US 11,984,552 B2
Phase-transition solid electrolyte material and all solid secondary battery including the same
Seitaro Ito, Kanagawa (JP); Tomoyuki Tsujimura, Kanagawa (JP); and Yuichi Aihara, Kanagawa (JP)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Nov. 14, 2019, as Appl. No. 16/683,457.
Claims priority of application No. 2018-215189 (JP), filed on Nov. 16, 2018; and application No. 10-2019-0050996 (KR), filed on Apr. 30, 2019.
Prior Publication US 2020/0161699 A1, May 21, 2020
Int. Cl. H01M 10/0562 (2010.01); C01G 53/00 (2006.01); H01M 4/38 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0585 (2010.01)
CPC H01M 10/0562 (2013.01) [C01G 53/42 (2013.01); C01G 53/50 (2013.01); H01M 4/382 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0585 (2013.01); C01P 2002/72 (2013.01); C01P 2006/40 (2013.01); H01M 2300/0068 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A phase-transition solid electrolyte material comprising: a sulfide material represented by Formula (4)
d(eLiBr-(1-e)LiCl)-(1-d)Li3PS4  (4)
wherein, in Formula (4)
0.1≤d≤0.7, and
0≤e≤1;
the phase-transition solid electrolyte material further comprising at least one sulfide material represented by Formula (1), wherein the at least one sulfide material represented by Formula (1) is distinct from the sulfide material represented by Formula (4):
bLiX-(1-b)(cLi2S-(1-c)P2S5)  (1)
wherein, in Formula (1),
0.1≤b≤0.7,
0.6≤c≤0.9,
and X is at least one of Cl, Br, or I.