Title:
POWER SUPPLY DEVICE, ELECTRIC VEHICLE COMPRISING SAID POWER SUPPLY DEVICE, AND POWER STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/261727
Kind Code:
A1
Abstract:
In order to protect a heat-shrink film that covers a battery cell even when the battery cell expands, this power supply device comprises: a plurality of battery cells (1) in which the exterior can is square; an insulating heat-shrink film (5) covering each of the plurality of battery cells (1); a plurality of separators (2) interposed between the plurality of battery cells (1); a battery laminate in which a plurality of the battery cells (1) are laminated with the separator (2) interposed therebetween; a pair of end plates positioned at both end surfaces of the battery laminate; and a plurality of binding bars that are individually positioned at the side surface facing the battery laminate, said binding bars fastening the end plates to each other. The edge part in the end edge of the separator (2) is chamfered.
Inventors:
YAMASHIRO GO
TAKAHASHI HIROYUKI
HARAZUKA KAZUHIRO
TAKAHASHI HIROYUKI
HARAZUKA KAZUHIRO
Application Number:
PCT/JP2020/016990
Publication Date:
December 30, 2020
Filing Date:
April 20, 2020
Export Citation:
Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H01M2/10
Domestic Patent References:
| WO2014034079A1 | 2014-03-06 | |||
| WO2017159527A1 | 2017-09-21 | |||
| WO2019082509A1 | 2019-05-02 |
Foreign References:
| CN202695676U | 2013-01-23 | |||
| JP2018029068A | 2018-02-22 | |||
| JP2016046233A | 2016-04-04 | |||
| JP2008305577A | 2008-12-18 | |||
| JP2018534742A | 2018-11-22 | |||
| JP2019106341A | 2019-06-27 |
Attorney, Agent or Firm:
TOKUDA Yoshiaki et al. (JP)
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