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The new crystalline material family, lithium superionic conductor (thio-LISICON), was found in the system. The solid solution member in shows the highest conductivity of at 25°C of any sintered ceramic, together with negligible electronic conductivity, high electrochemical stability, no reaction with lithium metal, and no phase transition up to 500°C. Its material design concepts of changing constituent ions with various ionic radii, valence, and polarizability are described. © 2001 The Electrochemical Society. All rights reserved.
Kanno et al. (2001) studied this question.