Invention Grant
- Patent Title: Lithium-ion rechargeable battery module, vehicle with the battery module and generating system with the battery module
- Patent Title (中): 锂离子充电电池模块，车载电池模块和发电系统带电池模块
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Application No.: US13442894Application Date: 2012-04-10
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Publication No.: US08828584B2Publication Date: 2014-09-09
- Inventor: Akira Gunji , Shin Takahashi , Hiroshi Iwasawa , Shin Yamauchi , Takefumi Okumura
- Applicant: Akira Gunji , Shin Takahashi , Hiroshi Iwasawa , Shin Yamauchi , Takefumi Okumura
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Antonelli, Terry, Stout & Kraus, LLP.
- Priority: JP2011-087850 20110412
- Main IPC: H01M6/42
- IPC: H01M6/42 ; H01M10/0525 ; H01M10/0569 ; H01M10/058
Abstract:
A lithium-ion rechargeable battery module having a plurality of lithium-ion battery cells, arranged that battery cells located at an high temperature portion of the module are electrically connected in parallel with battery cells located at a low temperature portion of the module. The battery cells at the high temperature portion have a higher electric resistance at 20° C. and a better high-temperature storage characteristic at 50° C. than those of the battery cells located at the low temperature portion.
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