Electrocatalytic oxidation of methanol over Pt/CeO2/CNTs catalysts

Chuntao Liu; Yongrong Sun; Yu Gu; Kuo Wang; Chunyu Du

Electrocatalytic oxidation of methanol over Pt/CeO₂/CNTs catalysts

Chuntao Liu^*
, Yongrong Sun
, Yu Gu
, Kuo Wang
, Chunyu Du

^*Corresponding author for this work

Heilongjiang University
College of Heilongjiang Province
School of Chemistry and Chemical Engineering, Harbin Institute of Technology

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Pt/CeO₂/CNTs catalysts were prepared by a microwave-assisted polyol approach in order to investigate the effect of the addition of CeO₂ with different weight ratios to Pt/CNTs catalysts on electrochemical oxidation of methanol in alkaline solution. The X-ray diffraction (XRD) and transmission electron microscopy (TEM) results showed that the Pt particles were dispersed uniformly on the CeO₂/CNTs supports and Pt particles were smaller. The cyclic voltammetry and chronoamperometry results indicated that the catalytic activity of Pt/CeO₂/CNTs catalysts were superior to the Pt/CNTs ones for methanol oxidation in alkaline solution. It was found that the electrochemical active surface area and the peak current density of Pt/CeO₂/CNTs catalyst with Pt to CeO₂ weight ratio equals 1:0.5 were 76.3 m²·g^-1 and 12.95 mA·cm^-2, respectively. It exhibited the highest catalytic activity for methanol oxidation.The enhanced electro-chemical activity was attributed to the synergistic effect of Pt and CeO₂.

Original language	English
Pages (from-to)	533-537
Number of pages	5
Journal	Zhongguo Xitu Xuebao/Journal of the Chinese Rare Earth Society
Volume	29
Issue number	5
State	Published - Oct 2011
Externally published	Yes

Keywords

CeO
Electrocatalytic oxidation
Methanol
Rare earths

Cite this

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title = "Electrocatalytic oxidation of methanol over Pt/CeO2/CNTs catalysts",

abstract = "Pt/CeO2/CNTs catalysts were prepared by a microwave-assisted polyol approach in order to investigate the effect of the addition of CeO2 with different weight ratios to Pt/CNTs catalysts on electrochemical oxidation of methanol in alkaline solution. The X-ray diffraction (XRD) and transmission electron microscopy (TEM) results showed that the Pt particles were dispersed uniformly on the CeO2/CNTs supports and Pt particles were smaller. The cyclic voltammetry and chronoamperometry results indicated that the catalytic activity of Pt/CeO2/CNTs catalysts were superior to the Pt/CNTs ones for methanol oxidation in alkaline solution. It was found that the electrochemical active surface area and the peak current density of Pt/CeO2/CNTs catalyst with Pt to CeO2 weight ratio equals 1:0.5 were 76.3 m2·g-1 and 12.95 mA·cm-2, respectively. It exhibited the highest catalytic activity for methanol oxidation.The enhanced electro-chemical activity was attributed to the synergistic effect of Pt and CeO2.",

keywords = "CeO, Electrocatalytic oxidation, Methanol, Rare earths",

author = "Chuntao Liu and Yongrong Sun and Yu Gu and Kuo Wang and Chunyu Du",

year = "2011",

month = oct,

language = "英语",

volume = "29",

pages = "533--537",

journal = "Zhongguo Xitu Xuebao/Journal of the Chinese Rare Earth Society",

issn = "1000-4343",

publisher = "Editorial Office of Chinese Rare Earths",

number = "5",

}

TY - JOUR

T1 - Electrocatalytic oxidation of methanol over Pt/CeO2/CNTs catalysts

AU - Liu, Chuntao

AU - Sun, Yongrong

AU - Gu, Yu

AU - Wang, Kuo

AU - Du, Chunyu

PY - 2011/10

Y1 - 2011/10

N2 - Pt/CeO2/CNTs catalysts were prepared by a microwave-assisted polyol approach in order to investigate the effect of the addition of CeO2 with different weight ratios to Pt/CNTs catalysts on electrochemical oxidation of methanol in alkaline solution. The X-ray diffraction (XRD) and transmission electron microscopy (TEM) results showed that the Pt particles were dispersed uniformly on the CeO2/CNTs supports and Pt particles were smaller. The cyclic voltammetry and chronoamperometry results indicated that the catalytic activity of Pt/CeO2/CNTs catalysts were superior to the Pt/CNTs ones for methanol oxidation in alkaline solution. It was found that the electrochemical active surface area and the peak current density of Pt/CeO2/CNTs catalyst with Pt to CeO2 weight ratio equals 1:0.5 were 76.3 m2·g-1 and 12.95 mA·cm-2, respectively. It exhibited the highest catalytic activity for methanol oxidation.The enhanced electro-chemical activity was attributed to the synergistic effect of Pt and CeO2.

AB - Pt/CeO2/CNTs catalysts were prepared by a microwave-assisted polyol approach in order to investigate the effect of the addition of CeO2 with different weight ratios to Pt/CNTs catalysts on electrochemical oxidation of methanol in alkaline solution. The X-ray diffraction (XRD) and transmission electron microscopy (TEM) results showed that the Pt particles were dispersed uniformly on the CeO2/CNTs supports and Pt particles were smaller. The cyclic voltammetry and chronoamperometry results indicated that the catalytic activity of Pt/CeO2/CNTs catalysts were superior to the Pt/CNTs ones for methanol oxidation in alkaline solution. It was found that the electrochemical active surface area and the peak current density of Pt/CeO2/CNTs catalyst with Pt to CeO2 weight ratio equals 1:0.5 were 76.3 m2·g-1 and 12.95 mA·cm-2, respectively. It exhibited the highest catalytic activity for methanol oxidation.The enhanced electro-chemical activity was attributed to the synergistic effect of Pt and CeO2.

KW - CeO

KW - Electrocatalytic oxidation

KW - Methanol

KW - Rare earths

UR - https://www.scopus.com/pages/publications/82555187434

M3 - 文章

AN - SCOPUS:82555187434

SN - 1000-4343

VL - 29

SP - 533

EP - 537

JO - Zhongguo Xitu Xuebao/Journal of the Chinese Rare Earth Society

JF - Zhongguo Xitu Xuebao/Journal of the Chinese Rare Earth Society

IS - 5

ER -

Electrocatalytic oxidation of methanol over Pt/CeO₂/CNTs catalysts

Abstract

Keywords

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