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. 02, 2021
Filed:
Jul. 11, 2018
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Incheon University Industry Academic Cooperation Foundation, Incheon, KR;
Seung-Min Oh, Incheon, KR;
Yeolmae Yeo, Anseong-si, KR;
Kiseok Koh, Suwon-si, KR;
Yoon Sung Lee, Suwon-si, KR;
Tae-Hyun Kim, Incheon, KR;
Junyoung Mun, Incheon, KR;
Nakgyu Go, Incheon, KR;
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Incheon, KR;
Incheon University Industry Academic Cooperation Foundation, Incheon, KR;
Abstract
Disclosed herein are provided a lithium secondary battery capable of improving an output characteristic, a life characteristic, and stability of electrode adhesion by using a binder containing dopamine-polymerized heparin in a anode containing silicon. In accordance with an aspect of the present disclosure, a lithium secondary battery includes: an cathode; a anode; a separation film disposed between the cathode and the anode; and an electrolyte, wherein the anode comprises an electrode active material comprising a silicon-based material and graphite, a binder and a conductive material, and the binder comprises any one of heparin and lithium polyacrylate (LiPAA).