Title:
ESTIMATION DEVICE, ESTIMATION METHOD, AND COMPUTER PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/241448
Kind Code:
A1
Abstract:
The estimation device 4 is provided with: a first acquisition unit 41 for acquiring SOC values obtained at the start and end of charging, discharging, or float-charging of a power storage element 3; a storage unit 42 storing multiple deterioration coefficients corresponding to multiple SOC ranges; an identification unit 41 for identifying, on the basis of the start and end SOC values acquired by the first acquisition unit 41, a corresponding deterioration coefficient from among the multiple deterioration coefficients stored in the storage unit 42; and an estimation unit 41 for estimating the deterioration of the power storage element 3 on the basis of the deterioration coefficient identified by the identification unit 41.
Inventors:
OJI KATSUYA (JP)
Application Number:
PCT/JP2020/020136
Publication Date:
December 03, 2020
Filing Date:
May 21, 2020
Export Citation:
Assignee:
GS YUASA INT LTD (JP)
International Classes:
H01M10/42; G01R31/367; G01R31/382; G01R31/392; H01M10/48; H02J7/00
Domestic Patent References:
| WO2013099401A1 | 2013-07-04 |
Foreign References:
| JP2015153656A | 2015-08-24 | |||
| JP2001097150A | 2001-04-10 | |||
| CN107015153A | 2017-08-04 | |||
| JPH0128957B2 | 1989-06-06 |
Other References:
See also references of EP 3979387A4
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