journal article·2018-10-01Open access

Novel Br− ion conducting solid electrolyte based on LaOBr

Muhammad Radzi Iqbal Bin MISRAN, Naoyoshi NUNOTANI, Shinji TAMURA, Nobuhito IMANAKA

Abstract

Highly Br ion conducting solid electrolytes were developed by replacing La 3+ ion site in LaOBr with lower valent Sr 2+ and Ca 2+ ions to form Br ion vacancies for Br ion conduction with suppressing the sample decomposition. By doping two kinds of divalent cations simultaneously into LaOBr lattice, high amount of Br ion vacancy was successfully introduced compared to the previously reported La 0.9 Sr 0.1 OBr 0.9 . Among the samples prepared, the highest Br ion conductivity was obtained for the La 0.85 Sr 0.10 Ca 0.05 OBr 0.85 solid, which was ca. 5 times higher than that of La 0.9 Sr 0.1 OBr 0.9 .
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Research context

OpenAlex topics: Ammonia Synthesis and Nitrogen Reduction · Inorganic Chemistry and Materials · Advanced Battery Materials and Technologies

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Affiliations

Department of Applied Chemistry, Faculty of Engineering, Osaka University

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