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Graphite patents



      

This page is updated frequently with new Graphite-related patent applications.




Date/App# patent app List of recent Graphite-related patents
05/19/16
20160141603 
 Potato-shaped graphite particles with low impurity rate at the surface,  preparing the same patent thumbnailPotato-shaped graphite particles with low impurity rate at the surface, preparing the same
These particles can be used for fuel cells, electrochemical generators, or as moisture absorbers and/or oxygen absorbers and they have important electrochemical properties. The electrochemical cells and batteries thus obtained are stable and safe..

05/19/16
20160141487 
 Manufacturing  high-temperature piezoelectric element electrode and piezoelectric element structure patent thumbnailManufacturing high-temperature piezoelectric element electrode and piezoelectric element structure
A manufacturing method for an electrode of a high-temperature piezoelectric element, comprises: coating traditional conductive slurry on surfaces of a molded piezoelectric material (1); then polarizing the piezoelectric material (1); and then removing the coating of conductive slurry (2) on the surfaces there of, and connecting the piezoelectric material to outside electrode lead wires (3) to output a signal generated by piezoelectric effect thereof. A structure of a high-temperature piezoelectric element, comprises polarized piezoelectric material (1), wherein the coating of metallic conductive slurry (2) is removed from the surfaces of the polarized piezoelectric material (1) and the surfaces of the polarized piezoelectric material (1) is connected to electrode lead wires (3) to output a signal generated by piezoelectric effect thereof.
Xiamen Niell Electronics Co., Ltd.


05/19/16
20160141225 
 Latent heat storage devices patent thumbnailLatent heat storage devices
An apparatus including a composite structure including an expanded graphite matrix infiltrated with a phase change material having dimensions configured for association with an electronic device, the composite structure including a thermal conductivity greater than 5 watts per meter kelvin (w/mk). An apparatus including an integrated circuit package; a planar pad including an expanded graphite matrix; and a heat sink, wherein the pad is disposed between the integrated circuit package and the heat sink.
Sgl Carbon Se


05/19/16
20160139500 
 Methods of manufacturing pellicles having graphite layers patent thumbnailMethods of manufacturing pellicles having graphite layers
Provided is a method of manufacturing a pellicle. The method includes preparing a substrate, forming a membrane on the substrate by performing a chemical vapor deposition (cvd) process, separating the membrane from the substrate in a first solvent, rinsing the separated membrane in a second solvent, and transferring the separated membrane to a frame in a third solvent..
Samsung Electronics Co., Ltd.


05/19/16
20160139293 
 Subsurface estimation of level of organic maturity patent thumbnailSubsurface estimation of level of organic maturity
A method for determining a level of organic maturity of a shale gas formation includes inverting multifrequency complex conductivity data to estimate a volume fraction of graphite, turbostatic carbon nanostructures, and pyrite. The inversion is validated using estimates of the volume fraction of graphite, turbostatic carbon nanostructures, and pyrite.
Schlumberger Technology Corporation


05/19/16
20160138359 
 Swellable compositions, articles formed therefrom, and methods of manufacture thereof patent thumbnailSwellable compositions, articles formed therefrom, and methods of manufacture thereof
A swellable composition comprises: a matrix material; and a condensed expandable graphite material disposed in the matrix material. A seal arrangement comprises: a swellable member and a sealing member disposed on a surface of the swellable member; wherein the swellable member comprises a condensed expandable graphite material.
Baker Hughes Incorporated


05/19/16
20160138139 
 Spheroidizing treatment  molten metal of spheroidal graphite cast iron patent thumbnailSpheroidizing treatment molten metal of spheroidal graphite cast iron
A graphite spheroidizing agent containing: 30-80 wt % of si; mg; re (rare earth element) which comprises ce with a purity level of 80-100 wt % or la with a purity level of 80-100 wt %; ca; and al is used. The graphite spheroidizing agent is added so as to satisfy the conditions that an amount of re equivalent to 0.001-0.009 wt % of the total weight of the molten metal, an amount of ca equivalent to 0.001-0.02 wt % of the total weight of the molten metal, and an amount of al equivalent to 0.001-0.02 wt % of the total weight of the molten metal are added to the molten metal, and that the molten metal contains 0.03-0.07 wt % of mg after the graphite spheroidizing treatment.
Toshiba Kikai Kabushiki Kaisha


