Title:
荷電状態の補正方法及び装置
Document Type and Number:
Japanese Patent JP7017652
Kind Code:
B2
Abstract:
The present application provides a method and apparatus for correcting a state of charge. The method for correcting a state of charge comprises: determining an operating state of a battery cell, wherein the operating state comprises a discharging state or a charging state; and determining a corrected state of charge of the battery cell according to an acquired current open circuit voltage of the battery cell, an acquired current accumulative capacity of the battery cell, an accumulative capacity correspondence relationship corresponding to the operating state of the battery cell, and an open circuit voltage curve corresponding to a limit initial state of charge, wherein the accumulative capacity correspondence relationship comprises a correspondence relationship between a pre-measured open circuit voltage and an accumulative capacity threshold. A technical solution of the present application can be used to improve the accuracy of calculation of a state of charge.
Inventors:
杜 明▲樹▼
Lee Seong
▲湯▼ 慎之
▲譚▼ 俐
▲盧▼ ▲艷▼▲華▼
▲張▼ ▲偉▼
Lee Seong
▲湯▼ 慎之
▲譚▼ 俐
▲盧▼ ▲艷▼▲華▼
▲張▼ ▲偉▼
Application Number:
JP2020572771A
Publication Date:
February 08, 2022
Filing Date:
April 22, 2020
Export Citation:
Assignee:
Contemporary Amperex Technology Co., Limited
International Classes:
G01R31/382; G01R31/367; G01R31/3842; H01M10/48
Domestic Patent References:
| JP2017125813A | ||||
| JP2018185260A | ||||
| JP2017167163A |
Foreign References:
| WO2013133113A1 | ||||
| WO2014045706A1 |
Attorney, Agent or Firm:
Murayama Yasuhiko
Shinya Mihiro
Tatsuhiko Abe
Shinya Mihiro
Tatsuhiko Abe