Title:
POWER SUPPLY DEVICE, AND VEHICLE AND ELECTRICAL STORAGE DEVICE EACH EQUIPPED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2021/199595
Kind Code:
A1
Abstract:
A power supply device (100) is equipped with: a battery laminate (10) that is obtained by laminating a plurality of battery cells (1), each of which has formed, on the upper surface thereof, a gas discharge valve (1c) that opens when the internal pressure of an exterior can rises and an electrode terminal (2); a first cover (41) that is provided to the upper surface of the battery laminate (10) and opens at positions respectively corresponding to the gas discharge valves (1c); and a second cover (42) that is provided to the upper surface of the first cover (41) and defines a gas duct (38) together with the first cover (41). In the gas duct (38), baffle plates (48) are formed between the first cover (41) and the second cover (42). The power supply device (100) is further equipped with a metal third cover (39) that is provided to the upper surface of the second cover (42) and is in contact with the upper surface of the second cover (42).
Inventors:
FUJII YUSUKE
TASHIRO YOSHIMITSU
EGASHIRA TAKUYA
TASHIRO YOSHIMITSU
EGASHIRA TAKUYA
Application Number:
PCT/JP2021/001787
Publication Date:
October 07, 2021
Filing Date:
January 20, 2021
Export Citation:
Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H01M50/30; H01M10/44; H01M50/20; H01M50/50
Foreign References:
| JP2015138673A | 2015-07-30 | |||
| JP2015133169A | 2015-07-23 | |||
| JP2013218790A | 2013-10-24 | |||
| JP2011100699A | 2011-05-19 |
Attorney, Agent or Firm:
TOKUDA Yoshiaki et al. (JP)
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