Title:
POWER SUPPLY DEVICE, AND POWER STORAGE DEVICE AND ELECTRIC VEHICLE PROVIDED WITH POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/199547
Kind Code:
A1
Abstract:
A power supply device according to the present invention comprises: a battery block (10) obtained by layering a plurality of battery cells (1) in a thickness direction so to sandwich a separator (2) therebetween; a pair of end plates (3) positioned on both end surfaces of the battery block (10); and a binding bar (4) that is connected to the pair of end plates (3) and fixes the battery block (10) in a pressurized state via the end plates (3). The separator (2) is made of an elastomer (5) which has a cross-sectional shape formed in a comb-tooth shape, and is such that a plurality of rows of parallel protruding strips (21) and a plurality of rows of parallel grooves (22) are alternately disposed on a surface of a plate-shaped section (20), said surface opposing the battery cell (1).
Inventors:
KOGAMI NAO
HARAZUKA KAZUHIRO
FUJINAGA KOJI
HARAZUKA KAZUHIRO
FUJINAGA KOJI
Application Number:
PCT/JP2020/049217
Publication Date:
October 07, 2021
Filing Date:
December 28, 2020
Export Citation:
Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H01M50/20; B60K1/04; B60L50/60; B60L53/14
Domestic Patent References:
| WO2019171575A1 | 2019-09-12 |
Foreign References:
| JP2012238603A | 2012-12-06 | |||
| CN206059484U | 2017-03-29 | |||
| JP2018204708A | 2018-12-27 |
Other References:
See also references of EP 4131595A4
Attorney, Agent or Firm:
TOKUDA Yoshiaki et al. (JP)
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