Issue 23, 2013
From the journal:

Physical Chemistry Chemical Physics

In situ study of the catalytic mechanism for the oxygen reduction reaction on a polypyrrole modified carbon supported cobalt hydroxide cathode in direct borohydride fuel cells

Haiying Qin,*a   Juan Wang,b   Jiabin Liu,c   Yan He,*a   Zhoupeng Li,d   Shuai Yan,b   Aiguo Lib  and  Xiaohan Yub  

* Corresponding authors

a College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, P.R. China
E-mail: hyqin@hdu.edu.cn
Tel: +86-571-8687-8609

b Shanghai Synchrotron Radiation Facility (SSRF), Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, P.R. China
E-mail: heyan@sinap.ac.cn

c Institute of Applied Mechanics, Zhejiang University, Hangzhou, P.R. China

d Department of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou, P.R. China

Abstract

An in situ test method has been developed to study the Co(OH)2-PPy-BP cathode status during DBFC operation. It is found that some Co2+ ions are oxidized to Co3+ present in CoOOH during cell operation. A mechanism for the oxygen reduction reaction on the Co(OH)2-PPy-BP cathode in alkaline media has been proposed.

Graphical abstract: In situ study of the catalytic mechanism for the oxygen reduction reaction on a polypyrrole modified carbon supported cobalt hydroxide cathode in direct borohydride fuel cells

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Article information

DOI
https://doi.org/10.1039/C3CP50706H
Article type
Communication
Submitted
15 Feb 2013
Accepted
26 Apr 2013
First published
26 Apr 2013

Phys. Chem. Chem. Phys., 2013,15, 9070-9074

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In situ study of the catalytic mechanism for the oxygen reduction reaction on a polypyrrole modified carbon supported cobalt hydroxide cathode in direct borohydride fuel cells

H. Qin, J. Wang, J. Liu, Y. He, Z. Li, S. Yan, A. Li and X. Yu, Phys. Chem. Chem. Phys., 2013, 15, 9070 DOI: 10.1039/C3CP50706H

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