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Entropic restrictions control the electric conductance of superprotonic ionic solids

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Entropic restrictions control the electric conductance of superprotonic ionic solids

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dc.contributor.author Santamaría-Holek, Iván es_ES
dc.contributor.author Ledesma-Duran, Aldo es_ES
dc.contributor.author Hernández, S. I. es_ES
dc.contributor.author García-Alcántara, C. es_ES
dc.contributor.author Andrio, Andreu es_ES
dc.contributor.author Compañ Moreno, Vicente es_ES
dc.date.accessioned 2021-02-25T04:49:26Z
dc.date.available 2021-02-25T04:49:26Z
dc.date.issued 2020-01-14 es_ES
dc.identifier.issn 1463-9076 es_ES
dc.identifier.uri http://hdl.handle.net/10251/162366
dc.description.abstract [EN] The crystallographic structure of solid electrolytes and other materials determines the protonic conductivity in devices such as fuel cells, ionic-conductors, and supercapacitors. Experiments show that a rise of the temperature in a narrow interval may lead to a sudden increase of several orders of magnitude of the conductivity of some materials, a process called a superprotonic transition. Here, we use a novel macro-transport theory for irregular domains to show that the change of entropic restrictions associated with solid-solid phase or structural transitions controls the sudden change of the ionic conductivity when the superprotonic transition takes place. Specifically, we deduce a general formula for the temperature dependence on the ionic conductivity that fits remarkably well experimental data of superprotonic transitions in doped cesium phosphates and other materials reported in the literature. es_ES
dc.description.sponsorship ISH, SIH, CGA and ALD acknowledge financial support from UNAM-DGAPA under grants IN116617, IN117419 and IA104319. V. Compan is grateful to the Ministerio de Economia y Competitividad (MINECO), project reference: ENE/2015-69203-R. SIH is grateful to project LANCAD-UNAM-DGTIC-276. ALD acknowledges DGAPA-UNAM CJIC/CTIC/4692/2019. ISH acknowledges Prof. Vi ' ctor Castano for his hospitality during sabbatical leave in which this work was finished. es_ES
dc.language Inglés es_ES
dc.publisher The Royal Society of Chemistry es_ES
dc.relation.ispartof Physical Chemistry Chemical Physics es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Entropic restrictions control the electric conductance of superprotonic ionic solids es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1039/c9cp05486c es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UNAM//CJIC%2FCTIC%2F4692%2F2019/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UNAM//IN116617/ES/Termodinámica de no equilibrio de sistemas pequeños autoconfinados (continuación)/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UNAM//IN117419/MX/Termodinámica irreversible de sistemas electroquímicos y complejos./ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UNAM/PAPIIT/IA100919/MX/Homogeneización y cálculo de propiedades efectivas de materiales compuestos/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UNAM//LANCAD-UNAM-DGTIC-276/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//ENE2015-69203-R/ES/DESARROLLO Y EVALUACION DE NUEVAS MEMBRANAS POLIMERICAS REFORZADAS CON NANOFIBRAS PARA SU APLICACION EN PILAS DE COMBUSTIBLE CON ELEVADA ESTABILIDAD TERMICA/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Termodinámica Aplicada - Departament de Termodinàmica Aplicada es_ES
dc.description.bibliographicCitation Santamaría-Holek, I.; Ledesma-Duran, A.; Hernández, SI.; García-Alcántara, C.; Andrio, A.; Compañ Moreno, V. (2020). Entropic restrictions control the electric conductance of superprotonic ionic solids. Physical Chemistry Chemical Physics. 22(2):437-445. https://doi.org/10.1039/c9cp05486c es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1039/c9cp05486c es_ES
dc.description.upvformatpinicio 437 es_ES
dc.description.upvformatpfin 445 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 22 es_ES
dc.description.issue 2 es_ES
dc.identifier.pmid 31799568 es_ES
dc.relation.pasarela S\425647 es_ES
dc.contributor.funder Universidad Nacional Autónoma de México es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
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