05/19/16
20160137506 
 Graphitic nanomaterials in the form of carbon onions, production method thereof and use of same patent thumbnailGraphitic nanomaterials in the form of carbon onions, production method thereof and use of same
The present invention relates to graphite nanomaterials in the form of onion-like carbons, the method of preparation thereof and the use thereof.. .
Commissariat A L'energie Atomique Et Aux Energies Alternatives


05/19/16
20160137319 
 Method for releasing a deployable boom patent thumbnailMethod for releasing a deployable boom
The present disclosure provides, among other things, a deployable solar array comprising: an array of photovoltaic devices; and a flexible, elongated, rectangular sheet for supporting the array of photovoltaic devices composed of a composite laminate having a predetermined pattern of graphite fiber plies which impart a predefined tension in the planar surface of the sheet so that it curls into a planar sheet with a uniform radius of curvature along its major axis.. .
Solaero Technologies Corp.


05/19/16
20160136727 
 Alloy steel powder for powder metallurgy and  producing iron-based sintered body patent thumbnailAlloy steel powder for powder metallurgy and producing iron-based sintered body
Provided is an alloy steel powder for powder metallurgy containing an iron-based powder as a main component that is capable of achieving both high strength and high toughness in a sintered body using the same. In the alloy steel powder, the iron-based powder contains a reduced powder, and mo content with respect to a total amount of the alloy steel powder is 0.2 mass % to 1.5 mass %, cu powder content with respect to a total amount of the alloy steel powder is 0.5 mass % to 4.0 mass % and graphite powder content with respect to a total amount of the alloy steel powder is 0.1 mass % to 1.0 mass %..
Jfe Steel Corporation


05/12/16
20160133926 

Negative electrode for rechargeable lithium battery and rechargeable lithium battery including same


Provided are a negative electrode for a rechargeable lithium battery including a negative active material and a conductive material wherein the negative active material includes graphite and an inorganic particle positioned on the surface of the graphite and having no reactivity with lithium, and the conductive material is included in an amount of greater than or equal to about 0.1 wt % and less than about 2 wt % based on the total amount of the negative active material and the conductive material, and a rechargeable lithium battery including the same.. .
Samsung Sdi Co., Ltd.


05/12/16
20160130146 

Carbide-derived carbon manufactured by using heat treatment at vacuum and method thereof


Disclosed is a method of preparing a carbide-derived carbon having high ion mobility for use in a lithium battery anode material, a lithium air battery electrode, a supercapacitor electrode, and a flow capacitor electrode, including thermally treating a carbide compound in a vacuum, thus obtaining a vacuum-treated carbide compound; and thermochemically reacting the vacuum-treated carbide compound with a halogen element-containing gas, thus extracting the element other than carbon from the vacuum-treated carbide compound, wherein annealing can be further performed after thermochemical reaction. This carbide-derived carbon has a small pore distribution, dense graphite fringe, and a large lattice spacing and thus high ion mobility, compared to conventional carbide-derived carbon obtained only by thermochemical reaction with a halogen element-containing gas..
Korea Institute Of Energy Research


05/12/16
20160129504 

Graphite heater with tailored resistance characteristics for hpht presses and products made therein


A method for sintering includes loading a tool material into a resistance heating element within a hpht press and heating the resistance heating element at a first axial portion to a control temperature, where a temperature difference is measured between the control temperature and a second temperature measured at a distal axial portion along the resistance heating element, wherein a difference between the control temperature and the second temperature ranges between about 5 percent to about 11 percent of the control temperature.. .
Smith International, Inc.


