Invention Grant
- Patent Title: Cap assembly and a safety valve for a secondary battery
- Patent Title (中): 盖组件和二次电池的安全阀
-
Application No.: US11132036Application Date: 2005-05-18
-
Publication No.: US07771862B2Publication Date: 2010-08-10
- Inventor: Kyu-Woong Cho
- Applicant: Kyu-Woong Cho
- Applicant Address: KR Yongin-si
- Assignee: Samsung SDI Co., Ltd.
- Current Assignee: Samsung SDI Co., Ltd.
- Current Assignee Address: KR Yongin-si
- Agency: Christie, Parker & Hale, LLP
- Priority: KR10-2004-0035481 20040519
- Main IPC: H01M2/12
- IPC: H01M2/12 ; B65D51/16
Abstract:
A secondary battery with a maximized cycle-life having a multi-stage safety valve so as to lower the inner pressure of the battery in stages. The multi-stage safety valve is installed on a case and the secondary battery is equipped with an electrode assembly including both positive and negative electrodes and a separator interposed therebetween.
Public/Granted literature
- US20050277017A1 Cap assembly and a safety valve for a secondary battery Public/Granted day:2005-12-15
Information query
