Abstract: There is provided a novel heat regenerating element having an excellent heat regenerating property which can accumulate thermal energy and effectively radiate the accumulated thermal energy to various objects. The present invention further provides a heat regenerating material including the heat regenerating element. The heat regenerating element of the present invention includes: 100 parts by weight of a base component composed of 60 to 90 parts by weight of a hydrotalcite compound and a remnant including at least one of zinc oxide and electrically-conductive zinc oxide; and 0.5 to 1 parts by weight of at least one heat regeneration enhancing component selected from a group of zirconium oxide components and zirconium carbide components.

Abstract: An apparatus having a composite space-based structure with a first carbon nanotube infused material and a second carbon nanotube infused material. The first and second carbon nanotube infused materials each having a range of carbon nanotube loading selected to provide different functionalities.

Abstract: A method for cooling an internal combustion engine using a reduced toxicity, ethylene glycol and water based heat transfer fluid is provided. A heat transfer fluid is formulated comprising water and a glycol component consisting of ethylene glycol and either propylene glycol or glycerol. Propylene glycol may be provided in an amount between 5% to less than 30% of the total weight of the glycol component. Glycerol may be provided in an amount between 5% to 20% of the total weight of the glycol component. The glycol component is less toxic than 10,000 mg/kg on an acute LD50(rat) oral toxicity basis. The water comprises between 40% and 70% by weight of the total weight of the heat transfer fluid. The cooling system of the internal combustion engine is substantially filled with the heat transfer fluid such that the heat transfer fluid absorbs heat that is produced by the internal combustion engine and releases the absorbed heat to the atmosphere.

Abstract: This invention relates to a heat control system for dissipating heat generated from for example electronic equipment, and more specifically to an effective heat-emitting material which can drastically improve not only heat diffusion in the planar direction but also heat conductivity in the perpendicular direction by filling the pores of exfoliated graphite sheets with amorphous carbon particles, and to a method of manufacturing the same. The amorphous carbon particles are thermally isotropic, and have a structure composed of microcrystals of graphite and diamond and preferably have a size of 10˜110 nm.

Abstract: Fluids comprising graphite particles and related methods are generally described. In some embodiments, “microfluids” are described. Generally, the microfluids can comprise a fluid and a plurality of graphite particles with microscale dimensions.

Abstract: A new blood unit cooling system was designed to cool blood rapidly to about 22° C. and maintain it at about that temperature, even in ambient temperature extremes, for several hours. The system incorporating a preferred eutectic solution including 98% 1-dodecanol, 1.5% myristyl alcohol and 0.5% 1-decanol (having a melting point of about 23° C.) contained in a sealed flexible polymer layer, was used to cool whole blood-filled bags. The preferred design used double-layered transparent polyethylene, with two sealed compartments filled with the solution, separated by a flattened and sealed portion between them. One of the two sealed compartments contacts one side of the blood bag and the other compartment is folded over to contact the other side of the blood bag. The transparent compartments allows an operator to verify at any time whether the solution is in a solid state, and the flexibility of the compartments eases the proper positioning of them around a blood bag.

Abstract: The present disclosure generally relates to methods and systems for forming phase change material composites and to the thus formed phase change material composites. In some examples, a method for forming a phase change material (PCM) composite may include dispersing nanowire material in a nonpolar solvent to form a nanowire-solvent dispersion, adding a PCM to the nanowire-solvent dispersion to form a nanowire-solvent-PCM dispersion, heating the nanowire-solvent-PCM dispersion, and removing the solvent.

Abstract: A temperature control medium is formed of a liquid and solid particles, the solid particles containing carbon particles. The amount of carbon in the temperature control medium is preferably less than 20% by weight. The carbon particles may contain synthetic graphite, natural graphite, soot, carbon fibers, graphite fibers or expanded graphite or a mixture of at least two of these elements.

