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Graphite patents



      
           
This page is updated frequently with new Graphite-related patent applications. Subscribe to the Graphite RSS feed to automatically get the update: related Graphite RSS feeds. RSS updates for this page: Graphite RSS RSS


Molded coolant plate assembly with integral reactant flow fields and thermal dam

Advanced graphite additive for enhanced cycle-life of lead-acid batteries

Electrode for secondary battery, secondary battery and cable-type secondary battery comprising the same

Date/App# patent app List of recent Graphite-related patents
09/11/14
20140256122
 Methods and apparatus for carbon ion source head patent thumbnailMethods and apparatus for carbon ion source head
Methods and apparatus for a carbon ion source head. An ionization chamber is configured to receive a process gas containing carbon and a noble carrier gas; a cathode is disposed in the ionization chamber and configured to emit electrons in thermionic emission; a graphite coating is provided on at least a portion of the cathode; and an outlet on the ionization chamber is configured to output carbon ions.
09/11/14
20140255811
 Molded coolant plate assembly with integral reactant flow fields and thermal dam patent thumbnailMolded coolant plate assembly with integral reactant flow fields and thermal dam
An end-cooler assembly for a fuel cell includes a cooler having a coolant tube array. A composite material includes flake graphite and hydrophobic polymer.
09/11/14
20140255775
 Advanced graphite additive for enhanced cycle-life of lead-acid batteries patent thumbnailAdvanced graphite additive for enhanced cycle-life of lead-acid batteries
An advanced graphite, with a lower degree of ordered carbon domains and a surface area greater than ten times that of typical battery grade graphites, is used in negative active material (nam) of valve-regulated lead-acid (vrla) type spiral wound 6v/25 ah lead-acid batteries. A significant and unexpected cycle life was achieved for the advanced graphite mix, where the battery was able to cycle beyond 145,000 cycles above the failure voltage of 9v, in a non-stop, power-assist, cycle-life test.
09/11/14
20140255742
 Electrode for secondary battery, secondary battery and cable-type secondary battery comprising the same patent thumbnailElectrode for secondary battery, secondary battery and cable-type secondary battery comprising the same
The present invention provides an electrode for a secondary battery, more specifically an electrode for a secondary battery, comprising a current collector; an electrode active material layer formed on at least one surface or the whole outer surface of the current collector; a graphite-based coating layer formed on the top surface of the electrode active material layer and comprising graphite, a conductive material and a first polymer binder; and a porous coating layer formed on the top surface of the graphite-based coating layer and comprising a second polymer binder. Also, the present invention provides a secondary battery and a cable-type secondary battery comprising the electrode..
09/11/14
20140255701
 Diamond-like carbon film and method for fabricating the same patent thumbnailDiamond-like carbon film and method for fabricating the same
A diamond-like carbon film for improving an efficiency of a field emitting element is disclosed in the present invention. The abovementioned diamond-like carbon film is deposited on a substrate and uses a mixture of graphite fiber and diamond powder as its nucleation layer.
09/11/14
20140255292
 Method for producing electrode material for lithium ion batteries patent thumbnailMethod for producing electrode material for lithium ion batteries
A method for producing a graphite material for lithium ion batteries, including a step for exothermically graphitizing a carbon material by directly applying an electric current therethrough. The carbon material is obtained by heating at a temperature in the range of 800° c.-1500° c.
09/11/14
20140255243
 Spline hub for clutch and manufacturing method thereof patent thumbnailSpline hub for clutch and manufacturing method thereof
A spline hub for a clutch and a manufacturing method thereof are provided. The spline hub may include c: 3.4˜3.9%, si: 2.1˜2.5%, mn: 0.2˜0.7%, p: 0.01% or less, s: 0.009˜0.02%, cu: 0.2˜0.4%, and mg: 0.04˜0.07% by weight ratio, with the remainder including iron (fe), as well as other impurities.
09/11/14
20140255238
 Rotor of vane pump and method of manufacturing rotor patent thumbnailRotor of vane pump and method of manufacturing rotor
A rotor of a vane pump and a method of manufacturing a rotor are provided. The rotor may be formed to include a plurality of radially formed slots and having a disk shape, and may include approximately 20% to 70% of pig iron, approximately 0.2% to 0.5% of copper (cu), and approximately 0.1% to 0.4% of iron (fe) by weight ratio, and scraps and steel wastes for the remainder, and may be formed of a nodular graphite cast iron including precipitated spheroidal graphite and having an austenite structure..
