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Three-dimensional hierarchical metal oxide–carbon electrode materials for highly efficient microbial electrosynthesis

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Abstract

The production of hierarchical hybrid conductive materials that are mesoporous, with pores spanning from sub-microns to microns in size, is important for large-area electrode applications. Here, a simple one-step, low-cost method to fabricate metal oxide–carbon hybrid materials with a hierarchical pore structure in a microwave oven is demonstrated. The microwave pyrolysis of ferrocene using carbon felt as a microwave absorber is a method that is rapid (takes of seconds), requires neither harsh conditions nor the use of costly equipment, and can be readily scaled up. The produced material has a high specific surface area, a multi-length scale porous structure and a high conductivity, and is quite stable, making it promising for many practical applications. As an electrode in microbial electrosynthesis, its performance is improved by a factor of five and an optimal biofilm of the microorganism is formed on the surface.

Graphical abstract: Three-dimensional hierarchical metal oxide–carbon electrode materials for highly efficient microbial electrosynthesis

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Publication details

The article was received on 04 Feb 2017, accepted on 01 May 2017 and first published on 05 May 2017


Article type: Paper
DOI: 10.1039/C7SE00073A
Citation: Sustainable Energy Fuels, 2017, Advance Article
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    Three-dimensional hierarchical metal oxide–carbon electrode materials for highly efficient microbial electrosynthesis

    M. Cui, H. Nie, T. Zhang, D. Lovley and T. P. Russell, Sustainable Energy Fuels, 2017, Advance Article , DOI: 10.1039/C7SE00073A

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