Patent classifications
H10N10/853
Thermoelectric leg and thermoelectric element comprising same
According to one embodiment of the present invention, a thermoelectric leg comprises: a thermoelectric material layer comprising Bi and Te; a first metal layer and a second metal layer respectively arranged the thermoelectric material layer; a first adhesive layer arranged between the thermoelectric material layer and the first metal layer and comprising the Te, and a second adhesive layer arranged between the thermoelectric material layer and the second metal layer and comprising the Te; and a first plating layer arranged between the first metal layer and the first adhesive layer, and a second plating layer arranged between the second metal layer and the second adhesive layer, wherein the thermoelectric material layer is arranged between the first metal layer and the second metal layer, the amount of the Te is higher than the amount of the Bi in the thermoelectric material layer.
MG-SB-BASED THERMOELEMENT, PREPARATION METHOD AND APPLICATION THEREOF
Provided by the present invention is a magnesium-antimony-based (Mg—Sb-based) thermoelenient, preparation method and application thereof. The Mg—Sb-based. thermoelement comprises: a substrate layer of a Mg—Sb-based. thermoelectric material positioned in the center of the thermoelement, transitional layers that are attached to the two surfaces of the substrate layer, and two electrode layer that are respectively attached to the surfaces of the two transitional layers; the transitional layers are made of a magnesium-copper alloy and/or magnesium-aluminum alloy, and the electrode layer is made of copper. The transitional layer and the electrode layer which are developed in the present invention and which are suitable for a Mg—Sb-based thermoelectric material have great significance and prospects in application. The electrode layer enable the Mg—Sb-based thermoelectric material to have an opportunity to enter the market and realize commercialization. Compared with the existing bismuth telluride thermoelectric devices in the market, the thermoelectric device prepared has lower costs, may simultaneously save the rare element tellurium, and is beneficial in saving energy and protecting the environmental.
Power harvesting for integrated circuits
Integrated circuit devices which include a thermoelectric generator which recycles heat generated by operation of an integrated circuit, into electrical energy that is then used to help support the power requirements of that integrated circuit. Roughly described, the device includes an integrated circuit die having an integrated circuit thereon, the integrated circuit having power supply terminals for connection to a primary power source, and a thermoelectric generator structure disposed in sufficient thermal communication with the integrated circuit die so as to derive, from heat generated by the die, a voltage difference across first and second terminals of the thermoelectric generator structure. A powering structure is arranged to help power the integrated circuit, from the voltage difference across the first and second terminals of the thermoelectric generator. The thermoelectric generator can include IC packaging material that is made from thermoelectric semiconductor materials.
Superlattice thermoelectric material and thermoelectric device using same
The present disclosure relates to a thermoelectric material, and more specifically to a superlattice thermoelectric material and a thermoelectric device using the same. The superlattice thermoelectric material has a composition of a following Chemical Formula 1:
(AX).sub.n(D.sub.2X′.sub.3).sub.m ,<Chemical Formula 1> wherein, in the Chemical Formula 1, A is at least one of Ge, Sn, and Pb, X is a chalcogen element, and at least one of S, Se, and Te, D is at least one of Bi and Sb, each of n and m is an integer between 1 and 100, and A or X is at least partially substituted with a dopant.
Radiation Powered High Dose Rate And High Dose Radiation Sensor
The present invention provides apparatuses comprising a plurality of junctions providing a Seebeck effect, configured as alternating hot and cold junctions. The apparatus can be configured such that the cold junctions exhibit a different thermal behavior than the hot junctions in response to incident radiation. The junctions can be connected in series, such that the sum of the Seebeck effect from the plurality of junctions provides a sensitive, inherently calibrated indication of heating of the apparatus responsive to incident radiation, and therefore of the radiation itself.
Thermoelectric conversion material, thermoelectric conversion module, and method for manufacturing thermoelectric conversion material
A thermoelectric conversion material having a high dimensionless figure of merit ZT includes: a large number of polycrystalline grains which include a skutterudite-type crystal structure containing Yb, Co, and Sb; and an intergranular layer which is between the neighboring polycrystalline grains and includes crystals in which an atomic ratio of O to Yb is more than 0.4 and less than 1.5. A method for manufacturing a thermoelectric conversion material includes: a weighing step; a mixing step; a ribbon preparation step by rapidly cooling and solidifying a melt of the raw materials by using a rapid liquid cooling solidifying method; a first heat treatment step including heat treating in an inert atmosphere with an adjusted oxygen concentration; a second heat treatment step including heat treating in a reducing atmosphere; and manufacturing the thermoelectric conversion material by a pressure sintering step in an inert atmosphere.
ZrCoBi based half Heuslers with high thermoelectric conversion efficiency
A method of thermoelectric power generation by converting heat to electricity via the use of a ZrCoBi-based thermoelectric material, wherein a thermoelectric conversion efficiency of the ZrCoBi-based thermoelectric material is greater than or equal to 7% at a temperature difference of up to 800 K.
ZrCoBi based half Heuslers with high thermoelectric conversion efficiency
A method of thermoelectric power generation by converting heat to electricity via the use of a ZrCoBi-based thermoelectric material, wherein a thermoelectric conversion efficiency of the ZrCoBi-based thermoelectric material is greater than or equal to 7% at a temperature difference of up to 800 K.
Thermoelectric Material, Method for Producing Same, and Thermoelectric Power Generation Element
Provided are a thermoelectric material having excellent thermoelectric characteristics at room temperature; a method for producing same; and a thermoelectric power generation element. In an embodiment of the present invention, the thermoelectric material contains an inorganic compound containing magnesium (Mg), silver (Ag), antimony (Sb) and copper (Cu), and is represented by the formula Mg.sub.1−aCu.sub.aAg.sub.bSb.sub.c, and the parameters a, b and c satisfy: 0<a≤0.1, 0.95≤b≤1.05 and 0.95≤c≤1.05. The inorganic compound may be an a phase of a half-Heusler structure and have the symmetry of the space group I-4c2.
Thermoelectric Material, Method for Producing Same, and Thermoelectric Power Generation Element
Provided are a thermoelectric material having excellent thermoelectric characteristics at room temperature; a method for producing same; and a thermoelectric power generation element. In an embodiment of the present invention, the thermoelectric material contains an inorganic compound containing magnesium (Mg), silver (Ag), antimony (Sb) and copper (Cu), and is represented by the formula Mg.sub.1−aCu.sub.aAg.sub.bSb.sub.c, and the parameters a, b and c satisfy: 0<a≤0.1, 0.95≤b≤1.05 and 0.95≤c≤1.05. The inorganic compound may be an a phase of a half-Heusler structure and have the symmetry of the space group I-4c2.