Journal
INORGANIC CHEMISTRY
Volume 54, Issue 24, Pages 11799-11806Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.5b01914
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Funding
- National Natural Science Foundation of Xinjiang [2015211C286, 2013211A004]
- Program for New Century Excellent Talents in University [NCET-12-1076]
- National Natural Science Foundation of China [21161021, 21466036, 21271151, 21361024]
- Young Scholar Science Foundation of Xinjiang Educational Institutions [XJEDU2014S013]
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Sandwich-like V2O5/graphene mesoporous composite has been synthesized by a facile solvothermal approach. The crystalline structure, morphology, and electrochemical performance of the as-prepared materials have been investigated in detail. The results demonstrate that the 30-50 nm V2O5 particles are homogeneously anchored on conducting graphene sheets, which allow the V2O5 nanopartides to be wired up to a current collector through the underlying conducting graphene layers. As an anode material for lithium ion batteries, the composite exhibits a high reversible capacity of 1006 mAh g(-1) at a current density of 0.5 A g(-1) after 300 cycles. It also exhibits excellent rate performance with a discharge capacity of 500 mAh g(-1) at the current density of 3.0 A g(-1), which is superior to the performance of the vanadium-based materials reported previously. The electrochemical properties demonstrate that the sandwich-like V2O5/graphene mesoporous composite could
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