Metal-Carbon-CNF Composites Obtained by Catalytic Pyrolysis of Urban Plastic Residues as Electro-Catalysts for the Reduction of CO2
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Castelo-Quibén, Jesica; Elmouwahidi, Abdelhakim; Maldonado Hodar, Francisco José; Carrasco Marín, Francisco; Pérez Cadenas, Agustín FranciscoEditorial
MDPI
Materia
Carbon dioxide CO2 electro-reduction Metal-carbon-CNF composites Plastic waste Carbon-based electrodes Carbon nanofibers
Date
2018-05-09Referencia bibliográfica
Castelo-Quibén, J. [et al.]. Article Metal-Carbon-CNF Composites Obtained by Catalytic Pyrolysis of Urban Plastic Residues as Electro-Catalysts for the Reduction of CO2. Catalysts 2018, 8, 198; doi:10.3390/catal8050198.
Sponsorship
This research is supported by the FEDER and Spanish projects CTQ2013-44789-R (MINECO) and P12-RNM-2892 (Junta de Andalucía). J.C.-Q. is grateful to the Junta de Andalucía for her research contract (P12-RNM-2892). A.E. acknowledges a predoctoral fellowship from Erasmus Mundus, Al-Idrissi, programme.Abstract
Metal–carbon–carbon nanofibers composites obtained by catalytic pyrolysis of urban plastic
residues have been prepared using Fe, Co or Ni as pyrolitic catalysts. The composite materials have
been fully characterized from a textural and chemical point of view. The proportion of carbon
nanofibers and the final content of carbon phases depend on the used pyrolitic metal with Ni being
the most active pyrolitic catalysts. The composites show the electro-catalyst activity in the CO2
reduction to hydrocarbons, favoring all the formation of C1 to C4 hydrocarbons. The tendency
of this activity is in accordance with the apparent faradaic efficiencies and the linear sweep
voltammetries. The cobalt-based composite shows high selectivity to C3 hydrocarbons within
this group of compounds.
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