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Decorating anode with bamboo-like nitrogen-doped carbon nanotubes for microbial fuel cells

Articles

Journal/Conference:

ELECTROCHEMISTRY COMMUNICATIONS

Language:

English

Author:

Ci Suqin; Wen Zhenhai; He Zhen

Experts:

Chen Junhong

Year:

2012

Volume:

14

Issue:

1

Pages:

71-74

Keywords:

Carbon nanotubes; Nitrogen doping; Anode; Microbial fuel cell

Anode electrodes play a key role in generating electricity from microbial fuel cells (MFCs) because they directly affect microbial activities. This communication reports the preparation of nitrogen-doped carbon nanotubes with a bamboo-like nanostructure (Bamboo-NCNTs) by catalytic pyrolysis of ethylene diamine and application of the Bamboo-NCNTs as anode-modifying materials in MFCs. The Bamboo-NCNTs significantly improved performance of an MFC in current production and power output, and reduced internal resistance of the anode compared with conventional CNTs-modified and unmodified anodes. The improved performance could be attributed to the increased active sites induced by multiple joint structures and enhanced biocompatibility originated from nitrogen dopant. (C) 2011 Elsevier B.V. All rights reserved.