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Porous dendritic copper: an electrocatalyst for highly selective CO 2 reduction to formate in water/ ionic liquid electrolyte

Abstract : Copper is currently extensively studied because it provides promising electrodes for carbon dioxide electroreduction. The original combination, reported here, of a nanostructured porous dendritic Cu-based material, characterized by electron microcopy (SEM, TEM) and X-ray diffraction methods, and a water/ionic liquid mixture as the solvent, contributing to CO 2 solubilization and activation, results in a remarkably efficient (large current densities at low overpotentials), stable and selective (large faradic yields) electrocatalytic system for the conversion of CO 2 into formic acid, a product with a variety of uses. These results provide new directions for the further improvement of Cu electrodes.
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Submitted on : Wednesday, September 21, 2016 - 12:17:16 PM
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Tran Ngoc Huan, Philippe Simon, Gwenaëlle Rousse, Isabelle Génois, Vincent Artero, et al.. Porous dendritic copper: an electrocatalyst for highly selective CO 2 reduction to formate in water/ ionic liquid electrolyte. Chemical Science , The Royal Society of Chemistry, 2016, 8, pp.742-747. ⟨10.1039/c6sc03194c⟩. ⟨hal-01369642⟩

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