Embodiments of the present disclosure are directed to a doped tin oxide. The doped tin oxide includes a tin oxide and at least one oxide of a doping element. The doping element includes at least one of vanadium and molybdenum. The doped tin oxide includes an amount of the tin oxide ranging from 90 mol % to 99 mol %, and an amount of the at least one oxide ranging from 1 mol % to 10 mol %.

Described are a solid material which has ionic conductivity for lithium ions, a process for preparing said solid material, a use of said solid material as a solid electrolyte for an electrochemical cell, a solid structure selected from the group consisting of a cathode, an anode and a separator for an electrochemical cell comprising the solid material, and an electrochemical cell comprising such solid structure.

The current disclosure relates to an anode material with the general formula M.sub.ySb-MO.sub.xC, where M and M are metals and MO.sub.xC forms a matrix containing M.sub.ySb. It also relates to an anode material with the general formula M.sub.ySn-MC.sub.xC, where M and M are metals and MC.sub.xC forms a matrix containing M.sub.ySn. It further relates to an anode material with the general formula Mo.sub.3Sb.sub.7C, where C forms a matrix containing Mo.sub.3Sb.sub.7. The disclosure also relates to an anode material with the general formula M.sub.ySb-MC.sub.xC, where M and M are metals and MC.sub.xC forms a matrix containing M.sub.ySb. Other embodiments of this disclosure relate to anodes or rechargeable batteries containing these materials as well as methods of making these materials using ball-milling techniques and furnace heating.

A solid electrolyte, a method of manufacturing the same, and a lithium battery including the solid electrolyte. The solid electrolyte may include a solid ion conductor represented by Formula 1:

Li.sub.aB.sub.bAl.sub.mQ.sub.nO.sub.cX.sub.dFormula 1

wherein, in Formula 1, Q is an element that has an ionic radius that differs from an ionic radius of Al by less than 30% and has +3 and +5 valence states, X is at least one of F, Cl, Br, or I, 3.5a4.5, 3b<5.2, 1m3, 0<n<2, 11c13, and 0<d1.5.