FeNiCo aerogel for oxygen evolution reaction in alkaline systems: Microfluidic and anion exchange membrane electrolyzers

FeNiCo and NiCo aerogels were prepared by a simple and rapid synthesis method. These aerogels were used as catalysts in two systems: microfluidic and anion exchange membrane electrolyzers. These novel catalysts explored the influence of Fe incorporated in a NiCo alloy on the electrochemical water sp...

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Autores: Espinosa-Lagunes, F. I., Martínez-Lázaro, A., Luna-Bárcenas, G., Lo Vecchio, C., Gatto, I., Rey Raap, Natalia, Arenillas de la Puente, Ana, Baglio, V., Ledesma-García, J., Arriaga, L. G.
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/401785
Acceso en línea:http://hdl.handle.net/10261/401785
https://api.elsevier.com/content/abstract/scopus_id/86000445140
Access Level:acceso abierto
Palabra clave:Water splitting
Anion-exchange membrane electrolysis
FeNiCo aerogels
Microfluidic electrolysis
Non-noble electrocatalysts
Oxygen evolution reaction
http://metadata.un.org/sdg/9
http://metadata.un.org/sdg/7
Ensure access to affordable, reliable, sustainable and modern energy for all
Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation
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spelling FeNiCo aerogel for oxygen evolution reaction in alkaline systems: Microfluidic and anion exchange membrane electrolyzersEspinosa-Lagunes, F. I.Martínez-Lázaro, A.Luna-Bárcenas, G.Lo Vecchio, C.Gatto, I.Rey Raap, NataliaArenillas de la Puente, AnaBaglio, V.Ledesma-García, J.Arriaga, L. G.Water splittingAnion-exchange membrane electrolysisFeNiCo aerogelsMicrofluidic electrolysisNon-noble electrocatalystsOxygen evolution reactionhttp://metadata.un.org/sdg/9http://metadata.un.org/sdg/7Ensure access to affordable, reliable, sustainable and modern energy for allBuild resilient infrastructure, promote inclusive and sustainable industrialization and foster innovationFeNiCo and NiCo aerogels were prepared by a simple and rapid synthesis method. These aerogels were used as catalysts in two systems: microfluidic and anion exchange membrane electrolyzers. These novel catalysts explored the influence of Fe incorporated in a NiCo alloy on the electrochemical water splitting. Physico-chemical characterizations were carried out to analyse the structure, morphology and surface composition. The electrochemical performance of FeNiCo for OER evaluated in a microfluidic electrolysis cell demonstrated a hydrogen production of 220 μg s<sup>−1</sup> 10<sup>−7</sup> during 35 h, while an anion exchange membrane electrolyzer with a catalyst-coated membrane using FeNiCo as anode reached a current density of 2.2 A cm<sup>−2</sup> at 2.2 V and 60 °C. A stability test of 24 h at 1 A cm<sup>−2</sup> and 60 °C was successfully carried out.The authors thanks to the Mexican Council of Humanistics, Sciences and Technologies (CONAHCYT) for financial support through Ciencia de Frontera 2023-Grant 416 and 567.Peer reviewedElsevierRey Raap, Natalia [0000-0002-5003-0035]Arenillas de la Puente, Ana [0000-0002-5388-1169]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Postprintinfo:eu-repo/semantics/acceptedVersionhttp://hdl.handle.net/10261/401785https://api.elsevier.com/content/abstract/scopus_id/86000445140reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)InglésRenewable Energyhttps://doi.org/10.1016/j.renene.2025.122791Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/4017852026-05-22T06:33:51Z
dc.title.none.fl_str_mv FeNiCo aerogel for oxygen evolution reaction in alkaline systems: Microfluidic and anion exchange membrane electrolyzers
title FeNiCo aerogel for oxygen evolution reaction in alkaline systems: Microfluidic and anion exchange membrane electrolyzers
spellingShingle FeNiCo aerogel for oxygen evolution reaction in alkaline systems: Microfluidic and anion exchange membrane electrolyzers
Espinosa-Lagunes, F. I.
