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Microcellular electrode material for microbial bioelectrochemical systems synthesized by hydrothermal carbonization of biomass derived precursors

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Abstract
A new monolithic carbonaceous material, 750-HMF-CarboHIPE is presented here. The new electrode has been tested as an anode material inside a microbial bioelectrochemical system. In a purposely designed continuous flow bioelectrochemical reactor, the new material showed high biocompatibility, with a continuous biofilm development that remained bioelectrochemically active for over 6 months. A catalytic current of 1.56 mA cm-2 / 7.8 mA cm-3 (normalization by projected surface area and volumetric current) was reached. The current density was proportional to the flow rate. The new electrode material was synthesized using a high internal phase emulsion (HIPE) as a soft template to confine the polymerization and hydrothermal carbonization of two precursors derived from the cellulosic fraction of biomass and the bark of fruit trees: 5-hydroxymethylfurfural and phloroglucinol, respectively. Altogether, the sustainable synthetic route from biomass materials and the proposed application of oxidizing organic matter present in wastewater to produce electricity in a microbial fuel cell (MFC) close an interesting loop of prospective sustainable technology.
Keywords
Microbial Bioelectrochemical systems, microbial fuel cells, electrochemically active biofilm, electrode material, UGCT, porous carbons, micro-CT, PHASE-CONTRAST TOMOGRAPHY, ACID-BASE STRENGTH, ENERGY-CONVERSION, POROUS STRUCTURE, CARBON, ANODE, PERFORMANCE, ELECTRICITY, FUEL-CELLS, CURRENT GENERATION

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MLA
Flexer, Victoria et al. “Microcellular Electrode Material for Microbial Bioelectrochemical Systems Synthesized by Hydrothermal Carbonization of Biomass Derived Precursors.” ACS SUSTAINABLE CHEMISTRY & ENGINEERING 4.5 (2016): 2508–2516. Print.
APA
Flexer, V., Donose, B. C., Lefebvre, C., Pozo, G., Boone, M., Van Hoorebeke, L., Baccour, M., et al. (2016). Microcellular electrode material for microbial bioelectrochemical systems synthesized by hydrothermal carbonization of biomass derived precursors. ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 4(5), 2508–2516.
Chicago author-date
Flexer, Victoria, Bogdan Constantin Donose, Camille Lefebvre, Guillermo Pozo, Matthieu Boone, Luc Van Hoorebeke, Mohamed Baccour, et al. 2016. “Microcellular Electrode Material for Microbial Bioelectrochemical Systems Synthesized by Hydrothermal Carbonization of Biomass Derived Precursors.” Acs Sustainable Chemistry & Engineering 4 (5): 2508–2516.
Chicago author-date (all authors)
Flexer, Victoria, Bogdan Constantin Donose, Camille Lefebvre, Guillermo Pozo, Matthieu Boone, Luc Van Hoorebeke, Mohamed Baccour, Laurent Bonnet, Sylvie Calas-Etienne, Anne Galarneau, Maria-Magdalena Titirici, and Nicolas Brun. 2016. “Microcellular Electrode Material for Microbial Bioelectrochemical Systems Synthesized by Hydrothermal Carbonization of Biomass Derived Precursors.” Acs Sustainable Chemistry & Engineering 4 (5): 2508–2516.
Vancouver
1.
Flexer V, Donose BC, Lefebvre C, Pozo G, Boone M, Van Hoorebeke L, et al. Microcellular electrode material for microbial bioelectrochemical systems synthesized by hydrothermal carbonization of biomass derived precursors. ACS SUSTAINABLE CHEMISTRY & ENGINEERING. 2016;4(5):2508–16.
IEEE
[1]
V. Flexer et al., “Microcellular electrode material for microbial bioelectrochemical systems synthesized by hydrothermal carbonization of biomass derived precursors,” ACS SUSTAINABLE CHEMISTRY & ENGINEERING, vol. 4, no. 5, pp. 2508–2516, 2016.
@article{7161183,
  abstract     = {A new monolithic carbonaceous material, 750-HMF-CarboHIPE is presented here. The new electrode has been tested as an anode material inside a microbial bioelectrochemical system. In a purposely designed continuous flow bioelectrochemical reactor, the new material showed high biocompatibility, with a continuous biofilm development that remained bioelectrochemically active for over 6 months. A catalytic current of 1.56 mA cm-2 / 7.8 mA cm-3 (normalization by projected surface area and volumetric current) was reached. The current density was proportional to the flow rate. The new electrode material was synthesized using a high internal phase emulsion (HIPE) as a soft template to confine the polymerization and hydrothermal carbonization of two precursors derived from the cellulosic fraction of biomass and the bark of fruit trees: 5-hydroxymethylfurfural and phloroglucinol, respectively. Altogether, the sustainable synthetic route from biomass materials and the proposed application of oxidizing organic matter present in wastewater to produce electricity in a microbial fuel cell (MFC) close an interesting loop of prospective sustainable technology.},
  author       = {Flexer, Victoria and Donose, Bogdan Constantin and Lefebvre, Camille and Pozo, Guillermo and Boone, Matthieu and Van Hoorebeke, Luc and Baccour, Mohamed and Bonnet, Laurent and Calas-Etienne, Sylvie and Galarneau, Anne and Titirici, Maria-Magdalena and Brun, Nicolas},
  issn         = {2168-0485},
  journal      = {ACS SUSTAINABLE CHEMISTRY & ENGINEERING},
  keywords     = {Microbial Bioelectrochemical systems,microbial fuel cells,electrochemically active biofilm,electrode material,UGCT,porous carbons,micro-CT,PHASE-CONTRAST TOMOGRAPHY,ACID-BASE STRENGTH,ENERGY-CONVERSION,POROUS STRUCTURE,CARBON,ANODE,PERFORMANCE,ELECTRICITY,FUEL-CELLS,CURRENT GENERATION},
  language     = {eng},
  number       = {5},
  pages        = {2508--2516},
  title        = {Microcellular electrode material for microbial bioelectrochemical systems synthesized by hydrothermal carbonization of biomass derived precursors},
  url          = {http://dx.doi.org/10.1021/acssuschemeng.5b01592},
  volume       = {4},
  year         = {2016},
}

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