05/05/16
20160126582 

Preformation of stable solid electrolyte interface films on graphite-material electrodes


Disclosed are preformed solid electrolyte interface (sei) film graphite electrodes in lithium-sulfur based chemistry energy storage systems and methods of making the preformed sei films on graphite electrodes to expand the use of graphite-based electrodes in previously non-graphite anode energy systems, such as lithium-sulfur battery systems. Also disclosed are lithium-ion sulfur battery systems comprising electrolytes that do not include an alkyl carbonate, such as those that do not include ec, and graphite anodes having preformed alkyl carbonate, such as ec-based sei films..
Battelle Memorial Institute


05/05/16
20160126538 

Electrode material and use thereof in lithium ion batteries


The invention relates to an electrode material for lithium ion batteries, comprising 5-85% by weight of nanoscale silicon particles, which are not aggregated and of which the volume-weighted particle size distribution is between the diameter percentiles d10>20 nm and d90<2000 nm and has a breadth d90-d10<1200 nm; 0-40% by weight of an electrically conductive component containing nanoscale structures with expansions of less than 800 um; 0-80% by weight of graphite particles with a volume-weighted particle size distribution between the diameter percentiles d10>0.2 μm and d90<200 μm; 5-25% by weight of a binding agent; wherein a proportion of graphite particles and electrically conductive components produces in total at least 10% by weight, wherein the proportions of all components produce in total a maximum of 100% by weight.. .
Wacker Chemie Ag


05/05/16
20160122542 

Method for manufacturing asphaltic sheet materials including expandable graphite


A method for producing an asphaltic sheet having expandable graphite dispersed in one or more asphaltic components thereof, the method comprising preparing a masterbatch by combining asphalt binder and polymeric modifier at a first temperature, cooling the masterbatch to a second temperature, where the second temperature is lower than the first temperature, adding, after said step of cooling, expandable graphite to the masterbatch to thereby form an asphaltic composition including expandable graphite, and fabricating a sheet with the asphaltic composition including expandable graphite.. .
Firestone Building Products Co., Llc


05/05/16
20160122248 

Fireproof product containing graphite, producing said product, and use of said product


A molded, fireproof product, which contains graphite, in particular natural graphite, and is based on fireproof granular materials. The granular-material grains of the product are consolidated to form a molded body by means of a binder known per se and/or ceramic bonding.
Refratechnik Holding Gmbh


05/05/16
20160122188 

Aa' stacked graphite


Disclosed is aa′ graphite with a new stacking feature of graphene, and a fabrication method thereof. Graphene is stacked in the sequence of aa′ where alternate graphene layers exhibiting the aa′ stacking are translated by a half hexagon (1.23 Å).
Korea Institute Of Science And Technology


04/28/16
20160116071 

Refrigerant compressor shaft seal


A shaft sealing mechanism is provided including a first component having a first surface and a second component having a second surface. The first component and the second component are arranged in contact such that the first surface and the second surface form a dynamic interface.
Carrier Corporation


04/28/16
20160115647 

Method of making and using an electrically conductive composite membrane


The method of making and using an electrically conductive composite membrane provides for manufacturing of an electrically conductive composite membrane for water sterilization. The electrically conductive composite membrane is made by first dipping cotton fiber into a graphite solution to form a cotton-graphite composite fiber.
King Fahd University Of Petroleum And Minerals


04/28/16
20160115601 

Electrochemical process for production of graphene


A process of producing graphene and/or graphite nanoplatelet structures by the electrochemical reduction of carbon oxide in an electrochemical cell is provided, wherein the cell includes (a) a negative electrode including a transition metal, transition metal-containing alloy, transition metal-containing oxide, transition metal containing ceramic, or a combination thereof; (b) a positive electrode; and (c) an electrolyte; wherein the process includes the step of passing a current between the electrodes in the presence of the carbon oxide.. .
The University Of Manchester


04/28/16
20160115413 

Composite lubricating material, engine oil, grease, and lubricant


P4 is a peak intensity of a (101) plane of the hexagonal graphite layer (2h) based on the x-ray diffraction method.. .