Water splitting
Anion-exchange membrane electrolysis
FeNiCo aerogels
Microfluidic electrolysis
Non-noble electrocatalysts
Oxygen evolution reaction
http://metadata.un.org/sdg/9
http://metadata.un.org/sdg/7
Ensure access to affordable, reliable, sustainable and modern energy for all
Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation
title_short FeNiCo aerogel for oxygen evolution reaction in alkaline systems: Microfluidic and anion exchange membrane electrolyzers
title_full FeNiCo aerogel for oxygen evolution reaction in alkaline systems: Microfluidic and anion exchange membrane electrolyzers
title_fullStr FeNiCo aerogel for oxygen evolution reaction in alkaline systems: Microfluidic and anion exchange membrane electrolyzers
title_full_unstemmed FeNiCo aerogel for oxygen evolution reaction in alkaline systems: Microfluidic and anion exchange membrane electrolyzers
title_sort FeNiCo aerogel for oxygen evolution reaction in alkaline systems: Microfluidic and anion exchange membrane electrolyzers
dc.creator.none.fl_str_mv Espinosa-Lagunes, F. I.
Martínez-Lázaro, A.
Luna-Bárcenas, G.
Lo Vecchio, C.
Gatto, I.
Rey Raap, Natalia
Arenillas de la Puente, Ana
Baglio, V.
Ledesma-García, J.
Arriaga, L. G.
author Espinosa-Lagunes, F. I.
author_facet Espinosa-Lagunes, F. I.
Martínez-Lázaro, A.
Luna-Bárcenas, G.
Lo Vecchio, C.
Gatto, I.
Rey Raap, Natalia
Arenillas de la Puente, Ana
Baglio, V.
Ledesma-García, J.
Arriaga, L. G.
author_role author
author2 Martínez-Lázaro, A.
Luna-Bárcenas, G.
Lo Vecchio, C.
Gatto, I.
Rey Raap, Natalia
Arenillas de la Puente, Ana
Baglio, V.
Ledesma-García, J.
Arriaga, L. G.
author2_role author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Rey Raap, Natalia [0000-0002-5003-0035]
Arenillas de la Puente, Ana [0000-0002-5388-1169]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Water splitting
Anion-exchange membrane electrolysis
FeNiCo aerogels
Microfluidic electrolysis
Non-noble electrocatalysts
Oxygen evolution reaction
http://metadata.un.org/sdg/9
http://metadata.un.org/sdg/7
Ensure access to affordable, reliable, sustainable and modern energy for all
Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation
topic Water splitting
Anion-exchange membrane electrolysis
FeNiCo aerogels
Microfluidic electrolysis
Non-noble electrocatalysts
Oxygen evolution reaction
http://metadata.un.org/sdg/9
http://metadata.un.org/sdg/7
Ensure access to affordable, reliable, sustainable and modern energy for all
Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation
description FeNiCo and NiCo aerogels were prepared by a simple and rapid synthesis method. These aerogels were used as catalysts in two systems: microfluidic and anion exchange membrane electrolyzers. These novel catalysts explored the influence of Fe incorporated in a NiCo alloy on the electrochemical water splitting. Physico-chemical characterizations were carried out to analyse the structure, morphology and surface composition. The electrochemical performance of FeNiCo for OER evaluated in a microfluidic electrolysis cell demonstrated a hydrogen production of 220 μg s<sup>−1</sup> 10<sup>−7</sup> during 35 h, while an anion exchange membrane electrolyzer with a catalyst-coated membrane using FeNiCo as anode reached a current density of 2.2 A cm<sup>−2</sup> at 2.2 V and 60 °C. A stability test of 24 h at 1 A cm<sup>−2</sup> and 60 °C was successfully carried out.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Postprint
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/401785
https://api.elsevier.com/content/abstract/scopus_id/86000445140
url http://hdl.handle.net/10261/401785
https://api.elsevier.com/content/abstract/scopus_id/86000445140
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Renewable Energy
https://doi.org/10.1016/j.renene.2025.122791
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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