元电连接到盖板; 第二端子单元与盖板绝缘并组装到盖板上; 安全倒转阀电连接到盖板; 短路保护导电板设置在盖板的上方，电连接到第二端子单元，并位于安全倒转阀的上方; 所述第一端子单元包括第一端子体和金属衬垫以及围绕所述第一端子体的电阻板，所述电阻板设置在所述金属衬垫的下方，并且在所述衬底的表面上包括衬底和涂层。