Title:
BATTERY CONTROL DEVICE AND BATTERY CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2023/139921
Kind Code:
A1
Abstract:
This battery control device comprises: a voltage detecting unit for detecting an open circuit voltage of a secondary battery when the secondary battery is discharged after having been charged; and a control unit for estimating an amount of decrease in the open circuit voltage due to a memory effect, on the basis of a charge/discharge history of the secondary battery.
Inventors:
YOON SANGJI (JP)
Application Number:
PCT/JP2022/043363
Publication Date:
July 27, 2023
Filing Date:
November 24, 2022
Export Citation:
Assignee:
NGK INSULATORS LTD (JP)
International Classes:
G01R31/3828; G01R31/374; G01R31/378; H01M10/44; H01M10/48; H02J7/00
Foreign References:
| JP2007333447A | 2007-12-27 | |||
| JP2021097447A | 2021-06-24 | |||
| JP2017112754A | 2017-06-22 | |||
| JP2000147075A | 2000-05-26 | |||
| JP2004022322A | 2004-01-22 | |||
| JP2005069889A | 2005-03-17 | |||
| JP2019170010A | 2019-10-03 |
Attorney, Agent or Firm:
SUNNEXT INTERNATIONAL PATENT OFFICE (JP)
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