Journal
ENERGY TECHNOLOGY
Volume 1, Issue 11, Pages 648-652Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ente.201300085
Keywords
graphene; microfluidics; microbial fuel cells; power generation; wastewater
Categories
Funding
- GRP Collaborative Fellowship [GRP-CF-2011-03-S]
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Microbial fuel cells harvest electrical energy produced by bacteria during the natural decomposition of organic matter. We report a micrometer-sized microbial fuel cell that is able to generate nanowatt-scale power from microliters of liquids. The sustainable design is comprised of a graphene anode, an air cathode, and a polymer-based substrate platform for flexibility. The graphene layer was grown on a nickel thin film by using chemical vapor deposition at atmospheric pressure. Our demonstration provides a low-cost option to generate useful power for lab-on-chip applications and could be promising to rapidly screen and scale up microbial fuel cells for water purification without consuming excessive power (unlike other water treatment technologies).
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