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IEICE TRANSACTIONS on Electronics

Ascorbic-Acid Biofuel Cell with Graphene-Coated Carbon Fiber Woven Fabric and ABTS as an Electron Transfer Mediator

Tatsuki OGINO, Kenta KUROISHI, Satomitsu IMAI

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Summary :

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 721μW/cm2 was obtained at 0.189V. When the gel thickness was changed, an output of 1200μW/cm2 was obtained at 0.17V. To the best of our knowledge, this is currently the highest reported output for an AAEBFC fueled by ascorbic acid.

Publication
IEICE TRANSACTIONS on Electronics Vol.E104-C No.6 pp.202-205
Publication Date
2021/06/01
Publicized
2020/12/01
Online ISSN
1745-1353
DOI
10.1587/transele.2020OMS0005
Type of Manuscript
BRIEF PAPER
Category

Authors

Tatsuki OGINO
  Nihon University
Kenta KUROISHI
  Nihon University
Satomitsu IMAI
  Nihon University

Keyword

GCFC,  ABTS,  BOD,  ascorbic-acid,  AAEBFC