Abstract: Embodiments of the invention are directed to doped pnictogen chalcogenide nanoplates, where each nanoplate comprises a rhombohedral crystal of Bi2Te3, Bi2Se3, or Sb2Te3 that is sulfur doped. Another embodiment of the invention is directed to a microwave activated method of preparation of the doped pnictogen chalcogenide nanoplates. Other embodiments of the invention are directed to bulk assemblies or fused films of the doped pnictogen chalcogenide nanoplates and their preparation from the doped pnictogen chalcogenide nanoplates such that the bulk assembly or fused film can be employed in a thermoelectric device.

Abstract: A composition of matter comprising a plurality of nanoparticles in a non-conductive binder, wherein, the type of nanoparticles form isolated parallel electrically and thermally conductive columns when cured in the presence of the magnetic field. Also wherein the plurality of nanoparticles are Paramagnetic or Ferromagnetic magnetic. Wherein the nano particles are coated, and of a particular shape. Wherein the particles are selected from the group consisting of; Al, Pt, Cr, Mn, crown glass, Fe, Ni, and Co, Ni—Fe/SiO2, Co/SiO2, Fe—Co/SiO2, Fe/nickel-ferrite, Ni—Zn-ferrite/SiO2, Fe—Ni/polymer, Co/polymer, ferrites, iron oxide and any combination and alloy thereof, and the Binder selected from the group consisting of; epoxies, polyurethanes, polyimides, polymeric materials, silicones, adhesives, acrylates, the UV curable modifier and any combination thereof.

Abstract: The object of this invention is to provide columnar zinc oxide particles that are free from breaking or collapsing of a form when they are incorporated into, and mixed with, a resin and that can impart sufficient thermal conductivity or electrical conductivity. This invention provides zinc oxide particles represented by the following formula (1), ZnMn+xO1+nx/2-aH2O??(1) wherein Mn+ is a trivalent or tetravalent metal, x and “a” satisfy 0.002<x<0.05 and 0.05?a<0.5, respectively, and having a columnar particle content of 80% or more.

Abstract: Specific fluid, which is a site of energy conversion, characterized in that it comprises water, strongly scattering mineral powder, in general calcium carbonate, antifreeze and/or a colorant, a surfactant and an antifoam, the powder having a concentration by mass of between 1% and 3% and a median particle size of between 0.8 and 10 ?m.

Abstract: Compositions comprising are provided wherein RF is a fluorine containing moiety comprising (CF3)2CFCH2(CF3)CH—, (CF3)2CFCH2((CF3)2CF)CH—, (CF3)2CFCH2((CF3)2CH)CH—, (CF3)2CHCH2((CF3)2CF)CH—, ((CF3)2CFCH2)2CH—, (CF3)2CFCH2CF—, (CF3)2CF—, (CF3)2CH—, CF3—, or CnF2n+1—, n being an integer from 2 to 20; R1 is F or H; R2 comprises (CF3)2CF—, (CF3)2CH—, CF3—, F, or H; and R3 comprises (CF3)2CF—, (CF3)2CH—, CF3—, F, or H, such compositions can produced according to processes, and utilized to prevent combustion utilizing systems.

Abstract: The present invention relates to a catalyst composition for the synthesis of thin multi-walled carbon nanotube(MWCNT). More particularly, this invention relates to a multi-component metal catalyst composition comprising i) main catalyst of Co and Al, ii) inactive support of Mg and iii) optional co-catalyst at least one selected from Ni, Cr, Mn, Mo, W, Pb, Ti, Sn, or Cu. Further, the present invention affords thin multi-walled carbon nanotube having 5˜20 nm of diameter and 100˜10,000 of aspect ratio in a high yield.

Abstract: The present invention is directed to a heat transfer system comprising a heat transfer fluid. The heat transfer fluid comprising non-buffered propylene glycol, and at least one propylene glycol soluble additive selected from the group consisting of a molybdate salt, a nitrate compound and an azole compound.

