IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
Ascorbic-acid biofuel cell with graphene-coated carbon fiber woven fabric and ABTS as an electron transfer mediator
Tatsuki OGINOKenta KUROiSHISatomitsu IMAI
著者情報
キーワード: GCFC, ABTS, BOD, ascorbic-acid, AAEBFC
ジャーナル 認証あり 早期公開

論文ID: 2020OMS0005

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In this study, two modification methods that employ graphene-coated carbon fiber woven fabric (GCFC) as an electrode and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid (ABTS) as a mediator were used to evaluate cathode performance. In addition, a prototype of an atmosphere-exposed ascorbic-acid enzyme biofuel cell (AAEBFC) consisting of an improved GCFC cathode and ABTS was evaluated. No modification was made in the anode region, and only the cathode region was coated with the enzyme of bilirubin oxidase (BOD). As a result of implementing an ABTS-modified cathode in the AAEBFC, an output of 721 μW/cm2 was obtained at 0.189 V. When the gel thickness was changed, an output of 1200 μW/cm2 was obtained at 0.17 V. To the best of our knowledge, this is currently the highest reported output for an AAEBFC fueled by ascorbic acid.

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© 2020 The Institute of Electronics, Information and Communication Engineers
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