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:
Jan. 03, 2023
Filed:
Feb. 13, 2019
Lg Chem, Ltd., Seoul, KR;
Song-Yi Han, Daejeon, KR;
Abstract
A secondary battery configured to effectively estimate the life or degradation of the secondary battery as the secondary battery degrades includes a packaging material, an electrode assembly, a first electrode lead, a second electrode lead, a first measuring lead, and a second measuring lead. The electrode assembly includes a stack having a plurality of first electrode plates at respective first locations within the stack and a plurality of second electrode plates at respective second locations within the stack, the first and second locations alternating with one another and having a separator interposed between each of the first and second locations. The electrode assembly further includes a first measuring plate and a second measuring plate having the same polarity as the first electrode plates and located at at least one of the first locations within the stack.