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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 12261273 B1

PDFFull Text
Date of Patent:
Mar. 25, 2025

Filed:

Sep. 11, 2023

Method for generating smoke in cell pack

Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Takayuki Hojo, Nagoya, JP;

Akira Kiyama, Toyota, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Nathanael T Zemui

Int. Cl.
CPC ...
H01M 10/42 (2006.01); H01G 9/008 (2006.01); H01G 9/08 (2006.01); H01G 9/14 (2006.01); H01G 11/14 (2013.01); H01G 11/74 (2013.01); H01G 11/78 (2013.01); H01M 10/48 (2006.01); H01M 50/55 (2021.01); H01M 50/553 (2021.01); H01M 50/562 (2021.01); H01M 50/581 (2021.01); H01M 10/0525 (2010.01); H01M 10/0587 (2010.01);
U.S. Cl.
CPC ...
H01M 10/4285 (2013.01); H01G 9/008 (2013.01); H01G 9/08 (2013.01); H01G 9/14 (2013.01); H01G 11/14 (2013.01); H01G 11/74 (2013.01); H01G 11/78 (2013.01); H01M 10/48 (2013.01); H01M 10/482 (2013.01); H01M 50/55 (2021.01); H01M 50/553 (2021.01); H01M 50/562 (2021.01); H01M 50/581 (2021.01); H01M 10/0525 (2013.01); H01M 10/0587 (2013.01); H01M 2200/10 (2013.01);
Abstract

A method for generating smoke in a cell pack by which a very small amount of smoke can be generated from a specific single unit cell among unit cells constituting the cell pack. The method causes smoke generation in a cell pack in which unit cells are connected and which includes a positive electrode output terminal for electrically connecting the positive electrode terminal of the unit cell and an external device, and a negative electrode output terminal for electrically connecting the negative electrode terminal of the unit cell and an external device. By attaching a heating means to the negative electrode output terminal, the electrode body of a specific single unit cell is heated through the negative electrode output terminal to which the heating means is attached. As a result, it is possible to cause the generation of a small amount of smoke from the specific single unit cell.

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