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Conical nano-structure arrays of Platinum cathode catalyst for enhanced cell performance in PEMFC (proton exchange membrane fuel cell)

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  • Khan, Aziz
  • Nath, Bhabesh Kumar
  • Chutia, Joyanti

Abstract

Conical nanostructure arrays of Pt (Platinum) as cathode catalyst are developed using a novel integrated plasma sputtering technique. The integration method involves successive deposition of Pt catalyst arrays one upon another maintaining a uniform time gap. Deposition by integrated approach results in the formation of dense arrays of Pt nanostructure as compared to continuous deposition. These high number density integrated arrays with low Pt loading of 0.10 mg cm−2 at the cathode provide enhanced performance compared to non-integrated cathode catalyst prepared by continuous deposition and standard commercial electrodes with Pt loadings of 1 mg cm−2. The performance is compared on the basis of polarization curve measurements and the calculated power density values. PEM fuel cell with dual integrated cathode showed an improved power density of 0.90 W cm−2, which is higher than continuously deposited cathode catalyst with maximum power density of 0.67 W cm−2 for the same Pt loading of 0.10 mg cm−2.

Suggested Citation

  • Khan, Aziz & Nath, Bhabesh Kumar & Chutia, Joyanti, 2015. "Conical nano-structure arrays of Platinum cathode catalyst for enhanced cell performance in PEMFC (proton exchange membrane fuel cell)," Energy, Elsevier, vol. 90(P2), pages 1769-1774.
    • Handle: RePEc:eee:energy:v:90:y:2015:i:p2:p:1769-1774
    DOI: 10.1016/j.energy.2015.07.002
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    Citations

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    Cited by:

    1. Kim, Ah-Reum & Shin, Seungho & Um, Sukkee, 2016. "Multidisciplinary approaches to metallic bipolar plate design with bypass flow fields through deformable gas diffusion media of polymer electrolyte fuel cells," Energy, Elsevier, vol. 106(C), pages 378-389.
    2. Sahoo, Madhumita & Ramaprabhu, S., 2017. "Nitrogen and sulfur co-doped porous carbon – is an efficient electrocatalyst as platinum or a hoax for oxygen reduction reaction in acidic environment PEM fuel cell?," Energy, Elsevier, vol. 119(C), pages 1075-1083.
    3. Roudbari, Mohsen Najafi & Ojani, Reza & Raoof, Jahan Bakhsh, 2019. "Performance improvement of polymer fuel cell by simultaneously inspection of catalyst loading, catalyst content and ionomer using home-made cathodic half-cell and response surface method," Energy, Elsevier, vol. 173(C), pages 151-161.

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