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.

Date of Patent:
Jul. 16, 2024

Filed:

Jul. 26, 2019
Applicant:

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

Inventors:

Nao Takeda, Hyogo, JP;

Naotake Yoshida, Hyogo, JP;

Kazuhiro Harazuka, Hyogo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/613 (2014.01); H01M 10/647 (2014.01); H01M 10/6555 (2014.01); H01M 10/658 (2014.01); H01M 50/204 (2021.01); H01M 50/209 (2021.01); H01M 50/227 (2021.01); H01M 50/293 (2021.01);
U.S. Cl.
CPC ...
H01M 10/6555 (2015.04); H01M 10/613 (2015.04); H01M 10/647 (2015.04); H01M 10/658 (2015.04); H01M 50/204 (2021.01); H01M 50/209 (2021.01); H01M 50/227 (2021.01); H01M 50/293 (2021.01);
Abstract

The power supply device includes a plurality of battery cells each having a square outer shape, a plurality of separators for insulating the adjacent battery cells, and a restraining member that assembles the plurality of battery cells and the plurality of separators. Each of separators has heat insulating properties. Further, each of separators is disposed between the plurality of battery cells. Further, each of separators includes contact portion that comes into contact with adjacent battery cell, and thin portion formed thinner than contact portion.


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