Research Article

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2018, 11(3): 1285–1293

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https://doi.org/10.1007/s12274-017-1742-9

Graphene oxide-decorated Fe2(MoO4)3 microflowers as a promising anode for lithium and sodium storage

Chunhua Han1 (*), Xiaoji Ren1, Qidong Li1, Wen Luo1,2, Lei Huang1, Liang Zhou1, and Liqiang Mai1, (*)

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1 State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, China
2 Laboratoire de Chimie et Physique: Approche Multichelles des Milieux Complexes, Institut Jean Barriol, Universit de Lorraine, 57070 Metz, France
Present address: Department of Chemistry, University of California, Berkeley, California 94720, USA

Keywords: Fe2(MoO4)3 microflowers, anode, lithium and sodium storage
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ABSTRACT Mixed transition metal oxides (MTMOs) have received intensive attention as promising anode materials for lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs). In this work, we demonstrate a facile one-step water-bath method for the preparation of graphene oxide (GO) decorated Fe2(MoO4)3 (FMO) microflower composite (FMO/GO), in which the FMO is constructed by numerous nanosheets. The resulting FMO/GO exhibits excellent electrochemical performances in both LIBs and SIBs. As the anode material for LIBs, the FMO/GO delivers a high capacity of 1,220 mAh·g–1 at 200 mA·g–1 after 50 cycles and a capacity of 685 mAh·g–1 at a high current density of 10 A·g–1. As the anode material for SIBs, the FMO/GO shows an initial discharge capacity of 571 mAh·g–1 at 100 mA·g–1, maintaining a discharge capacity of 307 mAh·g–1 after 100 cycles. The promising performance is attributed to the good electrical transport from the intimate contact between FMO and graphene oxide. This work indicates that the FMO/GO composite is a promising anode for high-performance lithium and sodium storage.
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Graphene oxide-decorated Fe2(MoO4)3 microflowers as a promising anode for lithium and sodium storage. Nano Res. 2018, 11(3): 1285–1293 https://doi.org/10.1007/s12274-017-1742-9

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