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.

The present disclosure relates to lithium nickel phosphate ternary glasses and to the method to obtain them. The disclosure also relates to the preparation and use of lithium nickel phosphate ternary glasses as active materials of positive electrodes, in particular of metal-ion accumulators, as well as the active materials and electrodes.

The present disclosure relates to lithium nickel phosphate ternary glasses and to the method to obtain them. The disclosure also relates to the preparation and use of lithium nickel phosphate ternary glasses as active materials of positive electrodes, in particular of metal-ion accumulators, as well as the active materials and electrodes.

A glass ceramic solid electrolyte mixture including glass ceramic solid electrolyte including a ternary glass ceramic of borate, Li.sub.2SO.sub.4 and a lithium halide. Also, a glass ceramic solid electrolyte obtained from the mixture, a solid state battery including the glass ceramic solid electrolyte, and methods of producing the glass ceramic solid electrolyte and the solid state battery.