Abstract: The present invention relates to a catalyst composition for preparing carbon nanotube containing multi-component support materials of amorphous Si, Mg and Al as well as a bulk scale preparation process for preparing carbon nanotube using said catalyst composition. More specifically, this invention relates to a process for preparing carbon nanotube using the catalyst composition comprising a transition metal catalyst and support materials of amorphous Si, Mg and Al.

Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of Z-1,1,1,4,4,4-hexafluoro-2-butene with ethanol, 2-chloro-3,3,3-trifluoropropene, methanol, E-1,1,1,4,4,5,5,5-octafluoro-2-pentene, 2-bromo-3,3,3-trifluoropropene, methyl acetate, acetone, chloroform, n-hexane or 1-chloro-3,3,3-trifluoropropene. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media.

Abstract: Several systems of low melting point mixtures of inorganic salts are disclosed. These compositions can have liquidus temperatures less than 80° C. and thermal stability limits greater than 500° C.

Abstract: A transportable PCM (phase change material) module comprises anumber of PCM packs; a housing for thermally insulting said number of PCM packs from a module's surrounding medium; spaces separating said packs and forming one or more channels for the flow of a fluid; said housing incorporating a fluid inlet and a fluidoutlet; whereby, in use, fluid flows through said channels from said inlet to said outlet.A PCM (phase change material) pack comprises a laminate of a first conducting panel and a second conducting panel enclosing a portion formed primarily of PCM; wherein said portion of PCM incorporates thermal conductors. A PCM (phase change material pack) comprises an envelope of relatively highly thermally conductive material enclosing a portion formed primarily of PCM; wherein said PCM portion incorporates a conductive compound mixed into said PCM which comprises carbon black particles.

Abstract: A composition with heat dissipation performance of ceramics includes ceramic particles that take a weight percentage of substantially 25%-90% of the composition, have a particle size substantially between 10-50 ?m, and thermal conductivity ??25 W/m·K, the ceramic particles being subjected to surface activation treatment; and metal particles that take a weight percentage of substantially 75%-10% of the composition and have thermal conductivity ??50 W/m·K. The ceramic particles and the metal particles are subjected to heating under a non-oxidizing environment to a temperature greater than the melting point of the metal but below the melting point of the ceramic particles, so that the metal is molten to form a metal melt that surrounds and bonds the ceramic particles, and then pouring and casting are performed in a non-oxidizing environment. As such, the metal that possesses excellent thermal conduction capability is also imposed with excellent thermal radiation capability of the ceramics.

Abstract: A concrete mixture for forming a breathable concrete. The mixture comprises aggregate particles and a paste comprising water, cement or cement substitute, and plasticiser. The plasticiser controls the viscosity of the paste such that the paste forms a substantially uniform layer coating the particles, with the coated particles in contact, whilst allowing spaces to be retained there between. These spaces interconnect forming channels through the concrete, allowing air to permeate there through such that the concrete exhibits good dynamic insulation properties, whist retaining structural strength.

Abstract: The present invention relates to a conductive preparation, in particular an electrically and/or thermally conductive preparation, which is characterized in that it has a first, at least temporarily, liquid phase and at least one, preferably at least two conductive additive(s) provided in the first phase. A method for producing a conductive preparation of this type is characterized by the following steps: A) Providing a first, at least temporarily, liquid phase; B) Adding at least one conductivity additive, preferably at least two conductivity additives into the first phase; C) Mixing the first phase and the at least one conductivity additive into a homogeneous state.

Abstract: A process for forming thermoelectric nanoparticles includes the steps of providing a core material and a bismuth containing compound in a reverse micelle; providing a tellurium containing compound either in or not in a reverse micelle; reacting the bismuth containing compound with the tellurium containing compound in the presence of a base, forming a composite thermoelectric nanoparticle having a core and shell structure.

