Dry cathode film, dry cathode comprising dry cathode film and all-solid secondary battery comprising dry cathode film

Abstract

A dry cathode film and a dry cathode and an all-solid secondary battery, each including the same. The dry cathode film includes a dry cathode active material, a dry sulfide-based solid electrolyte, and a dry binder, wherein the dry cathode active material includes a composite of Li2S, a lithium salt (LiaXb), and a carbonaceous material (C), the composite is represented by Li2S—LiaXb—C (wherein 1≤a≤5 and 1≤b≤5), and the X is I, Br, Cl, F, H, O, Se, Te, N, P, As, Sb, Al, B, OCl, PF6, BF4, SbF6, AsF6, ClO4, AlO2, AlCl4, NO3, CO3, BH4, SO4, BO3, PO4, NCl, NCl2, BN2, or a combination thereof.

Dependencies are inferred from the claim text.