公开(公告)号：US20240304856A1

公开(公告)日：2024-09-12

申请号：US18596329

申请日：2024-03-05

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Seokyoon YOON ,  YOUNG SAM PARK ,  Seok Hun KANG ,  Jaecheol CHOI ,  Dong Ok SHIN ,  Young-Gi LEE ,  Ju Young KIM ,  Jinyoung KIM

IPC: H01M10/0562 ,  H01M10/052 ,  H01M10/058 ,  H01M50/403 ,  H01M50/44

CPC classification number: H01M10/0562 ,  H01M10/052 ,  H01M10/058 ,  H01M50/403 ,  H01M50/44 ,  H01M2300/0091

Abstract: Provided is a lithium secondary battery including a first electrode, a second electrode spaced apart from the first electrode, a solid electrolyte disposed between the first electrode and the second electrode, wherein the solid electrolyte includes a fibril and a plurality of sulfide particles, the fibril includes polytetrafluoroethylene, the fibril surrounds at least some of the sulfide particles or is in contact with at least some of the sulfide particles.