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. 11, 2026
Filed:
May. 27, 2022
Lg Energy Solution, Ltd., Seoul, KR;
Tae Gon Kim, Daejeon, KR;
Dong Chan Lee, Daejeon, KR;
Jeong Beom Lee, Daejeon, KR;
Sul Cham Kim, Daejeon, KR;
Hye Jin Kwon, Daejeon, KR;
Hoe Jin Hah, Daejeon, KR;
Ki Tae Kim, Daejeon, KR;
So Hee Kim, Daejeon, KR;
Jeong Gil Kim, Daejeon, KR;
Myeong Soo Kim, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
The present disclosure relates to an all-solid lithium secondary battery and a preparation method thereof, wherein the all-solid lithium secondary battery includes a positive electrode active material layer, a negative electrode active material layer, and a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer, wherein the negative electrode active material layer includes a carbon structure and silver nanoparticles, the carbon structure includes a structure in which a plurality of graphene sheets are connected to each other, and the plurality of graphene sheets include two or more graphene sheets having different plane directions.