2results about How to "Low electronic conductivity" patented technology

This invention provides a core-shell structured sulfide electrolyte, its preparation method, and a solid-state battery. The core-shell structured sulfide electrolyte includes a sulfide solid electrolyte and a shell layer coating the surface of the sulfide solid electrolyte; the shell layer is composed of hydrophobic silica; wherein the hydrophobic silica is obtained by hydrophobic modification of silica with a modifier; the modifier includes a coupling agent for hydrophobic modification. This core-shell structured sulfide electrolyte exhibits higher air stability and chemical stability, which is beneficial for the application of sulfide electrolytes in solid-state batteries.

The application discloses a kind of solid electrolyte and preparation method thereof, polymer composite solid electrolyte and solid lithium battery, belong to solid lithium battery technical field, solid electrolyte includes lithium-containing transition metal oxide and doped element doped in lithium-containing transition metal oxide;The chemical formula of the solid electrolyte is Li x M (1‑y) N y O z ;Wherein, M is any one of transition metal, and the transition metal includes any one of Co, Ni or Mn, N is any one or more of doped element, x>0, 0.001≤y≤0.5, z>0.The solid electrolyte provided by the application has high ionic conductivity, controllable electronic conductivity, good interface compatibility, strong environmental stability and low cost, and is suitable for existing solid lithium battery system.