| 摘要 |
PROBLEM TO BE SOLVED: To obtain a lithium ion conductive glass ceramic high in crystallinity after heat treatment and high in lithium ion conductivity.SOLUTION: A lithium ion conductive glass ceramic has a composition which contains, in mol%, 28-40% of PO, 30-50% of TiO, 10-25% of LiO, 0-5% of MO(M=Al or Ga, not including 0% and 5%), and 4-20% of SiO, and preferably contains Li, M, Ti, P and O, as main crystals and a crystal having a NASICON type structure. |
