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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.:

US 12049150 B1

PDFFull Text
Date of Patent:
Jul. 30, 2024

Filed:

Dec. 20, 2019

Power source device, and electric vehicle and electricity storage device employing same

Applicant:

Sanyo Electric Co., Ltd., Osaka, JP;

Inventor:

Go Yamashiro, Hyogo, JP;

Assignee:

SANYO Electric Co., Ltd., Osaka, JP;

Attorney:

WHDA, LLP

Primary Examiner:

Wyatt P McConnell

Int. Cl.
CPC ...
B60L 50/64 (2019.01); B60K 1/04 (2019.01); B60L 53/60 (2019.01); H01M 10/04 (2006.01); H01M 10/0525 (2010.01); H01M 10/42 (2006.01); H01M 50/209 (2021.01); H01M 50/224 (2021.01); H01M 50/249 (2021.01); H01M 50/262 (2021.01); H01M 50/264 (2021.01); H01M 50/289 (2021.01); H02J 7/02 (2016.01); H02J 7/35 (2006.01);
U.S. Cl.
CPC ...
B60L 53/60 (2019.02); B60K 1/04 (2013.01); B60L 50/64 (2019.02); H01M 10/0481 (2013.01); H01M 10/0525 (2013.01); H01M 10/4207 (2013.01); H01M 10/425 (2013.01); H01M 50/209 (2021.01); H01M 50/224 (2021.01); H01M 50/249 (2021.01); H01M 50/262 (2021.01); H01M 50/264 (2021.01); H01M 50/289 (2021.01); H02J 7/02 (2013.01); H02J 7/35 (2013.01); H01M 2010/4271 (2013.01); H01M 2220/20 (2013.01);
Abstract

Power supply device includes: a plurality of secondary battery cells each having a prismatic exterior can and constant cell thickness; a pair of end plates covering both end surfaces of battery stack body in which the plurality of secondary battery cells are stacked; and a plurality of fastening members each having a plate shape extending in a stack direction of the plurality of secondary battery cells and disposed on an opposing side surface of battery stack body to fasten end plates to each other. Each of the plurality of fastening members has wavy portion in which a plurality of wavy pieces bent in a cross-sectional view are periodically disposed at an interval according to the cell thickness.

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