Title:
CAPACITY DETERIORATION ESTIMATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/048033
Kind Code:
A1
Abstract:
The present invention makes it possible to suitably estimate deterioration of the capacity of a storage battery. To this end, a capacity deterioration estimation device (110) is provided with: a data reception unit (112) that receives a measurement result for a current value (I) and a voltage value (V) of a storage battery (101) from a measurement unit (102) for measuring the current value (I) and the voltage value (V); and a first capacity deterioration estimation unit (114), said first capacity deterioration estimation unit (114) being equipped with a function for reading out first to fourth tables (MP1 to MP4) from a table storage unit (116) and a function for calculating a first estimated capacity deterioration rate (SOHQA) on the basis of first to fourth relational expressions at the start of charging.
Inventors:
YONEMOTO MASAHIRO (JP)
INOUE TAKESHI (JP)
HONKURA KOHEI (JP)
HIRASAWA SHIGEKI (JP)
KONISHI HIROAKI (JP)
MOCHIZUKI MASAHITO (JP)
SUMIKAWA YOSUKE (JP)
HORIKOSHI NOBUYA (JP)
INOUE TAKESHI (JP)
HONKURA KOHEI (JP)
HIRASAWA SHIGEKI (JP)
KONISHI HIROAKI (JP)
MOCHIZUKI MASAHITO (JP)
SUMIKAWA YOSUKE (JP)
HORIKOSHI NOBUYA (JP)
Application Number:
PCT/JP2023/023085
Publication Date:
March 07, 2024
Filing Date:
June 22, 2023
Export Citation:
Assignee:
HITACHI HIGH TECH CORP (JP)
International Classes:
G01R31/392; G01R31/382; G01R31/385; G01R31/389; H01M10/48; H02J7/00
Domestic Patent References:
| WO2018179852A1 | 2018-10-04 | |||
| WO2020218184A1 | 2020-10-29 | |||
| WO2021049134A1 | 2021-03-18 | |||
| WO2022024994A1 | 2022-02-03 |
Foreign References:
| JP2019103157A | 2019-06-24 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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