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:
Sep. 27, 2022
Filed:
Dec. 19, 2018
Lg Chem, Ltd., Seoul, KR;
Song-Yi Han, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
Abstract
An apparatus for estimating a state of a secondary battery, connectable to a positive electrode lead, a negative electrode lead, a first measuring lead, and a second measuring lead in the secondary battery, including: a terminal case including: inner terminals contactable with the positive electrode lead, the negative electrode lead, the first measuring lead, or the second measuring lead on a first surface of the terminal case, and outer terminals respectively electrically connectable to the inner terminals on a second surface facing the first surface of the terminal case, a voltage measuring unit electrically connected to at least two of the outer terminals, and measuring a potential difference between the first and the second measuring lead, and a control unit estimating a state of health of the secondary battery based on the potential difference between the first measuring lead and the second measuring lead.