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Document	Document Title
7465871	Nanocomposites with high thermoelectric figures of merit The present invention is generally directed to nanocomposite thermoelectric materials that exhibit enhanced thermoelectric properties. The nanocomposite materials include two or more components, with at least one of the components formin...
7435896	Thermoelectric conversion material, thermoelectric conversion element using the material, cooling device and electric apparatus using the element, and electric power generation method and cooling method using the element With conventional thermoelectric conversion materials, their thermoelectric conversion performance has been insufficient, and a problem has been to achieve stable performance in an oxidizing atmosphere and an air atmosphere. In view of t...
7417186	Thermoelectric conversion material, thermoelectric conversion element using the same, and electronic apparatus and cooling device comprising the element To provide a thermoelectric conversion material having semiconductor-like temperature dependence, that is, the property that electric resistivity decreases with increasing temperature, and having high thermoelectric performance. The pres...
7365265	Thermoelectric materials comprising nanoscale inclusions to enhance seebeck coefficient A thermoelectric material having enhanced Seebeck coefficient is characterized by a microstructure comprising nanoscale Pb inclusions dispersed in matrix substantially composed of PbTe. The excess Pb is obtained either by adding Pb in an...
7326851	Pb-Ge-Te-compounds for thermoelectric generators or Peltier arrangements A thermoelectrically active p- or n-conductive semiconductor material is constituted by a ternary compound of the general formula (I) (Pb 1-x Ge x )Te (I)
7312392	Thermoelectric conversion device, and cooling method and power generating method using the device The present invention provides a thermoelectric conversion device having high thermoelectric conversion performance. In this device, electrodes are arranged so that electric current flows in an interlayer direction of a layered substance...
RE39640	Conductive isostructural compounds A family of isostructural compounds have been prepared having the general formula A n Pb m Bi n O 2n+m . These compounds possess a NaCl lattice type structure as well as low thermal conductivity and controlled electrical conductivity. Fu...
7179986	Self-assembled quantum dot superlattice thermoelectric materials and devices A thermoelectric (TE) device includes a first leg of TE material (a pseudobinary or pseudoternary alloy) and a second leg comprising a metal wire. The second leg is in thermal and electrical communication with the first leg. The TE devic...
7109408	Solid state energy converter A solid-state energy converter with a semiconductor or semiconductor-metal implementation is provided for conversion of thermal energy to electric energy, or electric energy to refrigeration. In n-type heat-to-electricity embodiments, a ...
7067733	Thermoelectric material having crystal grains well oriented in certain direction and process for producing the same Thermoelectric material is produced through a process sequence including a liquid quenching, a primary solidification such as a hot pressing or extrusion and an upset forging; although the C-planes of the crystal grains are directed in p...
7002071	Thermoelectric conversion material and method of producing the same A thermoelectric conversion material is formed of a polycrystal structure of crystal grains composed of a silicon-rich phase, and an added element-rich phase in which at least one type of added element is deposited at the grain boundary ...
6958443	Low power thermoelectric generator Disclosed is a foil segment for a thermoelectric generator comprising a top plate disposed in spaced relation above a bottom plate. An array of the foil segments is perpendicularly disposed in side-by-side arrangement between and in ther...
6946596	Tunneling-effect energy converters Tunneling-effect converters of thermal energy to electricity with an emitter and a collector separated from each other by a distance that is comparable to atomic dimensions and where tunneling effect plays an important role in the charge...
6759587	Thermoelectric materials, thermoelectric device, and method for producing thermoelectric materials The present invention provides the novel thermoelectric materials having, in combination, processability and excellent thermoelectric characteristics, the thermoelectric materials being able to provide n-type thermoelectric characteristi...
6756536	Thermoelectric microactuator A thermoelectric microactuator on a substrate includes a first temperature control element having a first surface bonded to the substrate and having a second surface. A first electrically nonconductive layer has a first surface bonded to...
6743973	Thermoelectric material improved in figure of merit, process for producing thereof and peltier module using the same Thermoelectric material of (Bi, Sb)(Te, Se) system is produced through a liquid quenching method and an extrusion from a die unit having an inlet portion and an outlet portion crossing each other at 30-150 degrees so that the crystal gra...
