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Abstract: A hybrid material of carbon-coated Fe2O3 submicro-particles loaded on graphene nanosheets (Fe2O3@C/GNs) is prepared by a two step route including a hydrothermal and a subsequent glucose impregnation-pyrolysis process. The obtained material is composed of GNs and ∼400 nm size Fe2O3 particles coated by thin carbon layer with a thickness of 5 nm. As an anode material for lithium ion batteries, Fe2O3@C/GNs hybrid shows an improved electrochemical performance in the initial coulombic efficiency (71%), reversible capacity (900 mA h g−1 after 50 cycles at a current of 200 mA g−1) and capacity retention rate (82% after 50 cycles). This result is much better than the synthesized bare Fe2O3 and Fe2O3/GNs electrodes. In addition to the contribution of GNs, the carbon-coated layer around Fe2O3 particles is believed to be a key factor to improve the electrochemical performance of Fe2O3. [Copyright &y& Elsevier]

The flexible electrode material of SnO 2 /carbon cloth (SnO 2 /CC) is fabricated by RF magnetron sputtering method. As an anode material of lithium ion batteries, the SnO 2 /CC electrode exhibits more excellent cycling stability and rate capability than that of the pure carbon cloth and SnO 2 . The reversible capacity always maintain about 1.98 mAh/cm 2 during 50 cycles, which is higher than that of the pure CC (about 1.61 mAh/cm 2 ) and SnO 2 (about 0.08 mAh/cm 2 ). After 100 cycles, the capacity of SnO 2 /CC sample is 1.85 mAh/cm 2 , still retaining 89.4% of the initial capacity. The good electrochemical properties of SnO 2 /CC are mainly caused by the high surface area, porous structure and the intrinsic soft characteristics of CC, which can effectively accommodate the volume charge during charge and discharge process. [ABSTRACT FROM AUTHOR]