| 摘要 |
PROBLEM TO BE SOLVED: To provide a lithium ion conductor which has lithium ion conductivity as well as electron conductivity, and a solid lithium battery of high output characteristic and energy density.SOLUTION: The lithium ion conductor is made from lithium lanthanum titanium oxide having an electron conductivity higher than 1.0×10S/cm. The solid lithium battery includes a positive electrode layer, a negative electrode layer, and a solid electrolyte layer which is interposed between the positive electrode layer and the negative electrode layer, wherein the positive electrode layer and/or the negative electrode layer contains at least an electrode active material and the lithium ion conductor. |
