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

Publisher:
RSC Publishing
Publication Type:
Journal Article
Citation:
Journal of Materials Chemistry A, 2014, 2 pp. 7973 - 7979
Issue Date:
2014-01
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We report a general emulsion soft-template method to synthesize porous graphene foams for multifunctional applications, including lithiumoxygen batteries and oil-adsorption. Multiple micro-emulsions and micelles were employed to produce three-dimensional porous graphene with well-tailored interarchitecture for the first time. Detailed mechanism study reveals that specific interfacial interactions, such as pp interaction, hydrophobic affinity or electrostatic interaction, are vital for the formation of porous graphene materials. When applied as cathode materials in lithiumoxygen 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.
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