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Uniform nanoporous graphene sponge from natural polysaccharides as a metal-free electrocatalyst for hydrogen generation

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Uniform nanoporous graphene sponge from natural polysaccharides as a metal-free electrocatalyst for hydrogen generation

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Nombre: Niu;Doménech-Carb ...
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dc.contributor.author Niu, Jinan es_ES
dc.contributor.author Doménech-Carbó, Antonio es_ES
dc.contributor.author Primo Arnau, Ana Maria es_ES
dc.contributor.author García Gómez, Hermenegildo es_ES
dc.date.accessioned 2021-02-04T04:31:56Z
dc.date.available 2021-02-04T04:31:56Z
dc.date.issued 2019 es_ES
dc.identifier.uri http://hdl.handle.net/10251/160676
dc.description.abstract [EN] Structuring of graphene as graphene sponges in the submicrometric scale has been achieved by using silica spheres (80 nm diameter) as hard templates and chitosan or alginate as precursor of defective N-doped or undoped graphene, respectively. The resulting defective N-doped graphene sponge exhibits a remarkable activity and stability for hydrogen evolution reaction with onset at 203 mV for a current density of 0.5 mA cm(-2) with a small Tafel plot slope of 69.7 mV dec(-1). In addition, the graphene sponge also exhibits a high double layer capacitance of 11.65 mF cm(-2). Comparison with an analogous N-doped graphene sample shows that this electrochemical properties derive from the spatial structuring and large surface area. es_ES
dc.description.sponsorship Financial support from the Spanish Ministry of Economy and Competitiveness (Severo Ochoa and CTQ2015-698153-COP2-R1) and Generalitat Valenciana (Prometeo 2017-083) is gratefully acknowledged. A. P. thanks the Spanish Ministry for a Ramon y Cajal research associate contract. J. Niu also gratefully acknowledges financial support from the China Scholarship Council (201706425026) and the National Natural Science Foundation of China (41502032). es_ES
dc.language Inglés es_ES
dc.publisher The Royal Society of Chemistry es_ES
dc.relation MINECO/CTQ2015-698153-COP2-R1 es_ES
dc.relation.ispartof RSC Advances es_ES
dc.rights Reconocimiento - No comercial (by-nc) es_ES
dc.subject.classification QUIMICA ORGANICA es_ES
dc.title Uniform nanoporous graphene sponge from natural polysaccharides as a metal-free electrocatalyst for hydrogen generation es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1039/c8ra08745h es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GVA//PROMETEO%2F2017%2F083/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/NSFC//41502032/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/CSC//201706425026/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Química - Departament de Química es_ES
dc.description.bibliographicCitation Niu, J.; Doménech-Carbó, A.; Primo Arnau, AM.; García Gómez, H. (2019). Uniform nanoporous graphene sponge from natural polysaccharides as a metal-free electrocatalyst for hydrogen generation. RSC Advances. 9(1):99-106. https://doi.org/10.1039/c8ra08745h es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1039/c8ra08745h es_ES
dc.description.upvformatpinicio 99 es_ES
dc.description.upvformatpfin 106 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 9 es_ES
dc.description.issue 1 es_ES
dc.identifier.eissn 2046-2069 es_ES
dc.relation.pasarela S\398868 es_ES
dc.contributor.funder Generalitat Valenciana es_ES
dc.contributor.funder China Scholarship Council es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
dc.contributor.funder National Natural Science Foundation of China es_ES
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