Nitrogen-Doped Superporous Activated Carbons as Electrocatalysts for the Oxygen Reduction Reaction

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dc.contributorMateriales Carbonosos y Medio Ambientees_ES
dc.contributorElectrocatálisis y Electroquímica de Polímeroses_ES
dc.contributor.authorMostazo-López, María José-
dc.contributor.authorSalinas Torres, David-
dc.contributor.authorRuiz-Rosas, Ramiro-
dc.contributor.authorMorallon, Emilia-
dc.contributor.authorCazorla-Amorós, Diego-
dc.contributor.otherUniversidad de Alicante. Departamento de Química Inorgánicaes_ES
dc.contributor.otherUniversidad de Alicante. Departamento de Química Físicaes_ES
dc.contributor.otherUniversidad de Alicante. Instituto Universitario de Materialeses_ES
dc.identifier.citationMostazo-López MJ, Salinas-Torres D, Ruiz-Rosas R, Morallón E, Cazorla-Amorós D. Nitrogen-Doped Superporous Activated Carbons as Electrocatalysts for the Oxygen Reduction Reaction. Materials. 2019; 12(8):1346. doi:10.3390/ma12081346es_ES
dc.description.abstractNitrogen-containing superporous activated carbons were prepared by chemical polymerization of aniline and nitrogen functionalization by organic routes. The resulting N-doped carbon materials were carbonized at high temperatures (600–800 °C) in inert atmosphere. X-ray Photoelectron Spectroscopy (XPS) revealed that nitrogen amount ranges from 1 to 4 at.% and the nature of the nitrogen groups depends on the treatment temperature. All samples were assessed as electrocatalysts for the oxygen reduction reaction (ORR) in alkaline solution (0.1 M KOH) in order to understand the role of well-developed microporosity as well as the different nitrogen functionalities on the electrocatalytic performance in ORR. It was observed that nitrogen groups generated at high temperatures were highly selective towards the water formation. Among the investigated samples, polyaniline-derived activated carbon carbonized at 800 °C displayed the best performance (onset potential of 0.88 V versus RHE and an electron transfer number of 3.4), which was attributed to the highest concentration of N–C–O sites.es_ES
dc.description.sponsorshipThis research was funded byMINECO and European Regional Development Fund (RTI2018-095291-B-I00, MAT2016-76595-R and ENE2017-90932-REDT). MJML acknowledges financial support of Generalitat Valenciana through VALi+d grant (ACIF/2015/374). DST thanks MINECO for a ‘Juan de la Cierva’ contract (IJCI-2016-27636).es_ES
dc.rights© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
dc.subjectPorous carbonses_ES
dc.subjectNitrogen functionalizationes_ES
dc.subjectOxygen reduction reactiones_ES
dc.subject.otherQuímica Inorgánicaes_ES
dc.subject.otherQuímica Físicaes_ES
dc.titleNitrogen-Doped Superporous Activated Carbons as Electrocatalysts for the Oxygen Reduction Reactiones_ES
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