Patent ID: 6690567
Filing Date: 2004-02-10
Classification: H01G,Y10T

Abstract:
A method of capactively storing energy at cryogenic temperatures, comprising:providing at least one capacitive energy storage device, wherein: said at least one capacitive energy storage device comprises a plurality of electrode layers and a plurality of dielectric layers; respective ones of said dielectric layers are interposed between a selected pair of said plurality of electrode layers; said dielectric layers comprise a combination of materials as follows PbMgxNbyOz+SrTiO3; said plurality of electrode layers are formed from an electrically conductive material; maintaining said at least one capacitive energy storage device at a cryogenic temperature between about 60 to about 150 K; and applying an electric field to said at least one capacitive energy storage device such that said capacitive energy storage device stores electrical energy.