Exact identification of migrating ion species in scandium tungstate solid electrolyte

Publisher： John Wiley & Sons Inc

E-ISSN： 1551-2916|101|3|1025-1028

ISSN： 0002-7820

Source： JOURNAL OF THE AMERICAN CERAMIC SOCIETY, Vol.101, Iss.3, 2018-03, pp. : 1025-1028

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Abstract

AbstractThe Sc3+ ion migration in the scandium tungstate solid was qualitatively demonstrated. For clarifying the exact migrant quantitatively, modified Tubandt electrolysis was performed for the Sc2(WO4)3 solid. As a result of the strict compensation, that is, vaporization and adherence compensations, a weight increase at the cathodic side and a weight decrease at the anodic side were reproducibly observed after the electrolysis. In addition, the Sc concentration at the cathodic side was increased and a corresponding decrease at the anodic side was observed. Therefore, the Sc3+ ion conduction in the Sc2(WO4)3 solid was quantitatively demonstrated.

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