References of "Job, Nathalie"
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See detailResorcinol-formaldehyde carbon xerogels as lithium-ion battery anode materials: influence of porosity on capacity and cycling behaviour
Léonard, Alexandre ULg; Piedboeuf, Marie-Laure ULg; Khomenko, Volodymyr et al

in Fagadar-Cosma, Eugenia (Ed.) Insights into novel solid materials, their recyclability and integration into Li polymer batteries for EVs. Future research directions in this field.:Book of abstracts (2012, July)

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See detailLife cycle assessment of carbon xerogels
Melon, Raphaëlle ULg; Renzoni, Roberto ULg; Léonard, Alexandre ULg et al

in Fagadar-Cosma, Eugenia (Ed.) Book of abstracts - Advanced Workshop - Insights into novel solid materials, their recyclability and integration into Li polymer batteries for EVs (2012, July)

In the framework of the SOMABAT European project, a life cycle assessment applied to the production of 1 kg of carbon xerogels was carried out by comparing three drying technologies (vacuum, microwave and ... [more ▼]

In the framework of the SOMABAT European project, a life cycle assessment applied to the production of 1 kg of carbon xerogels was carried out by comparing three drying technologies (vacuum, microwave and convective drying). These carbon materials with controlled texture are thought to be used as active material at the anode side of Li-polymer battery. [less ▲]

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See detailContinuous synthesis of porous carbon xerogel beads.
Eskenazi, David ULg; Kreit, Patrick ULg; Compère, Philippe ULg et al

in Proceedings of the International Carbon Conference 2012 (2012, June 17)

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See detailDépôt de nanoparticules par voie humide
Job, Nathalie ULg

Conference (2012, June 10)

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See detailComment diminuer la quantité de platine dans les piles à combustible ?
Laurent-Brocq, M.; Caldarella, Giuseppe ULg; Job, Nathalie ULg et al

Poster (2012, May 20)

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See detailResorcinol-formaldehyde carbon xerogels as lithium-ion battery anode materials: influence of porosity on capacity and cycling behaviour
Léonard, Alexandre ULg; Piedboeuf, Marie-Laure ULg; Khomenko, Volodymyr et al

in Proceedings of the International Carbon Conference 2012 (2012)

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See detailInfluence of the carbon texture of platinum/carbon aerogel electrocatalysts on their behaviour in a Proton Exchange Membrane Fuel Cell cathode
Ouattara-Brigaudet, M.; Berthon-Fabry, S.; Beauger, C. et al

in International Journal of Hydrogen Energy (2012), 37

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See detailUse of X-ray microtomography to study the homogeneity of carbon nanotube aqueous suspensions and carbon nanotube/polymer composites
Haghgoo, M.; Plougonven, Erwan ULg; Yousefi, Ali Akbar et al

in Carbon (2012), 50(4), 1703-1706

X-ray microtomography was used to study the stability and homogeneity of concentrated carbon nanotube (CNT) aqueous suspensions and CNT/resorcinol–formaldehyde gel composites. Various CNT distribution ... [more ▼]

X-ray microtomography was used to study the stability and homogeneity of concentrated carbon nanotube (CNT) aqueous suspensions and CNT/resorcinol–formaldehyde gel composites. Various CNT distribution states were achieved by modifying the CNT concentration, sonication time and resting time. X-ray microtomography is able to discriminate between zones with different CNT concentration levels and can be used as a non-destructive and fast tool to characterize the homogeneity of suspensions and composite systems at the micron scale. [less ▲]

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See detailCatalysts - special issue 'Aerogel catalysts'
Job, Nathalie ULg; Ioannides, Theophilos

Book published by MDPI (2012)

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See detailEffect of CO2 activation of carbon xerogels on the adsorption of methylene blue
Páez Martínez, Carlos ULg; Contreras, M. S.; Léonard, Angélique ULg et al

in Adsorption (2012), 18(3-4), 199-211

The effect of physical activation with CO2 of carbon xerogels, synthesized by pyrolysis of a resorcinolformaldehyde aqueous gel, on the adsorption capacities of Methylene Blue (MB) was studied. The ... [more ▼]

The effect of physical activation with CO2 of carbon xerogels, synthesized by pyrolysis of a resorcinolformaldehyde aqueous gel, on the adsorption capacities of Methylene Blue (MB) was studied. The activation with CO2 lead to carbon materials with micropore volumes ranging from 0.28 to 0.98 cm³/g -1 C. MB-adsorption isotherm studies showed that the increase of micropore volume and corresponding surface area led to: (i) a significant improvement in the capacity of MB-adsorption at monolayer coverage, from 212 to 714 mgg -1 C, and (ii) an increase of the binding energy related to Langmuir isotherm constant up to 45 times greater than those of commercial microporous activated carbons used as reference (NORIT R2030, CALGON BPL and CALGON NC35). It is proposed that the increase of the binding energy results from chemical cleaning of the O-groups onto carbon surface as a consequence of CO2-activation, increasing the π-π interaction between MB and graphene layers of the carbon xerogels. Finally, a series of batch kinetics were performed to investigate the effect of CO2-activation conditions on the mechanism of MB-adsorption. Experimental data were fitted using pseudo-first-order, pseudo-second-order and intraparticle diffusion kinetic models. From pseudo-second-order kinetic model, one observes an increase in the initial rate of MB-adsorption from 0.019 to 0.0565 min -1, by increasing the specific surface area from 630 to 2180 m²/g -1 C via CO2-activation. Depending on the activation degree of the carbons, two different mechanisms control the MB-adsorption rate: (i) at low activation degree, the intraparticle diffusion is the rate-limiting phenomenon, whereas (ii) at high activation degree, the reactions occurring at the solid/liquid interface are the rate-limiting steps. © 2012 Springer Science+Business Media, LLC. [less ▲]

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See detailAdsorption of methylene blue on activated carbon xerogels
Páez Martínez, Carlos ULg; Contreras, Maria Soledad; Léonard, Angélique ULg et al

Poster (2011, November 30)

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See detailLife cycle assessment of carbon xerogels
Melon, Raphaëlle ULg; Renzoni, Roberto ULg; Léonard, Alexandre ULg et al

Poster (2011, November 03)

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See detailKinetics and diffusional limitations in nanostructured heterogeneous catalyst with controlled pore texture
Pirard, Sophie ULg; Hermans, Sophie; Devillers, Michel et al

Poster (2011, September)

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See detailPt/carbon xerogel catalysts for PEM fuel cells
Job, Nathalie ULg; Maillard, F.; Pirard, Jean-Paul ULg et al

in Proceedings of the Fundamentals & Developments of Fuel Cells (FDFC) 2011 Conference (2011, January 19)

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