US 11,908,993 B2
Method for manufacturing solid electrolyte membrane for all solid type battery and solid electrolyte membrane manufactured by the method
Sung-Ju Cho, Daejeon (KR); Ho-Suk Shin, Daejeon (KR); Seung-He Woo, Daejeon (KR); Sung-Joong Kang, Daejeon (KR); and Hyea-Eun Han, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
Filed on Apr. 20, 2022, as Appl. No. 17/724,933.
Application 17/724,933 is a continuation of application No. 16/473,137, granted, now 11,342,578, previously published as PCT/KR2018/005570, filed on May 15, 2018.
Claims priority of application No. 10-2017-0060063 (KR), filed on May 15, 2017.
Prior Publication US 2022/0255117 A1, Aug. 11, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 10/056 (2010.01); H01M 10/0525 (2010.01); H01M 50/431 (2021.01); H01M 50/443 (2021.01); H01M 50/42 (2021.01); H01M 50/403 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01)
CPC H01M 10/056 (2013.01) [H01M 10/0525 (2013.01); H01M 50/403 (2021.01); H01M 50/42 (2021.01); H01M 50/431 (2021.01); H01M 50/443 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01)] 15 Claims
OG exemplary drawing
 
1. A battery comprising an anode, a cathode and a solid electrolyte membrane interposed between the anode and the cathode, the solid electrolyte membrane comprising:
a plurality of inorganic solid electrolyte particles; and
a plurality of polymer filaments, wherein the plurality of polymer filaments are entangled and arranged crossed and linked to form a 3-dimensional mesh structure,
the mesh structure is filled with the plurality of inorganic solid electrolyte particles along a thicknesswise direction,
a content of the plurality of inorganic solid electrolyte particles in the solid electrolyte membrane ranges from 40 wt % to 90 wt % based on a total weight of the solid electrolyte membrane, and
the solid electrolyte membrane has a porosity of 10 vol % or less.