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dc.contributor.authorBraghiroli, Flavia L.-
dc.contributor.authorFierro, Vanessa-
dc.contributor.authorIzquierdo Pantoja, María Teresa-
dc.contributor.authorParmentier, Julien-
dc.contributor.authorPizzi, Antonio-
dc.contributor.authorDelmotte, Luc-
dc.contributor.authorFioux, Philippe-
dc.contributor.authorCelzard, Alain-
dc.identifier.citationIndustrial Crops and Products 66 : 282-290 (2015)es_ES
dc.description.abstractNitrogen-doped carbon materials (NCMs) were obtained by amination of tannin by hydrothermal carbonisation (HTC). NCMs presented different morphologies depending on the amination method: (i) powders by HTC of tannin in a concentrated aqueous ammonia solution; (ii) gels without using any crosslinker by HTC in distilled water of tannin first dissolved in concentrated ammonia and then evaporated. Whatever the method, (i) or (ii), HTC was carried out at different temperatures: 180, 190, 200, 210 or 220°C, with further pyrolysis at 900°C under nitrogen. The morphology and chemical composition of the resultant materials were discussed. We compared our results with those reported in the open literature and we concluded that HTC of tannin in a concentrated aqueous ammonia solution allowed obtaining outstanding materials because they have both surface areas, higher than 500 m2 g-1, and high N content, around 8 wt.%.es_ES
dc.description.sponsorshipThe present research was partly made possible by the support of the Region Lorraine and UHP through the programme „Jeunes chercheurs‟. The French authors from laboratories hosted by ENSTIB also gratefully acknowledge the financial support of the CPER 2007-2013 “Structuration du Pôle de Compétitivité Fibres Grand‟Est” (Competitiveness Fibre Cluster), through local (Conseil Général des Vosges), regional (Région Lorraine), national (DRRT and FNADT) and European (FEDER) funds.es_ES
dc.subjectHydrothermal carbonisationes_ES
dc.subjectAminated tannines_ES
dc.subjectNitrogen-doped carbon materialses_ES
dc.subjectCarbon gelses_ES
dc.titleHigh surface - highly N-doped carbons from hydrothermally-treated tannines_ES
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