IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
Special Section on Recent Progress in Organic Molecular Electronics and Biotechnology
Enzymatic Biofuel Cell Using Graphene Electrodes with Improved Interfacial Electron Transfer
Kenta KUROISHIToshinari DOIKazuki HOSHIKazuo MURAMATSUYasushiro NISHIOKASatomitsu IMAI
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Keywords: GCFC, BOD, PBSE, DPPC, AA EBFC
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2019 Volume E102.C Issue 2 Pages 159-163

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Abstract

In this study, we optimized the reforming of bilirubin oxidase (BOD) using graphene-coated carbon fiber woven fabric (GCFC) as an electrode, and The performance of the cathode in which synthesized 1-pyrene butyric acid N-hydroxysuccinimide ester (PBSE) and 2,5-dimethyl-1-phenyl-1-H-pyrrole-3-carbaldehyde (DPPC) were added, was evaluated. In addition, the prototype evaluation of the atmospheric-exposure-type ascorbic acid enzyme biofuel cell (AAEBFC) using the improved GCFC cathode was performed. The area of both the anode and cathode electrodes was 5mm × 5mm. No modification was performed to the anode, and only the cathode was coated with the enzyme BOD. In the work, for the AAEBFC using the BOD-modified cathode, an output of 238.5µW/cm2 was obtained at 0.245V. Further, in the AAEBFC using the DPPC-PBSE-BOD-modified cathode, an output of 338.8µW/cm2 was obtained at 0.292V. The output in this work was improved by approximately 1.4 times by the additives.

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© 2019 The Institute of Electronics, Information and Communication Engineers
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