Files in this item
High oxide ion and proton conductivity in a disordered hexagonal perovskite
Item metadata
dc.contributor.author | Fop, Sacha | |
dc.contributor.author | McCombie, Kirstie S. | |
dc.contributor.author | Wildman, Eve J. | |
dc.contributor.author | Skakle, Jan M. S. | |
dc.contributor.author | Irvine, John T. S. | |
dc.contributor.author | Connor, Paul A. | |
dc.contributor.author | Savaniu, Cristian | |
dc.contributor.author | Ritter, Clemens | |
dc.contributor.author | Mclaughlin, Abbie C. | |
dc.date.accessioned | 2020-09-01T23:34:45Z | |
dc.date.available | 2020-09-01T23:34:45Z | |
dc.date.issued | 2020-07 | |
dc.identifier | 266941680 | |
dc.identifier | e0bff0b1-6b7b-4aee-92a4-a80d373fbdce | |
dc.identifier | 000517739800002 | |
dc.identifier | 85081197939 | |
dc.identifier.citation | Fop , S , McCombie , K S , Wildman , E J , Skakle , J M S , Irvine , J T S , Connor , P A , Savaniu , C , Ritter , C & Mclaughlin , A C 2020 , ' High oxide ion and proton conductivity in a disordered hexagonal perovskite ' , Nature Materials , vol. 19 , no. 7 , pp. 752–757 . https://doi.org/10.1038/s41563-020-0629-4 | en |
dc.identifier.issn | 1476-1122 | |
dc.identifier.other | ORCID: /0000-0002-8394-3359/work/70919726 | |
dc.identifier.other | ORCID: /0000-0002-1492-7590/work/70919890 | |
dc.identifier.uri | https://hdl.handle.net/10023/20534 | |
dc.description | This research was supported by the Leverhulme trust and EPSRC (MISE). We also acknowledge STFC-GB for provision of beamtime at the Institut Laue Langevin. | en |
dc.description.abstract | Oxide ion and proton conductors, which exhibit high conductivity at intermediate temperature, are necessary to improve the performance of ceramic fuel cells. The crystal structure plays a pivotal role in defining the ionic conduction properties, and the discovery of new materials is a challenging research focus. Here, we show that the undoped hexagonal perovskite Ba7Nb4MoO20 supports pure ionic conduction with high proton and oxide ion conductivity at 510 °C (the bulk conductivity is 4.0 mS cm−1), and hence is an exceptional candidate for application as a dual-ion solid electrolyte in a ceramic fuel cell that will combine the advantages of both oxide ion and proton-conducting electrolytes. Ba7Nb4MoO20 also showcases excellent chemical and electrical stability. Hexagonal perovskites form an important new family of materials for obtaining novel ionic conductors with potential applications in a range of energy-related technologies. | |
dc.format.extent | 7 | |
dc.format.extent | 924040 | |
dc.language.iso | eng | |
dc.relation.ispartof | Nature Materials | en |
dc.subject | Fuel cells | en |
dc.subject | Solid-state chemistry | en |
dc.subject | QD Chemistry | en |
dc.subject | NDAS | en |
dc.subject | BDC | en |
dc.subject | R2C | en |
dc.subject.lcc | QD | en |
dc.title | High oxide ion and proton conductivity in a disordered hexagonal perovskite | en |
dc.type | Journal article | en |
dc.contributor.institution | University of St Andrews. School of Chemistry | en |
dc.contributor.institution | University of St Andrews. Centre for Designer Quantum Materials | en |
dc.contributor.institution | University of St Andrews. EaSTCHEM | en |
dc.contributor.institution | University of St Andrews. St Andrews Sustainability Institute | en |
dc.identifier.doi | 10.1038/s41563-020-0629-4 | |
dc.description.status | Peer reviewed | en |
dc.date.embargoedUntil | 2020-09-02 |
This item appears in the following Collection(s)
Items in the St Andrews Research Repository are protected by copyright, with all rights reserved, unless otherwise indicated.