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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
|| List of recent Graphite-related patents
|Methods 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.
|Molded 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.
|Advanced 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.
|Electrode 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..
|Diamond-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.
|Method 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.
|Spline 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.
|Rotor 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..
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..
|Compacted/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.
|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.
|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.
|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).
|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.
|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.. .
|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.
|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.. .
|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..
|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.
|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..
|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.
|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..
|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..
|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.
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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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