US 12,272,783 B2
Electrolyte membrane for all-solid state battery and all-solid state battery including the same
Jung-Pil Lee, Daejeon (KR); and Sung-Joong Kang, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/629,928
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Sep. 11, 2020, PCT No. PCT/KR2020/012345
§ 371(c)(1), (2) Date Jan. 25, 2022,
PCT Pub. No. WO2021/049919, PCT Pub. Date Mar. 18, 2021.
Claims priority of application No. 10-2019-0113061 (KR), filed on Sep. 11, 2019.
Prior Publication US 2022/0294001 A1, Sep. 15, 2022
Int. Cl. H01M 10/056 (2010.01); H01M 10/0525 (2010.01)
CPC H01M 10/056 (2013.01) [H01M 10/0525 (2013.01); H01M 2300/0065 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A solid electrolyte membrane for a solid state battery, comprising:
a mixture of a polymer material (A) and a solid electrolyte material (B),
wherein the polymer material (A) comprises a block copolymer and has an ion conductivity of 5×10−7 S/cm or less at 20-30° C.,
wherein the solid electrolyte membrane has an ion conductivity of 1×10−7 S/cm or more at 20-30° C., and
wherein the solid electrolyte material (B) comprises a polymeric solid electrolyte material.