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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