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

被引：9
作者：
Qin, Haiying [1 ]
Wang, Juan [2 ]
Liu, Jiabin [3 ]
He, Yan [1 ]
Li, Zhoupeng [4 ]
Yan, Shuai [2 ]
Li, Aiguo [2 ]
Yu, Xiaohan [2 ]
机构：
[1] Hangzhou Dianzi Univ, Coll Mat & Environm Engn, Hangzhou 310018, Zhejiang, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Appl Phys, SSRF, Shanghai 201800, Peoples R China
[3] Zhejiang Univ, Inst Appl Mech, Hangzhou 310027, Zhejiang, Peoples R China
[4] Zhejiang Univ, Dept Chem & Biochem Engn, Hangzhou 310027, Zhejiang, Peoples R China
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2013年 / 15卷 / 23期
基金：
中国国家自然科学基金;
关键词：
NITROGEN THIN-FILMS; ALKALINE MEDIA; ELECTROCATALYSTS; PHTHALOCYANINE; PARTICLES; OXIDE; IRON;
D O I：
10.1039/c3cp50706h
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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.
引用
收藏
页码：9070 / 9074
页数：5
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