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. 05, 2022

Filed:

Feb. 26, 2019
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Hajime Hasegawa, Susono, JP;

Norihiro Ose, Sunto-gun, JP;

Hideaki Nishimura, Sunto-gun, JP;

Yuki Matsushita, Nagoya-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/572 (2021.01); H01M 10/04 (2006.01); H01M 10/0585 (2010.01); H01M 4/66 (2006.01); H01M 10/0562 (2010.01);
U.S. Cl.
CPC ...
H01M 50/572 (2021.01); H01M 4/66 (2013.01); H01M 10/0413 (2013.01); H01M 10/0562 (2013.01); H01M 10/0585 (2013.01); H01M 2200/10 (2013.01); H01M 2200/20 (2013.01); H01M 2300/0065 (2013.01);
Abstract

In the stacked battery, a short-circuit current shunt part is electrically connected to the electric elements, and an insulating layer of the short-circuit current shunt part is constituted of material having a predetermined melting point or glass transition temperature. When heat is excessively generated in the battery due to internal short circuits etc. and the temperature of the battery reaches the melting point of the insulating layer, the insulating layer melts and its shape is changed to short-circuit the short-circuit current shunt part, and current flows from the electric elements into the short-circuit current shunt part. To measure the current flowing into the short-circuit current shunt part makes it possible to easily grasp excessive heat generation of the battery to suppress deterioration of the battery due to heat generation.


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