Title:
POWER SUPPLY DEVICE, AND VEHICLE AND ELECTRICAL STORAGE DEVICE EACH EQUIPPED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2021/199594
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 is provided with, on the upper surface thereof, a gas discharge valve (1c) that opens when the internal pressure of an exterior can (1a) rises; a first cover (41) that is provided to the upper surface of the battery laminate (10) and defines a first gas duct (43) that is in communication with 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 second gas duct (44) on the upper surface of the first gas duct (43). A plurality of through holes (51) are formed in the upper surface of the first cover (41), and are in communication with the first gas duct (43) and the second gas duct (44).
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Inventors:
FUJII YUSUKE
EGASHIRA TAKUYA
EGASHIRA TAKUYA
Application Number:
PCT/JP2021/001786
Publication Date:
October 07, 2021
Filing Date:
January 20, 2021
Export Citation:
Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H01M10/44; H01M50/10; H01M50/147; H01M50/20; H01M50/342
Domestic Patent References:
| WO2020039626A1 | 2020-02-27 |
Foreign References:
| JP2016054127A | 2016-04-14 | |||
| JP2011065906A | 2011-03-31 |
Attorney, Agent or Firm:
TOKUDA Yoshiaki et al. (JP)
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