Issue 21, 2014
From the journal:

Journal of Materials Chemistry A

Soft-template synthesis of 3D porous graphene foams with tunable architectures for lithium–O2 batteries and oil adsorption applications†

Xiaodan Huang,ab   Bing Sun,a   Dawei Su,a   Dongyuan Zhao*b  and  Guoxiu Wang*a  

* Corresponding authors

a Centre for Clean Energy Technology, School of Chemistry and Forensic Science, University of Technology Sydney, NSW 2007, Australia
E-mail: Guoxiu.Wang@uts.edu.au

b Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, P. R. China
E-mail: dyzhao@fudan.edu.cn

Abstract

We report a general emulsion soft-template method to synthesize porous graphene foams for multi-functional applications, including lithium–oxygen batteries and oil-adsorption. Multiple micro-emulsions and micelles were employed to produce three-dimensional porous graphene with well-tailored inter-architecture for the first time. Detailed mechanism study reveals that specific interfacial interactions, such as π–π interaction, hydrophobic affinity or electrostatic interaction, are vital for the formation of porous graphene materials. When applied as cathode materials in lithium–oxygen batteries, the porous graphene foams exhibited good catalytic activity. Besides, the porous graphene materials also demonstrated the capability for oil adsorption with a high efficiency.

Graphical abstract: Soft-template synthesis of 3D porous graphene foams with tunable architectures for lithium–O2 batteries and oil adsorption applications

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Article information

DOI
https://doi.org/10.1039/C4TA00829D
Article type
Paper
Submitted
17 Feb 2014
Accepted
17 Mar 2014
First published
17 Mar 2014

J. Mater. Chem. A, 2014,2, 7973-7979

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Soft-template synthesis of 3D porous graphene foams with tunable architectures for lithium–O2 batteries and oil adsorption applications

X. Huang, B. Sun, D. Su, D. Zhao and G. Wang, J. Mater. Chem. A, 2014, 2, 7973 DOI: 10.1039/C4TA00829D

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