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Title:
POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/054229
Kind Code:
A1
Abstract:
In order to suppress increase in size of a power supply device and to suppress heat transfer between adjacent battery cells, this power supply device comprises: a plurality of battery cells (1) having a polygon-shaped exterior; a plurality of separators (2A) for insulating adjacent battery cells (1); and a restraining member that groups the plurality of battery cells (1) and the plurality of separators (2A). Each separator (2A) has heat insulation properties. In addition, each separator (2A) is arranged between the plurality of battery cells (1). Also, each separator (2A) includes an abutting section (21) abutting an adjacent battery cell (1) and a thin section (22) that is formed having a thinner thickness than the abutting section (21).

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Inventors:
TAKEDA NAO
YOSHIDA NAOTAKE
HARAZUKA KAZUHIRO
Application Number:
PCT/JP2019/029340
Publication Date:
March 19, 2020
Filing Date:
July 26, 2019
Export Citation:
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Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H01M10/658; H01M10/613; H01M10/625; H01M10/647; H01M10/6557; H01M50/209; H01M50/227; H01M50/293
Domestic Patent References:
WO2018061894A12018-04-05
WO2018003478A12018-01-04
WO2018061894A12018-04-05
Foreign References:
JP2016084836A2016-05-19
JP2011034775A2011-02-17
Other References:
See also references of EP 3852185A4
Attorney, Agent or Firm:
TOKUDA Yoshiaki et al. (JP)
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