The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 17, 2026

Filed:

Feb. 09, 2022
Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventors:

Hee-Seok Jeong, Daejeon, KR;

Yoon-Jung Bae, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/48 (2006.01); G01R 31/389 (2019.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/587 (2010.01); H01M 10/42 (2006.01); H01M 10/44 (2006.01); H02J 7/00 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 10/48 (2013.01); G01R 31/389 (2019.01); H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/587 (2013.01); H01M 10/425 (2013.01); H01M 10/44 (2013.01); H02J 7/0069 (2020.01); H01M 2004/027 (2013.01); H01M 2010/4271 (2013.01);
Abstract

A battery management apparatus includes a measuring unit configured to measure a charge voltage, a charge current, a discharge voltage and a discharge current in the process of charging and discharging a battery according to a preset charge C-rate and a preset discharge C-rate, and a control unit configured to receive information about the voltage and current of the battery from the measuring unit, calculate a charge resistance for each voltage of the battery based on the charge voltage and the charge current, calculate a discharge resistance for each voltage of the battery based on the discharge voltage and the discharge current, calculate a resistance ratio between the charge resistance and the discharge resistance for each voltage of the battery, and set a discharge C-rate for the battery based on the resistance ratio calculated for each voltage of the battery.


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