Sulfidfestelektrolyt und Herstellungsverfahren und Anwendung davon

Details

Veröffentlichungs-Nr.

EP4725905

Anmeldetag

14. August 2025

Veröffentlichung

15. April 2026

Rechtsraum

EP

Abstract

Disclosed are a sulfide solid electrolyte and a preparation method and an application thereof. The sulfide solid electrolyte has a molecular formula of Li<a>P<1-b>M<b>S<c>O<d>X<e>; wherein: 5<a<6; 0<b<1; 1.5<c<5, 0<d<2.5, 4<c+d<5, 1<e<2; M is selected from one or more of Al, Ga, In, Ti, Sc, As, Sb, Bi, V or Nb; X is selected from one or more of Cl, Br or I. Through the sulfide solid electrolyte and the preparation method and the application thereof provided by the present disclosure, it is possible to enhance the air stability and chemical stability of the sulfide solid electrolyte, increase the conductivity of the sulfide solid electrolyte, improve the air stability, and ameliorate the electrolyte/active material interface properties, thereby improving the compatibility with active materials, reducing packaging steps and the use of packaging materials, and thus significantly improving the capacity, number of cycles and energy density of lithium-ion batteries.

Anmelder

Firma

AESC Japan Ltd.

Land

🇯🇵 Japan