Amorphous solid electrolyte precursor powder and its manufacturing method, and manufacturing method of solid electrolyte having NASICON type crystal structure

Abstract

To provide an amorphous solid electrolyte precursor powder which can be crystallized to obtain a solid electrolyte with a NASICON crystal structure that exhibits high ionic conductivity, a manufacturing method thereof, and a manufacturing method of a solid electrolyte having NASICON crystal structure.SOLUTION: An amorphous solid electrolyte precursor powder contains 1 mass% to 4 mass% of lithium, 0.5 mass% to 6 mass% of aluminum, 15 mass% to 35 mass% of germanium, 10 mass% to 30 mass% of phosphorus, and 0.05 mass% to 3 mass% of nitrogen, and the balance is oxygen.SELECTED DRAWING: Figure 1