Abstract: A nanofluid is generally provided for use in a heat transfer system. The nanofluid can include nanoparticles suspended in a base liquid at a nanoparticle concentration in the nanofluid of about 0.01% to about 5% by volume. The nanoparticles can include zinc-oxide nanoparticles. The nanofluid for use in a heat transfer system can, in one embodiment, further include a surfactant. Thermal management systems configured to cool a computer having integrated circuits that generate heat during use are also provided. The thermal management system can include a zinc-oxide nanofluid circulated through a series of tubes via a pump such that heat produced by electronic components of the computer can be captured by the circulating nanofluid and then removed from the nanofluid by a radiator.

Abstract: Exothermic reactions are used in self heating products, such as food, beverages, and clothing. Temperature peaks are important as heat can cause user injuries or increase pressures within the heating container to unsafe levels. Disclosed is a composition that modulates chemical reactions by control of the reaction initiation. Solid exothermic reactants, like calcium oxide and zeolite, are wetted with a combination of water and at least one surfactant, such as polyethylene glycol. The use of surfactants limits the initial rate of wetting, and also provides modulation of the reaction by changing phase. Optional addition of weak acids or acid salts modulated temperature and pH.

Abstract: In a process for producing thermoelectric materials with a polyphasic structure, in which particles of a first phase with a characteristic length of not more than 10 ?m are present in homogeneous dispersion in a second phase, by self-assembly, an a least binary thermoelectric material is melted together with a metal which is not a component of the at least binary thermoelectric material, or a chalcogenide of said metal, and, after mixing, is cooled or bonded by reactive grinding.

Abstract: A nanocomposite with high dielectric constant includes both ferroelectric with non-ferroelectric fillers. This may improve, not only the dielectric constant of the nanocomposite but also provide additional thermal, electrical, optical, mechanical, or chemical properties to the nanocomposite for specific applications.

Abstract: The invention relates to surface-modified phosphor particles based on luminescent particles which comprise at least one luminescent compound selected from the group of the silicate phosphors, where at least one coating having a thermal conductivity of <20 W/mK and at least one second coating having a thermal conductivity of >20 W/mK have been applied to the luminescent particles, and to a production process.

Abstract: The present invention relates to a nanofluid that contains carbon nanoparticles, metal oxide nanoparticles and a surfactant in a thermal transfer fluid. The present invention also relates to processes for producing such a nanofluid with enhanced thermal conductive properties.

Abstract: A thermoelectric material of the p-type having the stoichiometric formula Zn4Sb3, wherein part of the Zn atoms optionally being substituted by one or more elements selected from the group comprising Sn, Mg, Pb and the transition metals in a total amount of 20 mol % or less in relation to the Zn atoms is provided by a process involving zone-melting of a an arrangement comprising an interphase between a “stoichiometric” material having the desired composition and a “non-stoichiometric” material having a composition deviating from the desired composition. The thermoelectric materials obtained exhibit excellent figure of merits.

Abstract: Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including connection with blowing agents, foams, foamable compositions, foaming methods, heat transfer compositions and methods, propellants, and solvating methods.

Abstract: An antifreeze composition having improved thermal stability is provided. In one embodiment, the antifreeze concentrate composition comprises from 50 to 99.8 wt. % of a glycol-based freezing point depressant selected from the group of: alkylene glycols, glycol monoethers, glycerins, and mixtures thereof; 0.01 to 10 wt. % of at least one of a 2-ethylhexanoic acid, isononanoic acid and 3,5,5-trimethylhexanoic acid; and 0.01 to 5 wt. % of at least one of octanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, neodecanoic acid, benzoic acid, 2-hydroxybenzoic acid, p-terbutylbenzoic acid, and mixtures thereof. In one embodiment, the composition is employed as a concentrate in admixture with 10 to 90 wt. % water. In one embodiment no more than one dicarboxylic acid is used as an additive. In another embodiment no dicarboxylic acid is present.

Abstract: Deicing compositions comprised of hydroxyl-containing organic compounds and/or organic acid salts are disclosed.

