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:
Apr. 25, 2017

Filed:

Feb. 12, 2015
Applicant:

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

Inventors:

Hiroyuki Nakayama, Okazaki, JP;

Makoto Nakashima, Toyota, JP;

Masato Komatsuki, Hashima-gun, JP;

Yasuhide Kurimoto, Kasugai, JP;

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/36 (2006.01); G01L 7/00 (2006.01); B60L 11/18 (2006.01); H01M 10/48 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3679 (2013.01); B60L 11/18 (2013.01); G01L 7/00 (2013.01); H01M 10/48 (2013.01); H01M 10/486 (2013.01);
Abstract

A PC executes a control process including the steps of: calculating an internal pressure increase amount P; calculating an internal pressure fluctuation amount ΔP; calculating a deterioration evaluation value D1; calculating a deterioration evaluation value D2; determining that a battery can be shipped as a secondhand battery when D1+D2 is equal to or smaller than a threshold value A; and determining that the battery cannot be shipped as a secondhand battery when D1+D2 is larger than the threshold value A.


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