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author:

Cai, Jindi (Cai, Jindi.) [1] | Huang, Yiyin (Huang, Yiyin.) [2] | Guo, Yonglang (Guo, Yonglang.) [3] (Scholars:郭永榔)

Indexed by:

EI Scopus SCIE

Abstract:

Carbon-supported palladium-tellurium binary nanocatalysts with different atomic ratios of Pd/Te (PdTex/C, x = 0.5, 1, 1.5 and 2) are prepared by a fast microwave polyol method. X-ray diffraction (XRD), transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) analysis reveal that the intermetallic phases of both PdTe and PdTe2 are formed in the PdTex/C catalysts. The presence of tellurium effectively inhibits the agglomeration of Pd nanoparticles. All catalyst nanoparticles are uniformly dispersed on carbon support and the average particle size of PdTe1.5/C catalyst is a bit smaller than that of Pd/C catalyst. The peak current density of ethanol oxidation on PdTe1.5/C (190.3 mA cm(-2)) is about 2.8 times higher than that on Pd/C (68.5 mA cm(-2)) in cyclic voltammograms (CV). Moreover, the anti-poisoning ability and durability of this catalyst are also greatly improved. The Te-containing catalyst facilitates the formation of oxygenated species obviously and weakens the adsorption of CO-like species. The kinetics of ethanol oxidation reaction is notably enhanced on the PdTe1.5/C catalyst. (C) 2013 Elsevier B.V. All rights reserved.

Keyword:

Alkaline media Ethanol oxidation Microwave-assisted Palladium-tellurium Pd-based catalysts

Community:

  • [ 1 ] [Cai, Jindi]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350116, Peoples R China
  • [ 2 ] [Huang, Yiyin]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350116, Peoples R China
  • [ 3 ] [Guo, Yonglang]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350116, Peoples R China

Reprint 's Address:

  • 郭永榔

    [Guo, Yonglang]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350116, Peoples R China

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Source :

APPLIED CATALYSIS B-ENVIRONMENTAL

ISSN: 0926-3373

Year: 2014

Volume: 150

Page: 230-237

7 . 4 3 5

JCR@2014

2 0 . 3 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:268

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 53

SCOPUS Cited Count: 55

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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