Abstract: A system for converting solar energy to chemical energy, and, subsequently, to thermal energy includes a light-harvesting station, a storage station, and a thermal energy release station. The system may include additional stations for converting the released thermal energy to other energy forms, e.g., to electrical energy and mechanical work. At the light-harvesting station, a photochemically active first organometallic compound, e.g., a fulvalenyl diruthenium complex, is exposed to light and is photochemically converted to a second, higher-energy organometallic compound, which is then transported to a storage station. At the storage station, the high-energy organometallic compound is stored for a desired time and/or is transported to a desired location for thermal energy release.

Abstract: A toxicological friendly antifreeze composition having improved thermal stability is provided. In one embodiment, the antifreeze composition comprises from 5 to 80 wt. % of an aqueous freezing point depressant selected from alkali metal salts of acetates, formates, proprionates, adipiates, and succinates, and mixtures thereof; 0.1 to 10 wt. % of at least one of a 2-ethylhexanoic acid, isononanoic acid and 3,5,5-trimethylhexanoic acid; and 0.1 to 10 wt. % of at least one of octanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, neodecanoic acid, benzoic acid, 2-hydroxybenzoic acid, p-terbutylbenzoic acid, and mixtures thereof. In one embodiment, the composition is employed as a concentrate in admixture with 10 to 90 wt. % water. The composition may be totally free of glycol, or, in an alternate embodiment, possess a glycol:non-glycol base ratio of 1:2 to 1:20.

Abstract: The method of forming encapsulated carbon nanotubes includes first forming a calcium chloride solution and a sodium hydrogen carbonate solution. A volume of carbon nanotubes are added to the calcium chloride solution and the calcium chloride solution and the volume of carbon nanotubes are then mixed with the sodium hydrogen carbonate solution to form a supersaturated calcium carbonate solution. Carbon nanotubes embedded in calcium carbonate crystals are precipitated from the supersaturated calcium carbonate solution. The carbon nanotubes embedded in the calcium carbonate crystals, forming the precipitate, are then filtered from the solution. The filtered carbon nanotubes embedded in the calcium carbonate crystals are washed and then dried, producing a usable volume of carbon nanotubes encapsulated within calcium carbonate crystals.

Abstract: The present invention relates to a method for inhibiting the formation or accumulation of ice on a solid surface and for reducing the salt out temperatures.

Abstract: The present disclosure relates, in part, to Parylene based conformal coating compositions having improved properties, e.g., improved heat transfer and durability characteristics, as well as a methods and apparatus to coat objects with these compositions, and objects coated with these compositions. In some aspects, coating compositions comprising Parylene and boron nitride are disclosed. The disclosure also includes objects (e.g., electronic equipment, textiles, etc.) having a conformal coating comprising a Parylene compound and boron nitride.

Abstract: A composite member suitable for a heat radiation member of a semiconductor element and a method of manufacturing the same are provided. This composite member is a composite of magnesium or a magnesium alloy and SiC, and it has porosity lower than 3%. This composite member can be manufactured by forming an oxide film on a surface of raw material SiC, arranging coated SiC having the oxide film formed in a cast, and infiltrating this coated SiC aggregate with a molten metal (magnesium or the magnesium alloy). The porosity of the composite member can be lowered by improving wettability between SiC and the molten metal by forming the oxide film. According to this manufacturing method, a composite member having excellent thermal characteristics such as a coefficient of thermal expansion not lower than 4 ppm/K and not higher than 10 ppm/K and thermal conductivity not lower than 180 W/m·K can be manufactured.

Abstract: A thermoelectric material and a method of using a thermoelectric material is provided. The thermoelectric material can include at least one compound. For example, the at least one compound may be a Group IV-VI compound such as lead telluride. The at least one compound may further include one or more dopants such as sodium, potassium, and thallium. The method of using a thermoelectric material can include exposing at least one portion of the at least one compound to a temperature greater than about 700 K.

