Výsledky vyhledávání - "Gemma Heras-Juaristi"

Structures, Phase Fields, and Mixed Protonic–Electronic Conductivity of Ba-Deficient, Pr-Substituted BaZr0.7Ce0.2Y0.1O3−δ

Autor: Domingo Pérez-Coll, R. O. Fuentes, Glenn C. Mather, Gemma Heras-Juaristi, Clemens Ritter, Ulises Amador, Adilson Luiz Chinelatto, Julio Romero de Paz, Duncan P. Fagg

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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[EN] The BaZrCeYO-BaPrO perovskite system, of interest for high-temperature electrochemical applications involving mixed protonic-electronic conductivity, forms a solid-solution with a wide interval of Ba substoichiometry in the range Ba(CeZr)PrYO, 0

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46123e69726184676039efebe240b6cf
https://doi.org/10.1021/acs.inorgchem.8b02956

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Thermal evolution of structures and conductivity of Pr-substituted BaZr0.7Ce0.2Y0.1O3−δ: potential cathode components for protonic ceramic fuel cells

Autor: R. O. Fuentes, Julio Romero de Paz, Clemens Ritter, Ulises Amador, Duncan P. Fagg, Gemma Heras-Juaristi, Domingo Pérez-Coll, Glenn C. Mather, Adilson Luiz Chinelatto

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

A complete solid solution forms between the perovskite proton conductor BaZr0.7Ce0.2Y0.1O3-δ (BZCY72) and BaPr0.9Y0.1O3-δ (BPY) on synthesis by the Pechini method and high-temperature annealing. Phase fields of selected members of the Ba(Zr0.7Ce0.2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fccdd8640e4433d0058b423ae05684fc
https://doi.org/10.1039/c7ta09570h

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Effect of sintering conditions on the electrical-transport properties of the SrZrO3-based protonic ceramic electrolyser membrane

Autor: Domingo Pérez-Coll, Glenn C. Mather, Gemma Heras-Juaristi

Publikováno v: Journal of Power Sources. 331:435-444

The effects of sintering temperature and addition of 4 mol.% ZnO as sintering additive on the crystal structure, microstructure and electrical properties of SrZr 0.9 Y 0.1 O 3-δ are reported. The presence of ZnO as sintering aid brings about high de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::078d2edd71162699a101d293ccfbceee
https://doi.org/10.1016/j.jpowsour.2016.09.075

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Phase Transitions, Chemical Expansion, and Deuteron Sites in the BaZr0.7Ce0.2Y0.1O3−δ Proton Conductor

Autor: Glenn C. Mather, Domingo Pérez-Coll, Gemma Heras-Juaristi, Adilson Luiz Chinelatto, R. O. Fuentes, Clemens Ritter, Ulises Amador

Publikováno v: Chemistry of Materials. 28:4292-4299

The crystal structure of the technologically relevant, high-temperature proton conductor BaZr0.7Ce0.2Y0.1O3−δ (BZCY72) has been studied by high-resolution neutron powder diffraction performed on a deuterated sample in the temperature range 10–11

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::826211501d532afb1b4fdced7ce3904e
https://doi.org/10.1021/acs.chemmater.6b01095

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Structures, Phase Fields, and Mixed Protonic-Electronic Conductivity of Ba-Deficient, Pr-Substituted BaZr

Autor: Gemma, Heras-Juaristi, Ulises, Amador, Julio, Romero de Paz, Rodolfo O, Fuentes, Adilson L, Chinelatto, Clemens, Ritter, Duncan P, Fagg, Domingo, Pérez-Coll, Glenn C, Mather

Publikováno v: Inorganic chemistry. 57(23)

The BaZr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::0fa6213379585a45ef4e5d772a1c7dea
https://pubmed.ncbi.nlm.nih.gov/30444118

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Temperature dependence of partial conductivities of the BaZr0.7Ce0.2Y0.1O3-δ proton conductor

Autor: Glenn C. Mather, Domingo Pérez-Coll, Gemma Heras-Juaristi

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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[EN] Partial conductivities are presented for BaZrCeYO, an important proton conductor for protonic-ceramic fuel cells and membrane reactors. Atmospheric dependencies of impedance performed in humidified and dry O, air, N and H(10%)/N(90%) in the temp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99c5fd251635716a5edaf875f33315c0
http://hdl.handle.net/10261/200985

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Methodology for the study of mixed transport properties of a Zn-doped SrZr0.9Y0.1O3d electrolyte under reducing conditions

Autor: Duncan P. Fagg, Gemma Heras-Juaristi, Domingo Pérez-Coll, Glenn C. Mather

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname

[EN] The mixed ionic-electronic transport properties of the protonic ceramic electrolyser material SrZr0.9Y0.1O3-, with the addition of 4mol% ZnO as sintering additive, are analysed under reducing conditions. The study is performed by means of an act

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::493077cbc7f5a390d191c2c7c7f79604
http://hdl.handle.net/10261/200983

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Transport-number determination of a protonic ceramic electrolyte membrane via electrode-polarisation correction with the Gorelov method

Autor: Duncan P. Fagg, Domingo Pérez-Coll, Gemma Heras-Juaristi, Glenn C. Mather

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname

[EN] Analysis of transport numbers is critical for assessing the suitability of an ion-conducting material for a given electrochemical application and the conditions for its employment. In this work, the proton, oxide-ion and electron transport numbe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28fd8330cc2530c37a5e5a63f5850b35
http://hdl.handle.net/10261/200976

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