43 résultats : ENERGY

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43 résultats
page 4 sur 5
résultats 31 à 40
Canal-U
Beatriz Avila - CO2 electroreduction to formate on Sn, Bi and Sb nanostructured electrodes: from fundamental studies to practical devices
Description : The electrochemical reduction of CO2 into chemical products of interest has been considered as an interesting route not only to mitigate climate change but also to store renewable energy in the form of value-added chemicals. Among other possible chemicals, formic acid (HCOOH) or formate (HCOO?) ...
Mots clés : Solar driven energy conversion, Photoelectrochemical water splitting, Green processes for H2 production
Date : 15-06-2021
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Beatriz Avila - CO2 electroreduction to formate on Sn, Bi and Sb nanostructured electrodes: from fundamental studies to practical devices
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Canal-U
Joaquim Faria - Carbon geometries as the base concept for developing efficient photocatalysts
Description : During the past several decades' new carbon allotropes have been accounted for and synthesised. Many notable breakthroughs include exciting works on synthesis, functionalisation, characterisation and applications of carbon nanotubes, graphene, and graphene-like structures, like graphitic carbon ...
Mots clés : Solar driven energy conversion, Photoelectrochemical water splitting, Green processes for H2 production
Date : 15-06-2021
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Joaquim Faria - Carbon geometries as the base concept for developing efficient photocatalysts
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Canal-U
Carlos Sanchez - Electrolyte engineering for electrochemical CO2 reduction
Description : Ionic liquids (ILs) in electrocatalysis have attracted a lot of attention from the seminal work of Rosen et al. [1] where they achieved a relevant overpotential decrease for CO2 reduction reaction (CO2RR) on a silver electrode. Moreover, ILs have been proposed as organic promoters for enhancing ...
Mots clés : Solar driven energy conversion, Photoelectrochemical water splitting, Green processes for H2 production
Date : 15-06-2021
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Carlos Sanchez - Electrolyte engineering for electrochemical CO2 reduction
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Canal-U
Christel Laberty-Robert - Impact of Electrodes Nanostructuration on Photoelectrochemical Performances
Description : Hydrogen is presented by some industrialists and managers as a potential pillar of the ecological transition, particularly in the context of transport (hydrogen-powered cars, hydrogen-powered trains, hydrogen-powered airplanes, etc.), the storage of energy from intermittent renewable sources or ...
Mots clés : Solar driven energy conversion, Photoelectrochemical water splitting, Green processes for H2 production
Date : 16-06-2021
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Christel Laberty-Robert - Impact of Electrodes Nanostructuration on Photoelectrochemical Performances
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Canal-U
José Solla-Gullon - Recent advances and remaining challenges on the use of shape-controlled-metal nanoparticles in Electrocatalysis
Description : The incorporation of shape-controlled metal nanoparticles in Electrocatalysis is contributing significantly to a better understanding of the correlations between surface structure and electrochemical reactivity at the nanoscale [1,2]. In this communication, some of the basic requirements to properly ...
Mots clés : Solar driven energy conversion, Photoelectrochemical water splitting, Green processes for H2 production
Date : 16-06-2021
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José Solla-Gullon - Recent advances and remaining challenges on the use of shape-controlled-metal nanoparticles in Electrocatalysis
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Canal-U
Alejandro Anson-Casaos - Photoelectrochemical characterization of C/TiO2 and C/ZnO nanomaterials in aqueous electrolyte
Description : Carbon nanostructures, including single-walled carbon nanotubes, reduced graphene oxide, and carbon dots, are inserted in TiO2 and ZnO photoanodes with the aim of improving their activity. For the electrode assembly, TiO2 or ZnO nanoparticles, as well as carbon nanomaterials, are dispersed in a ...
Mots clés : Solar driven energy conversion, Photoelectrochemical water splitting, Green processes for H2 production
Date : 16-06-2021
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Alejandro Anson-Casaos - Photoelectrochemical characterization of C/TiO2 and C/ZnO nanomaterials in aqueous electrolyte
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Canal-U
Giuseppe Marci - Photocatalytic reduction of CO2 in gas-solid and in liquid-solid regimes
Description : The increasing CO2 level in the atmosphere is a global environmental problem; therefore, the development of efficient catalytic processes for CO2 reduction is a challenge. Heterogeneous photo-catalysis is an attractive technology for this purpose. Literature reports that formic acid, methanale, ...
Mots clés : Solar driven energy conversion, Photoelectrochemical water splitting, Green processes for H2 production
Date : 16-06-2021
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Giuseppe Marci - Photocatalytic reduction of CO2 in gas-solid and in liquid-solid regimes
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Canal-U
Ally Aukaloo - From molecular to nanostructured materials for artificial photosynthesis
Description : Inspired by chemical subtleties at the active sites of enzymes dealing with the CO2 management in our biosphere, we will discuss on how hydrogen bonding and electrostatic effects may thrive the catalytic power molecular catalysts.[1] Photosystem II is the only enzyme that can capture sunlight to ...
Mots clés : Solar driven energy conversion, Photoelectrochemical water splitting, Green processes for H2 production
Date : 16-06-2021
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Ally Aukaloo - From molecular to nanostructured materials for artificial photosynthesis
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Canal-U
Olivier Joubert - Brief Overview of Current French Hydrogen Research Activities, Focus on Materials
Description : Twenty years ago, the French scientific community working in the field of hydrogen, started to federate under the leadership of the CNRS. It took the form of successive Research Grouping (GdR) bringing together experts in solid oxide fuel cell (SOFC), proton exchange polymer membrane (PEMFC) fuel ...
Mots clés : Solar driven energy conversion, Photoelectrochemical water splitting, Green processes for H2 production
Date : 17-06-2021
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Olivier Joubert - Brief Overview of Current French Hydrogen Research Activities, Focus on Materials
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Canal-U
Pascal Brault - Reactive molecular dynamics simulations of H2 production and conversion
Description : Since H2 production and conversion efficiencies can be improved and monitored at the molecular scale, reactive molecular dynamics simulations (rMDS) are expected to be of great promise for understanding associated basic mechanisms. Basically, rMDS is a technique aiming at solving full trajectories ...
Mots clés : Solar driven energy conversion, Photoelectrochemical water splitting, Green processes for H2 production
Date : 17-06-2021
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Pascal Brault - Reactive molecular dynamics simulations of H2 production and conversion
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