High power density thermoelectric systems
First Claim
Patent Images
1. A thermoelectric system comprising:
- a plurality of thermoelectric modules; and
a plurality of first and second heat transfer devices, at least some of the first heat transfer devices sandwiched between at least two thermoelectric modules, and at least some of the second heat transfer devices sandwiched between at least two thermoelectric modules, so as to form at least one stack of thermoelectric modules with alternating first and second heat transfer devices, wherein at least some of the first heat transfer devices and at least some of the second heat transfer devices project away from the at least one stack in differing direction, and wherein at least some of the first or second heat transfer devices are arranged to provide thermal isolation in the direction of a working medium movement.
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Abstract
A number of compact, high-efficiency and high-power density thermoelectric systems utilizing the advantages of thermal isolation are described. Such configurations exhibit high system efficiency and power density. Some configurations exhibit a substantial reduction in the amount of thermoelectric material required.
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Citations
30 Claims
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1. A thermoelectric system comprising:
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a plurality of thermoelectric modules; and
a plurality of first and second heat transfer devices, at least some of the first heat transfer devices sandwiched between at least two thermoelectric modules, and at least some of the second heat transfer devices sandwiched between at least two thermoelectric modules, so as to form at least one stack of thermoelectric modules with alternating first and second heat transfer devices, wherein at least some of the first heat transfer devices and at least some of the second heat transfer devices project away from the at least one stack in differing direction, and wherein at least some of the first or second heat transfer devices are arranged to provide thermal isolation in the direction of a working medium movement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A thermoelectric system comprising:
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a plurality of the electric modules; and
a plurality of first heat transfer devices and a plurality of second heat transfer devices, at least some of the first heat transfer devices sandwiched between at least two thermoelectric modules, and at least some of the second heat transfer devices sandwiched between at least two thermoelectric modules, so as to form at least one stack of thermoelectric modules with alternating first and second heat transfer devices, wherein at least some of the first heat transfer devices and at least some of the second heat transfer devices project away from the at least one stack and wherein at least the first or second heat transfer devices accept at least one medium, the medium being a liquid and/or a solid. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A thermoelectric system comprising:
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a plurality of thermoelectric modules, wherein at least some of the thermoelectric modules are sized to provide high power density operation; and
a plurality of first heat transfer devices and a plurality of second heat transfer devices, at least some of the first heat transfer devices sandwiched between at least two of the thermoelectric modules, and at least some of the second heat transfer devices sandwiched between at least two of the thermoelectric modules, so as to form a stacked configuration of thermoelectric modules with alternating first and second heat transfer devices, wherein at least some of the plurality of thermoelectric modules are N-type thermoelectric elements and at least some of the thermoelectric modules are P-type thermoelectric elements, wherein at least some of the N-type and or P-type thermoelectric elements are between 5 microns and 1.2 millimeters thick with relatively large ratio of area to the length in the direction of current flow of the thermoelectric elements. - View Dependent Claims (22, 23, 24, 25, 26)
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27. A thermoelectric system comprising:
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a plurality of the thermoelectric modules, wherein at least some of the thermoelectric modules are sized to provide high power density operation; and
a plurality of first heat transfer devices and a plurality of second heat transfer devices, at least some of the first heat transfer devices sandwiched between at least two of the thermoelectric modules, and at least some of the second heat transfer devices sandwiched between at least two of the thermoelectric modules, so as to form a stacked configuration of thermoelectric modules with alternating first and second heat transfer devices, wherein at least some of the first or second heat transfer devices are arranged to provide thermal isolation in the direction of a working medium flow.
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28. A thermoelectric system comprising:
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a plurality of thermoelectric modules, wherein at least some of the thermoelectric modules are sized to provide high power density operation;
a plurality of first heat transfer devices and a plurality of second heat transfer devices, at least some of the first heat transfer devices sandwiched between at least two of the thermoelectric modules, and at least some of the second heat transfer devices sandwiched between at least two of the thermoelectric modules, so as to form a stacked configuration of thermoelectric modules with alternating first and second heat transfer devices; and
a current source electrically coupled to the stack, the current traversing through the heat transfer devices and thermoelectric modules in series.
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29. A thermoelectric system comprising:
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a plurality of the thermoelectric modules, wherein at least some of the thermoelectric modules are sized to provide high power density operation; and
a plurality of first heat transfer devices and a plurality of second heat transfer devices, at least some of the first heat transfer devices sandwiched between at least two of the thermoelectric modules, and at least some of the second heat transfer devices sandwiched between at least two of the thermoelectric modules, so as to form a stacked configuration of thermoelectric modules with alternating first and second heat transfer devices, wherein at least some of the plurality of thermoelectric modules are N-type thermoelectric elements and at least some of the thermoelectric modules are P-type thermoelectric elements, wherein the heat transfer devices thermally isolate a least some of the P-type thermoelectric elements from at least some of the N-type thermoelectric elements.
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30. A thermoelectric system comprising:
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a plurality of thermoelectric modules, wherein at least some of the thermoelectric modules are sized to provide high power density operation; and
a plurality of first heat transfer devices and a plurality of second heat transfer devices, at least some of the first heat transfer devices sandwiched between at least two of the thermoelectric modules, and at least some of the second heat transfer devices sandwiched between at least two of the thermoelectric modules, so as to form a stacked configuration of thermoelectric modules with alternating first and second heat transfer devices, wherein at least some of the first heat transfer devices are constructed of an electrode portion electrically isolated from and thermally coupled to a shunt portion.
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Specification