Superconducting energy storage device

Abstract

The present disclosure relates to an energy storage device comprising : - at least one superconducting sheet (1) adapted to be coupled to a load in a discharge mode and / or to an energy source in a charge mode, wherein each superconducting sheet comprises a superconducting layer, and at least a groove (104) extending from a first surface (116) of said superconducting sheet into at least the superconducting layer, the pattern of the groove being a space-filling curve; and - at least one electrode (102), preferably two electrodes, for each superconducting sheet, the at least one electrode being coupled to the groove of said superconducting sheet, for example one electrode at each end of the space-filling curve pattern of the groove.

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