title: Influence of different morphology of three-dimensional Cu(x)O with mixed facets modified air-cathodes on microbial fuel cell.
abstract: Three kinds of three-dimensional (3D) CuxO catalysts were prepared to modify activated carbon air-cathode using a facile electrochemical method with addition of surfactants. The maximum power density of MFC using SC-Cu air cathode (added sodium citrate into the electrolyte solution in electrodeposition process) was 1550±47 mW m(-2), almost 77% higher than AC cathode. Specifically, the charge transfer resistance significantly decreased by 89% from 9.3980 Ω to 1.0640 Ω compared to the control. Lumphy and mutually embedded filmy sheet structure were observed in SEM, which provided sufficient active sites for oxygen adsorption and diffusion. In XRD and TEM result, CuxO with mixed facets showed special structure which had a better performance. Crystallization condition of electrodeposited materials played a significant role in their nature electrochemical properties, morphology controlled by surfactant of CuxO exhibited high properties on the air-cathode MFC.
authors.affiliation: The College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
authors.forename: Ziqi
authors.initials: Z
authors.lastname: Liu
authors.affiliation: The College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China. Electronic address: Likx@nankai.edu.cn.
authors.forename: Kexun
authors.initials: K
authors.lastname: Li
authors.affiliation: The College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
authors.forename: Xi
authors.initials: X
authors.lastname: Zhang
authors.affiliation: The College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
authors.forename: Baochao
authors.initials: B
authors.lastname: Ge
authors.affiliation: The College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
authors.forename: Liangtao
authors.initials: L
authors.lastname: Pu
mesh_terms: D000388:Air; D001674:Bioelectric Energy Sources; D003300:Copper / Q000737:chemistry*; D004560:Electricity; D055664:Electrochemical Techniques; D004566:Electrodes; D010087:Oxides / Q000737:chemistry*; D010100:Oxygen / Q000032:analysis; D013816:Thermodynamics
chemical_list: D010087:Oxides; D003300:Copper; D010100:Oxygen
keywords: Crystallization; Cu(x)O; Electrodeposition; Microbial fuel cell; Morphology