Journal
JOURNAL OF POWER SOURCES
Volume 234, Issue -, Pages 100-106Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2013.01.146
Keywords
Nanohybrid anode; TiO2; Carbon nanotube; Microbial fuel cell
Funding
- U.S. National Science Foundation [ECCS-1001039, CBET-1033505]
- U.S. Department of Energy [DE-EE0003208]
- National Natural Science Foundation of China [20903055, 21206068]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1001039] Funding Source: National Science Foundation
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [1033505] Funding Source: National Science Foundation
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A facile and reliable method has been developed to synthesize nanohybrids of anatase TiO2 nanoparticles-decorating carbon nanotubes (CNTs@TiO2). The nanohybrid displays a unique feature of having CNTs encapsulated inside and anatase TiO2 nanoparticles coating on the CNT surface. Comprehensive characterizations suggest that CNTs@TiO2 nanohybrids exhibit unique properties of CNTs and TiO2 nanoparticles with one-dimensional structure, excellent electrical conductivity, high surface area, and good biocompatibility. The electrochemical properties of CNTs@TiO2 nanohybrids were systematically investigated, it was revealed that the CNTs@TiO2 nanohybrids showed great promise as anode materials of microbial fuel cells (MFCs). Compared with pure TiO2 nanoparticles and CNTs alone, CNTs@TiO2 nanohybrids exhibited a much higher output current, power density, and Coulombic efficiency when used as anode materials of MFCs. The as-developed synthetic route opens up a new avenue for designing CNTs-based nanohybrid materials for various applications benefiting from the synergetic effect among constituents. (c) 2013 Elsevier B.V. All rights reserved.
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