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:
Aug. 23, 2022
Filed:
Dec. 18, 2019
Lg Chem, Ltd., Seoul, KR;
Young-Jin Kim, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
Abstract
A device for estimating state of charge of battery of the present disclosure includes: a sensing unit configured to measure at least one of a first voltage and an OCV of a battery; and a processor operably coupled to the sensing unit. The processor is configured to estimate a second voltage of the battery based on the OCV of the battery or a previously estimated first SOC, calculate a counted voltage error by counting a voltage error between the first voltage and the second voltage of the battery, correct the second voltage of the battery depending on whether the counted voltage error is included in a reference error range, and estimate a first SOC of the battery based on the second voltage or the corrected second voltage.