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:
Dec. 05, 2023

Filed:

Sep. 16, 2020
Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventor:

Hyeon-Jin Song, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/392 (2019.01); G01R 31/396 (2019.01); H02J 7/00 (2006.01); G01R 19/12 (2006.01);
U.S. Cl.
CPC ...
G01R 31/392 (2019.01); G01R 19/12 (2013.01); G01R 31/396 (2019.01); H02J 7/00714 (2020.01);
Abstract

A battery management apparatus includes a measuring unit configured to measure a voltage of each of a plurality of battery cells, a converter connected to corresponding battery cells among the plurality of battery cells and configured to form a charge and discharge path between the connected battery cells according to an operation state of a switch included therein, and a control unit configured to receive a voltage value of each of the plurality of battery cells from the measuring unit, control the operation state of the switch included in the converter, calculate a voltage change rate of a charging cell charged by the converter according to the control of the operation state of the switch, and determine whether the charging cell is degraded based on the calculated voltage change rate.


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