This page is updated frequently with new Graphite-related patent applications.
|| List of recent Graphite-related patents
|Heat management an electronic device|
A heat management apparatus for an electronic device that includes a heat spreader. The heat spreader has a top surface and a bottom surface.
Google Technology Holdings Llc
|Display device with flexible circuit board having graphite substrate|
A display device is provided. The display device includes a light engine having light emitting components mounted to a flexible circuit board having a flexible graphite substrate.
Graftech International Holdings Inc.
|Flexible circuit board with graphite substrate and circuit arrangements using same|
A flexible circuit board having a flexible graphite substrate is provided. The flexible circuit board includes a dielectric layer formed on the surface of the flexible graphite substrate and an electrically conductive layer formed on the surface of the dielectric.
Graftech International Holdings Inc.
|Lithium storage battery|
A rechargeable battery is provided such that the positive electrode comprises graphite, the negative electrode also comprises graphite, and the electrolyte is a solution of lithium bromide in a lactone.. .
|Radioactive waste solidification method|
A radioactive waste (zeolite to which cs-137 was adsorbed) in a waste tank and a glass raw material (soda lime glass) in a glass raw material tank are supplied into a solidifying vessel. graphite in a graphite tank is also supplied into the solidifying vessel.
Hitachi-ge Nuclear Energy, Ltd.
|Heated graphite scrubber to reduce interferences in ozone monitors|
The present invention provides a means of greatly reducing interferences from mercury vapor, uv-absorbing compounds and water vapor in the measurement of ozone by uv absorbance. A heated graphite scrubber destroys greater than 99% of ozone passing through it while reducing biases from typical atmospheric uv-absorbing interferents by large factors compared to conventional ozone scrubbers.
2b Technologies, Inc.
|Led light arrangement with flexible circuit board having graphite substrate|
An led light arrangement is provided. The light arrangement includes led light emitting components mounted to a flexible circuit board having a flexible graphite substrate.
Graftech International Holdings Inc.
|Method of producing gasket and gasket|
A method of producing a gasket in which burrs can be prevented from being formed, and a mold failure can be suppressed, and a gasket are provided. A method of producing a gasket includes: a step s1 of preparing a metal mesh member and expanded graphite; a step s2 of placing the metal mesh member around the expanded graphite in a manner that a long belt-like composite body in which the expanded graphite is enveloped by the metal mesh member is formed; a step s4 of adjusting the shapes of longitudinal end portions of the composite body in a manner that, in the short-side direction of the composite body, the width dimensions of the longitudinal end portions of the composite body are smaller than the width dimension of a longitudinal middle portion of the composite body; a step s5 of spirally winding the composite body in a manner that a tubular body in a multiply wound state in which an axial direction coincides with the short-side direction of the composite body is formed; and a step s6 of compress molding the tubular body in the axial direction of the tubular body..
Nippon Pillar Packing Co., Ltd.
A heat-resistant gasket is provided with a first coating plate in which an annularly continuous emboss portion is formed and which is made of metal, a second coating plate which is arranged so as to face to the first coating plate in a thickness direction and is brought into close contact with a convex surface of the emboss portion, in which end portions in an inner peripheral side of the emboss portion are connected in a state of being in close contact with and lapped over the first coating plate and which is made of metal, and an expanded graphite core which is pinched between the first coating plate and the second coating plate, in a portion between the emboss portion and the overlapped portion of the end portions. Therefore, excellent sealing performance can be maintained even under a high-temperature environment while preventing stress relaxation due to heat..
|Process for making triple graded cvc-cvd-cvc silicon carbide products|
A chemical vapor composite process for making high quality silicon carbide suitable for optical and structural components with low intrinsic stress and high thermal stability. In the cvc process solid micron-scale silicon carbide particles are incorporated into a high purity chemical vapor stream and injected into a high temperature furnace.