04/28/16
20160115363 

Composite graphite heat insulating material containing high-density compressed and expanded graphite particles and manufacturing same


Disclosed are a composite graphite heat insulating material with improved thermal conductivity in the thickness direction and a method for manufacturing the same. The composite graphite heat insulating material according to the present invention comprises: an expanded graphite matrix which is compressed in the thickness direction; and high-density compressed and expanded graphite particles which are filled in the pores within the compressed and expanded graphite matrix and have a density of 0.1 g/cm3 or more..
Gts Co., Ltd.


04/28/16
20160115293 

Graphene dispersions


Method of making a composition comprising graphene sheets and at least one solvent, comprising dispersing a mixture of graphene sheets and graphite particles in a solvent, wherein the graphite particles have more than about 50 layers, separating the graphene sheets and the graphite particles to obtain a dispersion of graphene sheets that contains no more than 25% of graphite particles having more than about 50 layers, based on the total number of graphite particles and graphene sheets, and flocculating the dispersion of graphene sheets. The flocculated dispersion can be added to a polymer matrix to make a composite.
Kordsa Global


04/28/16
20160114910 

Deployable solar array for small spacecraft


The present disclosure provides, among other things, a deployable solar array comprising: an array of electromagnetic transducer devices such as photovoltaic devices; and a flexible, elongated, rectangular sheet for supporting the array of electromagnetic transducer devices composed of a composite laminate having a predetermined pattern of graphite fiber plies which impart a predefined tension in the planar surface of the sheet so that it curls into a planar sheet with a uniform radius of curvature along its major axis.. .
Solaero Technologies Corp.


04/21/16
20160111714 

Anode active material and secondary battery comprising the same


Disclosed herein are an anode active material and a secondary battery comprising the same, and more specifically, an anode active material comprising a graphite carbon material coated with an amorphous carbon material comprising metal particles, and a secondary battery comprising the same.. .

04/21/16
20160109780 

Composition and process for sealing microcells


The present invention is directed to a composition for the dielectric layer, which composition comprises a mixture of conductive filler material wherein said mixture consists of carbon nanotubes and graphite, and the dielectric layer formed comprises 0.01% to 7% by weight of carbon nanotubes and 0.1% to 20% by weight of graphite. The composition of the present invention may form a dielectric layer which has the desired electrical resistivity.

04/14/16
20160104572 

Method for manufacturing rare-earth magnets


Provided is a method for manufacturing a rare-earth magnet capable of preventing the lubricant from flowing down during hot deformation processing, whereby friction force can be made as uniform as possible at the overall region of the sintered body, and so the rare-earth magnet manufactured can have less distribution of magnetic performance. A method for manufacturing a rare-earth magnet includes: a first step of sintering magnetic powder mf as a material of the rare-earth magnet to prepare a sintered body s; and a second step of placing the sintered body s in a cavity k of a forming die m made up of a die d and a lower punch p and/or an upper punch p sliding in the die d, and performing hot deformation processing of the sintered body s to give magnetic anisotropy to the sintered body to manufacture the rare-earth magnet c.

04/14/16
20160102386 

Copper alloy, use of a copper alloy, bearing having a copper alloy, and producing a bearing composed of a copper alloy


The invention relates to a copper alloy such as, for example, cuni6sn5fe2p0.15, which has hard particles such as, for example, fe3p or fe2p and optionally solid lubricants such as, for example, hexagonal boron nitrides or graphite. The invention further relates to the use of said copper alloy for a bearing and to a bearing having said copper alloy.

04/14/16
20160101981 

Method for manufacturing graphite oxide and apparatus therefor


The present disclosure relates to a method for producing graphite oxide and an apparatus therefor.. .

04/14/16
20160101980 

Graphite-based carbon material useful as graphene precursor, as well as producing the same


P4 is a peak intensity of a (101) plane of the hexagonal graphite layer (2h) based on the x-ray diffraction method.. .



Graphite topics: Internal Combustion Engine, Optical Fiber, Fatty Acid, Combustion, Fatty Acid Amide, Circuit Board, Crystallin, Conductive Polymer, Polymer Binder, Carboxylic Acid, Contraction, Lithium Ion, Graphite Electrode, Homeopathic Medicine, Homeopathic

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