气候变化领域集成服务门户(CCPortal): Chloride-mediated selective electrosynthesis of ethylene and propylene oxides at high current density

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DOI	10.1126/science.aaz8459
	Chloride-mediated selective electrosynthesis of ethylene and propylene oxides at high current density
	Leow W.R.; Lum Y.; Ozden A.; Wang Y.; Nam D.-H.; Chen B.; Wicks J.; Zhuang T.-T.; Li F.; Sinton D.; Sargent E.H.
发表日期	2020
ISSN	0036-8075
起始页码	1228
结束页码	1233
卷号	368 期号:6496
英文摘要	Chemicals manufacturing consumes large amounts of energy and is responsible for a substantial portion of global carbon emissions. Electrochemical systems that produce the desired compounds by using renewable electricity offer a route to lower carbon emissions in the chemicals sector. Ethylene oxide is among the world's most abundantly produced commodity chemicals because of its importance in the plastics industry, notably for manufacturing polyesters and polyethylene terephthalates. We applied an extended heterogeneous:homogeneous interface, using chloride as a redox mediator at the anode, to facilitate the selective partial oxidation of ethylene to ethylene oxide. We achieved current densities of 1 ampere per square centimeter, Faradaic efficiencies of ~70%, and product specificities of ~97%. When run at 300 milliamperes per square centimeter for 100 hours, the system maintained a 71(±1)% Faradaic efficiency throughout. © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works
英文关键词	carbon dioxide; chloride; ethylene oxide; propylene oxide; alternative energy; chloride; electrochemical method; electrochemistry; ethylene; manufacturing; oxidation; oxide; plastic; polymer; Article; carbon nuclear magnetic resonance; chemical analysis; chemical reaction; chemical structure; combustion; concentration (parameter); current density; electrochemistry; electrosynthesis; gas chromatography; molecular evolution; oxidation; oxidation reduction reaction; priority journal; proton nuclear magnetic resonance; synthesis
语种	英语
来源期刊	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/244500
作者单位	Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, ON M5S 1A4, Canada; Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore, 138634, Singapore; Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON M5S 3G8, Canada
推荐引用方式 GB/T 7714	Leow W.R.,Lum Y.,Ozden A.,et al. Chloride-mediated selective electrosynthesis of ethylene and propylene oxides at high current density[J],2020,368(6496).
APA	Leow W.R..,Lum Y..,Ozden A..,Wang Y..,Nam D.-H..,...&Sargent E.H..(2020).Chloride-mediated selective electrosynthesis of ethylene and propylene oxides at high current density.Science,368(6496).
MLA	Leow W.R.,et al."Chloride-mediated selective electrosynthesis of ethylene and propylene oxides at high current density".Science 368.6496(2020).