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:
Jul. 15, 2025

Filed:

Jul. 12, 2022
Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventors:

Sun-Jong Lee, Daejeon, KR;

Cheol-Taek Kim, Daejeon, KR;

Yong-Chul Sung, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/36 (2020.01); G01R 31/00 (2006.01); G01R 31/3835 (2019.01);
U.S. Cl.
CPC ...
G01R 31/3648 (2013.01); G01R 31/007 (2013.01); G01R 31/3835 (2019.01);
Abstract

A battery diagnosis apparatus according to the present disclosure is directed to providing a battery diagnosis apparatus, a battery pack, an electric vehicle and a battery diagnosis method for diagnosing anomalies in a single battery cell or each of a plurality of battery cells connected in series using time-dependent changes in cell voltage of each battery cell without a process of comparing the cell voltage of each battery cell with the cell voltage of other battery cell(s).


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