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学科主题: 物理化学
题名: Electrochemical Oxidation of Sulfur Dioxide on Nitrogen-Doped Graphite in Acidic Media
作者: Mu, Cong1, 2;  Hou, Ming1;  Xiao, Yu1;  Zhang, Hongjie1, 2;  Hong, Shaojing1, 2;  Shao, Zhigang1
通讯作者: 侯明 ;  邵志刚
关键词: Electrochemical oxidation ;  Sulfur dioxide ;  Nitrogen-doped graphite ;  Electrocatalyst ;  Rotating disk electrode
刊名: ELECTROCHIMICA ACTA
发表日期: 2015-07-20
DOI: 10.1016/j.electacta.2015.04.151
卷: 171, 期:1, 页:29-34
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: This work reports on the electrochemical oxidation of sulfur dioxide on nitrogen-doped graphite (NG) in acidic media. The NG samples were prepared via one-step pyrolysis of the mixtures of sugar and urea at 700-1000 degrees C in argon atmosphere. Mechanism analysis indicated that the electrochemical oxidation reaction of sulfur dioxide on NG was irreversible and diffusion controlled. Moreover, the influence of pyrolysis temperature on the electrocatalytic activity of NG was also investigated. The electrochemical measurement and physical characterization results revealed that elevating the pyrolysis temperature could enhance the electrocatalytic activity of NG, which might ascribe to the improved surface area, graphitization degree and electrical conductivity. (C) 2015 Published by Elsevier Ltd.
关键词[WOS]: OXYGEN REDUCTION REACTION ;  GOLD ELECTRODES ;  ELECTROCATALYTIC OXIDATION ;  HYDROGEN-PRODUCTION ;  ANODIC-OXIDATION ;  POROUS CARBON ;  AQUEOUS SO2 ;  ELECTROOXIDATION ;  SULFITE ;  ELECTROLYZER
语种: 英语
WOS记录号: WOS:000355636200005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143775
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Fuel Cells, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Mu, Cong,Hou, Ming,Xiao, Yu,et al. Electrochemical Oxidation of Sulfur Dioxide on Nitrogen-Doped Graphite in Acidic Media[J]. ELECTROCHIMICA ACTA,2015,171(1):29-34.
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