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Studies on TiO2/Reduced Graphene Oxide Composites as Cathode Materials for Magnesium-Ion Battery

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DOI: 10.4236/graphene.2014.33006    5,732 Downloads   7,423 Views   Citations
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ABSTRACT

The aim of this work is to introduce a high performance cathode for magnesium-ion batteries. TiO2/reduced graphene oxide (rGO) composites were mixed in ball mill. The samples are charac- terized using XRD and SEM. The spex-milled composites exhibit better electrochemical perfor- mance with higher reversible capacity and excellent cyclability. The excellent electrochemical performance of TiO2/rGO composites is due to their unique structures, which intimately combine the conductive graphene nanosheets network with TiO2 nanoparticles and possess the characteristic parallel channels running along the [010] orientation, which allow easy Mg2+ transport. It was found that layered TiO2 and rGO nanosheets in the composite interlace with each other to form novel sandwich-structured microspheres, which exhibit preferable electrochemical performance in rechargeable Mg batteries.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Sheha, E. (2014) Studies on TiO2/Reduced Graphene Oxide Composites as Cathode Materials for Magnesium-Ion Battery. Graphene, 3, 36-43. doi: 10.4236/graphene.2014.33006.

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