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Patent Searching and Data


Title:
BATTERY PACK
Document Type and Number:
WIPO Patent Application WO/2023/176746
Kind Code:
A1
Abstract:
This battery pack comprises: a plurality of battery blocks having gas discharge surfaces, the plurality of battery blocks being arranged with the gas discharge surfaces facing one another; and heat-resistant members arranged between gas discharge surfaces facing one another, the heat-resistant members forming gas discharge paths between the gas discharge surfaces facing one another. Each battery block has a plurality of cells having gas discharge valves, and a holder for holding the plurality of cells and aligning the gas discharge valves at the holder end surface such that the gas discharge surface is formed. Each heat-resistant member is fixed between holder end surfaces facing one another, and receives gas pressure discharged from abnormal cells among the plurality of cells, whereby the heat resistant member is shifted so as to expand the gas discharge path.

Inventors:
SHIMIZU KEISUKE
Application Number:
PCT/JP2023/009494
Publication Date:
September 21, 2023
Filing Date:
March 13, 2023
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M10/613; H01M10/643; H01M10/658; H01M50/202; H01M50/209; H01M50/213; H01M50/224; H01M50/231; H01M50/238; H01M50/342; H01M50/367
Foreign References:
JP2012119138A2012-06-21
JP2017224627A2017-12-21
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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