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:
Jun. 30, 2026
Filed:
Feb. 08, 2023
Lg Energy Solution, Ltd., Seoul, KR;
Sung Ju Hong, Daejeon, KR;
Dong Hyun Kim, Daejeon, KR;
Hyo Seong An, Daejeon, KR;
Geon Choi, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
Abstract
Discussed is a battery system that may include a plurality of battery packs, each of which includes a plurality of battery banks, and a battery management system that calculates a plurality of internal resistance (DCIR) values of the plurality of battery banks in each of the plurality of battery packs, and performs correction on a first internal resistance value related to a battery bank at a predetermined first position in each battery pack, and diagnoses whether the battery bank at the predetermined first position is abnormal, on the basis of the corrected first internal resistance value. Each of the plurality of battery banks may include a plurality of battery cells connected in parallel, and the predetermined first position is a same position in each of the plurality of battery packs.
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