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:
May. 07, 2019

Filed:

Aug. 21, 2017
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Inventors:

Yuta Nemoto, Toyota, JP;

Tomohiro Ono, Miyoshi, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/02 (2006.01); H01M 2/04 (2006.01); H01M 2/30 (2006.01); H01M 2/34 (2006.01);
U.S. Cl.
CPC ...
H01M 2/0217 (2013.01); H01M 2/021 (2013.01); H01M 2/0404 (2013.01); H01M 2/0473 (2013.01); H01M 2/30 (2013.01); H01M 2/345 (2013.01); H01M 2/348 (2013.01); H01M 2200/106 (2013.01); H01M 2200/20 (2013.01);
Abstract

A secondary battery according to an embodiment of the present disclosure includes an external terminal electrically connecting a charge collector disposed inside a battery case with a terminal, a first part electrically connected to the charge collector, a second part electrically connected to the terminal, a first connection part electrically connecting the first part with the second part, and a second connection part electrically connecting the first part with the second part, the second connection part being different from the first connection part. The first connection part is ruptured when a displacement of the displacement part toward the outside of the battery case is transferred to the first connection part, and the second connection part becomes nonconductive when a temperature of the second connection part reaches a predefined temperature.


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