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Effect of casting solvent on the characteristics of nafion/TiO2 nanocomposite membranes for microbial fuel cell application

Bazrgar Bajestani, M ; Sharif University of Technology | 2016

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  1. Type of Document: Article
  2. DOI: 10.1016/j.ijhydene.2015.11.036
  3. Publisher: Elsevier Ltd , 2016
  4. Abstract:
  5. Synthesis and characterization of Nafion/TiO2 membranes (TiO2 1 wt%) with different solvents (DMF, DMAc, NMP) for proton exchange membrane operating at Microbial Fuel Cell (MFC) was investigated in this study. Nanocomposite membranes are studied due to their better physical properties and higher production voltage in comparison with Nafion 112 in MFC systems. Nafion/TiO2 nanocomposite membranes were prepared by solution casting Method. The structures of membranes were investigated by Scanning Electron Microscopy (SEM). In addition, water uptake, proton conductivity, and ion exchange capacity (IEC) of membranes were measured and compared with Nafion 112 in microbial fuel cell. The nanocomposite membrane prepared with DMF solvent has the best morphology, the highest porosity, and the maximum proton conductivity. Subsequently, the membranes were tested in a real MFC system and the nanocomposite membrane prepared with DMF solvent exhibited the maximum MFC voltage
  6. Keywords:
  7. Microbial fuel cell ; Nanocomposite ; Solvent ; Fuel cells ; Ion exchange ; Ion exchange membranes ; Membranes ; Morphology ; Nanocomposites ; Proton conductivity ; Proton exchange membrane fuel cells (PEMFC) ; Scanning electron microscopy ; Solvents ; Different solvents ; DMF solvents ; Fuel cell application ; Ion exchange capacity ; Nano-composite membranes ; Proton exchange membranes ; Solution-casting method ; Synthesis and characterizations ; Microbial fuel cells
  8. Source: International Journal of Hydrogen Energy ; Volume 41, Issue 1 , 2016 , Pages 476-482 ; 03603199 (ISSN)
  9. URL: http://www.sciencedirect.com/science/article/pii/S0360319915300331