Carbon supported Pt-shell modified PdCo-core with electrocatalyst for methanol oxidation

Wang, Rongfang; Wang, Hui; Wei, Bangxing; Wang, Wei; Lei, Ziqiang

doi:10.1016/j.ijhydene.2010.07.008

Cited by 57 publications

(18 citation statements)

References 34 publications

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“…45 On the basis of the Pt mass, the electrochemical results demonstrate that PdCo@Pt−C exhibits enhanced catalytic activity for methanol oxidation and better stability compared to pure Pt and Pt−Ru catalysts. The core−shell catalyst Co@Pt− Ru−MWCNTs was synthesized by surface displacement between Co and Pt−Ru alloy on the surface of MWCNTs.…”

Section: Tertiary Core−shell Nanoparticlesmentioning

confidence: 99%

Anode Catalysts for Direct Methanol Fuel Cells in Acidic Media: Do We Have Any Alternative for Pt or Pt–Ru?

et al. 2014

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Section: Tertiary Core−shell Nanoparticlesmentioning

confidence: 99%

Anode Catalysts for Direct Methanol Fuel Cells in Acidic Media: Do We Have Any Alternative for Pt or Pt–Ru?

et al. 2014

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“…These core-shell structures are also the appropriate way to modify the electrocatalytic properties of Pt in order to reduce Pt usage which makes this research particularly applicable to extend the use of Pt as a cost effective catalysts. 21, 33 …”

Section: Introductionmentioning

confidence: 99%

Highly monodisperse multiple twinned AuCu–Pt trimetallic nanoparticles with high index surfaces

Khanal

Bhattarai

McMaster

et al. 2014

Phys. Chem. Chem. Phys.

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Trimetallic nanoparticles present different properties than their mono- and bi-metallic counterparts, opening a wide range of possibilities for diverse potential applications with the notion to study possible morphology, atomic ordering, reduce precious metal consumption and many others. In this paper, we are presenting a comprehensive experimental study on AuCu/Pt trimetallic nanoparticles with an average diameter 15 ± 1.0 nm, synthesized in one-pot synthesis method and characterized by Cs-corrected scanning transmission electron microscopy technique that allowed us to probe the structure at the atomic level resolution. A new way to control the nanoparticle morphology by the presence of third metal (Pt) is also discussed by the overgrowth of Pt on as prepared AuCu core by Frank–van der Merwe (FM) layer-by-layer and Stranski–Krastanov (SK) island-on-wetting-layer growth modes. With the application of this research, we are now a step closer to produce optimum catalysts in which the active phase forms only surface monolayers. In addition, the nanoalloy presents high index facet surfaces with {211} and {321} families, that are highly open-structure surfaces and are interesting for the catalytic applications.

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“…On the other hand, the (1 1 1) diffraction of Pt-Ni/C shifts slightly negative relative to that of PtNi/C, suggesting that Pt-Ni/C catalyst with a low degree of alloy. The mean crystallize size of the particles can be calculated using Debye-Scherrer formula [21], the mean crystallize size of Pt/C, Ni/C, and Pt-Ni/C catalysts is ca. 3.5, 2.5, and 3.3 nm, respectively.…”

Section: Resultsmentioning

confidence: 99%

Carbon-supported platinum-decorated nickel nanoparticles for enhanced methanol oxidation in acid media

Wang

et al. 2011

J Solid State Electrochem

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Carbon-supported platinum-decorated nickel nanoparticles (denoted as Pt-Ni/C) with intimate contact of Pt and Ni are prepared by a galvanic displacement reaction between Ni/C nanoparticles and PtCl 6 2− in aqueous solution. It demonstrates a higher mass activity and stability to methanol oxidation reaction than conventional Pt/C and PtRu/C catalysts by a rotating disk electrode in acid solution, which could be attributed to the modified electronic structure of the Pt-Ni/C nanoparticles.

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Carbon supported Pt-shell modified PdCo-core with electrocatalyst for methanol oxidation

Cited by 57 publications

References 34 publications

Anode Catalysts for Direct Methanol Fuel Cells in Acidic Media: Do We Have Any Alternative for Pt or Pt–Ru?

Anode Catalysts for Direct Methanol Fuel Cells in Acidic Media: Do We Have Any Alternative for Pt or Pt–Ru?

Highly monodisperse multiple twinned AuCu–Pt trimetallic nanoparticles with high index surfaces

Carbon-supported platinum-decorated nickel nanoparticles for enhanced methanol oxidation in acid media

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