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The electrocatalytic performance of the carbon supported catalysts can be effectively influenced by controlling the atomic structure of carbon materials. Herein, novel graphene nanospheres (GNs) composed of graphene nanoflakes are prepared through a modified arc-discharge method using toluene as carbon source. It is explored that these GNs possess high density of lattice disorder as well as the oxygen-containing...
A carbon-coated Si/graphene (Si@C/G) nanocomposite was prepared by dispersing a mixture containing graphene, citric acid, and Si nanoparticles in ethanol, followed by drying and carbonization at 800°C for 1h. Transmission electron microscopy revealed that a carbon layer with a uniform thickness of ca. 2nm was formed on the surface of the Si nanoparticles. The Si@C nanoparticles were supported by graphene...
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