Electrocatalytic Performance of Carbon Supported Ir Catalysts with Different Ir Loadings for Ammonia Oxidation

Authors

Yu-zhi JIANG, Jiangsu Key Laboratory of Biofunctional Materials,School of Chemistry andEnvironmental Science,Nanjing Normal University,Nanjing 210097,China;
Qing-mei KONG, Jiangsu Key Laboratory of Biofunctional Materials,School of Chemistry andEnvironmental Science,Nanjing Normal University,Nanjing 210097,China;
Tian-hong LU, Jiangsu Key Laboratory of Biofunctional Materials,School of Chemistry andEnvironmental Science,Nanjing Normal University,Nanjing 210097,China;
Yi-ming ZHOU, Jiangsu Key Laboratory of Biofunctional Materials,School of Chemistry andEnvironmental Science,Nanjing Normal University,Nanjing 210097,China;
Ya-wen TANG, Jiangsu Key Laboratory of Biofunctional Materials,School of Chemistry andEnvironmental Science,Nanjing Normal University,Nanjing 210097,China;

Corresponding Author

Ya-wen TANG

Abstract

The electrocatalytic performance of the Ir/C catalyst as the anodic catalyst in the amperometric and electrochemical NH3 sensor was investigated.The experimental results illustrated that in the NaClO4 neutral electrolyte,the electrocatalytic performance of the Ir/C catalyst for the NH3 oxidation is related to the Ir loading in the Ir/C catalyst.Among the Ir/C catalysts with different Ir loading,the best electrocatalytic activity,stability and sensitivity were achieved by the Ir/C catalyst with 10% Ir loadings.In addition,the current densities of the NH3 oxidation at the Ir/C catalysts with the different Ir loadings were linearly proportional to the NH3 concentration.The Ir/C catalyst has a potential application in the amperometric and electrochemical NH3 sensor.

Keywords

Ir/C catalyst, ammonia oxidation, Ir loading, activity

DOI Link

https://doi.org/10.61558/2993-074X.2013

Publication Date

2009-11-28

Online Available Date

2009-11-28

Revised Date

2009-11-28

Received Date

2009-11-28

Recommended Citation

Yu-zhi JIANG, Qing-mei KONG, Tian-hong LU, Yi-ming ZHOU, Ya-wen TANG. Electrocatalytic Performance of Carbon Supported Ir Catalysts with Different Ir Loadings for Ammonia Oxidation[J]. Journal of Electrochemistry, 2009 , 15(4): 387-391.
DOI: 10.61558/2993-074X.2013
Available at: https://jelectrochem.xmu.edu.cn/journal/vol15/iss4/5