Abstract

A superior self-assemble whiskery ZnFe2O4 has been synthesized by a facile coprecipitation method in the presence of oxalic acid. After performed as anode for lithium ion battery, the ZnFe2O4 exhibits excellent electrochemical performance with an initial discharge capacity of 1364.6 mAh g-1, maintained an effective discharge capacity of 1086.9 mAh g-1 after 50 cycles and wonderful rate capacity (687.4 mAh g-1 at 3.0C). The excellent electrochemical performance was related to the novel whiskery structure, which is made of small spherical nanoparticles and hundreds of voids.

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