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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
Source PublicationJOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
Volume165Issue:5Pages:E139-E147
AbstractOxygen 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.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1149/2.0351805jes
Indexed BySCI
Language英语
WOS KeywordWASTE-WATER ; AU ELECTRODE ; COAL ; ELECTROCHEMISTRY ; ELECTROCATALYSTS ; TEMPERATURES ; STABILITY ; MEMBRANE ; HYDROXYL ; RADICALS
WOS Research AreaElectrochemistry ; Materials Science
WOS SubjectElectrochemistry ; Materials Science, Coatings & Films
Funding OrganizationNatural Science Foundation of China(51474198 ; Youth Innovation Promotion Association, CAS(2015036) ; 51422405)
WOS IDWOS:000431803900084
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24437
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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