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Review

Microbial electrolysis: novel technology for hydrogen production from biomass

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Pages 129-142 | Published online: 09 Apr 2014
 

Abstract

Hydrogen production by microbial electrolysis cells (MECs) provides a completely new avenue for the production of hydrogen from biomass. The key competitive advantage of this technology compared with previous techniques for biohydrogen generation is that the biomass can be utilized fully for H2 conversion. This review provides a brief overview of recent advances in research on electrochemically active bacteria, electrode materials, MEC design and performance and fuel sources of MECs. Enhancing the hydrogen-production rate and lowering the energy input are the main challenges of MEC technology. The review concludes that breakthroughs in the development of efficient cathode material, scalable MEC design and cost-efficient pretreatment processes are needed for future studies.

Financial & competing interests disclosure

The authors acknowledge support from the US National Science Foundation (CBET 0828544) and the US Department of Transportation through the Western Regional Sun Grant Initiative. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.

No writing assistance was utilized in the production of this manuscript.

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