Mini-Review: Recent Technologies of Electrode and System in the Enzymatic Biofuel Cell (EBFC)

Enzymatic biofuel cells (EBFCs) is one of the branches of fuel cells that can provide high potential for various applications. However, EBFC has challenges in improving the performance power output. Exploring electrode materials is one way to increase enzyme utilization and lead to a high conversion...

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Bibliographic Details
Published in:Applied sciences 2021-06, Vol.11 (11), p.5197
Main Authors: A. Karim, Nabila, Yang, Hsiharng
Format: Article
Language:English
Subjects:
Adsorption
Biochemical fuel cells
Biocompatibility
Biodegradability
Biodegradation
Biodiesel fuels
Biofuels
Carbon
Chemical bonds
Conducting polymers
EBFC
electrode
Electrode materials
Electrodes
Electron transfer
enzyme
Enzymes
Fuel cells
Fuel technology
Glucose
Graphene
immobilization
Medical equipment
Microfluidics
Nanoparticles
Oxidation
Pollutants
Polymers
support
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Summary:Enzymatic biofuel cells (EBFCs) is one of the branches of fuel cells that can provide high potential for various applications. However, EBFC has challenges in improving the performance power output. Exploring electrode materials is one way to increase enzyme utilization and lead to a high conversion rate so that efficient enzyme loading on the electrode surface can function correctly. This paper briefly presents recent technologies developed to improve bio-catalytic properties, biocompatibility, biodegradability, implantability, and mechanical flexibility in EBFCs. Among the combinations of materials that can be studied and are interesting because of their properties, there are various nanoparticles, carbon-based materials, and conductive polymers; all three have the advantages of chemical stability and enhanced electron transfer. The methods to immobilize enzymes, and support and substrate issues are also covered in this paper. In addition, the EBFC system is also explored and developed as suitable for applications such as self-pumping and microfluidic EBFC.
ISSN:2076-3417
2076-3417
DOI:10.3390/app11115197