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Fabrication and characterization of alkaline leached CuZn/Cu electrode as anode material for direct methanol fuel cell

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  • Döner, Ali
  • Solmaz, Ramazan
  • Kardaş, Gülfeza

Abstract

Alkaline-leached CuZn binary coatings were electrochemically prepared on a copper substrate and characterized for methanol electro-oxidation in alkaline solution. The electrodes were characterized by SEM (scanning electron microscopy) and EDX (energy dispersive X-ray) spectroscopy. CV (Cyclic voltammetry), EIS (electrochemical impedance spectroscopy) and CA (chronoamperometry) were used to investigate electrochemical activity of the electrodes. The effects of some parameters such as surface coverage (Γ), anodic electron transfer coefficient (αa) and rate constant (ks) on the electro-oxidation of methanol were determined. It was found that the alkaline leached CuZn/Cu electrode has significantly better rates of methanol electro-oxidation. The relative electrocatalytic efficiency is as follows: CuZn/Cu > Cu/Cu > Cu.

Suggested Citation

  • Döner, Ali & Solmaz, Ramazan & Kardaş, Gülfeza, 2015. "Fabrication and characterization of alkaline leached CuZn/Cu electrode as anode material for direct methanol fuel cell," Energy, Elsevier, vol. 90(P1), pages 1144-1151.
    • Handle: RePEc:eee:energy:v:90:y:2015:i:p1:p:1144-1151
    DOI: 10.1016/j.energy.2015.06.058
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    References listed on IDEAS

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    1. Carton, J.G. & Olabi, A.G., 2010. "Design of experiment study of the parameters that affect performance of three flow plate configurations of a proton exchange membrane fuel cell," Energy, Elsevier, vol. 35(7), pages 2796-2806.
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    Cited by:

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    2. Parnian, Mohammad Javad & Rowshanzamir, Soosan & Gashoul, Fatemeh, 2017. "Comprehensive investigation of physicochemical and electrochemical properties of sulfonated poly (ether ether ketone) membranes with different degrees of sulfonation for proton exchange membrane fuel ," Energy, Elsevier, vol. 125(C), pages 614-628.
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    5. Alipour Najmi, Ali & Rowshanzamir, Soosan & Parnian, Mohammad Javad, 2016. "Study of physicochemical characterization of potassium-doped Nafion117 membrane and performance evaluation of air-breathing fuel cell in different alkali-methanol solutions," Energy, Elsevier, vol. 113(C), pages 1090-1098.
    6. Hosseini, M.G. & Mahmoodi, R. & Sadeghi Amjadi, M., 2017. "Carbon supported Ni1Pt1 nanocatalyst as superior electrocatalyst with increased power density in direct borohydride-hydrogen peroxide and investigation of cell impedance at different temperatures and ," Energy, Elsevier, vol. 131(C), pages 137-148.
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    8. Yuan, Zhenyu & Yang, Jie & Li, Xiaoyang & Wang, Shikai, 2016. "The micro-scale analysis of the micro direct methanol fuel cell," Energy, Elsevier, vol. 100(C), pages 10-17.

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