4.8 Article

Graphene-sponges as high-performance low-cost anodes for microbial fuel cells

Journal

ENERGY & ENVIRONMENTAL SCIENCE
Volume 5, Issue 5, Pages 6862-6866

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ee03583a

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Funding

  1. King Abdullah University of Science and Technology (KAUST) [KUS-l1-001-12]
  2. Precourt Institute for Energy at Stanford University
  3. Stanford Graduate Fellowship
  4. Stanford Interdisciplinary Graduate Fellowship

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A high-performance microbial fuel cell (MFC) anode was constructed from inexpensive materials. Key components were a graphene- sponge (G-S) composite and a stainless-steel (SS) current collector. Anode fabrication is simple, scalable, and environmentally friendly, with low energy inputs. The SS current collector improved electrode conductivity and decreased voltage drop and power loss. The resulting G-S-SS composite electrode appears promising for large-scale applications.

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