R&D of super lithium ion conductor using liquid phase method

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Lithium titanate (Li_2TiO_3) is one of the most promising candidates among tritium breeding materials. In order to decrease the mass-change at high temperature, lithium ion conductor with added Li should be developed to improve the physical and chemical stability. In this study, synthesis methods of lithium ion conductor with added Li such as Li_<2+x>TiO_3 have been extensively investigated by liquid phase method. LiOH・H_2O and H_2TiO_3 were proportionally mixed with the molar ratio Li/Ti of 2.2. The results of XRD measurement showed that the synthesis material existed as super lithium ion conductor Li2_<+x>TiO_3.