Polyamide resin composition and molded article comprising the same
A polyamide resin composition containing a polyamide resin (a) and a property imparting component. The composition comprises relative to 100 parts by volume of the polyamide resin (a), as the property imparting component, 50 to less than 100 parts by volume of flake graphite (b), 5 to 40 parts by volume of carbon fibers (c), and 0.1 to 5 parts by volume of a polyhydric alcohol (d)..
Ube Industries, Ltd.
Method of fabricating carbon nanotube sheet scrolled fiber reinforced polymer composites and compositions and uses thereof
A novel method of fabricating carbon nanotube sheet scrolled fiber and fiber tows (carbon, graphite, glass, natural polymer, synthetic polymer, metallic, silicon carbide, kevlar, etc.) in composites with improved interfacial shear strength, compressive strength, yield strength, stiffness and toughness has been reported. Single or multiple layers of carbon nanotube sheet, with a bias/wrapping angle of 0° and 90°, has been scrolled around single fiber and fibers tows to improve the above mentioned mechanical properties of the matrix surrounding the fiber.
The Board Of Regents, The University Of Texas System
Manufacturing apparatus of high purity mox nanostructure and manufacturing the same
There is disclosed that a mox nanostructure manufacturing apparatus and a manufacturing method thereof can not only supply a reaction gas more effectively to the surface of a molten metal with ease by injecting a carrier gas to the surface of the molten metal above a graphite crucible as well as bringing the reaction gas in the lower side of the graphite crucible, but also maximize volatilization rates through an inflow of the reaction gas from the lower portion toward the upper of the graphite crucible.. .
Korea Institute Of Energy Research
Oxidized graphite and carbon fiber
A mechanochemical oxidation process that allows relatively benign oxidizers to be used for the production of at least partially oxidized graphite, and a method of preparing a carbon fiber using oxidized graphite and a fiber component. Partially oxidized graphite is fully dispersible in water and can be used to prepare thin films with conductivities rivaling pure graphite.
University Of Central Florida Research Foundation, Inc.
Electrochemical process for producing graphene, graphene oxide, metal composites, and coated substrates
A process and system for the electrochemical production of graphene, graphene oxide, graphene quantum dots, graphene/graphene oxide metal composites, graphene/graphene oxide coated substrates and graphene/graphene oxide metal composite coated substrates in a single step process involving no secondary purifications utilizes an electrochemical cell containing electrodes with variable gaps including a zero gap, containing an anode electrode including graphite, a cathode electrode including electrically conductive material with an electrolyte-free electrochemical bath including water and an organic liquid that produces joule heating along with oxygen embrittlement.. .
Rochester Institute Of Technology
Method for producing synthetic diamonds
A method of producing diamonds comprises the steps of providing a nano-structured carbonaceous material, and thermally treating the nano-structured carbonaceous material in an oxygen-containing environment so as to produce diamonds. The nano-structured carbonaceous material may be materials such as carbon nano-particles, carbon nano-tubes and carbon nano-scrolls.
Cambridge Enterprise Limited
Graphene entrainment in a host
This is generally a method of producing graphene-containing suspensions of flakes of high quality graphene/graphite oxides and method of producing graphene/graphite oxides. Both the exfoliating graphite into flakes and oxidizing the graphite flakes and the preparation and suspension of the flakes can be done with high volume production and at a low cost..
Composite sheet, production method thereof and electronic apparatus using the same
A composite sheet includes a graphite layer, a heat insulation layer including a fiber and a heat insulation material and a fiber layer located between the graphite layer and the heat insulation layer, wherein the fiber layer comprises the fiber. An electronic apparatus includes an electronic component that involves heat generation, a housing and the composite sheet, wherein the composite sheet is placed between the electronic component and the housing..
