Electrocaloric element, a heat transfer system comprising an electrocaloric element and a method of making them
AssigneeCarrier Corporation
InventorJoseph V. Mantese
Life of this patent
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Abstract
A method of making an electrocaloric element includes providing an electrocaloric material, forming a first electrode at a first surface of the electrocaloric material, and forming a second electrode at a second surface of the electrocaloric material. The forming of the first electrode includes, or the forming of the second electrode includes, or the forming of each of the first and second electrodes independently includes modifying the respective first and/or second surface of the electrocaloric material with an electrically conductive surface modification.
Claims14
A method of making an electrocaloric element, comprising:
- providing an electrocaloric material;
- forming a first electrode at a first surface of the electrocaloric material;
- and
- forming a second electrode at a second surface,
- wherein at least one of the first electrode and the second electrode is formed by modifying the respective first surface and second surface of the electrocaloric material with an electrically conductive surface modification;
- wherein the electrically conductive surface modification comprises an atomic or molecular modification of the electrocaloric material at said first surface or second surface or first and second surfaces.
An electrocaloric element, comprising:
- an electrocaloric material;
- a first electrode at a first surface of the electrocaloric material;
- and
- a second electrode at a second surface of the electrocaloric material,
- wherein the first electrode comprises, or the second electrode comprises, or each of the first and second electrodes independently comprises an electrically conductive surface modification of the electrocaloric material;
- wherein the electrically conductive surface modification comprises an atomic or molecular modification of the electrocaloric material at said first surface or second surface or first and second surfaces.
A heat transfer system, comprising:
- an electrocaloric material;
- a first electrode at a first surface of the electrocaloric material;
- a second electrode at a second a surface of the electrocaloric material;
- a first thermal flow path between the electrocaloric material and a heat sink;
- a second thermal flow path between the electrocaloric material and a heat source;
- and
- an electric power source connected to the electrodes,
- wherein the first electrode comprises, or the second electrode comprises, or each of the first and second electrodes independently comprises an electrically conductive surface modification of the electrocaloric material;
- wherein the electrically conductive surface modification comprises an atomic or molecular modification of the electrocaloric material at said first surface or second surface or first and second surfaces.
Dependencies are inferred from the claim text.