Oxygen Reduction Reaction from Water Electrolysis Intensified by Pressure and O-2(-) Oxidation Desulfurization
Zhang, Tong1,2; Hu, Yingnan1,2; Zhou, Yujian1; Gong, Xuzhong1,2; Wang, Zhi1; Zhang, Shu3; Wang, Mingyong4
2018
发表期刊JOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
卷号165期号:5页码:E139-E147
摘要Oxygen reduction reaction (ORR) not only needs the excellent electrode materials, but also requires quick mass transfer of dissolved oxygen. To strengthen the ORR and O-2(-) oxidation desulfurization, pressurized water electrolysis was carried out in this work. The results showed that the desulfurization ratio increased with increasing pressure, indicating that the pressure has strengthened the O-2(-) generation. As expected, the ORR initial potential shifted from -0.034 V to -0.030 V with increasing pressure from 0.1 Mpa to 2Mpa. The peak current, the limit current density and the peak integral area all increased with increasing pressure. On the other hand, the reduction in solution resistance (R-s) and reaction resistance (R-ct) further verified that the pressure can strengthen the transfer of dissolved oxygen and the ORR dynamics. More importantly, the pressure has improved O-2(-) generated potential in a large parameter window (the width of the metastable zone, the difference between the initial potential and the peak potential of the ORR). The pressure could enhance the O-2(-) formation, and improve the desulfurization process. (C) 2018 The Electrochemical Society.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1149/2.0351805jes
收录类别SCI
语种英语
关键词[WOS]WASTE-WATER ; AU ELECTRODE ; COAL ; ELECTROCHEMISTRY ; ELECTROCATALYSTS ; TEMPERATURES ; STABILITY ; MEMBRANE ; HYDROXYL ; RADICALS
WOS研究方向Electrochemistry ; Materials Science
WOS类目Electrochemistry ; Materials Science, Coatings & Films
项目资助者Natural Science Foundation of China(51474198 ; Youth Innovation Promotion Association, CAS(2015036) ; 51422405)
WOS记录号WOS:000431803900084
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24437
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Nanjing Forestry Univ, Dept New Energy Sci & Engn, Nanjing 210037, Jiangsu, Peoples R China
4.Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
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Zhang, Tong,Hu, Yingnan,Zhou, Yujian,et al. Oxygen Reduction Reaction from Water Electrolysis Intensified by Pressure and O-2(-) Oxidation Desulfurization[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2018,165(5):E139-E147.
APA Zhang, Tong.,Hu, Yingnan.,Zhou, Yujian.,Gong, Xuzhong.,Wang, Zhi.,...&Wang, Mingyong.(2018).Oxygen Reduction Reaction from Water Electrolysis Intensified by Pressure and O-2(-) Oxidation Desulfurization.JOURNAL OF THE ELECTROCHEMICAL SOCIETY,165(5),E139-E147.
MLA Zhang, Tong,et al."Oxygen Reduction Reaction from Water Electrolysis Intensified by Pressure and O-2(-) Oxidation Desulfurization".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 165.5(2018):E139-E147.
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