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.
Patent No.:
Date of Patent:
Nov. 11, 2025
Filed:
Nov. 01, 2023
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
Yoon-Jung Bae, Daejeon, KR;
Kyung-Hwa Woo, Daejeon, KR;
Hee-Seok Jeong, Daejeon, KR;
A-Ming Cha, Daejeon, KR;
Assignee:
LG Energy Solution, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/392 (2019.01); G01R 31/3842 (2019.01);
U.S. Cl.
CPC ...
G01R 31/392 (2019.01); G01R 31/3842 (2019.01);
Abstract
An apparatus for diagnosing a battery includes a data obtaining unit configured to obtain battery information including voltage and current of a battery during a charging cycle of the battery, and a control unit configured to calculate a constant current charging capacity ratio and a constant voltage charging capacity ratio during the charging cycle based on the battery information, and determine a deterioration type of the battery based on the constant current charging capacity ratio and the constant voltage charging capacity ratio.