Roles of Ultrasound on Hydroxyl Radical Generation and Bauxite Desulfurization from Water Electrolysis
Hu, Yingnan1,2; Zhang, Tong1,2; Gong, Xuzhong1,2; Wang, Zhi1; Wang, Mingyong1,3; Zhang, Shu4
2018
发表期刊JOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
卷号165期号:5页码:E177-E183
摘要Roles of ultrasound on the hydroxyl radical generation from water electrolysis were examined in this work. Results indicated that the ultrasound could not only strengthen the mass transfer of liquid phase, but also could improve the electron gain and loss for hydroxyl ion, and thus improve the hydroxyl radical generation. Results from ESR signal indicated that, ultrasonic strengthened hydroxyl radical formation from water electrolysis in whatever in alkaline or acidic solution. Ultrasound improved the equilibrium potential and current of OER, indicating that ultrasound inhibited the thermodynamics conditions in OER. Ultrasound inhibited the oxygen gas release, and thus resulting in the increase in the amount of hydroxyl radicals. The R-ct of OER increased with ultrasound addition, while the R-s for water electrolysis decreased. Whatever platinum (Pt) or nickel (Ni) electrode, bauxite electrolysis desulfurization all were improved by ultrasound, and the desulfurization of Ni under ultrasound was higher than Pt without ultrasound. That is, electrolysis desulfurization with Ni electrode in presence of ultrasound could replace electrolysis desulfurization with Pt electrode in absence of ultrasound. (C) 2018 The Electrochemical Society.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1149/2.0701805jes
收录类别SCI
语种英语
关键词[WOS]OXYGEN REDUCTION REACTION ; DOPED DIAMOND ELECTRODES ; P-SUBSTITUTED PHENOLS ; ELECTROCHEMICAL OXIDATION ; CAVITATION BUBBLES ; ANODIC-OXIDATION ; DEGRADATION ; PRESSURE ; TEMPERATURE ; SOLUBILITY
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 ; 51422405)
WOS记录号WOS:000431803900088
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24438
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.Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
4.Nanjing Forestry Univ, Coll Mat Sci & Engn, Nanjing 210037, Jiangsu, Peoples R China
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Hu, Yingnan,Zhang, Tong,Gong, Xuzhong,et al. Roles of Ultrasound on Hydroxyl Radical Generation and Bauxite Desulfurization from Water Electrolysis[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2018,165(5):E177-E183.
APA Hu, Yingnan,Zhang, Tong,Gong, Xuzhong,Wang, Zhi,Wang, Mingyong,&Zhang, Shu.(2018).Roles of Ultrasound on Hydroxyl Radical Generation and Bauxite Desulfurization from Water Electrolysis.JOURNAL OF THE ELECTROCHEMICAL SOCIETY,165(5),E177-E183.
MLA Hu, Yingnan,et al."Roles of Ultrasound on Hydroxyl Radical Generation and Bauxite Desulfurization from Water Electrolysis".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 165.5(2018):E177-E183.
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