Graphene‐Based Flexible Micrometer‐Sized Microbial Fuel Cell
Justine E. Mink, Ramy M. Qaisi, Muhammad M. Hussain
AI summary
70% confidenceA micrometer-sized microbial fuel cell using a graphene anode and air cathode generates nanowatt-scale power from microliters of liquids.
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Abstract
Abstract 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).
Key findings
- Graphene-based anode enhances power generation in microbial fuel cells.
- Air cathode improves efficiency and scalability of microbial fuel cells.
- Polymer-based substrate platform enables flexible and low-cost design.
Keywords
Identifiers
- Journal
- Energy Technology
- Year
- 2013