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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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    5. 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.
    6. Alipour Najmi, Ali & Rowshanzamir, Soosan & Parnian, Mohammad Javad, 2016. "Investigation of NaOH concentration effect in injected fuel on the performance of passive direct methanol alkaline fuel cell with modified cation exchange membrane," Energy, Elsevier, vol. 94(C), pages 589-599.
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