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A novel TiO2 nanofiber supported PdAg catalyst for methanol electro-oxidation

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  • Ju, Jianfeng
  • Chen, Xi
  • Shi, Yujun
  • Wu, Donghui
  • Hua, Ping

Abstract

A novel PdAg/TiO2 nanofiber electrocatalyst for methanol oxidation was fabricated by using TiO2 nanofiber as support. The structural and electrochemical properties of the PdAg/TiO2 nanofiber catalyst were characterized by XRD (X-ray diffraction), TEM (the transmission electron microscopy) and electrochemical analysis. The experiment results showed that the large surface area and porous structure of TiO2 nanofiber were preferable to the dispersion of nanosized PdAg alloy on the surface of TiO2 nanofiber support. The electrocatalytic activity for methanol oxidation of the PdAg/TiO2 nanofiber catalyst has shown promising electrocatalytic and anti-poisoning capabilities. The methanol oxidation mechanism of the PdAg/TiO2 nanofiber catalyst was mainly resulted from the photocatalytic function of the composite TiO2 material that had high catalytic activity without UV light illumination. The PdAg/TiO2 catalyst might become a promising candidate for direct methanol fuel cell.

Suggested Citation

  • Ju, Jianfeng & Chen, Xi & Shi, Yujun & Wu, Donghui & Hua, Ping, 2013. "A novel TiO2 nanofiber supported PdAg catalyst for methanol electro-oxidation," Energy, Elsevier, vol. 59(C), pages 478-483.
    • Handle: RePEc:eee:energy:v:59:y:2013:i:c:p:478-483
    DOI: 10.1016/j.energy.2013.06.058
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    References listed on IDEAS

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    1. Diker, Halide & Varlikli, Canan & Mizrak, Koray & Dana, Aykutlu, 2011. "Characterizations and photocatalytic activity comparisons of N-doped nc-TiO2 depending on synthetic conditions and structural differences of amine sources," Energy, Elsevier, vol. 36(2), pages 1243-1254.
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    Cited by:

    1. Fard, Leyla Abolghasemi & Ojani, Reza & Raoof, Jahan Bakhsh & Zare, Ehsan Nazarzadeh & Lakouraj, Moslem Mansour, 2017. "Poly (pyrrole-co-aniline) hollow nanosphere supported Pd nanoflowers as high-performance catalyst for methanol electrooxidation in alkaline media," Energy, Elsevier, vol. 127(C), pages 419-427.
    2. Shao, Zhou & Li, Hongji & Li, Mingji & Li, Cuiping & Qu, Changqing & Yang, Baohe, 2015. "Fabrication of polyaniline nanowire/TiO2 nanotube array electrode for supercapacitors," Energy, Elsevier, vol. 87(C), pages 578-585.
    3. Kiyani, Roya & Rowshanzamir, Soosan & Parnian, Mohammad Javad, 2016. "Nitrogen doped graphene supported palladium-cobalt as a promising catalyst for methanol oxidation reaction: Synthesis, characterization and electrocatalytic performance," Energy, Elsevier, vol. 113(C), pages 1162-1173.
    4. Ojani, Reza & Hasheminejad, Ehteram & Raoof, Jahan Bakhsh, 2015. "Direct growth of 3D flower-like Pt nanostructures by a template-free electrochemical route as an efficient electrocatalyst for methanol oxidation reaction," Energy, Elsevier, vol. 90(P1), pages 1122-1131.
    5. Song, Xingjuan & Zhang, Dongming, 2014. "Bimetallic Ag–Ni/C particles as cathode catalyst in AFCs (alkaline fuel cells)," Energy, Elsevier, vol. 70(C), pages 223-230.

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