期刊
JOURNAL OF MATERIALS SCIENCE
卷 52, 期 6, 页码 3124-3132出版社
SPRINGER
DOI: 10.1007/s10853-016-0601-5
关键词
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资金
- National Basic Research Program of China [51272176]
- Key Project of Tianjin Municipal Natural Science Foundation of China [13JCZDJC33900]
- National Basic Research Program of China (973 Program) [2012CB933600]
- Higher School Science and Technology Development Project of Tianjin City [20140310]
- Academic Innovation Funding of Tianjin Normal University [52XC1410]
- Youth Foundation of Tianjin Normal University [5RL128]
Hybrid materials of CoFe2O4 nanoparticles anchored on graphene prepared by a facile hydrothermal process was developed to be anode material for sodium-ion battery. The hybrid nano-structure of CoFe2O4/graphene not only could be useful to buffer electrode volume accompanying with Na+ insertion-extraction, but also could be beneficial to improve electrode electric conductivity and further keep graphene sheet separated to improve ion diffusion rate. Electrochemical measurements showed that the hybrid material anode displayed an excellent performance with a large reversible capacity of 330 mAh g(-1) after 75 cycle times and a satisfactory rate capability of 170 mAh g(-1) at 1 A g(-1).
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