Abstract: A flat metal particle-containing composition including flat metal particles containing silver and a metal nobler than the silver, wherein the metal nobler than the silver is located near surfaces of the flat metal particles and wherein an amount of the metal nobler than the silver is 10?3 atomic % to 5 atomic % relative to the silver contained in the flat metal particles.

Abstract: Mixture comprising elemental sulfur and an additive comprising anions.

Abstract: The invention is a bulk-processed thermoelectric material and a method for fabrication. The material measures at least 30 microns in each dimension and has a figure of merit (ZT) greater than 1.0 at any temperature less than 200° C. The material comprises at least two constituents; a host phase and a dispersed second phase. The host phase is a semiconductor or semimetal and the dispersed phase of the bulk-processed material is comprised of a plurality of inclusions. The material has a substantially coherent interface between the host phase and the dispersed phase in at least one crystallographic direction.

Abstract: It is an objective of the present invention to provide an aluminum porous body which is formed of a pure aluminum and/or aluminum alloy base material and has excellent sinterability and high dimensional accuracy without employing metal stamping. There is provided an aluminum porous body having a relative density of from 5 to 80% with respect to the theoretical density of pure aluminum, in which the aluminum porous body contains 50 mass % or more of aluminum (Al) and from 0.001 to 5 mass % of at least one selected from chlorine (Cl), sodium (Na), potassium (K), fluorine (F), and barium (Ba). It is preferred that the aluminum porous body further contains from 0.1 to 20 mass % of at least one selected from carbon (C), silicon carbide (SiC), iron (II) oxide (FeO), iron (III) oxide (Fe2O3), and iron (II,III) oxide (Fe3O4).

Abstract: The use of pentafluoropropene (HFO-1225) and tetrafluoropropene (HFO-1234) in refrigeration equipment is disclosed. These materials are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing and suppressing agents.

Abstract: The invention is directed to carbon nanostructure composite systems which may be useful for various applications, including as dry adhesives, electronics and display technologies, or in a wide variety of other areas where organized nano structures may be formed and integrated into a flexible substrate. The present invention provides systems and methods wherein organized nanotube structures or other nanostructures are embedded within polymers or other flexible materials to provide a flexible skin-like material, with the properties and characteristics of the nanotubes or other nanostructures exploited for use in various applications. In one aspect, the invention is directed to a carbon nanotube/polymer composite material having a plurality of carbon nanotubes formed into a predetermined architecture, with each of the plurality of nanotubes having a desired width and length.

Abstract: A composite material based on a disilicide including molybdenum and zirconium dioxide, ZrO2. In the disilicide (Mo1-xCrx)Si2 a portion x, 0.08<x?0.15, of the molybdenum is substituted by Chromium, Cr. The composite material includes 10-20 volume % ZrO2 balanced with (Mo1-xCrx)Si2.

Abstract: There is provided a process for producing a fluorinated nanodiamond dispersion liquid, including a purification step of mixing a fluorinated nanodiamond with an alcohol having a carbon number of 4 or fewer, then conducting an ultrasonic treatment to produce a suspension, and subjecting the obtained suspension to a classification treatment by centrifugation to produce a dispersion liquid of fluorinated nanodiamond; a drying step to prepare a dry fluorinated nanodiamond by removing the alcohol from the dispersion liquid of fluorinated nanodiamond that is obtained by the purification step; and a redispersion step to prepare the fluorinated nanodiamond dispersion liquid by mixing the dry fluorinated nanodiamond that is obtained by the drying step, with an aprotic polar solvent and then conducting an ultrasonic treatment.

Abstract: A light emitting layer-forming solid material including at least one host material and at least one light-emitting material, wherein the light emitting layer-forming solid material is used for forming a white light emitting layer having a single layer structure by an evaporation method.

Abstract: Articles, systems, and methods involving the control of thermal and/or electrical conductivity in suspensions are generally described.