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

Ke Wang; Ying Huang; Duo Wang; Yang Zhao; Mingyue Wang; Xuefang Chen; Xiulan Qin; Suping Li

doi:10.1039/c5ra21436j

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

Ke Wang, Ying Huang, Duo Wang, Yang Zhao, Mingyue Wang, Xuefang Chen, Xiulan Qin, Suping Li

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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.

Original language	English
Pages (from-to)	107247-107253
Number of pages	7
Journal	RSC Advances
Volume	5
Issue number	130
DOIs	https://doi.org/10.1039/c5ra21436j
State	Published - 12 Nov 2015

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title = "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.",

author = "Ke Wang and Ying Huang and Duo Wang and Yang Zhao and Mingyue Wang and Xuefang Chen and Xiulan Qin and Suping Li",

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doi = "10.1039/c5ra21436j",

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T1 - Preparation and application of hollow ZnFe2O4@PANI hybrids as high performance anode materials for lithium-ion batteries

AU - Wang, Ke

AU - Huang, Ying

AU - Wang, Duo

AU - Zhao, Yang

AU - Wang, Mingyue

AU - Chen, Xuefang

AU - Qin, Xiulan

AU - Li, Suping

PY - 2015/11/12

Y1 - 2015/11/12

N2 - 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.

AB - 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.

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

Abstract

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