Issue 25, 2021

Pseudomonas fragi/graphene–gold hybrid nanomaterial bioanode based microbial fuel cell

Abstract

A Pseudomonas fragi (P. fragi) and graphene–gold hybrid nanomaterial included a carbon felt electrode (graphene–Au/CFE) bioanode was developed and optimized. Then, this bioanode was combined with a platinum cathode and a single cell compartment microbial fuel cell (MFC) was formed. To the best of our knowledge, this is the first study that has utilized P. fragi as a biocatalyst. After the optimization of the working parameters of P. fragi/graphene–Au/CFE bioanode, like the effect of benzoquinone (BQ) on bioanode performance, BQ concentration optimization, P. fragi bacteria amount and graphene–Au hybrid nanomaterial amount optimization, the characteristics of the developed MFC were examined. As a result, 0.169 V OCP, 23.80 μA cm−2 polarization and 0.50 μW cm−2 power density values together with remarkable lifetime (28 days) were obtained.

Graphical abstract: Pseudomonas fragi/graphene–gold hybrid nanomaterial bioanode based microbial fuel cell

Article information

Article type
Paper
Submitted
06 Mar 2021
Accepted
24 May 2021
First published
25 May 2021

New J. Chem., 2021,45, 11101-11107

Pseudomonas fragi/graphene–gold hybrid nanomaterial bioanode based microbial fuel cell

O. Avcı, Y. T. Büyüksünetçi, E. Erden, S. Timur and Ü. Anık, New J. Chem., 2021, 45, 11101 DOI: 10.1039/D1NJ01108A

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