US 12,148,880 B1
Methods for improving critical current density in a sulfide-based all-solid-state lithium-ion battery
Ping Liu, San Diego, CA (US); Ke Zhou, San Diego, CA (US); Mengchen Liu, 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 Apr. 30, 2024, as Appl. No. 18/650,734.
Int. Cl. H01M 10/0562 (2010.01); H01M 10/0525 (2010.01)
CPC H01M 10/0562 (2013.01) [H01M 10/0525 (2013.01); H01M 2300/008 (2013.01); H01M 2300/0094 (2013.01)] 20 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, and
wherein the coating is formed from at least one compound of Chemical Formula 1 and the sulfide-containing solid-state electrolyte material:
A-R—W  Chemical Formula 1
wherein:
A is a SH, a triethoxysilyl group or a trimethoxysilyl group;
R is a substituted or unsubstituted C3-C20 alkylene group; and
W is a sulfonate, a phosphonate, or a salt thereof.