| 摘要 |
PROBLEM TO BE SOLVED: To provide a sodium ion solid electrolyte which is capable of maintaining high ion conductivity even at a low temperature lower than 100°C, has a sufficiently high decomposition voltage, and is electrochemically stable, and to provide a method for producing the same, and a secondary battery provided with the solid electrolyte.SOLUTION: The solid electrolyte comprises at least two sodium compounds selected from a group consisting of NaBH, NaNH, and NaI. |
