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:
Aug. 02, 2022

Filed:

May. 21, 2020
Applicant:

Gs Yuasa International Ltd., Kyoto, JP;

Inventor:

Nan Ukumori, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/392 (2019.01); H01M 10/48 (2006.01); H02J 7/00 (2006.01); G01R 31/3842 (2019.01);
U.S. Cl.
CPC ...
G01R 31/392 (2019.01); G01R 31/3842 (2019.01); H01M 10/48 (2013.01); H02J 7/0047 (2013.01);
Abstract

The estimation device 101 is provided with: an acquisition unit 201 for acquiring time-series data on the SOC of a power storage device; a decomposition unit 202 for decomposing a waveform indicating a fluctuation in the SOC in the time-series data into waveform components of a plurality of frequency regions; and an estimation unit 204 for estimating the deterioration of the power storage device on the basis of the intensities of the waveform components and a deterioration coefficient.


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