US 12,125,974 B1
Method for densification of sulfide solid electrolytes
Ping Liu, San Diego, CA (US); Junghwa Hong, Newark, CA (US); Mengchen Liu, San Diego, CA (US); Ke Zhou, San Diego, CA (US); Jeong Woo Oh, San Diego, CA (US); and Min-Sang Song, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR); and THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, Oakland, CA (US)
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR); and THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, Oakland, CA (US)
Filed on Oct. 12, 2023, as Appl. No. 18/485,902.
Int. Cl. H01M 10/0562 (2010.01)
CPC H01M 10/0562 (2013.01) [H01M 2300/0068 (2013.01)] 36 Claims
OG exemplary drawing
 
1. A solid electrolyte composition comprising:
a sulfide-containing solid electrolyte material, having a surface; and
an organic coating, wherein the organic coating is formed on the surface of the sulfide-containing solid state electrolyte material,
wherein the coating is formed from at least one compound of Chemical Formula 1, and optionally Chemical Formula 2:
R-A  Chemical Formula (1)
R-A′-R  Chemical Formula (2)
wherein:
A is a SH group, an isocyanate, an amine, or a leaving group;
A′ is a —S-moiety or a —S—S— moiety; and
each R is independently a substituted or unsubstituted C3-C20 alkyl group, and
wherein the compound of Chemical Formula 1 is 1-undecanethiol.