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:
Sep. 22, 2026
Filed:
Oct. 12, 2021
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventor:
Jeong Wan Kim, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/392 (2019.01); G01R 31/389 (2019.01);
U.S. Cl.
CPC ...
G01R 31/392 (2019.01); G01R 31/389 (2019.01);
Abstract
There is provided a battery diagnosis apparatus including a calculating unit for calculating degrees of aging of a battery cell and a battery module including the battery cell, a measuring unit for measuring an alternating current (AC) impedance of a battery pack including the battery module, an estimating unit for estimating a state of health (SOH) of the battery pack based on the AC impedance of the battery pack, and a diagnosing unit for diagnosing a state of the battery pack, based on the degree of aging of the battery cell, the degree of aging of the battery module, and the SOH of the battery pack.