US 12,176,482 B1
Solid electrolyte membrane, method for manufacturing the same, and all-solid-state battery comprising the same
Jung-Pil Lee, Daejeon (KR); Min-Sang Song, Daejeon (KR); Jiyoung Kim, Daejeon (KR); Dong Ju Lee, La Jolla, CA (US); and Zheng Chen, San Diego, CA (US)
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 Dec. 20, 2023, as Appl. No. 18/390,298.
Int. Cl. H01M 10/0562 (2010.01); H01M 4/62 (2006.01)
CPC H01M 10/0562 (2013.01) [H01M 4/623 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A solid electrolyte membrane, comprising:
a first solid electrolyte layer; and
a second solid electrolyte layer on one side of the first solid electrolyte layer,
wherein the first solid electrolyte layer comprises a first solid electrolyte and a particulate binder, wherein a weight of the particulate binder exceeds 0% by weight and is 2% by weight or less based on a total weight of the first solid electrolyte layer,
wherein the second solid electrolyte layer comprises a second solid electrolyte and a fibrous binder, wherein a weight of the fibrous binder is 0.01 to 5% by weight based on a total weight of the second solid electrolyte layer, and
wherein the solid electrolyte membrane is substantially free of solvent.