Advancements in membrane-less electrolysis configurations: Innovations and Challenges

Ionic conductive membranes have provided significant advantages in low-temperature water electrolysis configurations, but their poor stability and high cost have prompted researchers to develop various types of membrane-less electrolysis configurations of reduced design complexity and lower costs. T...

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Detalles Bibliográficos
Autores: Kilaparthi, Sravan Kumar, Mateo Fernández, Sara, Osa Puebla, Ana Raquel de la, Sánchez Paredes, Paula, Lucas Consuegra, Antonio de
Tipo de recurso: artículo
Fecha de publicación:2025
País:España
Institución:Universidad de Castilla-La Mancha
Repositorio:RUIdeRA. Repositorio Institucional de la UCLM
OAI Identifier:oai:ruidera.uclm.es:10578/42294
Acceso en línea:https://doi.org/10.1016/j.coelec.2024.101602
https://hdl.handle.net/10578/42294
Access Level:acceso abierto
Palabra clave:HER
Hydrogen production
Membrane free
Membrane-less electrolysis
OER
Water electrolysis
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spelling Advancements in membrane-less electrolysis configurations: Innovations and ChallengesKilaparthi, Sravan KumarMateo Fernández, SaraOsa Puebla, Ana Raquel de laSánchez Paredes, PaulaLucas Consuegra, Antonio deHERHydrogen productionMembrane freeMembrane-less electrolysisOERWater electrolysisIonic conductive membranes have provided significant advantages in low-temperature water electrolysis configurations, but their poor stability and high cost have prompted researchers to develop various types of membrane-less electrolysis configurations of reduced design complexity and lower costs. This paper reviews recent studies in the field, comparing the results obtained with different approaches and critically advising about the main advantages and challenges to be overcome. Notable among these is the electrolyte flow-by strategy, which uses closely spaced planar electrodes and laminar flow to keep hydrogen and oxygen bubbles separated without a membrane. Various other approaches have also been investigated such as: flow-through electrodes, bubbles free gas diffusion electrodes, organic-assisted electrolysis process and microbial electrolysis cells. The different approaches discussed on the manuscript generates significant interest within the scientific community, offering an opportunity to simplify innovative electrolysis configurations addressing new scientific challenges associated with traditional electrolysis methods.Ionic conductive membranes have provided significant advantages in low-temperature water electrolysis configurations, but their poor stability and high cost have prompted researchers to develop various types of membrane-less electrolysis configurations of reduced design complexity and lower costs. This paper reviews recent studies in the field, comparing the results obtained with different approaches and critically advising about the main advantages and challenges to be overcome. Notable among these is the electrolyte flow-by strategy, which uses closely spaced planar electrodes and laminar flow to keep hydrogen and oxygen bubbles separated without a membrane. Various other approaches have also been investigated such as: flow-through electrodes, bubbles free gas diffusion electrodes, organic-assisted electrolysis process and microbial electrolysis cells. The different approaches discussed on the manuscript generates significant interest within the scientific community, offering an opportunity to simplify innovative electrolysis configurations addreELSEVIER202520252025info:eu-repo/semantics/articleapplication/pdfapplication/pdfhttps://doi.org/10.1016/j.coelec.2024.101602https://hdl.handle.net/10578/42294reponame:RUIdeRA. Repositorio Institucional de la UCLMinstname:Universidad de Castilla-La ManchaInglésinfo:eu-repo/semantics/openAccessoai:ruidera.uclm.es:10578/422942026-05-27T07:36:41Z
dc.title.none.fl_str_mv Advancements in membrane-less electrolysis configurations: Innovations and Challenges
title Advancements in membrane-less electrolysis configurations: Innovations and Challenges
spellingShingle Advancements in membrane-less electrolysis configurations: Innovations and Challenges
Kilaparthi, Sravan Kumar
HER
Hydrogen production
Membrane free
Membrane-less electrolysis
OER
Water electrolysis
title_short Advancements in membrane-less electrolysis configurations: Innovations and Challenges
title_full Advancements in membrane-less electrolysis configurations: Innovations and Challenges
title_fullStr Advancements in membrane-less electrolysis configurations: Innovations and Challenges
title_full_unstemmed Advancements in membrane-less electrolysis configurations: Innovations and Challenges
title_sort Advancements in membrane-less electrolysis configurations: Innovations and Challenges
dc.creator.none.fl_str_mv Kilaparthi, Sravan Kumar
Mateo Fernández, Sara
Osa Puebla, Ana Raquel de la
Sánchez Paredes, Paula
Lucas Consuegra, Antonio de
author Kilaparthi, Sravan Kumar
author_facet Kilaparthi, Sravan Kumar
Mateo Fernández, Sara
Osa Puebla, Ana Raquel de la
Sánchez Paredes, Paula
Lucas Consuegra, Antonio de
author_role author
author2 Mateo Fernández, Sara
Osa Puebla, Ana Raquel de la
Sánchez Paredes, Paula
Lucas Consuegra, Antonio de
author2_role author
author
author
author
dc.subject.none.fl_str_mv HER
Hydrogen production
Membrane free
Membrane-less electrolysis
OER
Water electrolysis
topic HER
Hydrogen production
Membrane free
Membrane-less electrolysis
OER
Water electrolysis
description Ionic conductive membranes have provided significant advantages in low-temperature water electrolysis configurations, but their poor stability and high cost have prompted researchers to develop various types of membrane-less electrolysis configurations of reduced design complexity and lower costs. This paper reviews recent studies in the field, comparing the results obtained with different approaches and critically advising about the main advantages and challenges to be overcome. Notable among these is the electrolyte flow-by strategy, which uses closely spaced planar electrodes and laminar flow to keep hydrogen and oxygen bubbles separated without a membrane. Various other approaches have also been investigated such as: flow-through electrodes, bubbles free gas diffusion electrodes, organic-assisted electrolysis process and microbial electrolysis cells. The different approaches discussed on the manuscript generates significant interest within the scientific community, offering an opportunity to simplify innovative electrolysis configurations addressing new scientific challenges associated with traditional electrolysis methods.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://doi.org/10.1016/j.coelec.2024.101602
https://hdl.handle.net/10578/42294
url https://doi.org/10.1016/j.coelec.2024.101602
https://hdl.handle.net/10578/42294
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv ELSEVIER
publisher.none.fl_str_mv ELSEVIER
dc.source.none.fl_str_mv reponame:RUIdeRA. Repositorio Institucional de la UCLM
instname:Universidad de Castilla-La Mancha
instname_str Universidad de Castilla-La Mancha
reponame_str RUIdeRA. Repositorio Institucional de la UCLM
collection RUIdeRA. Repositorio Institucional de la UCLM
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.812429

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