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Effect of anode composition on the electrochemical properties of the direct hydrazine fuel cell
Ye Liqiang,Li Zhoupeng * #
Department of Chemical Engineering & Biochemical Engineering, Zhejiang University
*Correspondence author
#Submitted by
Subject:
Funding: National Natural Science Foundation （No.No.20976156）, 863 program grant （No.No.2007AA05Z144）, Doctoral foundation （No.No.20070335003）
Opened online:12 June 2010
Accepted by: none
Citation: Ye Liqiang,Li Zhoupeng.Effect of anode composition on the electrochemical properties of the direct hydrazine fuel cell[OL]. [12 June 2010] http://en.paper.edu.cn/en_releasepaper/content/4375570
 
 
A composite catalyst has been prepared by mixing Ni powder, surface-treated Zr-Ni alloy and Pd/C and used as the anode catalyst in the direct hydrazine fuel cell (DHFC). The catalytic activity of these catalysts is evaluated by linear potential sweep, electrochemical impedance spectra (EIS) analysis, polarization measurement. A maximum power density of 106 mW cm-2 has been achieved by using the composite catalyst as the anode catalyst and Pt/C as the cathode catalyst at 0.407 V under ambient conditions. It is found that the composite catalyst shows lower polarization than other catalysts. Results from linear potential sweep and EIS confirm that the cell performance is determined by the anode electrocatalysis towards the oxidation of hydrazine.
Keywords:Direct hydrazine fuel cell;anode composition;polarization;reaction impedance;performance
 
 
 

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