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Three-dimensional (3D) porous carbon-coated ZnFe2O4 nanospheres/N-doped graphene aerogels (ZnFe2O4@C/N-G) have been synthesized via a facile hydrothermal method. The obtained ZnFe2O4@C hierarchical nanospheres with a size distribution of 150–210nm are uniformly encapsulated within the graphene aerogels matrix. The ZnFe2O4@C/N-G composites as anode materials for Li-ion batteries demonstrate a high...
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