Volume 91 Issue 10 | p. 29 | Concentrates
Issue Date: March 11, 2013

How Carbon Dioxide Is Reduced By Pt And Pyridine

Study identifies role of pyridinium ions and hydride- and electron-transfer steps in electrochemical reduction of carbon dioxide to small molecules
Department: Science & Technology
Keywords: carbon dioxide, carbon dioxide reduction, CO2, electrochemical conversion, electrocatalysis

One strategy to reduce global CO2 emissions calls for capturing the greenhouse gas and converting it electrochemically to fuels and chemicals. Scientists working toward that goal recently found that CO2 can be converted with little energy input to formic acid, formaldehyde, and methanol on a platinum electrode in an acidic solution of pyridine. Yet a detailed understanding of the reaction mechanism, which could hasten progress in that area, remained elusive. Mehmed Z. Ertem of Brookhaven . . .

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