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:
Jun. 17, 2025
Filed:
May. 24, 2023
Samsung Sdi Co., Ltd., Yongin-si, KR;
Jaehwan Ha, Yongin-si, KR;
Kijun Kim, Yongin-si, KR;
Heeeun Yoo, Yongin-si, KR;
Yeonhee Yoon, Yongin-si, KR;
Kyuseo Lee, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
Disclosed is a rechargeable lithium battery including a positive electrode including a positive active material layer; and a negative electrode including a negative active material layer and a negative functional layer on the negative active material layer, wherein the functional layer includes flake-shaped polyethylene particles, and the positive active material layer includes a first positive active material including one or more composite oxides of lithium and a metal selected from cobalt, manganese, nickel, and a combination thereof, and a second positive active material including a compound represented by Chemical Formula 1 and. In Chemical Formula 1, 0.90≤a≤1.8, 0≤x≤0.7, and M is Mg, Co, Ni, or a combination thereof.LiFeMPO Chemical Formula 1