Rutgers, the State University of New Jersey

Chemionic Technologies

Lisa C Klein

Bernard H Kear

George H Sigel

Sandra Mege

Christopher D Haines

Ravi R Chandran

Varadh Ranganathan

An electrochemical cell that receives an inlet stream of air and produces an outlet stream of a high oxygen concentration of gas. The cell is made up of a plurality of layers and preferably a porous electrolyte comprised of yttria stabilized zirconia (YSZ) that allows only oxygen ions to pass therethrough and which is covered on its sides with electrodes comprised of lanthanum strontium manganate (LSM) which in turn are coated with a layer of platinum to aid in the even distribution of the electrical current. An electrical current is passed through the electrodes to produce a voltage difference therebetween. The layers of YSZ and LSM are formed by a sol-gel process.

Sol-gel fabrication of thin-film electrolyte in an oxygen generator

A new class of nanostructured RE-doped SiO-base materials that display superior fluorescence properties is provided. In particular, high gain combined with a broad and flat spectral band width is observed in material composed of a high fraction of a nano-dispersed metastable silicate phase in a glassy SiOmatrix, produced by partial devitrification (crystallization) of several glassy AlO/ErO- and YO/ErO-doped SiOcompositions. Also, a highly deconvoluted spectral emission, with several prominent peaks, is observed in completely devitrified material, consisting of a uniform nano-dispersion of an equilibrium silicate phase in a crystobalite SiOmatrix. Such enhanced fluorescence properties were observed in heat treated nanopowders prepared by vapor-phase, solgel, rapid solidification, and spray-pyrolysis methods.

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Metuchen, NJ, United States of America

Lisa C Klein