公开(公告)号：US20250054994A1

公开(公告)日：2025-02-13

申请号：US18797448

申请日：2024-08-07

Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE

Inventor： Seung Ho CHOI ,  Ji Sang YU ,  Woo Suk CHO ,  Kyung Su KIM

IPC: H01M4/66 ,  H01M4/02 ,  H01M10/052 ,  H01M10/0585 ,  H01M10/42 ,  H01M10/44

Abstract: Disclosed are a negative-electrode-free all-solid-state battery and a method for manufacturing the same, in which the negative-electrode-free all-solid-state battery has a coating layer including a lithium alloy derived from a sulfide-based inorganic compound in which a lithium site is doped with a doping element, and thus has excellent electrochemical characteristics and life characteristics.

公开(公告)号：US20250055026A1

公开(公告)日：2025-02-13

申请号：US18796796

申请日：2024-08-07

Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE

Inventor： Seung Ho CHOI ,  Ji Sang YU ,  Woo Suk CHO ,  Kyung Su KIM

IPC: H01M10/0562 ,  H01M4/02 ,  H01M4/04 ,  H01M4/134 ,  H01M4/40

Abstract: Disclosed are a sulfide-based solid electrolyte doped with silver to have a novel composition, and an all-solid-state battery including the same.
According to one aspect of the present disclosure for achieving the above-described technical purpose, there is provided a sulfide-based solid electrolyte comprising a compound represented by a following Chemical formula 1: Lia-bMbPcSdXe  [Chemical formula 1] wherein M includes at least one selected from the group consisting of Ag, Na, K, Rb, Cs, Fr, and a combination thereof, wherein X includes at least one selected from the group consisting of F, Cl, Br, I, and combinations thereof, wherein 0