期刊
ADVANCED SCIENCE
卷 2, 期 12, 页码 -出版社
WILEY
DOI: 10.1002/advs.201500284
关键词
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资金
- National Basic Research Program of China [2013CB934103, 2012CB933003]
- International Science and Technology Cooperation Program of China [2013DFA50840]
- National Natural Science Fundation of China [51272197]
- National Natural Science Fund for Distinguished Young Scholars [51425204]
- Hubei Province Natural Science Fund for Distinguished Young Scholars [2014CFA035]
- Fundamental Research Funds for the Central Universities [WUT:152401004, 2015III021, 2015III032, 2014-YB-001, 2014-YB-002]
Despite the enormous efforts devoted to high-performance lithium-ion batteries (LIBs), the present state-of-the-art LIBs cannot meet the ever-increasing demands. With high theoretical capacity, fast ionic conductivity, and suitable charge/discharge plateaus, Li3VO4 shows great potential as the anode material for LIBs. However, it suffers from poor electronic conductivity. In this work, we present a novel composite material with mesoporous Li3VO4/C submicron-ellipsoids supported on rGO (LVO/C/rGO). The synthesized LVO/C/rGO exhibits a high reversible capacity (410 mAh g(-1) at 0.25 C), excellent rate capability (230 mAh g(-1) at 125 C), and outstanding long-cycle performance (82.5% capacity retention for 5000 cycles at 10 C). The impressive electrochemical performance reveals the great potential of the mesoporous LVO/C/rGO as a practical anode for high-power LIBs.
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