Energy harvesting device (PCT/EP2022/073950) An energy harvesting device for obtaining instantaneous energy from drops without needing of moving the drops along the device, in a reduced scale and combinable with other types of harvesting devices, the energy harvesting device comprising

Device for removing and preventing the formation of ice on surfaces (PCT/ES2022/070383) Disclosed is a device comprising: a piezoelectric or ferroelectric substrate (2) on which ice is deposited; electrodes (3), connected to the substrate (2); a vector network analyser (7),