6696635	Thermoelectrically cooling electronic devices A thermoelectric cooler utilizing superlattice and quantum-well materials may be deposited directly onto a die using thin-film deposition techniques. The materials may have a figure-of-merit of greater than one.
6677515	High performance thermoelectric material and method of fabrication A thermoelectric material is disclosed that is manufactured from a method including the steps of: providing a Group IV element boride, and doping the Group IV element boride with a doping element chosen from one of the column III, IV, V ...
6653548	Thermoelectric conversion material, method for manufacturing same, and thermoelectric conversion element A cuboid p-type and an n-type thermoelectric conversion material having a composite of an alloy powder for a rare earth magnet and a bismuth-based thermoelectric conversion material that has been rendered a p-type semiconductor or an n-t...
6620994	Thermoelectric generators A thermoelectric module including a couple formed between two bismuth telluride thermoelectrodes. The first thermoelectrode is doped with palladium, selenium, or a combination of the two. The second thermoelectrode is doped with antimony...
6596226	Process for producing thermoelectric material and thermoelectric material thereof A process for producing a thermoelectric material based on two or more elements selected in the group constituted by Bi, Sb, Te and Se, which process comprises: i. an alloying step wherein determined amounts of the elements Bi, Sb, Te o...
6563039	Thermoelectric unicouple used for power generation A high-efficiency thermoelectric unicouple is used for power generation. The unicouple is formed with a plurality of legs, each leg formed of a plurality of segments. The legs are formed in a way that equalized certain aspects of the dif...
6552255	Thermoelectric composition The thermoelectric properties (resistivity, thermopower and thermal conductivity) of single crystals of the low-dimensional pentatelluride materials are disclosed. The pentatellurides are well suited for use in thermoelectric devices. In...
6444896	Quantum dot thermoelectric materials and devices Quantum-dot superlattice (QLSL) structures having improved thermoelectric properties are described. In one embodiment, PbSe x Te 1−x /PbTe QDSLs are provided having enhanced values of Seebeck coefficient and thermoelectric figure of me...
6403875	Process for producing thermoelectric material A process for producing a thermoelectric material comprising mixing at least two of bismuth, tellurium, selenium, and antimony and, if desired, a dopant, melting the mixture, grinding the resulting alloy ingot, forming the powder, and si...
6399871	Thermoelectric materials: ternary penta telluride and selenide compounds Ternary tellurium compounds and ternary selenium compounds may be used in fabricating thermoelectric devices with a thermoelectric figure of merit (ZT) of 1.5 or greater. Examples of such compounds include Tl 2 SnTe 5 , Tl 2 GeTe 5 , K 2...
6384312	Thermoelectric coolers with enhanced structured interfaces A thermoelectric device with enhanced structured interfaces for improved cooling efficiency is provided. In one embodiment, the thermoelectric device includes a first thermoelement comprising a supetlattice of p-type thermoelectric mater...
6342668	Thermoelectric materials with filled skutterudite structure for thermoelectric devices A class of thermoelectric compounds based on the skutterudite structure with heavy filling atoms in the empty octants and substituting transition metals and main-group atoms. High Seebeck coefficients and low thermal conductivities are a...
6340787	Power converter for supplying electricity from a difference in temperature An energy converting circuit, boosting the voltage supplied by a low direct voltage source, comprising a self-oscillating circuit, operating at very low voltage, using a voltage boosting transformer generating control signals of two chop...
6312617	Conductive isostructural compounds A family of isostructural compounds have been prepared having the general formula A n Pb m Bi n Q 2n +m. These compounds possess a NaCl lattice type structure as well as low thermal conductivity and controlled electrical conductivity....
6307143	Thermoelectric materials and thermoelectric conversion element Thermoelectric materials having a high performance index and thermoelectric elements are provided. The present thermoelectric materials are constituted by at least one element selected from the group consisting of Bi and Sb, at least one...
6288321	Electronic device featuring thermoelectric power generation A device for generating power to run an electronic component. The device includes a heat-conducting substrate (composed, e.g., of diamond or another high thermal conductivity material) disposed in thermal contact with a high temperature ...
6274802	Thermoelectric semiconductor material, manufacture process therefor, and method of hot forging thermoelectric module using the same A thermoelectric semiconductor material having sufficient strength and performance and high production yield. The thermoelectric semiconductor material is characterized in that a sintered powder material of a thermoelectric semiconductor...
