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Predominant Factors of Lithium Ion Conductivity in Perovskite-Type Oxides

Published online by Cambridge University Press:  15 February 2011

Y. Inaguma ,
T. Katsumata ,
J. Yu  and
M. Itoh
Y. Inaguma*
Affiliation:
Materials and Structures Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226, Japan
T. Katsumata
Affiliation:
Materials and Structures Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226, Japan
J. Yu
Affiliation:
Materials and Structures Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226, Japan
M. Itoh
Affiliation:
Materials and Structures Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226, Japan
*
*inagumal@rlem.titech.ac.jp
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Abstract

The relation between the structure and the lithium ion conductivity in perovskite-type oxides ABO3 was investigated from the viewpoint of the the arrangement of A-site ions. It was showed that the conductivity in La2/3-xLi3x□1/3–2xTiO3 is strongly influenced by not only the concentration but also the ordered arrangement of skeletal A-site ions. Further the activation energy for ion conduction was found to be dominated by the covalency of B-O bond in addition to the bottleneck size.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 453: Symposium R – Solid State Chemistry of Inorganic Materials , 1996 , 623
Copyright
Copyright © Materials Research Society 1997

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References

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