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Written by AZoCleantechJan 12 2021 For several years, scientists have taken efforts to convert the surplus atmospheric carbon dioxide into new fuels, chemicals, and other products conventionally made from hydrocarbons harnessed from fossil fuels. Illinois researchers Andrew Gewirth, left, and Stephanie Chen designed a new copper-polymer electrode that can help recycle excess CO 2 into ethylene, a useful carbon-based chemical that can be used as fuel. Image Credit: L. Brian Stauffer. The recent drive to tackle the climatic impacts of greenhouse gases in the air has urged chemists to discover the most efficient way possible. A new study has come up with an electrochemical reaction, improved by polymers, to enhance the conversion efficiency of CO ....
By Molly Burgess2021-01-12T15:30:00+00:00 A new study has introduced an electrochemical reaction, enhanced by polymers, to improve CO2-to-ethylene conversion efficiency. Led by the University of Illinois Urbana-Champaign Chemistry Progressor Andrew Gewirth and Graduate Student Xinyi Chen, the study reports that by allowing CO2 to flow through a reaction chamber fitter with copper electrodes and an electrolyte solution is the most common method researchers use to convert CO2 to useful carbon-containing chemicals. “Copper metal is highly selective toward the type of carbon that forms ethylene. Different electrode materials will produce different chemicals like carbon monoxide instead of ethylene, or a mix of other carbon chemicals. What we have done in this study is to design a new kind of copper electrode that produces almost entirely ethylene,” Gewirth said. ....
For years, researchers have worked to repurpose excess atmospheric carbon dioxide into new chemicals, fuels and other products traditionally made from hydrocarbons harvested from fossil fuels. The recent push to mitigate the climactic effects of greenhouse gases in the atmosphere has chemists on their toes to find the most efficient means possible. A new study introduces an electrochemical reaction, enhanced by polymers, to improve CO2-to-ethylene conversion efficiency over previous attempts. ....