US 12,325,631 B2
Solid ion conductor, solid electrolyte including the solid ion conductor, electrochemical cell including the solid ion conductor, and preparation method of the same
Seoksoo Lee, Yongin-si (KR); Soyeon Kim, Suwon-si (KR); and Hyunseok Kim, Suwon-si (KR)
Assigned to SAMSUNG SDI CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung SDI Co., Ltd., Yongin-si (KR)
Filed on Jun. 7, 2023, as Appl. No. 18/330,949.
Application 18/330,949 is a continuation of application No. 17/027,799, filed on Sep. 22, 2020, granted, now 11,702,337.
Claims priority of application No. 10-2019-0119828 (KR), filed on Sep. 27, 2019; and application No. 10-2020-0114856 (KR), filed on Sep. 8, 2020.
Prior Publication US 2023/0331554 A1, Oct. 19, 2023
Int. Cl. C01B 25/14 (2006.01); H01M 4/04 (2006.01); H01M 4/134 (2010.01); H01M 4/40 (2006.01); H01M 10/0562 (2010.01)
CPC C01B 25/14 (2013.01) [H01M 4/0471 (2013.01); H01M 4/134 (2013.01); H01M 4/405 (2013.01); H01M 10/0562 (2013.01); C01P 2002/30 (2013.01); C01P 2006/40 (2013.01); H01M 2300/0068 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An electrochemical cell comprising:
a cathode layer including a cathode active material layer;
an anode layer including an anode active material layer; and
an electrolyte layer arranged between the cathode layer and the anode layer, wherein at least one of the cathode active material layer and the electrolyte layer comprises a compound represented by Formula 2 and having an argyrodite-type crystal structure:
Li7-x-zM1xPS6-zM3z  Formula 2
wherein, in Formula 2,
M1 is at least one element of Group 2 or Group 11 of the periodic table,
M3 is at least one element of Group 17 of the periodic table, and
wherein 0<x<0.1, and 1<z≤2, and
wherein M1 is a monovalent cation or a divalent cation.