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:
Jun. 17, 2025

Filed:

Jul. 13, 2022
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventor:

Hiromasa Tanaka, Okazaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); B60L 58/12 (2019.01); B60L 58/21 (2019.01); B60L 58/22 (2019.01); H01M 10/44 (2006.01);
U.S. Cl.
CPC ...
B60L 58/22 (2019.02); B60L 58/12 (2019.02); B60L 58/21 (2019.02); H01M 10/441 (2013.01); H01M 2220/20 (2013.01);
Abstract

A battery management device that manages a battery includes: multiple voltage detection circuits each connected to a corresponding one of a plurality of battery cells; and multiple discharge circuits each connected to a corresponding one of the battery cells. The battery management device causes the battery cell whose voltage difference from a reference voltage is equal to or greater than a predetermined first threshold and less than a second threshold that is greater than the first threshold to be discharged while a system of the vehicle is stopped, and causes the battery cell whose voltage difference is equal to or greater than the second threshold to be discharged at least either while the system is stopped or while the system is in operation.


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