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Vol. 26 No. 9 (2014): Vol 26 Issue 9

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A Non-Noble Metal Electrocatalyst for Oxygen Reduction Reaction Using Egg-White Protein as Nitrogen Source

https://doi.org/10.14233/ajchem.2014.15701
Ping Liu
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P.R. China
Changguo Chen
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P.R. China
Chaozhong Guo
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P.R. China ;Research Institute for New Material Technology, Chongqing University of Arts and Sciences, Yongchuan 402160, P.R. China
Mo Du
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P.R. China
Huijuan Wu
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P.R. China
Wei Yin
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P.R. China

Corresponding Author(s) : Changguo Chen

cgchen@cqu.edu.cn

Asian Journal of Chemistry, Vol. 26 No. 9 (2014): Vol 26 Issue 9

Abstract

Egg-white protein as one of native proteins contains abundant nitrogen and can be obtained with abundant and inexpensive. Herein, we reported that a novel non-noble metal electrocatalyst for oxygen reduction reaction (ORR) was fabricated by thermal treatment of the precursor (including egg-white protein as the direct nitrogen source, FeCl3·6H2O as the metal source and pretreated carbon black as the support) under an inert atmosphere. The voltammetric methods were used to evaluate the oxygen reduction reaction catalytic activity, stability and methanol-tolerant performance of the catalyst. The structural property of the catalyst was also investigated by X-ray diffraction. The results show that the catalyst achieved at 800 ºC has good activity, high methanol-tolerant and long-term stability. The metal content in this catalyst plays a critical role in improving the oxygen reduction reaction activity. An important finding is the Fe and its oxides are not the catalytically active sites for the oxygen reduction reaction, and their existence may facilitate the formation of the oxygen reduction reaction-active sites only. Besides, the activated amorphous-carbon is also found.

Keywords

Oxygen reduction Electrocatalyst Egg-white protein Nitrogen source
Liu, P., Chen, C., Guo, C., Du, M., Wu, H., & Yin, W. (2014). A Non-Noble Metal Electrocatalyst for Oxygen Reduction Reaction Using Egg-White Protein as Nitrogen Source. Asian Journal of Chemistry, 26(9), 2523–2526. https://doi.org/10.14233/ajchem.2014.15701
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