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Showing papers in "Solid State Ionics in 1981"


Journal ArticleDOI
TL;DR: In this article, sintered oxides based on SrCeO3 were found to exhibit proton conduction on exposing them to a hydrogen-containing atmosphere at high temperature.

1,136 citations



Journal ArticleDOI
TL;DR: In this paper, a new system Li x CoO 2 (0 x ⩽1) has been prepared by electrochemical extraction of lithium from the parent LiCoO 2 ordered-rocksalt structure.

536 citations


Journal ArticleDOI
TL;DR: In this paper, the crystal structure, mechanical properties, electrical conductivity, and performance as solid electrolyte were investigated before and after ageing at low temperature for the system ZrO 2 Y 2 O 3 containing from 4.5 to 6.0 mole% Y 2 O3.

484 citations


Journal ArticleDOI
TL;DR: In this paper, the Li 2 S-P 2 S 5 -LiI system with the ratio Li 2 s/P 2 s 5 = 2 was shown to lower the glass transition temperature but does not break the P 2 S −4 7 units at 25°C and Tg at the boundary of the glassy region.

318 citations


Journal ArticleDOI
TL;DR: In this paper, the authors studied the conductivity of the oxygen-ion conductivity solid electrolyte system CeO2:Y2O3 as a function of temperature and dopant concentration.

313 citations


Journal ArticleDOI
TL;DR: In this article, the ionic conductivity of dilute CeO 2 :M 2 O 3 solid solutions has been investigated for four different dopants M 3+, viz., La 3+, Gd 3+, Y 3+, and Sc 3+.

216 citations


Journal ArticleDOI
TL;DR: In this article, high-temperature solid oxide electrolyte (HTSOE) cells have been used for cogeneration systems, which can convert electrical energy into chemical energy (electrolysis).

212 citations


Journal ArticleDOI
TL;DR: In this paper, several new polymer electrolyte systems are discussed which contain flexible polymer backbones and high concentrations of polar groups, which not only promote ion transport but also are important for the initial formation of polymer-salt complexes.

122 citations


Journal ArticleDOI
TL;DR: In this paper, a new solid solution is presented which is defined by the end compounds NaZr2P3O12 and Na4ZrSi3O10, these compounds are stable with molten sodium and have a sodium ion conductivity comparable to the best materials available today.

118 citations


Journal ArticleDOI
TL;DR: In this article, high oxygen conductivities can be achieved in cation ordered LnxZrl-x=xO2-l/2x (Ln=Gd, Nd) solid solutions with pyrochlore (P) structure.

Journal ArticleDOI
TL;DR: In this paper, a vibrational assignment in terms of bridging and non-bridging sulfur has been made and the electrical conductivity of these glasses has been measured over a range of temperature (−20−150°C) and composition by the complex-impedance diagram method.

Journal ArticleDOI
TL;DR: In this paper, the processing and properties of Nasicon ceramic electrolytes are described for processes involving the mechanical mixing of powder components, gel formation, hot-pressing, and hot-gas isostatic pressing (HIP).

Journal ArticleDOI
TL;DR: In this article, selected lithium insertion compounds of some transition metal oxides have been synthesised and characterised in structural and thermodynamic terms, and rates of lithium transport in the ternary oxide phases, Li x MO n, have been estimated by current pulse relaxation methods.

Journal ArticleDOI
TL;DR: In this article, a phase diagram of the hydration number of dodecamolybdophophophosphoric acid, H3Mo12PO40ṡmH2O, and dodecatungstophosphorus acid is presented in the phase diagrams.

Journal ArticleDOI
TL;DR: In this paper, a review of dielectric relaxation, AC conductivity, ultrasonic attenuation, complex impedance, internal friction and spin-relaxation measurements on Naβ-alumina and their model interpretation is presented.

Journal ArticleDOI
TL;DR: In this paper, conductivity measurements on a number of lithium salt-poly(ethylene oxide) (PEO) complex polymer electrolytes have been correlated with the results of D.S.A.C. analysis.

Journal ArticleDOI
TL;DR: In this article, the authors investigated the redox stability domain of polymer solid electrolytes (polyther-salt complexes) using cyclic voltammetry and found that the macromolecular backbone was remarkably inert, and the stability range was mainly limited by the anion of the dissolved salt.

Journal ArticleDOI
D.K. Hohnke1
TL;DR: In this article, the dependence of ionic transport on temperature and defect concentration in all oxides M(D)O 2−x is shown to be quantitatively consistent with the existence of vacancies in three energy states: (i) isolated, (ii) associated, and (iii) deeply trapped.


Journal ArticleDOI
TL;DR: In this article, a review is given of the last results in the field of fluorite-ion conductors with fluorite type (or related) structure. The results obtained are discussed.

Journal ArticleDOI
TL;DR: In this paper, the results of ac and dc conductivity measurements on Li2ZrO3, Li4ZRO4, and LiScO2 showed that these phases are Li ion conductors, and they are among the small group of ternary oxides which may be thermodynamically stable against Li.

Journal ArticleDOI
TL;DR: In this article, conductivities for AgX (X = I, Br, CL) associated with various vitreous supports (AgPO3, AgPS3 and AgAsS2, Ag4AS5) are compared.

Journal ArticleDOI
TL;DR: In this article, the ionic conductivity of single crystals of the fluorite-structured solid solutions Ba1−xLaxF2+x(10−3 <×<0.45) has been studied as a function of temperature and composition in the range 300-900 K.

Journal ArticleDOI
TL;DR: In this article, a theoretical model is proposed to describe the abrupt transition, induced by an electric field, of a cation sublattice in the ionic crystal bulk, as a result of which the crystal passes into the superionic conductivity state.

Journal ArticleDOI
TL;DR: In this paper, the ReO3 structure and shear structures derived from it have been lithiated using n-BuLi lithium in two new hexagonal compositions LiReO3 and Li2FeV3O8 by a simple twist of the structure.

Journal ArticleDOI
TL;DR: In this article, the conditions leading to optimum conductivity of the Bi2O3Ln 2O3 system were investigated and the highest conductivity was found for Ln = Er or Tm.

Journal ArticleDOI
TL;DR: A series of perovskite-type compounds Ln 1−x M ∗ x MO 3 (0 x ∗ : alkaline-earth metal, M: Co or Cr) were synthesized for the electrode materials of high-temperature solid electrolyte fuel cells as mentioned in this paper.

Journal ArticleDOI
TL;DR: Hexagonal WO3 can also be synthesized by oxidation of hexagonal ammonium tungsten bronze using aqueous hydrogen peroxide as discussed by the authors, where the initial product is a fully oxidized hexagonal structure which contains ammonium cations.

Journal ArticleDOI
TL;DR: In this paper, a unique model was determined for the mobile copper ion disorder in hexagonal Cu/sub 2/S between 120/sup 0/ and 325/Sup 0/C via single crystal neutron diffraction.