Self-assembled V₃O₇/graphene oxide nanocomposites as cathode material for lithium-ion batteries
by Jie Xu; Zhaolong Li; Xiaoyan Zhang; Shengnan Huang; Shanshan Jiang; Quanyao Zhu; Huajun Sun; Galina S. Zakharova
International Journal of Nanotechnology (IJNT), Vol. 11, No. 9/10/11, 2014

Abstract: The V₃O₇/graphene oxide nanocomposites (V₃O₇/GO) were synthesised by a hydrothermal method. In the nanocomposites, the V₃O₇ nanobelts are dozens of nanometres in width and several micrometres in length. Acted as the electrode materials, the V₃O₇/GO nanocomposites exhibit a high initial discharge capacity of 352 mAh·g⁻¹ at the current density of 100 mA·g⁻¹. Moreover, V₃O₇/GO electrode materials exhibit a good cycling performance. Comparing the 50th cycle with the 1st cycle, the capacity retention of the V₃O₇/GO nanocomposites is 87% and 91% at the current density of 400 mA·g⁻¹ and 800 mA·g⁻¹, respectively.

Online publication date: Wed, 14-Jan-2015

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