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Citation: SUN Fang, WU Bing, LI Gui-Chun, GAO Ying, LU Tian-Hong, LIU Chang-Peng, XING Wei. A Simple Treatment Method for Increasing the Electrocatalytic Activity of Pt/C Electrode[J]. Chinese Journal of Applied Chemistry, ;2006, 23(4): 429-431. shu

A Simple Treatment Method for Increasing the Electrocatalytic Activity of Pt/C Electrode

SUN Fang ^a ,
WU Bing ^a ,
LI Gui-Chun ^a ,
GAO Ying ^a,b,, ,
LU Tian-Hong ^b,c ,
LIU Chang-Peng ^b ,
XING Wei ^b

1.
a Department of Chemistry, Harbin Normal University, Harbin 150080;
2.
b Changchun Institute of Applied Chemistry, Chinese Accadmy of Sciences, Changchun 130022;
3.
c College of Chemistry and Environmental Science, Nanjing Normal University, Nanjing

Corresponding author: GAO Ying,
Received Date: 19 May 2005
Available Online: 23 August 2005
Fund Project: 国家科技部"九七三"基金(G2000026408) (G2000026408)"八六三"(2003AA517062) (2003AA517062)国家自然科学基金(20573029、20433060) (20573029、20433060)黑龙江省教育厅基金(10531082) (10531082)江苏省科技厅高新技术基金(BG200302) (BG200302)江苏省教育厅高新技术产业化基金(JH02-080) (JH02-080)

After the Pt/C electrode is treated with a mixed solvent of tetrahydrofuran and acetone,its electrocatalytic activity for ethanol oxidation is significantly increased.The main reason is that the treatment can remove the impurities,such as the surfactant introduced during the preparation of the Pt/C electrode,change the surface structure of the electrode to a certain extent and increase the exposed surface area of Pt.In addition,the treatment of the Pt/C electrode can decrease the adsorption strength of CO,the intermediate of the ethanol oxidation,and hence decrease the poisoning effect of the adsorbed CO on the Pt/C electrode.The treatment method is simple and effective,and may be used in the preparation of DMFC.
- direct methanol fuel cell,
- Pt,
- ethanol,
- CO,
- acetone,
- tetrahydrofuran
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