6225550	Thermoelectric material system An improved material for a thermoelectric device and thermoelectric systems incorporating the same.
6225548	Thermoelectric semiconductor compound and method of making the same A thermoelectric semiconductor compound is provided whose performance index Z is remarkably improved without sacrificing Seebeck coefficient, electrical conductivity or thermal conductivity. The thermoelectric semiconductor compound incl...
6169245	Thermoelectric materials ternary penta telluride and selenide compounds Ternary tellurium compounds and ternary selenium compounds may be used in fabricating thermoelectric devices with a thermoelectric figure of merit (ZT) of 1.5 or greater. Examples of such compounds include Tl 2 SnTe 5 , Tl 2 GeTe 5 , K...
6147293	Process for producing sintered thermoelectric semiconductor and sintered thermoelectric semiconductor A process for producing a sintered thermoelectric semiconductor includes a first step of forming bulk crystals of a thermoelectric semiconductor and a second step of hot extrusion. The second step includes substeps of placing the bulk cr...
6069395	Current leads adapted for use with superconducting coil and formed of functionally gradient material Current leads are used for connecting a power supply placed in a room-temature environment and a superconducting coil placed in an ultralow-temperature environment. The current leads includes a first current lead and a second current lea...
6069312	Thermoelectric materials with filled skutterudite structure for thermoelectric devices A class of thermoelectric compounds based on the skutterudite structure with heavy filling atoms in the empty octants and substituting transition metals and main-group atoms. High Seebeck coefficients and low thermal conductivities are a...
6060657	Lead-chalcogenide superlattice structures A superlattice structure having a relatively high thermoelectric figure of merit and suitable for usage in power generation systems, and in heating and/or cooling applications is described. The superlattice structure includes a first plu...
6013204	Alkali metal chalcogenides of bismuth alone or with antimony A series of alkali metal bismuth or bismuth and antimony, antimony chalcogenides (Te or S) are described. The compounds have a unique combination electrical properties.
5994639	Thermodynamically metastable skutterudite crystalline-structured compounds Thermodynamically metastable skutterudite crystalline-structured compounds are disclosed having preselected stoichiometric compositions and superior and optimizable thermoelectric properties. The compounds are formed at low nucleation te...
5981863	Process of manufacturing thermoelectric refrigerator alloy having large figure of merit Molten thermoelectric alloy expressed as (Bi, Sb) 2 (Te, Se) 3 is rapidly cooled at 10 4 to 10 6 ° K/second so as to crystallize the thermoelectric alloy, and powder of the thermoelectric alloy is hot pressed under the pressure equa...
5900071	Superlattice structures particularly suitable for use as thermoelectric materials A superlattice structure comprising alternating layers of material such as (PbEuTeSe) m and (BiSbn) n where m and n are the number of PbEuTeSe and BiSb monolayers per superlattice period. For one superlattice structure the respective q...
5864087	Thermoelectric device A thermoelectric device is provided which is good in terms of responsibility to heat, by which a relatively large electric power can be produced, which is good in terms of durability, and which can be manufactured at reduced cost. The th...
5814420	Rechargeable positive electrodes Disclosed are positive electrodes containing active-sulfur-based composite electrodes. The cells include active-sulfur, an electronic conductor, and an ionic conductor. These materials are provided in a manner allowing at least about 10%...
5789108	Rechargeable positive electrodes Disclosed are positive electrodes containing active-sulfur-based composite electrodes. The cells include active-sulfur, an electronic conductor, and an ionic conductor. These materials are provided in a manner allowing at least about 10%...
5747418	Superconducting thermoelectric generator An apparatus and method for producing electricity from heat. The present invention is a thermoelectric generator that uses materials with substantially no electrical resistance, often called superconductors, to efficiently convert heat i...
5726381	Amorphous thermoelectric alloys and thermoelectric couple using same Thermoelectric material contains one or more than one element selected from the transition metals and the rare earth metals, and the element promotes the amorphous phase in the thermoelectric material so as to increase the figure of merit.
5717157	Ferroelectric thin film and method of manufacturing the same A ferroelectric thin film includes lead titanate including La and at least an element which forms a six-coordinate bond with oxygen atoms and which is selected from the group consisting of Mg and Mn. The ferroelectric thin film is impart...

Matches 1 - 50 out of 274	1 2 3 4 5 6 >