Journal
CERAMICS INTERNATIONAL
Volume 44, Issue 10, Pages 11307-11313Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2018.03.178
Keywords
V2O3; Nanowire arrays; Lithium-ion batteries
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Funding
- National Natural Science Foundation of China [51201117]
- Natural Science Foundation of Hubei Province [2015CFA123]
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This paper reports a study on the electrochemical performance of vanadium trioxide (V-2O3) nanowire arrays as a cathode material for Li-ion battery. V2O3 nanowire arrays are formed via thermal treatment of ammonium vanadium bronze (NH4V4O10) nanowires in a 5% H-2 and 95% Ar atmosphere. X-ray diffraction confirms the thermal reduction. The V2O3 nanowire arrays as an electrode of lithium-ion battery exhibit high reversible capacity and excellent long-term cycling stability. The discharge capacity increases from 243 to 428 mA h g(-1) at the first 20 cycles. After 100 cycles, a stable capacity of 444 mA h g(-1) is retained at a current density of 30 mA g(-1).
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