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Controllable Fabrication of Pt Nanocatalyst Supported on N-doped Carbon Containing Nickel Nanoparticles for Ethanol Oxidation

Controllable Fabrication of Pt Nanocatalyst Supported on N-doped Carbon Containing Nickel Nanoparticles for Ethanol Oxidation

Jianguo Yu, Tangming Dai, Yuechao Cao, Yuning Qu, Yao Li, Juan Li, Yongnan Zhao, Haiyan Gao

J Colloid Interface Sci. 2018 Aug 15;524:360-367.

PMID: 29656068

Abstract:

In this paper, platinum nanoparticles were deposited on a carbon carrier with the partly graphitized carbon and the highly dispersive carbon-coated nickel particles. An efficient electron transfer structure can be fabricated by controlling the contents of the deposited platinum. The high resolution transmission electron microscopy images of Pt2/Ni@CN-doped sample prove the electron transfer channel from Pt (1 1 1) crystal planes to graphite (1 0 0) or Ni (1 1 1) crystal planes due to these linked together crystal planes. The Pt3/Ni@CN-doped with low Pt contents cannot form the electron transfer structure and the Pt1/Ni@CN-doped with high Pt contents show an obvious aggregation of Pt nanoparticles. The electrochemical tests of all the catalysts show that the Pt2/Ni@CN-doped sample presents the highest catalytic activity, the strongest CO tolerance and the best catalytic stability. The high performance is attributed to the efficient electronic transport structure of the Pt2/Ni@CN-doped sample and the synergistic effect between Pt and Ni nanoparticles. This paper provides a promising method for enhancing the conductivity of electrode material.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS72337	Platinum on graphitized carbon			Price

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