Panasonic Intellectual Property Management Co.,ltd
Nonaqueous electrolyte solution and nonaqueous electrolyte battery using same
The object of the present invention is to provide a nonaqueous electrolyte secondary battery which has excellent balance of general performance with respect to performance including durability, capacity, resistance, and output characteristics. Provided is a nonaqueous electrolyte battery comprising a positive electrode and a negative electrode each being capable of occluding and releasing metal ions, and a nonaqueous electrolyte solution, wherein the nonaqueous electrolyte solution contains an electrolyte, a nonaqueous solvent, and at least one compound selected from the group consisting of a compound having a fluorosulfonyl structure (—so2f), a difluorophosphate, and an isocyanate compound, and wherein the negative electrode has a negative electrode active material containing metal particles capable of alloying with li and graphite particles..
Mitsubishi Chemical Corporation
Electronically conductive polymer binder for lithium-ion battery electrode
A family of carboxylic acid groups containing fluorene/fluorenon copolymers is disclosed as binders of silicon particles in the fabrication of negative electrodes for use with lithium ion batteries. Triethyleneoxide side chains provide improved adhesion to materials such as, graphite, silicon, silicon alloy, tin, tin alloy.
The Regents Of The University Of California
Lithium ion secondary battery
A lithium ion secondary battery includes: a positive electrode including a positive electrode active material; a negative electrode formed by coating a negative electrode active material mixture onto a surface of a negative electrode collector, the negative electrode active material mixture including a negative electrode active material, a conductive additive, and a binder; a separator interposed between the positive electrode and the negative electrode; and an electrolyte, in which the negative electrode active material includes graphite and an si alloy, inequities of 0.43≦x≦9.0 and 8≦y<18 are satisfied when a mass ratio of the graphite and the si alloy is defined as x and a coating amount of the negative electrode active material mixture is defined as y (mg/cm2). Thus, an initial capacity thereof can be increased and a capacity retention rate thereof can be improved in the lithium ion secondary battery which includes the si alloy in the negative electrode..
Method of manufacturing paste for manufacturing of negative electrode, manufacturing negative electrode for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery
Provided is a method of manufacturing paste for manufacturing of a negative electrode of a lithium ion secondary battery which contains a graphite material, a conductive auxiliary agent, a thickening agent, and a water-based binder. The method includes: a process (a) of dry-mixing the graphite material and the conductive auxiliary agent to prepare a mixture containing the graphite material and the conductive auxiliary agent; a process (b) of adding an aqueous solution, which contains the thickening agent, to the mixture, and wet-mixing the resultant mixture to prepare a paste precursor; and a process (c) of adding an aqueous emulsion solution, which contains the water-based binder, to the paste precursor, and additionally wet-mixing the resultant mixture to prepare the paste for manufacturing of a negative electrode..
Nec Energy Devices, Ltd.
Method for fractionating dioxins
The interior of a fractionating tool for fractionating dioxins is packed with a purification layer and an adsorption layer. The adsorption layer includes a first adsorption layer including an activated carbon-containing silica gel layer and a graphite-containing silica gel layer, and a second adsorption layer including an alumina layer.
Miura Co., Ltd.
Composite active material for lithium secondary batteries and producing same
The purpose of the present invention is to provide: a composite active material for lithium secondary batteries, which is capable of providing a lithium secondary battery that has large charge and discharge capacity, high-speed charge and discharge characteristics and good cycle characteristics at the same time; and a method for producing the composite active material for lithium secondary batteries. The present invention is characterized in that the composite active material for lithium secondary batteries is constituted by flat particles having generally any of a rounded disk shape, a flattened ellipsoidal body shape, or a broad bean-type shape; the flat particles include at least one structure in which particles of a battery active material capable of combining with lithium ions are sandwiched between folds consisting of graphite; the battery active material capable of combining with lithium ions has an average particle diameter of 1 μm or less; some of the folds consisting of graphite are inclined from a vertical axis direction to a flat surface in a cross section vertical to the flat surface of the flat particles, the some of the folds being positioned other than at a vicinity of both ends in the longitudinal direction in the cross section; and the structure in which the particles of the battery active material capable of combining with lithium ions are sandwiched between the folds consisting of graphite has an orientation that is generally parallel with the flat surface..
