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

被引:243
作者
Xie, Xing [1 ,2 ]
Yu, Guihua [3 ]
Liu, Nian [4 ]
Bao, Zhenan [3 ]
Criddle, Craig S. [1 ]
Cui, Yi [2 ,5 ]
机构
[1] Stanford Univ, Dept Civil & Environm Engn, Stanford, CA 94305 USA
[2] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
[3] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA
[4] Stanford Univ, Dept Chem, Stanford, CA 94305 USA
[5] Stanford Inst Mat & Energy Sci, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
关键词
SHEWANELLA-ONEIDENSIS MR-1; WASTE-WATER TREATMENT; ELECTRON-TRANSFER; ELECTRICITY-GENERATION; POWER PRODUCTION; CARBON CLOTH; BACTERIAL NANOWIRES; ENERGY; MICROORGANISMS; COMPOSITE;
D O I
10.1039/c2ee03583a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
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.
引用
收藏
页码:6862 / 6866
页数:5
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