This page is updated frequently with new Graphite-related patent applications.
|| List of recent Graphite-related patents
| 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.
| 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
| 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
| 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.. .
| 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.
| 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.
| 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.
|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.. .
|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.
|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.
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.
Method for manufacturing graphite oxide and apparatus therefor
The present disclosure relates to a method for producing graphite oxide and an apparatus therefor.. .
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.. .
Method for manufacturing rare-earth magnets
Provided is a method for manufacturing a rare-earth magnet having good workability and capable of manufacturing a rare-earth magnet having low oxygen density. A method for manufacturing a rare-earth magnet includes: a first step of applying or spraying graphite-based lubricant gf on an inner face of a forming die m, and charging magnetic powder mf as a rare-earth magnet material in the forming die m, followed by cold forming, to form a cold-forming compact 10 having a surface on which a graphite-based lubricant coat 12 is formed; a second step of performing hot forming to the cold-forming compact 10 to form a sintered body 20 having a surface on which a graphite-based lubricant coat 22 is formed; and a third step of, in order to give the sintered body 20 anisotropy, performing hot deformation processing to the sintered body 20 to form the rare-earth magnet 30..
Toyota Jidosha Kabushiki Kaisha
Method of exfoliating and functionalizing graphite anode
A. Providing an electrochemical cell with a first graphitic electrode and a second conductive electrode, wherein the first graphitic electrode is made of any one of hopg, natural graphite, and synthetic graphite, the first graphitic electrode is held at a most positive potential, and the second conductive electrode is conductive, wherein a current passes through the electrochemical cell; b.
Flaky graphite containing boron and production method therefor
There is provided a flaky graphite containing boron, the flaky graphite containing boron having an average thickness of 100 nm or less and an average plate diameter dc of 0.01 to 100 μm. There is also provided a conductive resin composition comprising a resin component and a carbon component comprising at least the flaky graphite containing boron, wherein the content of the carbon component based on 100 parts by mass of the resin component is 5 to 4000 parts by mass.
Showa Denko K.k.
Transparent conductive article
A transparent conductive article which includes one of more graphene sheets, at least one of the sheets having a sheet resistance of less than 100 Ω/□. The transparent conductive article includes no more than ten graphene sheets.
Graftech International Holdings Inc.
Method for preparation and separation of atomic layer thickness platelets from graphite or other layered materials
A method and system of separating graphene nanoplatelets (gnps) from initial graphite raw material is disclosed. The raw material is exfoliated to create a percentage of separated gnps in a resulting bulk mixture.
Graphene Laboratories Inc.
Circuit board comprising heat transfer structure
A circuit board comprises a first heat transfer structure including graphite or graphene, wherein at least a portion of the first heat transfer structure is disposed inside an insulating member and a primer layer is disposed on a surface of the first heat transfer structure. The first heat transfer structure may comprise a plurality of monomers, the monomers including a primer layer disposed on at least one surface of at least one layer of graphite or graphene..
Samsung Electro-mechanics Co., Ltd.
Lithium-sulfur cell and battery
A lithium-sulfur cell for a battery includes: a negative electrode; a positive electrode; and at least one diffusion barrier situated between the negative electrode and the positive electrode. At least one of the negative and positive electrodes includes a porous graphite foil made of expanded graphite, and the at least one diffusion barrier is composed of a brittle material having a thickness of ≧10 μm.
Robert Bosch Gmbh
Thermoelectric generator, in particular for a motor vehicle
A thermoelectric generator may include a housing that delimits a housing interior and has a first housing wall and a second housing wall opposite the first housing wall. The generator may also include a plurality of thermoelectric elements, each having a thermoelectrically active material and being arranged spaced apart from one another in the housing interior, wherein at least two adjacent thermoelectric elements are connected to one another by at least one conductor link.
Mahle International Gmbh
Heat dissipation structure for hand-held device
A heat dissipation structure for hand-held device includes an element holding member internally defining a receiving space, a base plate held in the receiving space and having a plurality of electronic elements mounted on a top thereof, at least one heat conductive layer provided on one side of the electronic elements opposite to the base plate, and a graphite layer provided on one side of the heat conductive layer opposite to the electronic elements. The heat conductive layer transfers heat produced by the electronic elements to the graphite layer, from where the heat is quickly dissipated into ambient air, enabling upgraded heat dissipation efficiency of the electronic elements..
Asia Vital Components Co., Ltd.
