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Highly active platinum supported on Mo-doped titanium nanotubes suboxide (Pt/TNTS-Mo) electrocatalyst for oxygen reduction reaction in PEMFC

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  • Alipour Moghadam Esfahani, Reza
  • Rivera Gavidia, Luis Miguel
  • García, Gonzalo
  • Pastor, Elena
  • Specchia, Stefania

Abstract

In this study, an innovative carbon-free electrocatalyst for oxygen reduction reaction was synthesized via deposition of platinum on titanium nanotube suboxide (trititanium pentoxide nanotubes, TNTS) obtained from titania doped with molybdenum (Pt/TNTS-Mo). The TNTS-Mo support was synthesized in autoclave, while the Pt/TNTS-Mo using the polyol method. The carbon-free support and the Pt-based catalyst were fully characterized via rotating disk electrode (RDE) technique and polymer exchange membrane fuel cell (PEMFC) station by preparing a membrane electrode assembly (MEA) with Nafion® 115, loaded with 0.35 mgPt cm−2 of Pt/TNTS-Mo at the cathode, and 0.35 mgPt cm−2 of commercial Pt/C (E-TEK) at the anode. In RDE experiments, the Pt/TNTS-Mo exhibited low overpotential and remarkable electroactivity toward oxygen reduction reaction (ORR: mass activity of 110.7 mA mgPt−1 at 0.9 V vs SHE). Moreover, the Pt/TNTS-Mo demonstrated excellent stability. Tests in a 25 cm2 single cell PEMFC resulted to maximum power density of 0.52 W cm−2.

Suggested Citation

  • Alipour Moghadam Esfahani, Reza & Rivera Gavidia, Luis Miguel & García, Gonzalo & Pastor, Elena & Specchia, Stefania, 2018. "Highly active platinum supported on Mo-doped titanium nanotubes suboxide (Pt/TNTS-Mo) electrocatalyst for oxygen reduction reaction in PEMFC," Renewable Energy, Elsevier, vol. 120(C), pages 209-219.
    • Handle: RePEc:eee:renene:v:120:y:2018:i:c:p:209-219
    DOI: 10.1016/j.renene.2017.12.077
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    References listed on IDEAS

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    1. Polterovich, Victor & Popov, Vladimir, 2006. "Эволюционная Теория Экономической Политики: Часть I: Опыт Быстрого Развития [An Evolutionary Theory of Economic Policy: Part I: The Experience of Fast Development]," MPRA Paper 22168, University Library of Munich, Germany.
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    1. Han, Yuan & Lai, Cong & Li, Jiarui & Zhang, Zhufeng & Zhang, Houcheng & Hou, Shujin & Wang, Fu & Zhao, Jiapei & Zhang, Chunfei & Miao, He & Yuan, Jinliang, 2022. "Elastocaloric cooler for waste heat recovery from proton exchange membrane fuel cells," Energy, Elsevier, vol. 238(PA).
    2. Alipour MoghadamEsfahani, Reza & Vankova, Svetoslava K. & Easton, E. Bradley & Ebralidze, Iraklii I. & Specchia, Stefania, 2020. "A hybrid Pt/NbO/CNTs catalyst with high activity and durability for oxygen reduction reaction in PEMFC," Renewable Energy, Elsevier, vol. 154(C), pages 913-924.
    3. Bhosale, Amit C. & Ghosh, Prakash C. & Assaud, Loïc, 2020. "Preparation methods of membrane electrode assemblies for proton exchange membrane fuel cells and unitized regenerative fuel cells: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 133(C).

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