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Porous dendritic copper: an electrocatalyst for highly selective CO2 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 CO2 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 CO2 into formic acid, a product with a variety of uses. These results provide new directions for the further improvement of Cu electrodes.

SUBMITTER: Huan TN 

PROVIDER: S-EPMC5299793 | biostudies-other | 2017 Jan

REPOSITORIES: biostudies-other

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

Huan Tran Ngoc TN   Simon Philippe P   Rousse Gwenaëlle G   Génois Isabelle I   Artero Vincent V   Fontecave Marc M  

Chemical science 20160920 1


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<sub>2</sub> solubilization and activation, results in a remarkably efficient (large current densities at low overpotentials), stable and se  ...[more]

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