期刊
JOURNAL OF SOLID STATE CHEMISTRY
卷 179, 期 6, 页码 1879-1882出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2006.02.032
关键词
molten salt; synthesis; Chevrel phase; Mg batteries
The Chevrel phase (CP), Mo6S8, was found to be an excellent cathode material for rechargeable magnesium batteries. Mo6S8 is obtained by a leaching process Of Cu2Mo6S8, which removes the copper. A new method Of Cu2Mo6S8 production was developed. In contrast to the well-known solid-state synthesis of CP, the method is based on the reaction in a molten salt media (KCl). A fast kinetics of this reaction allows using less active, but more convenient precursors (sulfides instead of sulfur), decreasing temperature and synthesis duration, as well as operation in the inert atmosphere instead of dynamic evacuated systems. It was shown that the composition and the electrochemical behavior of the products obtained by MSS and by the solid-state synthesis are identical. Thus, the molten salt method is extremely attractive for the large-scale production of the active materials for Mg batteries. (c) 2006 Elsevier Inc. All rights reserved.
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