Connexx System Corporation
Epdm roofing membranes with expandable graphite as flame retardant
A method of preparing an epdm roofing membrane panel, the method comprising preparing a vulcanizable composition including expandable graphite by mixing an epdm rubber and expandable graphite, forming a sheet from said vulcanizable composition, preparing a green membrane panel using said sheet, and curing said green membrane panel to form the epdm roofing membrane panel, where said steps of preparing a vulcanizable composition, said step of forming a sheet, said step of preparing a green membrane, an said step of curing each include a peak temperature at which each of said steps respectively take place, and where the expandable graphite has an onset temperature above said peak temperature of each respective step.. .
Firestone Building Products Co, Llc
Multilayer liner for chemical vapor deposition furnace
A multilayer liner for a chemical vapor deposition furnace may include a first layer comprising graphite and a second layer comprising a metal or alloy. The first layer may define an internal surface of the multilayer liner, and the multilayer liner may define a substantially closed internal volume.
Cleaning gas and cleaning method
A cleaning gas according to the present invention is intended for removing a silicon carbide-containing deposit on a base of at least partially graphitized carbon and is characterized by containing iodine heptafluoride. It is possible by the use of such a cleaning gas to remove silicon carbide without etching of graphite..
Central Glass Company, Limited
Large scale oxidized graphene production for industrial applications
Existing methods of producing high quality graphene/graphite oxides are generally accomplished by exfoliating graphite into flakes and oxidizing the graphite flakes with strong oxidizers under extreme conditions and require careful purification. The oxidizers are typically strong acids used in high concentrations at elevated temperatures requiring complicated purification processes to yield oxidized graphene/sheets.
Fine-grained targets for laser synthesis of carbon nanotubes
A mechanically robust, binder-free, inexpensive target for laser synthesis of carbon nanotubes and a method for making same, comprising the steps of mixing prismatic edge natural flake graphite with a metal powder catalyst and pressing the graphite and metal powder mixture into a mold having a desired target shape.. .
U.s.a. As Represented By The Administrator Of The National Aeronautics And Space Administration
Composite metal and bone orthopedic fixation devices
Composite orthopedic devices that facilitate spine stabilization, such as: bone screws, rods, plates, interbodies, and corpectomy cages are disclosed. They are designed to provide both strength and load carrying capabilities, while increasing bio-integration of the devices with the surrounding bone tissue.
Method for synthesizing ionic liquids having a carbonate functional group and ionic liquids thus obtained
The application of this method will be found in the field of green chemistry and more specifically in the production of ionic liquids which can be used in lithium batteries with a graphite electrode.. .
Silicon-containing particle, negative-electrode material for use in non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery
A silicon-containing particle is provided for use as a negative-electrode active material of a non-aqueous electrolyte secondary battery, wherein a crystal grain size is 300 nm or less, the crystal grain size being obtained by a scherrer method from a full width at half maximum of a diffraction line attributable to si and near 2θ=28.4° in an x-ray diffraction pattern analysis, and a true density is more than 2.320 g/cm3 and less than 3.500 g/cm3. Silicon-containing particles are provided for use as a negative-electrode active material of a non-aqueous electrolyte secondary battery that enable manufacture of a non-aqueous electrolyte secondary battery having an excellent cycle characteristics and a higher capacity compared with graphite types..
Shin-etsu Chemical Co., Ltd.
Thermodynamic model of a nervous system
A thermodynamic model of the nervous system was designed consisting of a vessel, an insulated oscillating chemical reaction (belouvsa-zhabotinsky reaction), platinum and graphite electrodes, a solenoid surrounding the vessel, an on-off dc generator and an oscilloscope connected to the electrodes. This thermodynamic model is an open, autocatalytic, chaotic system not at equilibrium that reflects the nature of a nervous system.
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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