| 摘要 |
PROBLEM TO BE SOLVED: To provide an all-solid secondary battery having excellent battery characteristics.SOLUTION: An all-solid secondary battery includes: a positive electrode having a positive electrode active material layer, a negative electrode having a negative electrode active material layer and a solid electrolyte layer between these positive and negative electrode active material layers. Thickness of the solid electrolyte layer is 2 to 20 μm, and the solid electrolyte layer contains: a solid electrolyte particle containing the particle in the amount of 10 to 40 wt.%, diameter of which is 0.1 μm or more and less than 1.0 μm, and also containing the particle in the amount of 60 to 90 wt.%, diameter of which is 1.0 μm or more and less than 20 μm; and a binder containing a polymer which has a gel structure.SELECTED DRAWING: None |
