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Mixed proton and electron conducting double perovskite anodes for stable and efficient tubular proton ceramic electrolysers.

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Mixed proton and electron conducting double perovskite anodes for stable and efficient tubular proton ceramic electrolysers.

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dc.contributor.author Vøllestad, Einar es_ES
dc.contributor.author Strandbakke, Ragnar es_ES
dc.contributor.author Tarach, Mateusz es_ES
dc.contributor.author Catalán-Martínez, David es_ES
dc.contributor.author Fontaine, Marie-Laure es_ES
dc.contributor.author Beeaff, Dustin es_ES
dc.contributor.author Clark, Daniel R. es_ES
dc.contributor.author Serra Alfaro, José Manuel es_ES
dc.contributor.author Norby, Truls es_ES
dc.date.accessioned 2021-01-21T04:31:57Z
dc.date.available 2021-01-21T04:31:57Z
dc.date.issued 2019-07 es_ES
dc.identifier.issn 1476-1122 es_ES
dc.identifier.uri http://hdl.handle.net/10251/159606
dc.description.abstract [EN] Hydrogen production from water electrolysis is a key enabling energy storage technology for the large-scale deployment of intermittent renewable energy sources. Proton ceramic electrolysers (PCEs) can produce dry pressurized hydrogen directly from steam, avoiding major parts of cost-driving downstream separation and compression. However, the development of PCEs has suffered from limited electrical efficiency due to electronic leakage and poor electrode kinetics. Here, we present the first fully operational BaZrO3-based tubular PCE, with 10 cm(2) active area and a hydrogen production rate above 15 Nml min(-1). The novel steam anode Ba1-xGd0.8La0.2+xCo2O6-delta exhibits mixed p-type electronic and protonic conduction and low activation energy for water splitting, enabling total polarization resistances below 1 Omega cm(2) at 600 degrees C and Faradaic efficiencies close to 100% at high steam pressures. These tubular PCEs are mechanically robust, tolerate high pressures, allow improved process integration and offer scale-up modularity. es_ES
dc.description.sponsorship The work leading to these results has received funding from the Research Council of Norway (grant 236828) and from the European Union's Seventh Framework Programme (FP7/2007-2013) for the Fuel Cells and Hydrogen Joint Technology Initiative under grant agreement 621244 ('ELECTRA') and Fuel Cells and Hydrogen 2 Joint Undertaking under grant agreement 779486 ('GAMER'). This Joint Undertaking receives support from the European Union's Horizon 2020 research and innovation programme, Hydrogen Europe and Hydrogen Europe research. es_ES
dc.language Inglés es_ES
dc.publisher Nature Publishing Group es_ES
dc.relation.ispartof Nature Materials es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Electrolysis es_ES
dc.subject Protonic ceramic conductors es_ES
dc.subject Energy storage es_ES
dc.title Mixed proton and electron conducting double perovskite anodes for stable and efficient tubular proton ceramic electrolysers. es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1038/s41563-019-0388-2 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/621244/EU/High temperature electrolyser with novel proton ceramic tubular modules of superior efficiency, robustness, and lifetime economy/
dc.relation.projectID info:eu-repo/grantAgreement/RCN//236828/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/779486/EU/Game changer in high temperature steam electrolysers with novel tubular cells and stacks geometry for pressurized hydrogen production/
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario Mixto de Tecnología Química - Institut Universitari Mixt de Tecnologia Química es_ES
dc.description.bibliographicCitation Vøllestad, E.; Strandbakke, R.; Tarach, M.; Catalán-Martínez, D.; Fontaine, M.; Beeaff, D.; Clark, DR.... (2019). Mixed proton and electron conducting double perovskite anodes for stable and efficient tubular proton ceramic electrolysers. Nature Materials. 18(7):752-759. https://doi.org/10.1038/s41563-019-0388-2 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1038/s41563-019-0388-2 es_ES
dc.description.upvformatpinicio 752 es_ES
dc.description.upvformatpfin 759 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 18 es_ES
dc.description.issue 7 es_ES
dc.identifier.pmid 31160804 es_ES
dc.relation.pasarela S\390171 es_ES
dc.contributor.funder European Commission es_ES
dc.contributor.funder Research Council of Norway es_ES
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