发明授权
- 专利标题: Safety mechanism for laminate battery
- 专利标题(中): 层压电池的安全机理
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申请号: US11915356申请日: 2006-05-18
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公开(公告)号: US08057933B2公开(公告)日: 2011-11-15
- 发明人: Masaharu Miyahisa , Yoshiki Ohsawa , Tsuyoshi Hatanaka , Yasuhiko Yamasaki
- 申请人: Masaharu Miyahisa , Yoshiki Ohsawa , Tsuyoshi Hatanaka , Yasuhiko Yamasaki
- 申请人地址: JP Osaka
- 专利权人: Panasonic Corporation
- 当前专利权人: Panasonic Corporation
- 当前专利权人地址: JP Osaka
- 代理机构: McDermott Will & Emery LLP
- 优先权: JP2005-149881 20050523; JP2005-319295 20051102; JP2005-327110 20051111; JP2006-027141 20060203
- 国际申请: PCT/JP2006/309937 WO 20060518
- 国际公布: WO2006/126446 WO 20061130
- 主分类号: H01M2/08
- IPC分类号: H01M2/08 ; H01M2/12
摘要:
A safety mechanism for a laminate battery. An exterior case (5) consists of two molded sheets (5a) made of laminate sheets, superposed upon one another, and bonded together around the outer edges. The exterior case has a protrusion (10) that communicates with the interior of the exterior case and protrudes outwardly from one side. A safety vent (13) is made up of an exhaust hole (11) formed in at lease one of the two molded sheets (5a) in the protrusion (10), and a valve element (12) making elastic pressure contact with the edge of the exhaust hole (11) to seal it. The safety mechanism does not operate within the range of internal pressure variation during normal use, but operates reliably at a time point when a predetermined valve operating pressure is reached to release a necessary amount of gas to the outside, this valve operating pressure being within the safe range relative to the pressure resistance of the exterior case (5) made of laminate sheets. Also, the safety vent configuration enables a reduction in production cost.
公开/授权文献
- US20090017365A1 SAFETY MECHANISM FOR LIMINATE BATTERY 公开/授权日:2009-01-15