Journal
ELECTROCHIMICA ACTA
Volume 66, Issue -, Pages 75-81Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2012.01.037
Keywords
Rechargeable magnesium batteries; Electrochemical intercalation; Reversibility; Mesoporous materials
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Funding
- National Nature Science Foundation of China [20603022, 20973112]
- foundation of Key Laboratory for Thin Film and Microfabrication of the Ministry of Education, Shanghai Jiao Tong University [B0461-2007-11-004]
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We report the formation of MgCoSiO4 materials by a high-temperature solid-state reaction, a molten salt method and a mixed solvothermal approach. The preparation process had a profound effect on the morphology and particle size of the materials. Mesoporous MgCoSiO4 was obtained for the first time by the non-surfactant mixed solvothermal approach. The electrochemical intercalation of bivalent Mg2+ cations into MgCoSiO4 as an electroactive species for rechargeable magnesium batteries was further investigated. Preliminary electrochemical data indicated that mesoporous MgCoSiO4 had a higher peak current, a larger discharge capacity and a higher flat plateau compared with the corresponding bulk materials. (C) 2012 Elsevier Ltd. All rights reserved.
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