Issue 130, 2015

Preparation and application of hollow ZnFe2O4@PANI hybrids as high performance anode materials for lithium-ion batteries

Abstract

ZnFe2O4, a type of mixed transition metal oxide, is considered as one of the most attractive potential anode materials for LIBs due to its high reversible capacity and satisfactory structural stability. However, the low conductivity and the serious volume exchange during the electrochemical process are still two main issues for ZnFe2O4. In this study, we first designed conductive PANI layer coated hollow ZnFe2O4 nanospheres by micro emulsion polymerization. Two strategies of hollow structure and PANI coating were attempted to relieve expansion and increase conductivity. The results show that the as-designed hollow ZnFe2O4@PANI composites exhibited a large initial specific capacity of 1489.38 mA h g−1 with the first discharge that is maintained at over 607.3 mA h g−1 even after 50 charge–discharge cycles.

Graphical abstract: Preparation and application of hollow ZnFe2O4@PANI hybrids as high performance anode materials for lithium-ion batteries

Article information

Article type
Paper
Submitted
15 Oct 2015
Accepted
10 Nov 2015
First published
12 Nov 2015

RSC Adv., 2015,5, 107247-107253

Author version available

Preparation and application of hollow ZnFe2O4@PANI hybrids as high performance anode materials for lithium-ion batteries

K. Wang, Y. Huang, D. Wang, Y. Zhao, M. Wang, X. Chen, X. Qin and S. Li, RSC Adv., 2015, 5, 107247 DOI: 10.1039/C5RA21436J

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