09/11/14
20140255237
 Vane pump patent thumbnailVane pump
A vane pump is provided that may include a rotor having a plurality of slots formed on an outer circumferential surface thereof; a vane slidably inserted into each of the plurality of slots; and a cam ring configured to receive the rotor therein and having a inner circumferential surface in contact with an end portion of the vane. The rotor may be formed of nodular graphite cast iron, the vane may be formed of high speed tool steel, and the cam ring may be formed of alloy cast iron..
09/11/14
20140255233
 Compacted/vermicular graphite cast iron for orbital or fixed scroll and manufacturing method of orbital or fixed scroll using the same patent thumbnailCompacted/vermicular graphite cast iron for orbital or fixed scroll and manufacturing method of orbital or fixed scroll using the same
Compacted/vermicular (cv) graphite cast iron for an orbital or fixed scroll and a method for manufacturing an orbiting or fixed scroll using the same are provided. The cv graphite cast iron may includes c: 3.4˜3.9%, si: 1.7˜2.6%, mn: 0.2˜0.8%, p: 0.02˜0.07%, s: 0.01˜0.03%, ti: 0.02˜0.1% by weight ratio, with the remainder including iron (fe) and other impurities.
09/11/14
20140251751
Fork for clutch and manufacturing method thereof
A fork for a clutch and a manufacturing method thereof are provided. The fork for a clutch may include c: 3.4˜3.9%, si: 2.1˜2.5%, mn: 0.2˜0.7%, p: 0.01% or less, s: 0.009˜0.02%, cu: 0.2˜0.4%, and mg: 0.04˜0.07% by weight ratio, with the remainder including iron (fe) and other impurities.
09/04/14
20140248543
Silicon nanostructure active materials for lithium ion batteries and processes, compositions, components and devices related thereto
The present invention relates to nanostructured materials for use in rechargeable energy storage devices such as lithium batteries, particularly rechargeable secondary lithium batteries, or lithium-ion batteries (libs). The present invention includes materials, components, and devices, including nanostructured materials for use as battery active materials, and lithium ion battery (lib) electrodes comprising such nanostructured materials, as well as manufacturing methods related thereto.
09/04/14
20140248528
Lithium-ion secondary battery
A negative electrode active material layer (243a) of a lithium-ion secondary battery (100a) contains natural graphite and artificial graphite as negative electrode active material particles. The negative electrode active material layer (243a) has a region (a1) facing the positive electrode active material layer (223) and regions (a2, a3) not facing the positive electrode active material layer (223).
09/04/14
20140248515
Battery pack assembly
A battery pack includes a plurality of cell assemblies each of which include one or more prismatic batteries. A frame has legs sized and configured to be positioned around the prismatic batteries.
09/04/14
20140248511
Centrifugally cast composite roll and its production method
A centrifugally cast composite roll comprising an outer layer made of cast iron having a chemical composition comprising, by mass, 2.7-3.5% of c, 1.5-2.5% of si, 0.4-1.0% of mn, 3.7-5.1% of ni, 0.8-2.2% of cr, 1.5-4.5% of mo, 2.0-4.5% of v, and 0.5-2.0% of nb, the balance being fe and inevitable impurities, a mass ratio of nb/v being 0.18-0.65, and a mass ratio of mo/v being 0.7-2.5, and a structure comprising, by area, 15-45% of a cementite phase and 1-10% of a graphite phase, and an inner layer made of cast iron having excellent mechanical strength and metallurgically bonded to the outer layer; a usable region of the outer layer as deep as 10 mm or more from the surface containing substantially no speck-like-segregated dendrites of bainite and/or martensite having diameters of 1.5 mm or more.. .
09/04/14
20140248493
Spherical carbon material and process for producing the spherical carbon material
The present invention provides a spherical carbon material in the form of isotropic particles which undergoes a considerably less change in shape even after subjected to carbonization or graphitization, and has a good crystal growth property. The present invention relates to a raw coke spherical carbon material in which an average of a plane-direction sphericity and an elevation-direction sphericity of particles of the spherical carbon material as measured in plane and elevation directions of particles of the spherical carbon material, respectively, by observation using a scanning electron microscope is not less than 60%, and a shape retention rate of the spherical carbon material after being heated at 1200° c.
09/04/14
20140248207
Graphene-carbon nanotube nanostructure and method of manufacturing same
Disclosed are a method of manufacturing a graphene-carbon nanotube nanostructure which includes mixing graphite, a catalytic metal, and an ionic liquid, and then radiating microwaves on the mixture, and a graphene-carbon nanotube nanostructure manufactured using the method.. .
09/04/14
20140248071
Fixing device and electrophotographic image forming apparatus
