Abstract

The high capacity of Co3O4 nanoflowers (NFs) on Ni foam as anodes in Li ion batteries is reported in this paper. The NFs grown firmly on Ni foam is convenient for the construction of lithium ion batteries without any extra electrode preparation process. The NFs presents an initial discharge capacity of 811mAh g1 at a current of 1 C. Our facile solvothermal film growth technique offers an exciting opportunity for growth of metal oxide nanostructures on substrates with practical application in lithium ion batteries.

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