Journal ArticleDOI
Ionic conductivity of gadolinium-doped barium cerate perovskites
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TLDR
In this article, the ionic transport number of BaCe 1-x Gd x O 3-X 2 (x=0.10) was studied by measurement of the total conductivity versus P O2 and the EMF of oxygen and hydrogen concentration cells.About:
This article is published in Solid State Ionics.The article was published on 1989-07-01. It has received 208 citations till now. The article focuses on the topics: Ionic conductivity & Oxygen transport.read more
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Proton Conductivity: Materials and Applications
TL;DR: In this paper, a review of the proton conductivity in materials and the elements of proton conduction mechanisms are discussed with a special emphasis on proton chemistry, including structural reorganization and diffusional motion of extended moieties.
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Proton-conducting oxides
TL;DR: In this article, the structural and chemical parameters determining the formation and mobility of protonic defects in oxides are discussed, and the paramount role of high-molar volume, coordination numbers, and symmetry are emphasized.
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Chemical stability and proton conductivity of doped BaCeO3–BaZrO3 solid solutions
Kwang Hyun Ryu,Sossina M. Haile +1 more
TL;DR: In this paper, the conductivity and chemical stability of solid solutions between these compounds have been investigated, in an attempt to find a composition exhibiting both high conductivities and good stability.
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Technological development of hydrogen production by solid oxide electrolyzer cell (SOEC)
TL;DR: In this paper, the state-of-the-art solid oxide electrolyzer cell (SOEC) technologies are reviewed and the development of the important steam electrolyzer components, such as the ionic conducting electrolyte and the electrodes, are summarized and discussed.
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Superionics: crystal structures and conduction processes
TL;DR: A review of the state of current knowledge concerning the crystal structures and conduction processes of superionic conductors can be found in this article, where the relative importance of factors such as bonding character and the properties of the mobile and immobile ions in promoting the extensive lattice disorder which characterizes superionic behaviour is assessed and the possibilities for predicting a priori which compounds will display high ionic conductivity discussed.
References
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Journal ArticleDOI
Proton Conduction in Sintered Oxides Based on BaCeO3
TL;DR: In this paper, sintered oxides based on were found to exhibit appreciable proton conduction under hydrogen-containing atmosphere at high temperature, and they were applied to the solid electrolyte for a hydrogen fuel cell, a hydrogen pump, and a steam electrolyzer.
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Doped Ceria as a Solid Oxide Electrolyte
Harry L. Tuller,A. S. Nowick +1 more
TL;DR: In this paper, the conductivity of doped ceria with divalent or trivalent cations is investigated and compared to calcia-stabilized zirconia (CSZ), showing a higher conductivity, lower activation energy (0.76 eV), and absence of polarization effects to lower temperatures.
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Solid electrolytes with oxygen ion conduction
E. C. Subbarao,H. S. Maiti +1 more
TL;DR: In this paper, the defect structure of these materials and the resulting transport properties (electrical conductivity, diffusion and transference number) are discussed as a function of temperature, oxygen partial pressure and composition.
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Relation between proton and hole conduction in SrCeO3-based solid electrolytes under water-containing atmospheres at high temperatures
H. Uchida,N. Maeda,H. Iwahara +2 more
TL;DR: In this paper, the electrical conduction in the solid proton electrolyte based on SrCeO3 was studied under water-containing atmospheres at high temperatures and the change of conductivity was measured systematically as a function of the concentration of the dopant or of the partial pressures of water vapor and oxygen.
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Mixed Electrical Conduction in the Fluorite‐Type Ce1 − x Gd x O 2 − x / 2
T. Kudo,H. Obayashi +1 more
TL;DR: In this article, the authors measured the emf of a galvanic cell within the temperature range between 700° and 800°C as a function of the oxygen partial pressure at which the ionic transference number of the solid solution becomes 0.5.