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According to the invention there is provided an electrothermic composition comprising: at least one carbon component; at least one graphite component, and an optional binder or carrier, wherein the carbon, graphite, and/or their ratio are selected such that that the composition or a material formed from the composition has a thermal coefficient of electrical resistance (tcr) of about zero or is substantially stable over a predefined temperature range. The invention further relates to a product or a material produced or formed by the electrothermic composition.
Intelli Particle Pty Ltd
|Rechargeable chloride battery|
The present invention relates to storage batteries, also known as rechargeable batteries, using a chloride electrolyte, especially in which the electrolyte is a ternary chloroaluminate. In particular embodiments, the electrolyte is molten chloroaluminate and especially molten at a temperature of about 140° c.
Process Research Ortech Inc.
|Zinc ion-exchanging energy storage device|
A zinc ion-exchanging battery device comprising: (a) a cathode comprising two cathode active materials (a zinc ion intercalation compound and a surface-mediating material); (b) an anode containing zinc metal or zinc alloy; (c) a porous separator disposed between the cathode and the anode; and (d) an electrolyte containing zinc ions that are exchanged between the cathode and the anode during battery charge/discharge. The zinc ion intercalation compound is selected from chemically treated carbon or graphite material having an expanded inter-graphene spacing d002 of at least 0.5 nm, or an oxide, carbide, dichalcogenide, trichalcogenide, sulfide, selenide, or telluride of niobium, zirconium, molybdenum, hafnium, tantalum, tungsten, titanium, vanadium, chromium, cobalt, manganese, iron, nickel, or a combination thereof.
|Positive electrode for air battery, and air battery using the positive electrode|
A positive electrode for an air battery includes an expanded graphite sheet. It is desirable that the expanded graphite sheet contain expanded graphite in an amount of 80 mass % or greater.
|Alkali metal secondary battery containing a dendrite-intercepting layer|
A rechargeable alkali metal battery comprising: (a) an anode comprising an alkali metal layer and a dendrite penetration-resistant layer composed of multiple graphene sheets or platelets or exfoliated graphite flakes that are chemically bonded by a lithium- or sodium-containing species to form an integral layer that prevents dendrite penetration through the integral layer, wherein the lithium-containing species is selected from li2co3, li2o, li2c2o4, lioh, lix, roco2li, hcoli, roli, (roco2li)2, (ch2oco2li)2, li2s, lixsoy, na2co3, na2o, na2c2o4, naoh, naix, roco2na, hcona, rona, (roco2na)2, (ch2oco2na)2, na2s, nax soy, or a combination thereof, wherein x═f, cl, i, or br, r=a hydrocarbon group, x=0-1, y=1-4; (b) a cathode comprising a cathode layer; and (c) a separator and electrolyte component in contact with the anode and the cathode; wherein the dendrite penetration-resistant layer is disposed between the alkali metal layer and the separator.. .
|Dendrite-intercepting layer for alkali metal secondary battery|
A dendrite penetration-resistant layer for a rechargeable alkali metal battery, comprising multiple graphene sheets or platelets or exfoliated graphite flakes that are chemically bonded by a lithium- or sodium-containing species to form an integral layer that prevents dendrite penetration through the integral layer, wherein the lithium-containing species is selected from li2co3, li2o, li2c2o4, lioh, lix, roco2li, hcoli, roli, (roco2li)2, (ch2oco2li)2, li2s, lixsoy, na2co3, na2o, na2c2o4, naoh, naix, roco2na, hcona, rona, (roco2na)2, (ch2oco2na)2, na2s, naxsoy, or a combination thereof, wherein x=f, cl, i, or br, r=a hydrocarbon group, x=0-1, y=1-4. Also provided is a process for producing a dendrite penetration-resistant layer based on the principle of electrochemical decomposition of an electrolyte in the presence of multiple graphene sheets..
|Production of graphene oxide|
A method for the production of graphene oxide and/or graphite oxide nanoplatelet structures having a thickness of less than 100 nm in an electrochemical cell, the cell comprising: (a) a positive electrode that is graphitic; (b) a negative electrode that may be graphitic or another material; (c) an electrolyte including: (i) organic anions in a solvent; (ii) non-oxidant polyatomic anions in a solution; and/or (ii) polyatomic anions in a solvent wherein the electrolyte has a hydrogen ion concentration of <1×10−1 mol dm−3; wherein the method comprises the step of passing a current through the cell to intercalate the anions into the graphitic positive electrode so as to exfoliate the graphitic positive electrode.. .
