Journal
SMALL
Volume 12, Issue 27, Pages 3732-3737Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201601143
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Funding
- Australian Research Council
- Chinese Scholarship Council Scholarship
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Here, ZnFe2O4 double-shell hollow microspheres are designed to accommodate the large volume expansion during lithiation. A facile and effi cient vapor-phase polymerization method has been developed to coat the ZnFe2O4 hollow spheres with polypyrrole (PPY). The thin PPY coating improves not only the electronic conductivity but also the structural integrity, and thus the cycling stability of the ZnFe2O4 hollow spheres. Our work sheds light on how to enhance the electrochemical performance of transition metal oxide-based anode materials by designing delicate nanostructures.
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