Trivalent ion conduction in NASICON type solid electrolyte prepared by ball milling

Trivalent cation conducting solid electrolytes with NASICON type structure, R 1/3Zr 2(PO 4) 3 (R=Rare Earths), were synthesized by a ball milling method and trivalent R 3+ cation conducting properties were investigated. The trivalent ion conductivity of R 1/3Zr 2(PO 4) 3 was enhanced ca. three times...

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Bibliographic Details
Published in:Solid state ionics 2002-12, Vol.154, p.767-771
Main Authors: Tamura, S, Imanaka, N, Adachi, G
Format: Article
Language:English
Subjects:
Ion conductor
NASICON
Phosphate
Scandium
Trivalent
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Summary:Trivalent cation conducting solid electrolytes with NASICON type structure, R 1/3Zr 2(PO 4) 3 (R=Rare Earths), were synthesized by a ball milling method and trivalent R 3+ cation conducting properties were investigated. The trivalent ion conductivity of R 1/3Zr 2(PO 4) 3 was enhanced ca. three times compared to the samples prepared by a conventional sol–gel method due to the improvement of the crystallinity of the solids. The macroscopic Sc 3+ cation conducting behavior in Sc 1/3Zr 2(PO 4) 3, which shows the highest trivalent ion conductivity in R 1/3Zr 2(PO 4) 3 series, was directly demonstrated by a dc electrolysis method.
ISSN:0167-2738
1872-7689
DOI:10.1016/S0167-2738(02)00478-2