The University Of Manchester
|Molybdenum carbide / carbon composite and manufacturing method|
A composite material comprising molybdenum carbide, graphite and carbon fibers combines a very high thermal conductivity with a low coefficient of thermal extension, high service temperature, good mechanical properties and high electrical conductivity. These materials may be obtained from high-temperature sintering of variable proportions of molybdenum powders and ceramic materials such as graphite, carbon fibers, silicon, silicon carbide, or tungsten..
Brevetti Bizz S.r.l.
|Solar cell and methods of fabrication and use thereof|
An energy conversion device comprising a first electrically conductive layer, a mesoporous oxide layer contiguous with the first electrically conductive layer and comprised of volcanic ash particles and photoactive dye molecules adsorbed on the ash particles, an electrolyte layer contiguous with the mesoporous oxide layer and comprised of a redox mediator, a catalyst layer comprised of an electrically conductive catalyst material, and a second electrically conductive layer contiguous with the catalyst layer. The electrically conductive catalyst material may be graphene, graphite, platinum, or carbon.
Sequence Design Ltd.
|Structure having metal halide layer, radiation detection element, radiation detector, and manufacturing the structure|
A radiation detection element has a detection layer 52 containing metal halide and a pair of electrodes 51 and 53 disposed on the detection layer 52 containg metal halide. At least one of the pair of electrodes has a surface 56 containing graphite and the surface 56 containing graphite and the detection layer 52 are in contact with each other..
Canon Kabushiki Kaisha
Elastomeric body for vibration damping
An elastomeric body for vibration damping and/or suspension, has a base body and a flame-retarding coating which covers at least one section of the base body, wherein the flame-retarding coating has at least two intumescent fire protection systems and the first fire protection system contains expandable graphite which comprises at least a first fraction with an average grain size of more than 180 μm and at least a second fraction with an average grain size of less than 180 μm, and the second fire protection system forms a support structure in the expanded state, which structure at least partially fixes the expanded graphite in the expanded state.. .
Carl Freudenberg Kg
Ultrahigh temperature elastic metal composites
A metal composite comprises: a matrix comprising periodic metal springs; and a filler material comprising one or more of the following: a carbon composite; a polymer; a metal; graphite; cotton; asbestos; or glass fiber; wherein the filler material is bounded to the matrix via one or more of the following: a mechanical interlocking; a chemical bond; a solid solution; or an active layer disposed between the periodic metal springs and the filler material.. .
Baker Hughes Incorporated
Mattress assembly including thermally conductive foam layer
Mattress assemblies and processes that provide user comfort include at least one thermally conductive foam layer consisting essentially of a polymeric elastomer foam matrix and a plurality of thermally conductive particles disposed therein, wherein the plurality of thermally conductive particles are selected from the group consisting of carbon, graphene, graphite, platinum, aluminum, gold, silver, silicon, copper, iron, nickel, stretched polyethylene nanofibers, and mixtures thereof; and a base core layer, wherein the at least one thermally conductive foam layer overlays the base core layer.. .
Graphite material and electrode material using same
An object of the present invention is to provide an electrode material and a graphite material used for an electrode material, from which an electrochemical element with a small initial irreversible capacity and excellent cycle characteristics can be obtained. A graphite material of the present invention is a graphite material having a specific surface area of 0.1 to 30 m2/g, an intensity ratio r (id/ig) of a peak intensity (id) at around 1,360 cm−1 to a peak intensity (ig) at around 1,580 cm−1 of not less than 0.60 and not more than 1.30, and an intensity ratio s (i1520/ig) of a peak intensity (i1520) at 1,520 cm−1 to a peak intensity (ig) at around 1,580 cm−1 of not less than 0.55 and not more than 0.70, in a spectrum obtained by the laser raman spectroscopy using an excitation wavelength of 532 nm..
