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Citation: JI Yigang, YIN Yajing, GUO Qi, SI Nan, MA Juan, LU Tianhong. Preparation of Carbon Nanotubes Supported Pd-Au Catalyst and Their Electrocatalytic Activity for Formic Acid Oxidation[J]. Chinese Journal of Applied Chemistry, ;2014, 31(1): 69-75. doi: 10.3724/SP.J.1095.2014.30257 shu

Preparation of Carbon Nanotubes Supported Pd-Au Catalyst and Their Electrocatalytic Activity for Formic Acid Oxidation

JI Yigang ^a ,
YIN Yajing ^a ,
GUO Qi ^a ,
SI Nan ^a ,
MA Juan ^b,, ,
LU Tianhong ^c

1.
a Department of Chemistry, Jiangsu Second Normal University, Nanjing 210013, China;
2.
b Kunshan Drug Supervision and Inspection Institute, Kunshan 215300, China;
3.
c Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Material Science, Nanjing Normal University, Nanjing 210097, China

Corresponding author: MA Juan,
Received Date: 21 May 2013
Available Online: 3 July 2013
Fund Project: 江苏省高校自然科学基金(10KJD150007) (10KJD150007)江苏第二师范学院"十一五"规划课题(JSjy2008qz03)资助项目 (JSjy2008qz03)

Naphthalen-1-ylmethylphosphonic acid was modified on multiwall carbon nanotube(MWCNT) by the π-π stacking interaction.Then,the Pd catalyst was supported on it.Furthermore,the MWCNT supported Pd-Au(Pd-Au/MWCNT) catalyst was facially prepared by the replacement reaction between Pd nanoparticles and HAuCl₄.Transmission electron microscopy,X-ray diffraction and X-ray photoelectron spectroscopy measurements showed that non-alloyed Pd-Au nanoparticles were highly dispersed on the surface of MWCNT.Cyclic voltammetry and chronoamperometric measurements indicated that the Pd-Au/MWCNT catalyst exhibited better electrocatalytic activity and stability for formic acid oxidation than that of the Pd/MWCNT catalyst.
- direct formic acid fuel cells,
- carbon nanotubes,
- catalyst,
- formic acid oxidation
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