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Graphene based enzymatic bioelectrodes and biofuel cells.
Anahita Karimi1, Ali Othman, Aytekin Uzunoglu
1Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, New York 13699-5810, USA. eandrees@clarkson.edu.
Nanoscale
|April 3, 2015
Summary
Graphene enhances enzymatic biofuel cells by improving electron transfer and enzyme stability, paving the way for efficient bioenergy harvesting. This review details graphene
Area of Science:
- Electrochemistry
- Materials Science
- Biotechnology
Background:
- Enzyme-based biofuel cells offer potential for sustainable energy generation from organic matter.
- Graphene's excellent electrical conductivity and functionalization capabilities make it ideal for bioelectrode development.
Purpose of the Study:
- To review the properties and applications of graphene in constructing enzymatic biofuel cells.
- To explore how graphene enhances electron transfer, enzyme stability, and power density.
Main Methods:
- Review of current research on graphene-based nanomaterials and their physicochemical properties.
- Analysis of enzyme immobilization techniques and their performance on graphene.
- Discussion of functionalized graphene and nanocomposites for biofuel cell applications.
Main Results:
- Graphene significantly improves electron transfer rates and enzyme immobilization.
- Functionalized graphene and nanocomposites enhance enzyme stability and activity.
- Optimized graphene-based electrodes lead to higher power density in biofuel cells.
Conclusions:
- Graphene is a key material for advancing enzymatic biofuel cell technology.
- Further research is needed to address challenges in stability and scalability.
- Graphene-based biofuel cells represent a promising avenue for renewable energy sources.
