Sebastian, Litty ; Shukla, A. K. ; Gopalakrishnan, J. (2001) New lithium-ion conducting perovskite oxides related to (Li, La)TiO3 Proceedings of the Indian Academy of Sciences - Chemical Sciences, 113 (5-6). pp. 427-433. ISSN 0253-4134
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Official URL: http://www.ias.ac.in/chemsci/Pdf-OctDec2001/Pc3088...
Related URL: http://dx.doi.org/10.1007/BF02708781
Abstract
We describe the synthesis and lithium-ion conductivity of new perovskite-related oxides of the formulas, LiCa1.65square0.35Ti1.3B1.7O9 (B =Nb,Ta)(I,II), LiSr2Ti2.5W0.5O9 (III) and LiSr1.65square0.35Ti2.15W0.85O9(IV). OxidesI andII crystallize in orthorhombic (GdFeO3-type) structure, while oxidesIII andIV possess cubic symmetry. All of them exhibit significant lithium-ion conduction at high temperatures, the highest conductivity of ~10-2S/cm at 800°C among the oxides is exhibited by the composition IV. The results are discussed in the light of previous work on lithium-ion conducting perovskite oxides containing d0 cations.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Indian Academy of Sciences. |
| Keywords: | Lithium Ion Conductors; Lithium-lanthanum Perovskites; Lithium-lanthanum Titanates |
| ID Code: | 12957 |
| Deposited On: | 11 Nov 2010 08:20 |
| Last Modified: | 16 May 2016 22:12 |
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