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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 12500286 B1

PDFFull Text
Date of Patent:
Dec. 16, 2025

Filed:

Dec. 09, 2019

Battery module comprising side separator with a biasing portion

Applicant:

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

Inventors:

Takuya Egashira, Hyogo, JP;

Hiroshi Takata, Hyogo, JP;

Assignee:

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

Attorney:

WHDA, LLP

Primary Examiner:

Basia A Ridley

Assistant Examiner:

Kimberly undefined Wyluda

Int. Cl.
CPC ...
H01M 10/6554 (2014.01); H01M 10/613 (2014.01); H01M 10/625 (2014.01); H01M 10/647 (2014.01); H01M 10/653 (2014.01); H01M 50/209 (2021.01); H01M 50/244 (2021.01); H01M 50/264 (2021.01); H01M 50/289 (2021.01); H01M 50/291 (2021.01); H01M 50/55 (2021.01); H01M 50/588 (2021.01); H01M 50/593 (2021.01); H01M 10/6556 (2014.01);
U.S. Cl.
CPC ...
H01M 10/6554 (2015.04); H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 10/647 (2015.04); H01M 10/653 (2015.04); H01M 50/209 (2021.01); H01M 50/244 (2021.01); H01M 50/264 (2021.01); H01M 50/291 (2021.01); H01M 50/588 (2021.01); H01M 50/593 (2021.01); H01M 10/6556 (2015.04); H01M 50/289 (2021.01); H01M 50/55 (2021.01); H01M 2220/20 (2013.01);
Abstract

Battery module includes: battery stack including a plurality of batteries; constraining members made of metal and each having flat surface portion extending in stacking direction of batteries along battery stack, constraining members sandwiching the plurality of batteries in stacking direction; and side separators that insulate constraining members and battery stack from each other. Side separator includes: first portion interposed between battery stack and flat surface portion; and biasing portions that protrude toward battery stack from one end portion region of first portion in a first direction that is an in-plane direction of flat surface portion and intersect with stacking direction, and bias the plurality of batteries toward the other end portion region of first portion in the first direction.

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