THERMOELECTRIC GENERATOR AND PRODUCTION METHOD FOR THERMOELECTRIC GENERATOR
First Claim
1. A thermoelectric generator comprising:
- a first electrode and a second electrode opposing each other; and
a stacked body having a first principal face and a second principal face and a first end face and a second end face, the first end face and the second end face being located between the first principal face and the second principal face, and the first electrode and the second electrode being respectively electrically connected to the first end face and the second end face;
the stacked body being structured so that first layers made of a first material and second layers made of a second material are alternately stacked, the first material containing a metal and particles having a lower thermal conductivity than that of the metal, the particles being dispersed in the metal, and the second material having a higher Seebeck coefficient and a lower thermal conductivity than those of the first material;
planes of stacking between the first layers and the second layers being inclined with respect to a direction in which the first electrode and the second electrode oppose each other, whereina potential difference occurs between the first electrode and the second electrode due to a temperature difference between the first principal face and the second principal face.
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Abstract
An exemplary thermoelectric generator disclosed herein includes: a first electrode and a second electrode opposing each other; and a stacked body having a first end face and a second end face. The stacked body is structured so that first layers made of a first material and second layers made of a second material are alternately stacked, the first material containing a metal and particles having a lower thermal conductivity than that of the metal, the particles being dispersed in the metal, and the second material having a higher Seebeck coefficient and a lower thermal conductivity than those of the first material. Planes of stacking between the first layers and the second layers are inclined with respect to a direction in which the first electrode and the second electrode oppose each other.
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Citations
20 Claims
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1. A thermoelectric generator comprising:
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a first electrode and a second electrode opposing each other; and a stacked body having a first principal face and a second principal face and a first end face and a second end face, the first end face and the second end face being located between the first principal face and the second principal face, and the first electrode and the second electrode being respectively electrically connected to the first end face and the second end face; the stacked body being structured so that first layers made of a first material and second layers made of a second material are alternately stacked, the first material containing a metal and particles having a lower thermal conductivity than that of the metal, the particles being dispersed in the metal, and the second material having a higher Seebeck coefficient and a lower thermal conductivity than those of the first material; planes of stacking between the first layers and the second layers being inclined with respect to a direction in which the first electrode and the second electrode oppose each other, wherein a potential difference occurs between the first electrode and the second electrode due to a temperature difference between the first principal face and the second principal face. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 17, 18, 19, 20)
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14. A production method for a thermoelectric generator comprising:
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step (A) of providing;
a plurality of first compacts having a pair of planes of stacking and a first side face and a second side face being located between the pair of planes of stacking and not perpendicular to the pair of planes of stacking, the plurality of first compacts being made of a source material for a first material which contains a metal and particles having a lower thermal conductivity than that of the metal, the particles being dispersed in the metal; and
a plurality of second compacts having a pair of planes of stacking and a first side face and a second side face being located between the pair of planes of stacking and not perpendicular to the pair of planes of stacking, the plurality of second compacts being made of a source material for a second material having a higher Seebeck coefficient and a lower thermal conductivity than those of the first material;step (B) of forming a multilayer compact by alternately stacking the plurality of first compacts and the plurality of second compacts so that the respective planes of stacking are in contact with each other; and step (C) of sintering the multilayer compact. - View Dependent Claims (15)
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Specification