H2 production at positive potentials with a stable and bifunctional Ru0-RuO2Cy electrocatalyst

[EN] Developing highly efficient and earth-abundant catalysts for the hydrogen evolution reaction (HER) is essential to produce hydrogen (H2) as a sustainable energy vector, providing an alternative to fossil fuels. Promoting HER in basic media remains challenging due to the lower proton availabilit...

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Autores: Gonell-Gómez, Francisco|||0000-0002-8658-2878, Tebar-Soler, Carmen|||0000-0001-7054-4503, Corma Canós, Avelino|||0000-0002-2232-3527, Concepción Heydorn, Patricia|||0000-0003-2058-3103, Diaz-Coello, Sergio, Pastor, Elena
Tipo de recurso: artículo
Fecha de publicación:2026
País:España
Institución:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:dnet:riunet______::0e86cbd4a6f73018167c57bdbc04e327
Acceso en línea:https://riunet.upv.es/handle/10251/233426
Access Level:acceso abierto
Palabra clave:Hydrogen evolution reaction (HER)
Ruthenium-based catalysts
Electrocatalysis
Ruthenium
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dc.title.none.fl_str_mv H2 production at positive potentials with a stable and bifunctional Ru0-RuO2Cy electrocatalyst
title H2 production at positive potentials with a stable and bifunctional Ru0-RuO2Cy electrocatalyst
spellingShingle H2 production at positive potentials with a stable and bifunctional Ru0-RuO2Cy electrocatalyst
Gonell-Gómez, Francisco|||0000-0002-8658-2878
Hydrogen evolution reaction (HER)
Ruthenium-based catalysts
Electrocatalysis
Ruthenium
title_short H2 production at positive potentials with a stable and bifunctional Ru0-RuO2Cy electrocatalyst
title_full H2 production at positive potentials with a stable and bifunctional Ru0-RuO2Cy electrocatalyst
title_fullStr H2 production at positive potentials with a stable and bifunctional Ru0-RuO2Cy electrocatalyst
title_full_unstemmed H2 production at positive potentials with a stable and bifunctional Ru0-RuO2Cy electrocatalyst
title_sort H2 production at positive potentials with a stable and bifunctional Ru0-RuO2Cy electrocatalyst
dc.creator.none.fl_str_mv Gonell-Gómez, Francisco|||0000-0002-8658-2878
Tebar-Soler, Carmen|||0000-0001-7054-4503
Corma Canós, Avelino|||0000-0002-2232-3527
Concepción Heydorn, Patricia|||0000-0003-2058-3103
Diaz-Coello, Sergio
Pastor, Elena
author Gonell-Gómez, Francisco|||0000-0002-8658-2878
author_facet Gonell-Gómez, Francisco|||0000-0002-8658-2878
Tebar-Soler, Carmen|||0000-0001-7054-4503
Corma Canós, Avelino|||0000-0002-2232-3527
Concepción Heydorn, Patricia|||0000-0003-2058-3103
Diaz-Coello, Sergio
Pastor, Elena
author_role author
author2 Tebar-Soler, Carmen|||0000-0001-7054-4503
Corma Canós, Avelino|||0000-0002-2232-3527
Concepción Heydorn, Patricia|||0000-0003-2058-3103
Diaz-Coello, Sergio
Pastor, Elena
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Instituto Universitario Mixto de Tecnología Química
Generalitat Valenciana
Agencia Estatal de Investigación
Ministerio de Ciencia e Innovación
Universitat Politècnica de València
Repositorio Institucional de la Universitat Politècnica de València Riunet
dc.subject.none.fl_str_mv Hydrogen evolution reaction (HER)
Ruthenium-based catalysts
Electrocatalysis
Ruthenium
topic Hydrogen evolution reaction (HER)
Ruthenium-based catalysts
Electrocatalysis
Ruthenium
description [EN] Developing highly efficient and earth-abundant catalysts for the hydrogen evolution reaction (HER) is essential to produce hydrogen (H2) as a sustainable energy vector, providing an alternative to fossil fuels. Promoting HER in basic media remains challenging due to the lower proton availability compared to acidic conditions. Herein, we report the synthesis of partially carbon-coated, ruthenium-based materials with carefully controlled synthesis parameters that modulate the concentrations of metallic Ru0 and ruthenium oxycarbonate (RuO2Cy). These materials exhibit impressive electrocatalytic performance in HER, with overpotentials required to reach a current density of 10 mA cm- 2 (versus RHE) as low as 37 mV in acidic and 7 mV in basic media. The high efficiency observed in basic media was further characterized using differential electrochemical mass spectrometry (DEMS) and in situ Raman spectroscopy, revealing H2 production at positive potentials. This phenomenon may result from local pH changes facilitated by efficient water deprotonation on ruthenium species with intermediate oxidation states. In addition to high activity, the most efficient material demonstrated excellent stability, with no significant deactivation during chronopotentiometry experiments at 10 mA cm- 2 for 40 h. This work underscores the importance of precise material design in developing effective electrocatalysts for HER.
publishDate 2026
dc.date.none.fl_str_mv 2026
2026-02-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://riunet.upv.es/handle/10251/233426
url https://riunet.upv.es/handle/10251/233426
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Agencia Estatal de Investigación http://dx.doi.org/10.13039/501100011033 Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020 PID2020-117586RB-I00 MATERIALES BIDIMENSIONALES COMO ELECTROCATALIZADORES PARA APLICACIONES EN ENERGIA Y MEDIOAMBIENTE
