Investigation of an Anode Catalyst for a Direct Dimethyl Ether Fuel Cell

被引：21

作者：

Cai, Ke-Di ^{[1
]}

Yin, Ge-Ping ^{[1
]}

Wang, Jia-Jun ^{[1
]}

Lu, Lei-Lei ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Chem Engn & Technol, Harbin 150001, Peoples R China

来源：

ENERGY & FUELS | 2009年 / 23卷 / 1-2期

关键词：

MULTIWALLED CARBON NANOTUBES; PLATINUM; ELECTROCATALYSTS; ELECTROOXIDATION; PERFORMANCE; NANOPARTICLES; DEPOSITION; MECHANISM; SUPPORT; BLACKS;

D O I：

10.1021/ef8005965

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In this work, we compared investigation of Pt/multiwalled carbon nanotubes (MWNTs) and Pt/Vulcan XC-72 anode catalysts for direct dimethyl ether fuel cells (DDFC). The homemade catalysts were characterized using a transmission electron micrograph (TEM) and X-ray diffraction (XRD). The cyclic voltammogram analyses revealed that the Pt/MWNTs showed a higher catalytic activity for dimethyl ether electro-oxidation, compared with the Pt/Vulcan XC-72 catalyst. The membrane electrode assembly (MEA) with the Pt/MWNTs anode catalyst presented the maximum power density of 38.4 mW cm(-2), which was higher than that with the Pt/Vulcan XC-72 one (32.4 mW cm(-2)). Moreover, the performance decay rate of the MEA with Pt/MWNTs was lower than that with Pt/Vulcan XC-72 (after a 56 h test). It indicated that the Pt/MWNTs can be expected to be a more suitable catalyst for the DDFC.

引用

页码：903 / 907

页数：5

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