Provided is a fixing device whose required heat generation amount can be obtained with a smaller amount of a microwave absorbing material, hence start-up (warm-up) time for achieving fixable temperature of the fixing device can be shortened without impairing characteristics such as flexibility, releasing property, durability. The fixing device comprises: a heating member; a pressurizing member; and a microwave generating unit, the fixing device being configured to fix an unfixed toner on a recording material by passing the recording material through a nip formed between the heating member and the pressurizing member, wherein: the heating member includes a heat generating layer for generating heat with microwave generated by the microwave generating unit; and the heat generating layer contains a high molecular compound and a carbon fiber having an average fiber diameter of 80-150 nm, an average fiber length of 6-10 μm, and in raman spectrum, an absorption peak resulting from graphite structure..
09/04/14
20140246744
Method of manufacturing radiation detector and radiation detector
A graphite substrate is accommodated into a chamber where vacuum drawing is performed via a pump. Thereafter, carbon is heated under vacuum, whereby impurities in the carbon are evaporated causing the carbon to be purified.
09/04/14
20140246138
Process for producing graphite film and graphite film produced thereby
In order to obtain a graphite film having an excellent thermal diffusivity, a high density, and excellent flatness without flaws, recesses and wrinkles on the surface, the process for producing a graphite film according to the present invention comprises the graphitization step for a raw material film made of a polymer film and/or a carbonized polymer film and/or the post-planar pressurization step for the film in this order to prepare a graphite film, wherein the graphitization step is a step of thermally treating two or more stacked raw material films at a highest temperature of 2,000° c. And includes a method of electrically heating the raw material films themselves and/or a method of thermally treating the films while applying pressure to the films planarly, and the post-planar pressurization step includes a method of planarly pressurizing the one raw material film or the multiple stacked raw material films after graphitization by single-plate press or vacuum press..
09/04/14
20140245935
Furnace with refractory bricks that define cooling channels for gaseous media
A furnace is provided suitable for metallurgical processes, comprising at least one section comprised of refractory bricks with an outer shell plate adjacent to the refractory bricks, including exterior bricks whose external faces adjacent the shell plate define gaseous media cooling channels extending along the exterior of the refractory bricks between them and the shell plate. The furnace further comprises cooling plates within the cooling channels and joints between the successive courses of bricks.
08/28/14
20140242531
Reaction container and vacuum heat treatment apparatus having the same
A method of fabricating a reaction container according to the disclosure comprises putting graphite power in a molded member; and pressing the molded member, wherein the graphite powder comprises first graphite powder and second graphite powder having different particle sizes. A vacuum heat treatment apparatus comprises a chamber, a reaction container in the chamber, and a heat member heating the reaction container in the chamber, in which the reaction container comprises graphite, and the reaction container has a concentration in the range of 1.8 to 2.0..
08/28/14
20140242497
Composite separator for polymer electrolyte membrane fuel cell and method for manufacturing the same
The present invention provides a composite separator for a polymer electrolyte membrane fuel cell (pemfc) and a method for manufacturing the same. The inventive method involves allowing graphite foil layers to be brought into direct contact with each other when graphite foils are stacked on both sides of a carbon fiber reinforced composite material prepreg, thereby improving electrical conductivity in the thickness direction of the separator..
08/28/14
20140242349
Method and system for allignment of graphite nanofibers for enhanced thermal interface material performance
The exemplary embodiments of the present invention provide an apparatus and a thermal interface material with aligned graphite nanofibers in the thermal interface material to enhance the thermal interface material performance. The thermal interface material having a thickness between a first surface and a second surface opposite the first surface.


Popular terms: [SEARCH]

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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This listing is a sample listing of patent applications related to Graphite for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Graphite with additional patents listed. Browse our RSS directory or Search for other possible listings.
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