Abstract
Uniformly loaded α-Fe 2O 3/graphene nanocomposites are synthesized via hydrothermal routs. Enhanced lithium storage performance of lithium-ion battery anodes is realized from α-Fe 2O 3/graphene nanocomposites. Compared with pure α-Fe 2O 3 nanostructures, α-Fe 2O 3/graphene nanocomposites exhibit higher reversible capacity and better cycling performance. Their reversible capacity is up to 771 mA h g −1 at C/10 rate, and maintains 73% after 30 cycles. Such behaviors can be attributed to high electron and Li-ion conductivity, large surface area, good mechanical flexibility of graphene nanosheets and the synergetic effect of graphene and α-Fe 2O 3 nanostructures. Our results indicate that α-Fe 2O 3/graphene nanocomposites are good candidates for high performance lithium-ion battery anodes.
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