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:
Feb. 11, 2020

Filed:

Dec. 08, 2015
Applicant:

Gs Yuasa International Ltd., Kyoto-shi, Kyoto, JP;

Inventors:

Keita Suzuki, Kyoto, JP;

Yohei Tao, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/387 (2019.01); H01M 10/48 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
G01R 31/387 (2019.01); H01M 10/482 (2013.01); H02J 7/0021 (2013.01);
Abstract

Provided is an energy storage device state estimation device () for estimating a state of an energy storage device () at a predetermined point of time. The energy storage device state estimation device () includes: a history acquisition part () configured to acquire a charge-discharge history of the energy storage device () up to the predetermined point of time; a deterioration value estimation part () configured to estimate a time dependent deterioration value and a working electricity dependent deterioration value of the energy storage device () at the predetermined point of time using information about time dependent deterioration and information about working electricity dependent deterioration corresponding to the charge-discharge history; and a state estimation part () configured to estimate a state of the energy storage device () at the predetermined point of time using the time dependent deterioration value and the working electricity dependent deterioration value.


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