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:
Jan. 16, 2024
Filed:
Sep. 09, 2020
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/3842 (2019.01); G01R 31/36 (2020.01); H01M 10/42 (2006.01); H01M 10/44 (2006.01); G01R 31/392 (2019.01);
U.S. Cl.
CPC ...
G01R 31/3842 (2019.01); G01R 31/3644 (2013.01); H01M 10/425 (2013.01); H01M 10/44 (2013.01); G01R 31/392 (2019.01); H01M 2010/4271 (2013.01);
Abstract
A battery management apparatus is configured to diagnose a state of a battery cell based on a capacity-voltage differential profile. Specifically, the battery management apparatus diagnoses a state of the battery cell according to a change pattern of a peak associated with a positive electrode reaction area and a peak associated with an available lithium loss in the capacity-voltage differential profile. The state of the battery cell may be diagnosed in real time even while the battery cell is in operation. In addition, it is possible to independently diagnose whether the positive electrode reaction area of the battery cell is reduced and whether available lithium is lost.