The Yokohama Rubber Co., Ltd.
Porous graphene for cathode of secondary battery and its manufacturing method
In the graphene manufacturing method, a graphite oxide is formed from graphite, and then the graphite oxide is treated with a hydrochloric acid. The hydrochloric acid-treated graphite oxide is reduced at temperature of 120° c.
Snu R&db Foundation
Pellicle film including graphite-containing thin film for extreme ultraviolet lithography
A pellicle film for extreme ultraviolet (euv) lithography includes graphite-containing thin film.. .
Fine Semitech Co., Ltd.
Bracket used for ball valve and trunnion ball valve
The present invention discloses a bracket used for a ball valve, which includes: at least two supporting legs, and a stopper plate located above the supporting legs; a lower surface of each of the supporting legs contacts an upper surface of a valve body of the trunnion ball valve; and the stopper plate includes a through hole therein passing through a valve stem of the trunnion ball valve. Meanwhile, the present invention discloses a trunnion ball valve, which includes: a valve body, a valve ball, two valve seats, and a valve stem.
Graphite-mediated control of static electricity on fiberglass
A fiberglass material contains glass fibers having graphite evenly distributed thereon. The graphite provides a coating that makes the fiberglass material substantially free of static electricity.
Knauf Insulation, Inc.
Allotrope-specific anionic element reagent complexes
An allotrope-specific reagent includes a hydride molecule in complex with a specified elemental allotrope. The elemental allotrope included in the complex substantially retains a specified allotropic structure of the bulk element.
The University Of Manitoba
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Graphene powder, producing graphene powder, producing graphene powder, and product using graphene powder
There are provided graphene powder that may be mass-produced with high quality, an apparatus for producing graphene powder, a method for producing graphene powder, and a product using the graphene powder. A jet flow as a high speed jet stream of a liquid or a gas is output from a jet flow output unit, and a raw material containing graphite and the jet flow thus output from the jet flow output unit are made to inflow to an input part of a chamber to cleave graphite, thereby outputting graphene powder in the form of fine particles of graphite from an output part.
Graphene Platform Corporation
A graphite article
A graphite article which can be compressed by more three (3%) percent at a contact pressure of 100 kpa or less without damaging the graphite article reducing the thermal impedance exhibited by the article. Also a graphite article comprising graphitized polymer having a thickness of at least 75 microns.
Graftech International Holdings Inc.
Method for producing graphite and particulates for graphite production
Provided are a method for producing artificial graphite through a vertical graphitization furnace with easy circulation of inert gas, uniform heating and no damage to the furnace; and particulates used therefor. The method comprises steps of: introducing graphitizable particulates having average particle diameter of 3 to 30 mm into an inside of the furnace from upper part thereof, heating the particulates at 2200° c.
Jx Nippon Oil & Energy Corporation
Graphite laminated body
Provided is a graphite laminated body having excellent properties such as excellent mechanical properties, excellent heat resistance, and excellent thermal conductivity. In particular, provided is a graphite laminated body comprising a graphite film, a non-thermoplastic polyimide film, and an adhesive layer for bonding the graphite film to the non-thermoplastic polyimide film, the adhesive layer being made of a thermoplastic polyimide or a fluororesin..
Electromagnetic-wave-absorbing heat dissipation sheet
A solution is an electromagnetic wave-absorbing and heat-dissipating sheet, including at least one electromagnetic wave-absorbing layer including an electromagnetic wave absorbing material, at least one graphite layer formed of a graphite sheet, and at least one metal layer, wherein the graphite layer and other layers are adhered using an adhesive layer composed of a composition a containing polyvinyl acetal resin.. .
Polycrystalline diamond, methods of forming same, cutting elements, and earth-boring tools
A method of forming polycrystalline diamond includes providing an alloy over diamond particles and subjecting the diamond particles to a pressure of at least 4.5 gpa and a temperature of at least 1,000° c. To form inter-granular bonds.
Baker Hughes Incorporated
Carbon material for negative electrode of non-aqueous secondary battery, negative electrode for non-aqueous secondary battery, and non-aqueous secondary battery
The present invention relates to a carbon material for negative electrodes of non-aqueous secondary batteries, the carbon material comprising: (1) a composite carbon particles (a) containing elemental silicon, and (2) amorphous composite graphite particles (b) in which graphite particles (c) and amorphous carbon are composited.. .
