US 12,411,177 B2
Method for battery capacity estimation, electronic apparatus, and storage medium
Yaqing Sun, Dongguan (CN); Zhifeng Wang, Dongguan (CN); and Dandan Lu, Dongguan (CN)
Assigned to DONGGUAN NVT TECHNOLOGY LIMITED, Dongguan (CN)
Filed by DONGGUAN NVT TECHNOLOGY LIMITED, Dongguan (CN)
Filed on May 30, 2023, as Appl. No. 18/325,333.
Application 18/325,333 is a continuation of application No. PCT/CN2020/132355, filed on Nov. 27, 2020.
Prior Publication US 2023/0305069 A1, Sep. 28, 2023
Int. Cl. G01R 31/367 (2019.01); G01R 31/36 (2020.01); G01R 31/387 (2019.01); H01M 10/42 (2006.01); H01M 10/48 (2006.01)
CPC G01R 31/367 (2019.01) [G01R 31/3648 (2013.01); G01R 31/387 (2019.01); H01M 10/425 (2013.01); H01M 10/48 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method for battery capacity estimation of a battery, wherein the method comprises:
obtaining a charging current, a charging voltage, a charging time, and a charging voltage interval of the battery;
determining a charging current interval and a charging time interval based on the charging current, the charging voltage, and the charging time, wherein the charging current interval and the charging time interval correspond to the charging voltage interval;
obtaining training features for training a model, wherein the training features comprise training electrochemical features and training time domain features;
determining actual features of the battery based on the charging voltage interval, the charging current interval, the charging time interval, and the training features, wherein the actual features comprise actual electrochemical features and actual time domain features; and
estimating, based on the model and the actual features, an actual capacity of the battery.