Invention Grant
- Patent Title: Electric storage device
- Patent Title (中): 蓄电装置
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Application No.: US13767130Application Date: 2013-02-14
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Publication No.: US09147867B2Publication Date: 2015-09-29
- Inventor: Syun Ito , Shogo Tsuruta , Seiichi Irie
- Applicant: GS Yuasa International Ltd.
- Applicant Address: JP Kyoto-shi, Kyoto
- Assignee: GS Yuasa International Ltd.
- Current Assignee: GS Yuasa International Ltd.
- Current Assignee Address: JP Kyoto-shi, Kyoto
- Agency: McGinn IP Law Group, PLLC
- Priority: JP2012-029677 20120214; JP2012-288296 20121228
- Main IPC: H01M2/12
- IPC: H01M2/12

Abstract:
An electric storage device includes an electrode assembly, a case, and a sealing member. The case includes a gas exhaust portion that opens to exhaust internal gas when an internal pressure increases. The sealing member is affixed to the case. The sealing member includes a protective portion and at least one of a perforation and a thin section having a thickness smaller than another section of the sealing member. The protective portion covers the gas exhaust portion of the case.
Public/Granted literature
- US20130209843A1 ELECTRIC STORAGE DEVICE Public/Granted day:2013-08-15
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