Abstract: A phosphate based compound basically comprising —A: exchangeable cations used in charging and discharging, e.g. Li, Na, K, Ag, —B: non-exchangeable cations from the transition metals, group 3-12 of the periodic table of elements, e.g. Fe, Mn, Co, Cr, Ti, V, Cu, Sc, —C: 60 Mol-%-90 Mol-%, preferably 75 Mol-% of the compound being phosphate (PO4)3? anions, where oxygen is or may be partially substituted by a halide (e.g. F, Cl) and/or OH? to a maximum concentration of 10 Mol-% of the oxygen of the anions and wherein said (PO4)3? coordination polyhedra may be partially substituted by one or more of: SiO44 silicate, BO33? borate, CO32? carbonate, H2O water up to a maximum amount of <31 Mol-% of the anions, said compound being in crystalline form and having open elongate channels extending through the unit cell of the structure and with the compound being present either in single crystal form or as an anisotropic microcrystalline or nanocrystalline material.

Abstract: A phosphate based compound basically comprising—A: exchangeable cations used in charging and discharging, e.g. Li, Na, K, Ag, —B: non-exchangeable cations from the transition metals, group 3-12 of the periodic table of elements, e.g. Fe, Mn, Co, Cr, Ti, V, Cu, Sc, —C: 60 Mol-%-90 Mol-%, preferably 75 Mol-% of the compound being phosphate (PO4)3? anions, where oxygen is or may be partially substituted by a halide (e.g. F, Cl) and/or OH? to a maximum concentration of 10 Mol-% of the oxygen of the anions and wherein said (PO4)3? coordination polyhedra may be partially substituted by one or more of: SiO44 silicate, BO33? borate, CO32? carbonate, H2O water up to a maximum amount of <31 Mol-% of the anions, said compound being in crystalline form and having open elongate channels extending through the unit cell of the structure and with the compound being present either in single crystal form or as an anisotropic microcrystalline or nanocrystalline material.

Abstract: The invention relates to a method for producing a composite material, to a composite material produced according to said method and to the use of said material.

Abstract: The invention relates to a method for producing a composite material, to a composite material produced according to said method and to the use of said material.

Abstract: The present invention provides a mixed conducting body, wherein it consists f 98 to 25 mol % of cubic or tetragonal zirconium dioxide, 1.5 to 25 mol % of an oxide stabilizing the zirconium dioxide phase and 0.5 to 50 mol % of at least one oxide of a metal of Group Va and VIa of the Periodic System of Elements and/or titanium dioxide, as well as the usual impurities.This body is outstandingly useful as electrode material for oxygen exchange reactions.

Abstract: The present invention provides a fine-grained ceramic formed body of 0.5 to mole % rare earth oxide and 0.5 to 7 mole % MgO-containing ZrO.sub.2, wherein the cubic granules thereof are coated with Mg-Al spinel particles.The present invention also provides a process for the production of such formed bodies, wherein a ZrO.sub.2 powder alloyed with rare earth oxide, which contains small amounts of Al.sub.2 O.sub.3, is pressed and sintered in the presence of MgO at a temperature of from 1400.degree. to 1600.degree. C. and optionally subsequently tempered at a temperature of from 1200.degree. to 1350.degree. C.

Abstract: A sensor for measuring partial pressures of oxygen with an ion-conducting lid electrolyte of zirconium dioxide as the sensor element, which is arranged between two electrodes for measuring an electrically measurable quantity, is improved so that it is usable at an operating temperature of about 200.degree. C., by providing that the zirconium dioxide as the solid electrolyte is solely in its tetragonal modification and containing an addition of about 2-3 mol % yttrium oxide.