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Science 29 June 1979:
Vol. 204. no. 4400, pp. 1371 - 1379
DOI: 10.1126/science.204.4400.1371
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Articles

Fast Ionic Transport in Solids

Gregory C. Farrington 1 and Jacqueline L. Briant 2

1 Member of the research staff, of General Electric Research and Development Center, Schenectady, New York 12301
2 Member of the associate staff of General Electric Research and Development Center, Schenectady, New York 12301

The discovery of inorganic solids with ionic conductivities comparable to those of aqueous electrolytes has revolutionized solid-state electrochemistry. Sodium beta alumina, a Na+ conductor, and LixTiS2, an intercalation compound with simultaneous Li+ and electronic conductivity, are two of the best and most versatile fast ionic conductors. A wide variety of cations can replace Na+ in beta alumina and Li+ in LixTiS2 and change the properties of the materials. Sodium beta alumina and LixTiS2 are currently used in the development of high-energy density batteries for electric vehicles and electrical utility load leveling. Current research in solid ionic conductors is exploring new intercalation compounds, solid polymer electrolytes, and alkali ion and proton transport in crystalline solids.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Solid State Electrodes for High Energy Batteries.
D. W. Murphy and P. A. Christian (1979)
Science 205, 651-656
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