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Electrochemically interfacing bacteria with electrodes presents a dynamic new set of materials challenges. Bacteria naturally form biofilms on traditional electrode surfaces, but materials design can help promote extracellular electron transfer between the bacteria and the electrode within biofilms.

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System
MFC

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Abstract

Electrochemically interfacing bacteria with electrodes presents a dynamic new set of materials challenges. Bacteria naturally form biofilms on traditional electrode surfaces, but materials design can help promote extracellular electron transfer between the bacteria and the electrode within biofilms. This paper will discuss materials strategies for promoting biofilm formation, biofilm maintenance, and extracellular electron transfer within the film, as well as improving the lifetime of microbial bioelectrodes. We will discuss different strategies for biophotocurrent generation versus microbial fuel cells versus shock biosensors, including novel carbon materials, electrode treatments, redox polymers, and biopolymer engineering.

Keywords

BiofilmMicrobial fuel cellInterfacingBiopolymerNanotechnologyElectrode

Identifiers

DOI
10.1149/ma2019-01/30/1520
Journal
ECS Meeting Abstracts
Year
2019