Generalitat Valenciana https://doi.org/10.13039/501100003359 CIAICO%2F2021%2F2138
Generalitat Valenciana https://doi.org/10.13039/501100003359 MFA%2F2022%2F016
Agencia Estatal de Investigación http://dx.doi.org/10.13039/501100011033 TED2021-130756B-C32
Agencia Estatal de Investigación http://dx.doi.org/10.13039/501100011033 RYC2023- 044631-I
Ministerio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 PID2021-1262350B-C31
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reconocimiento - No comercial (by-nc)
http://creativecommons.org/licenses/by-nc/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reconocimiento - No comercial (by-nc)
http://creativecommons.org/licenses/by-nc/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname:Universitat Politècnica de València (UPV)
instname_str Universitat Politècnica de València (UPV)
reponame_str RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
collection RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
repository.name.fl_str_mv
repository.mail.fl_str_mv
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spelling H2 production at positive potentials with a stable and bifunctional Ru0-RuO2Cy electrocatalystGonell-Gómez, Francisco|||0000-0002-8658-2878Tebar-Soler, Carmen|||0000-0001-7054-4503Corma Canós, Avelino|||0000-0002-2232-3527Concepción Heydorn, Patricia|||0000-0003-2058-3103Diaz-Coello, SergioPastor, ElenaHydrogen evolution reaction (HER)Ruthenium-based catalystsElectrocatalysisRuthenium[EN] Developing highly efficient and earth-abundant catalysts for the hydrogen evolution reaction (HER) is essential to produce hydrogen (H2) as a sustainable energy vector, providing an alternative to fossil fuels. Promoting HER in basic media remains challenging due to the lower proton availability compared to acidic conditions. Herein, we report the synthesis of partially carbon-coated, ruthenium-based materials with carefully controlled synthesis parameters that modulate the concentrations of metallic Ru0 and ruthenium oxycarbonate (RuO2Cy). These materials exhibit impressive electrocatalytic performance in HER, with overpotentials required to reach a current density of 10 mA cm- 2 (versus RHE) as low as 37 mV in acidic and 7 mV in basic media. The high efficiency observed in basic media was further characterized using differential electrochemical mass spectrometry (DEMS) and in situ Raman spectroscopy, revealing H2 production at positive potentials. This phenomenon may result from local pH changes facilitated by efficient water deprotonation on ruthenium species with intermediate oxidation states. In addition to high activity, the most efficient material demonstrated excellent stability, with no significant deactivation during chronopotentiometry experiments at 10 mA cm- 2 for 40 h. This work underscores the importance of precise material design in developing effective electrocatalysts for HER.The Electron Microscopy Service of the UPV is acknowledged for their help in sample characterization. E. Pastor and S. Diaz-Coello acknowledge PID2020-117586RB-I00 funded by MCIN/AEI/10.13039/501100011033. F. Gonell thanks the Ramon y Cajal program (RYC2023-044631-I) funded by MCIN/AEI/10.13039/501100011033. C. Tebar-Soler acknowledges the Polytechnical University of Valencia for the economic support through the grant of an FPI scholarship associated with the PAID programme "Programa de Ayudas de Investigacion y Desarrollo". This research was funded by Ministerio de Ciencia, Innovacion y Universidades (MCIN) , grant number PID2021-1262350B-C31 and Generalitat Valenciana (GVA) , grant number CIAICO/2021/2138. This study forms part of the Advanced Materials program and was supported by MCIN with funding from European Union Next Generation EU (PRTR-C17.11) and Generalitat Valenciana (ref MFA/2022/016 and TED2021-130756B-C32) .ElsevierInstituto Universitario Mixto de Tecnología QuímicaGeneralitat ValencianaAgencia Estatal de InvestigaciónMinisterio de Ciencia e InnovaciónUniversitat Politècnica de ValènciaRepositorio Institucional de la Universitat Politècnica de València Riunet20262026-02-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://riunet.upv.es/handle/10251/233426reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valénciainstname:Universitat Politècnica de València (UPV)InglésengAgencia Estatal de Investigación http://dx.doi.org/10.13039/501100011033 Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020 PID2020-117586RB-I00 MATERIALES BIDIMENSIONALES COMO ELECTROCATALIZADORES PARA APLICACIONES EN ENERGIA Y MEDIOAMBIENTEGeneralitat Valenciana https://doi.org/10.13039/501100003359 CIAICO%2F2021%2F2138Generalitat Valenciana https://doi.org/10.13039/501100003359 MFA%2F2022%2F016Agencia Estatal de Investigación http://dx.doi.org/10.13039/501100011033 TED2021-130756B-C32Agencia Estatal de Investigación http://dx.doi.org/10.13039/501100011033 RYC2023- 044631-IMinisterio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 PID2021-1262350B-C31open accesshttp://purl.org/coar/access_right/c_abf2Reconocimiento - No comercial (by-nc) http://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccessoai:dnet:riunet______::0e86cbd4a6f73018167c57bdbc04e3272026-06-13T07:49:27Z
score 15,81155

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