Secondary graphite particle and secondary lithium battery comprising the same
The present disclosure relates to a secondary graphite particle comprising an initial natural graphite particle of excellent high capacity and output characteristic, aggregated, bonded or assembled with an initial artificial graphite particle of excellent cycle characteristic and swelling characteristic, thus having superior rollability that leads into increased density, a negative electrode using the secondary graphite particle as a negative electrode active material, and a secondary lithium battery comprising the negative electrode. Accordingly, the secondary lithium battery comprising the secondary graphite particle as described above as the negative electrode active material has an effect of enhanced high rate charging and discharging capability, cycle characteristic and swelling characteristic..
Lg Chem, Ltd.
Dispersions for nanoplatelets of graphene-like materials and methods for preparing and using same
A dispersion of nanoplatelet graphene-like material, such as graphene nanoplatelets, in a solid or liquid dispersion media wherein the nanoplatelet graphene-like material is dispersed substantially uniformly in the dispersion media with a graphene-like material dispersant. Such dispersions may be used to prepare articles by three-dimensional (3d) printing, as well as to provide electrically conductive inks and coatings, chemical sensors and biosensors, electrodes, energy storage devices, solar cells, etc.
Graphene 3d Lab Inc.
Procedure for obtaining seaweed sheets by heat treatment with addition of salt and bentonite for making covers of pens or pencils with encapsulated seeds at the end of their structure
The process for the production of films made from algae by heat treatment with the addition of salt and bentonite for making covers of pencil or pen comprises the following steps: i) boiling seaweed containing collagen for gelatinization together with salt and bentonite; ii) poring the gelatinized algae into the bowl and dip a graphite for writing; iii) subjecting to temperature for drying the algae and obtaining sheets; iv) cutting the sheets, according to the size of graphite for writing, leaving a space at the rear end to place the seeds; and iv) wrapping the graphite for writing with pieces of wet sheets to obtain a particular shape.. .
Polycrystalline diamond and manufacturing method thereof, scribe tool, scribing wheel, dresser, rotating tool, orifice for water jet, wiredrawing die, cutting tool, and electron emission source
Nano polycrystalline diamond is composed of carbon, an element of different type which is an element other than carbon and is added to be dispersed in carbon at an atomic level, and an inevitable impurity. The polycrystalline diamond has a crystal grain size not greater than 500 nm.
Sumitomo Electric Industries, Ltd.
Method for producing flake graphene by direct exfoliation of graphite
The invention is related to a method for producing flake graphene by direct exfoliation of graphite, characterised in that it comprises the following steps: a) an aqueous suspension of graphite with addition of one or more surface active agents is prepared; b) the suspension is frozen; c) the suspension is dried, thereby obtaining flake graphene.. .
Instytut Technologii Materialow Elektronicznych
Method for obtaining graphene oxide
A method for obtaining graphene oxide is provided comprising the steps of a) adding an acid and a salt to graphite for obtaining a graphite oxide, and b) exfoliating the graphite oxide by mixing it, wherein the steps a) and b) are carried out simultaneously in a high shear mixer.. .
Titanium separator material for fuel cells, and producing titanium separator material for fuel cells
A fuel cell separator material made of titanium containing a carbon-based conductive layer formed on a surface of a base material. The base material contains pure titanium or a titanium alloy.
Kabushiki Kaisha Kobe Seiko Sho (kobe Steel, Ltd.)
Negative electrode for rechargeable lithium battery, manufacturing same, and rechargeable lithium battery including same
Disclosed are a negative electrode for a rechargeable lithium battery that includes a plurality of non-sheet-shaped graphite particles, at least one silicon-based particle in a void formed by assembling the non-sheet-shaped graphite particles, and a sheet-shaped graphite powder between the non-sheet-shaped graphite particles, the void, or both thereof, wherein a size of the silicon particle is smaller than a length of the longest axis of the sheet-shaped graphite powder.. .
Samsung Sdi Co., Ltd.
Internal Combustion Engine
Fatty Acid Amide
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