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A Highly Selective Novel Green Cation Exchange Membrane Doped with Ceramic Nanotubes Material for Direct Methanol Fuel Cells

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  • Marwa H. Gouda

    (Polymer Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt)

  • Tamer M. Tamer

    (Polymer Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt)

  • Mohamed S. Mohy Eldin

    (Polymer Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt)

Abstract

Herein, a pair of inexpensive and eco-friendly polymers were blended and formulated based on poly (ethylene oxide) (PEO) and poly (vinyl alcohol) (PVA). FTIR, XRD, EDX and TEM techniques were used to describe a Phosphated titanium oxide (PO 4 TiO 2 ) nanotube synthesised using a straightforward impregnation-calcination procedure. For the first time, the produced nanoparticles were inserted as a doping agent into this polymeric matrix at a concentration of (1–3) wt.%. FTIR, TGA, DSC and XRD were used to identify the formed composite membranes. Furthermore, because there are more hydrogen bonds generated between the polymer’s functional groups and oxygen functional groups PO 4 TiO 2 , oxidative stability and tensile strength are improved with increasing doping addition and obtain better results than Nafion117. The permeability of methanol reduced as the weight % of PO 4 TiO 2 increased. In addition, the ionic conductivity of the membrane with 3 wt.% PO 4 -TiO 2 is raised to (28 mS cm −1 ). The optimised membrane (PVA/PEO/PO 4 TiO 2 -3) had a higher selectivity (6.66 × 10 5 S cm −3 s) than Nafion117 (0.24 × 10 5 S cm −3 s) and can be used as a proton exchange membrane in the development of green and low-cost DMFCs.

Suggested Citation

  • Marwa H. Gouda & Tamer M. Tamer & Mohamed S. Mohy Eldin, 2021. "A Highly Selective Novel Green Cation Exchange Membrane Doped with Ceramic Nanotubes Material for Direct Methanol Fuel Cells," Energies, MDPI, vol. 14(18), pages 1-11, September.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:18:p:5664-:d:632005
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    References listed on IDEAS

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    1. Marwa H. Gouda & Noha A. Elessawy & Diogo M.F. Santos, 2020. "Synthesis and Characterization of Novel Green Hybrid Nanocomposites for Application as Proton Exchange Membranes in Direct Borohydride Fuel Cells," Energies, MDPI, vol. 13(5), pages 1-15, March.
    2. Ma, Jia & Choudhury, Nurul A. & Sahai, Yogeshwar, 2010. "A comprehensive review of direct borohydride fuel cells," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(1), pages 183-199, January.
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