DEVICE FOR CONVERTING THERMAL ENERGY INTO ELECTRICAL ENERGY
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United States of America Patent
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Issued Date -
Nov 2, 2023
app pub date -
Jul 22, 2021
filing date -
Jul 27, 2020
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Abstract
A device for converting thermal energy into electrical energy has a first and second layer of thermally conductive material, and an intermediate layer of polymer material arranged between the first and second layers and having a thermal conductivity lower than the first and the second layers. A plurality of channels in which a colloidal suspension of active particles is contained is arranged inside the intermediate layer, the colloidal suspension being capable of flowing along each of the channels as a result of a temperature gradient applied between the first and second layers. Pick-up elements arranged along the channels are configured to extract electrostatic force or electromotive force induced as a response to a flow of the colloidal fluid as a result of at least one among a pyroelectric effect, a triboelectric effect, and thermomagnetic advection. Each channel forms a closed loop and has an outgoing branch and a return branch.
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