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:
Feb. 24, 2026
Filed:
Aug. 18, 2021
Lg Energy Solution, Ltd., Seoul, KR;
Gi-Min Nam, Daejeon, KR;
Hyeong-Seok Kim, Daejeon, KR;
Won-Tae Joe, Daejeon, KR;
Tae-Hyun Hwang, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
A battery management system includes a sensing unit to generate a sensing signal indicating a battery voltage and a battery current of a battery, a memory unit to store a charge map recording first to nreference currents, first to nreference voltage ranges, first to nreference states of charge (SOCs) and first to nreference voltage curves for multi-stage constant-current charging, and a control unit to command constant-current charging to a charging circuit using a kreference current corresponding to a kreference voltage range to which the battery voltage belongs, and update the charge map by comparing a kmeasured voltage curve indicating a correlation between the battery voltage and the SOC of the battery over a charging period of the constant-current charging with a kreference voltage curve in response to the battery voltage having reached an upper limit of the kreference voltage range.