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US 2012/0055526 A1Published application
Thermoelectric material, and thermoelectric module and thermoelectric device comprising the thermoelectric material
AssigneeSamsung Electronics Co., Ltd.
InventorsJong-soo RHYEE, Sang-mock LEE
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Abstract
A thermoelectric material having a high performance index and a thermoelectric module and a thermoelectric device including the thermoelectric material, and more particularly, to a thermoelectric material having a high Seebeck coefficient, high electrical conductivity, and low thermal conductivity and a thermoelectric module and a thermoelectric device including the thermoelectric material.
Claims20
A thermoelectric material comprising a compound represented by the following formula:
- (A1-aA′a)4-x(B1-bB′b)3-y-zCz
- wherein A is a Group XIII element, and A′ is at least one selected from the group consisting of a Group XIII element, a Group XIV element, a rare earth metal, a transition metal, and combinations thereof, wherein A and A′ are different from each other,
- wherein B is at least one selected from chalcogen elements, and B′ is at least one selected from the group consisting of elements of Groups XIV, XV, XVI, and combinations thereof, wherein B and B′ are different from each other,
- C is at least one selected from halogen elements,
- wherein a is equal to or larger than 0 and less than 1, wherein b is equal to or larger than 0 and less than 1, wherein x is between −1 and 1, wherein y is between −1 and 1, and wherein z is between 0 and 0.5.
2 more elements
A thermoelectric module, comprising:
- a first electrode;
- a second electrode;
- and
- a thermoelectric element disposed between the first electrode and the second electrode;
- wherein the thermoelectric element comprises a thermoelectric material represented by the following formula:
- (A1-aA′a)4-x(B1-bB′b)3-y-zCz
- wherein A is a Group XIII element, and A′ is at least one selected from the group consisting of a Group XIII element, a Group XIV element, a rare earth metal, a transition metal, and combinations thereof, wherein A and A′ are different from each other,
- wherein B is at least one selected from chalcogen elements, and B′ is at least one selected from the group consisting of elements of Groups XIV, XV, XVI, and combinations thereof, wherein B and B′ are different from each other,
- C is at least one selected from halogen elements,
- wherein a is equal to or larger than 0 and less than 1, wherein b is equal to or larger than 0 and less than 1, wherein x is between −1 and 1, wherein y is between −1 and 1, and wherein z is between 0 and 0.5.
7 more elements
A thermoelectric device comprising:
- a heat source;
- and
- a thermoelectric module comprising:
- a thermoelectric element that absorbs heat from the heat source;
- a first electrode disposed to be in contact with the thermoelectric element;
- and
- a second electrode disposed to face the first electrode and be in contact with the thermoelectric element,
- wherein the thermoelectric element comprises a thermoelectric material represented by the following formula:
- (A1-aA′a)4-x(B1-bB′b)3-y-zCz
- wherein A is a Group XIII element, and A′ is at least one selected from the group consisting of a Group XIII element, a Group XIV element, a rare earth metal, a transition metal, and combinations thereof, wherein A and A′ are different from each other,
- wherein B is at least one selected from chalcogen elements, and B′ is at least one selected from the group consisting of elements of Groups XIV, XV, XVI, and combinations thereof, wherein B and B′ are different from each other,
- C is at least one selected from halogen elements,
- wherein a is equal to or larger than 0 and less than 1, wherein b is equal to or larger than 0 and less than 1, wherein x is between −1 and 1, wherein y is between −1 and 1, and wherein z is between 0 and 0.5.
10 more elements
An apparatus, comprising:
- a heat source;
- and
- a thermoelectric device including:
- a first electrode which absorbs heat from the heat source;
- a second electrode disposed substantially opposite the first electrode;
- and
- a thermoelectric material represented by the following formula:
- (A1-aA′a)4-x(B1-bB′b)3-y-zCz
- wherein A is a Group XIII element, and A′ is at least one selected from the group consisting of a Group XIII element, a Group XIV element, a rare earth metal, a transition metal, and combinations thereof, wherein A and A′ are different from each other,
- wherein B is at least one selected from chalcogen elements, and B′ is at least one selected from the group consisting of elements of Groups XIV, XV, XVI, and combinations thereof, wherein B and B′ are different from each other,
- C is at least one selected from halogen elements,
- wherein a is equal to or larger than 0 and less than 1, wherein b is equal to or larger than 0 and less than 1, wherein x is between −1 and 1, wherein y is between −1 and 1, and wherein z is between 0 and 0.5.
9 more elements
A chalcogenide compound represented by the following formula:
- (A1-aA′a)4-x(B1-bB′b)3-y-zCz
- wherein A is a Group XIII element, and A′ is at least one selected from the group consisting of a Group XIII element, a Group XIV element, a rare earth metal, a transition metal, and combinations thereof, wherein A and A′ are different from each other,
- wherein B is at least one selected from chalcogen elements, and B′ is at least one selected from the group consisting of elements of Groups XIV, XV, XVI, and combinations thereof, wherein B and B′ are different from each other,
- C is at least one selected from halogen elements,
- wherein a is equal to or larger than 0 and less than 1, wherein b is equal to or larger than 0 and less than 1, wherein x is between −1 and 1, wherein y is between −1 and 1, and wherein z is between 0 and 0.5.
2 more elements
Dependencies are inferred from the claim text.