Deployment of expandable graphite
A method of deploying an apparatus in a wellbore comprises positioning a device at a predetermined location; wherein the device comprises a composition that contains an expandable graphite, and a metallic binder, and wherein the composition has a first shape; and exposing the composition to a microwave energy to cause the composition to attain a second shape different from the first shape. Alternatively, the composition further comprises an activation material comprising a thermite, a mixture of al and ni, or a combination comprising at least one of the foregoing and a method of deploying an apparatus comprising such a composition includes exposing the composition to a selected form of energy..
Baker Hughes Incorporated
Method for manufacturing a composite wafer having a graphite core, and composite wafer having a graphite core
A composite wafer is manufactured by providing a carrier wafer including graphite and a protective layer, forming a bonding layer, and bonding the carrier wafer to a semiconductor wafer through the bonding layer.. .
Infineon Technologies Ag
Embodiments described herein include a susceptor for semiconductor processing including an oriented graphite plate that may have a thickness of at least 1 mm. The susceptor may have a support member, and the oriented graphite plate may be disposed on the support member.
Applied Materials, Inc.
In situ exfoliation method to fabricate a graphene-reinforced polymer matrix composite
A method for forming a graphene-reinforced-polymer matrix composite by distributing graphite microparticles into a molten thermoplastic polymer phase comprising one or more molten thermoplastic polymers; and applying a succession of shear strain events to the molten polymer phase so that the molten polymer phase exfoliates the graphene successively with each event, until tearing of exfoliated multilayer graphene sheets occurs arid produces reactive edges on the multilayer sheets that react with and cross-link the one or more thermoplastic polymers; where the one or more thermoplastic polymers are selected from thermoplastic polymers subject to uv degradation.. .
Rutgers, The State University Of New Jersey
Fluorine-based cathode materials for thermal batteries
A thermal battery can include an anode of lithium alloy; a metal-fluoride cathode; and an electrolyte composition in contact with the anode and cathode. The lithium alloy can be lithium silicone or lithium aluminum.
Cfd Research Corporation
Cage for rolling bearing
An object of the present invention is to provide a retainer 3 which can be made of a quick-wearing material such as ductile iron (spherical graphite cast iron) like a retainer 3 used in an angular ball bearing for a screw compressor yet can prevent premature wearing of a guide surface. A retainer 3 of an inner ring guide type for a rolling bearing, which makes contact with an inner ring 1 and is guided thereby during operation, has a guide clearance “b” with respect to the inner ring 1, and a pocket clearance “a”.
A sliding member has an alloy layer that is formed of an alloy having a predetermined shape, a binder resin that forms an overlay layer on an inner circumferential surface of the alloy layer, the inner circumferential surface sliding against a mating member, and a graphite that is contained in the overlay layer as a solid lubricant and that has a graphitization degree of 90% or more.. .
Taiho Kogyo Co., Ltd.
Flame retardant coating
A flame retardant coating is disclosed. The flame retardant coating comprises polyurea elastomer, spray processable graphite, a graphite stabilizer agent, and a flame retardant.
Method for producing exfoliated graphite and exfoliated graphite liquid dispersion, exfoliated graphite, exfoliated graphite liquid dispersion, and exfoliated graphite-resin composite material
A method for producing exfoliated graphite includes immersing a carbon material having a graphene-laminated structure in a liquid containing a liquid substance having a surface tension of 50 mn/m or less at 20° c.; heating the carbon material by radiating electromagnetic waves to the carbon material immersed in the liquid; and exfoliating the carbon material by gasifying the liquid in contact with the carbon material in the heating.. .
Sekisui Chemical Co., Ltd.
Lithium ion secondary battery
(where r1, r2, and r3 each represent an alkyl group having 1 to 2 carbon atoms or an alkoxyl group having 1 to 2 carbon atoms.) thus, expansion and contraction of the si material can be suppressed, as well as co-insertion of the phosphate and lithium ions into graphite in the lithium ion battery including the phosphate can be minimized.. .
Heat sink having a cooling structure with decreasing structure density
A heat sink for cooling a heat generating device comprises a body part with a first surface for contacting the heat generating device, and a second surface contacting a cooling part, and the cooling part including a cooling structure. The structure density of the cooling structure decreases with increasing distance to body part.
Alexiou & Tryde Holding Aps
The present invention addresses the problem of providing a disc brake pad friction material, which is capable of securing fade resistance and wear resistance while satisfying laws relating to copper component content and for which coating by electrostatic powder coating is favorable. As a means for solving the problem, a friction agent composition, which contains 0.3-5 weight % of flake graphite particles of 1-100 μm mean particle diameter with respect to the total amount of the friction material composition as a lubricant and in which the total amount of copper components contained in the friction material composition is less than 5 weight % of the total amount of the friction material composition, is used.
Nisshinbo Brake, Inc.