Journal
RSC ADVANCES
Volume 5, Issue 127, Pages 104822-104828Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra19548a
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Funding
- Teacher Research Fund of Central South University [2013JSJJ027]
- Project of Innovation-driven Plan in Central South University [2015CXS018]
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, China
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A graphene/N-doped porous carbon nanofiber (RGO/NPC) composite was designed as an anode material for sodium-ion batteries (SIBs). A microstructure of fine and uniform N-doped porous carbon nanofibers decorated on 2D RGO sheets was obtained. The RGO/NPC with large interlayer space, appropriate N-doping level and high electrical conductivity, combined with of the advantages of the two materials, exhibits good reversible capacity, including a high reversible capacity (175.9 mA h g(-1) at 100 mA g(-1) over 300 cycles), excellent rate capability (104 mA h g(-1) at 1600 mA g(-1)), and superior cycling stability (97.7 mA h g(-1) at 1000 mA g(-1) over 600 cycles). This new type of structural material has great significance for improving the performance of SIBs.
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