From Forgotten Formula to Climate Game Changer: A New Tool for Converting Carbon Dioxide — Scientists from Cornell Un |
Scientists at Cornell University have re-purposed the 120-year-old Cottrell equation to understand the reactions carbon dioxide undergoes when subjected to electrochemistry, with the goal of converting the gas into useful products. The researchers believe that the classic equation can help electrochemists control the reactions to create desirable products like ethylene, ethane, or ethanol, effectively transforming an environmental issue into a renewable resource.
The electrochemical reduction of carbon dioxide presents an opportunity to transform the gas from an environmental liability to a feedstock for chemical products or as a medium to store renewable electricity in the form of chemical bonds, as nature does.
The equation enables a researcher to identify and control experimental parameters to take carbon dioxide and convert it into useful carbon products like ethylene, ethane, or ethanol. “The magnificence of this old equation is that there are very few assumptions,” Hanrath said. “If you put in experimental data, you get a better sense of truth. It’s an old classic. That’s the part that I thought was beautiful.”
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