The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 23, 2025
Filed:
Dec. 28, 2020
Applicant:
Sanyo Electric Co., Ltd., Osaka, JP;
Inventors:
Assignee:
SANYO Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/291 (2021.01); B60K 1/04 (2019.01); B60L 50/64 (2019.01); H01M 50/209 (2021.01); H01M 50/242 (2021.01); H01M 50/264 (2021.01); H01M 50/293 (2021.01);
U.S. Cl.
CPC ...
H01M 50/293 (2021.01); B60K 1/04 (2013.01); B60L 50/64 (2019.02); H01M 50/209 (2021.01); H01M 50/242 (2021.01); H01M 50/264 (2021.01); H01M 50/291 (2021.01);
Abstract
A power supply device includes: battery block formed by stacking a plurality of battery cells in a thickness with separator interposed therebetween; a pair of end plates disposed on both end surfaces of battery block; and binding bar that is coupled to the pair of end plates and fixes battery block in a pressurized state via end plates. Separator is an elastomer, and both surfaces of plate-shaped part are formed into uneven layers having different amounts of change in thickness with respect to a pressing force.