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Improved cathode for high efficient microbial-catalyzed reduction in microbial electrosynthesis cells

Nie, Huarong ; Zhang, Tian ; Cui, Mengmeng ; Lu, Haiyun ; Lovley, Derek R ; Russell, Thomas P

Physical chemistry chemical physics : PCCP, 2013-09, Vol.15 (34), p.1429-14294 [Periódico revisado por pares]

Cambridge: Royal Society of Chemistry

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Título:
Improved cathode for high efficient microbial-catalyzed reduction in microbial electrosynthesis cells
Autor: Nie, Huarong ; Zhang, Tian ; Cui, Mengmeng ; Lu, Haiyun ; Lovley, Derek R ; Russell, Thomas P
Assuntos: Acetates ; Biocatalysis ; Bioelectric Energy Sources - microbiology ; Biofilms ; Carbon Dioxide - chemistry ; Catalysis ; Cathodes ; Chemistry ; Electrochemical Techniques ; Electrodes ; Exact sciences and technology ; General and physical chemistry ; Graphite ; Microorganisms ; Nanowires ; Nanowires - chemistry ; Nanowires - ultrastructure ; Nickel ; Nickel - chemistry ; Oxidation-Reduction ; Reduction ; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry ; Veillonellaceae - physiology
É parte de: Physical chemistry chemical physics : PCCP, 2013-09, Vol.15 (34), p.1429-14294
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Microbial electrosynthesis cells (MECs) are devices wherein microorganisms can electrochemically interact with electrodes, directly donating or accepting electrons from electrode surfaces. Here, we developed a novel cathode by using nickel nanowires anchored to graphite for the improvement of microbial-catalyzed reduction in MEC cathode chamber. This porous nickel-nanowire-network-coated graphite electrode increased the interfacial area and interfacial interactions between the cathode surface and the microbial biofilm. A 2.3 fold increase in bio-reduction rate over the untreated graphite was observed. Around 282 mM day −1 m −2 of acetate resulting from the bio-reduction of carbon dioxide by Sporomusa was produced with 82 ± 14% of the electrons consumed being recovered in acetate. A novel cathode, nickel nanowire coated graphite, was developed to increase reduction rate of CO 2 in microbial electrosynthesis cells.
Editor: Cambridge: Royal Society of Chemistry
Idioma: Inglês

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Improved cathode for high efficient microbial-catalyzed reduction in microbial electrosynthesis cells

Nie, Huarong ; Zhang, Tian ; Cui, Mengmeng ; Lu, Haiyun ; Lovley, Derek R ; Russell, Thomas P

Cambridge: Royal Society of Chemistry

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