Progress in rechargeable magnesium battery technology

Doron Aurbach, Gurukar Shivappa Suresh, Elena Levi, Ariel Mitelman, Oren Mizrahi, Orit Chusid, Michela Brunelli

Research output: Contribution to journalArticlepeer-review

466 Scopus citations


A study was conducted, to demonstrate a partial substitution of sulfur by selenium atoms in Mo6S8-ySey Chevrel phases (CP) that enabled to elaborate fast cathodes for rechargeable magnesium batteries. The Mo6S8-nSen CPs were obtained from Cu2.5 Mo6S8-nSen precursors from which copper was leached in an oxygen-containing acid aqueous solution. The micro-metric sized stable phase Cu2.5 Mo6S 8-nSen materials were prepared by reacting stoichiometric mixtures of MoS2, MoSe2, molybdenum, and copper powder in evacuated quartz ampoules heated to 1150°C. The presence of selenium in the anionic framework of the CPs increased its polarizability, increasing the kinetics of the solid state diffusion of magnesium ions, while improving its performance.

Original languageEnglish
Pages (from-to)4260-4267
Number of pages8
JournalAdvanced Materials
Issue number23
StatePublished - 3 Dec 2007


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