Solid electrolyte precursors, production process therefor, process for producing a solid electrolyte and process for producing a complex of solid electrolyte and electrode active material

摘要

This invention accomplishes the following: a solid electrolyte precursor which gives a solid electrolyte when fired at a temperature below the firing temperatures used in the solid state process and which has a low mass reduction rate in such firing; a method for producing said solid electrolyte precursor; a process for producing a solid electrolyte; and a method for producing a complex of solid electrolyte and electrode active material. This solid electrolyte precursor which is fired at a temperature of less than or equal to 1,000 ° C. to synthesize a solid electrolyte having a single-phase perovskite structure or a single-phase garnet structure and lithium, a group 3 element, a group 4 element and / or a group 5 Element and comprises lithium, an oxide and / or hydroxide of a group 3 element and an oxide and / or hydroxide of a group 4 element and / or a group 5 element.