Co3S4 porous nanosheets embedded in graphene sheets as high-performance anode materials for lithium and sodium storage

Yichen Du; Xiaoshu Zhu; Xiaosi Zhou; Lingyun Hu; Zhihui Dai; Jianchun Bao

doi:10.1039/C5TA00621J

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Co₃S₄ porous nanosheets embedded in graphene sheets as high-performance anode materials for lithium and sodium storage†

Yichen Du,^a Xiaoshu Zhu,^b Xiaosi Zhou,*^a Lingyun Hu,^a Zhihui Dai^a and Jianchun Bao*^a

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* Corresponding authors

^a Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
E-mail: zhouxiaosi@njnu.edu.cn, baojianchun@njnu.edu.cn

^b Center for Analysis and Testing, Nanjing Normal University, Nanjing 210023, P. R. China

Abstract

Co₃S₄ porous nanosheets embedded in flexible graphene sheets have been synthesized through a simple freeze-drying and subsequent hydrazine treatment process. The robust structural stability of the as-prepared three-dimensional sandwich-like Co₃S₄–PNS/GS composite affords improved rate performance and cycling stability for both lithium and sodium storage.

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Article information

DOI: https://doi.org/10.1039/C5TA00621J
Article type: Communication
Submitted: 25 Jan 2015
Accepted: 01 Mar 2015
First published: 02 Mar 2015

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J. Mater. Chem. A, 2015,3, 6787-6791

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Co₃S₄ porous nanosheets embedded in graphene sheets as high-performance anode materials for lithium and sodium storage

Y. Du, X. Zhu, X. Zhou, L. Hu, Z. Dai and J. Bao, J. Mater. Chem. A, 2015, 3, 6787 DOI: 10.1039/C5TA00621J

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Journal of Materials Chemistry A