Co-modified MoO nanoparticles highly dispersed on N-doped carbon nanorods as anode electrocatalyst of microbial fuel cells.

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2019
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Abstract
Cobalt-modified molybdenum dioxide nanoparticles highly dispersed on nitrogen-doped carbon nanorods (Co-MoO/NCND), are synthesized from anilinium trimolybdate dihydrate nanorods, for the performance improvement of microbial fuel cell based on a mixed bacterial culture. Electrochemical measurements demonstrate that the as-synthesized Co-MoO/NCND exhibits excellent electrocatalytic activity for the charge transfer on anode, providing the cell with a maximum power density of 2.06 ± 0.05 W m, which is strikingly higher than the bare carbon felt anode (0.49 ± 0.04 W m). The excellent performance of Co-MoO/NCND is ascribed to the increased electronic conductivity of carbon nanorods by N-doping, the high ability of MoO to enrich electroactive bacteria, as demonstrated by high-throughput sequencing, and the enhanced activity of MoO by Co-modifying toward redox reactions in electroactive bacteria. This report provides a new concept of anode electrocatalyst fabrications for the application of microbial fuel cells in electricity generation and wastewater treatment.
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Authors Li, Xin;Hu, Meihua;Zeng, Lizhen;Xiong, Juan;Tang, Binhao;Hu, Zhangmin;Xing, Lidan;Huang, Qiming;Li, Weishan;
Journal Biosensors & bioelectronics
Year 2019
DOI
S0956-5663(19)30806-1
URL
Keywords
microbial fuel cell anode electrocatalyst carbon nanorods cobalt-modifying molybdenum dioxide nitrogen-doping

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