Title:
POWER SUPPLY DEVICE, DIAGNOSIS DEVICE, AND DIAGNOSIS METHOD
Document Type and Number:
WIPO Patent Application WO/2023/234395
Kind Code:
A1
Abstract:
A power supply device according to one aspect of the present technology is provided with: a secondary battery; an electric circuit for charging or discharging the secondary battery; and a measurement unit for measuring a voltage and a current of the secondary battery. This power supply device is further provided with a calculation unit and a derivation unit. The calculation unit calculates a plurality of deterioration parameters of the secondary battery on the basis of the measurement values obtained by the measurement unit. The derivation unit derives a repurpose target of the secondary battery on the basis of the plurality of deterioration parameters obtained through calculation by the calculation unit and deterioration rates of the plurality of deterioration parameters set for each repurpose target candidates.
Inventors:
SHIMURA JUSUKE (JP)
ITO KINICHI (JP)
ITO KINICHI (JP)
Application Number:
PCT/JP2023/020503
Publication Date:
December 07, 2023
Filing Date:
June 01, 2023
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M10/42; G01R31/389; G01R31/392; H01M10/44; H01M10/48; H02J7/00
Domestic Patent References:
| WO2015012144A1 | 2015-01-29 |
Foreign References:
| JP2011258337A | 2011-12-22 | |||
| JP2013120640A | 2013-06-17 | |||
| JP2020022226A | 2020-02-06 | |||
| JP2022044172A | 2022-03-17 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
Download PDF: