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Wang, R., Boutin, E., Barreau, N., Odobel, F., Bonin, J. & Robert, M. (2021) Carbon Dioxide Reduction to Methanol with a Molecular Cobalt-Catalyst-Loaded Porous Carbon Electrode Assisted by a CIGS Photovoltaic Cell**. Chemphotochem, n/a. 
Added by: Richard Baschera (2021-06-17 07:20:19)   Last edited by: Richard Baschera (2021-06-17 07:26:08)
Type de référence: Article
Numéro d'identification (ISBN etc.): 2367-0932
Clé BibTeX: Wang2021a
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Mots-clés: carbon dioxide reduction, Copper Indium Gallium Selenide, electrochemical catalysis, methanol, molecular supported catalysis
Créateurs: Barreau, Bonin, Boutin, Odobel, Robert, Wang
Collection: Chemphotochem
Consultations : 4/349
Indice de consultation : 9%
Indice de popularité : 2.25%
Liens URLs     https://chemistry- ... 002/cptc.202100035
Conversion of CO2 into valuable compounds, including fuels, with renewable energy sources and sustainable compounds is a challenge addressed by artificial photosynthesis research. In particular, the application of solar assisted electrochemical (EC) processes, in which electrons are furnished by a photovoltaic (PV) cell, is a promising approach. A PV-EC system is described, consisting of a CIGS (copper indium gallium selenide) PV unit linked to a carbon electrode loaded with cobalt phthalocyanine as molecular catalyst, able to achieve the CO2 reduction to CO and then to methanol in aqueous media with limited bias voltage. Using CO as starting material, a partial current density of ca. 0.6 mA cm−2 for methanol is obtained at a bias voltage corresponding to a low 240 mV overpotential. Remarkably, the liquid fuel production can be sustained for at least 7 h. Under ideal conditions, the CO2-to-CH3OH reaction shows a global Faradaic efficiency of 28 %.
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