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Fabrication of Carbon-Felt-Based Multi-Enzyme Immobilized Anodes to Oxidize Sucrose for Biofuel Cells

Handa, Yutaka ; Yamagiwa, Kiyofumi ; Ikeda, Yutaro ; Yanagisawa, Yuichi ; Watanabe, Shinya ; Yabuuchi, Naoaki ; Komaba, Shinichi

Chemphyschem, 2014-07, Vol.15 (10), p.2145-2151 [Periódico revisado por pares]

Weinheim: WILEY-VCH Verlag

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Título:
Fabrication of Carbon-Felt-Based Multi-Enzyme Immobilized Anodes to Oxidize Sucrose for Biofuel Cells
Autor: Handa, Yutaka ; Yamagiwa, Kiyofumi ; Ikeda, Yutaro ; Yanagisawa, Yuichi ; Watanabe, Shinya ; Yabuuchi, Naoaki ; Komaba, Shinichi
Assuntos: Applied sciences ; beta-Fructofuranosidase - chemistry ; beverages ; Biodiesel fuels ; Bioelectric Energy Sources ; biofuel cells ; buffer solutions ; Carbohydrate Epimerases - chemistry ; Carbon - chemistry ; Chemistry ; Direct energy conversion and energy accumulation ; Electrical engineering. Electrical power engineering ; Electrical power engineering ; Electrochemical conversion: primary and secondary batteries, fuel cells ; Electrochemistry ; Electrodes ; Electrodes: preparations and properties ; Energy ; Energy. Thermal use of fuels ; Enzymes ; Enzymes, Immobilized - chemistry ; Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc ; Exact sciences and technology ; Fructose - chemistry ; Fuel cells ; General and physical chemistry ; Glucose - chemistry ; Glucose Oxidase - chemistry ; multi-enzyme systems ; Nanotubes, Carbon - chemistry ; Oxidation-Reduction ; Oxidoreductases - chemistry ; Oxidoreductases Acting on CH-CH Group Donors - chemistry ; Oxygen - chemistry ; Sucrose ; Sucrose - chemistry
É parte de: Chemphyschem, 2014-07, Vol.15 (10), p.2145-2151
Notas: ArticleID:CPHC201400058
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SourceType-Scholarly Journals-1
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Descrição: A carbon‐felt‐based multi‐enzyme immobilized bioanode for biofuel cells has been successfully developed. The combination of four enzymes, namely, invertase, mutarotase, glucose oxidase, and fructose dehydrogenase, makes it possible to use sucrose—a disaccharide—as fuel for the bioanode. The new electrode exhibits a high oxidation current density of about 12 mA cm−2 (0.25 V vs. Ag/AgCl) in a McIlvaine buffer solution containing sucrose at pH 6.0 in the half‐cell configuration. A sucrose/O2 biofuel cell composed of the bioanode and an opposite biocathode, including bilirubin oxidase as the enzymatic electrocatalyst, was fabricated, and the new device demonstrated a maximum power density of 2.90 mW cm−2 with an open‐circuit voltage of 0.69 V in the McIlvaine buffer solution. The biofuel cell fabricated using our multi‐enzyme anode operates in commercially available beverages that contain only sugar, even without glucose. Multi‐Enzyme Bioanodes: The combination of four enzymes in an electrode enables the use of sucrose as a fuel in biofuel cells. A sucrose/O2 device fabricated using this new bioanode can be operated in commercially available beverages containing sugar as “biofuel”.
Editor: Weinheim: WILEY-VCH Verlag
Idioma: Inglês

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Fabrication of Carbon-Felt-Based Multi-Enzyme Immobilized Anodes to Oxidize Sucrose for Biofuel Cells

Handa, Yutaka ; Yamagiwa, Kiyofumi ; Ikeda, Yutaro ; Yanagisawa, Yuichi ; Watanabe, Shinya ; Yabuuchi, Naoaki ; Komaba, Shinichi

Weinheim: WILEY-VCH Verlag

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