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Method of manufacturing graphene, carbon nanotubes, fullerene, graphite or a combination thereof having a position…
Metal separator for fuel cell and manufacturing method thereof
|| List of recent Graphite-related patents
|Therapeutic laser treatment device|
A therapeutic device includes a garment configured to be worn on a user's body over a treatment area. The therapeutic device includes a plurality of therapeutic electromagnetic (em) energy emitting devices, fixed to the garment at locations within the garment for irradiating the treatment area with em energy when the garment is worn over the treatment area.
|Method of manufacturing graphene, carbon nanotubes, fullerene, graphite or a combination thereof having a position specifically regulated resistance|
Provided are a method of manufacturing graphene, carbon nanotubes, fullerene, graphite, or a combination thereof having a regulated resistance, and a material manufactured using the method.. .
|Epoxy methacrylate based adhesive for fuel cell flow field plates|
An electrically conductive adhesive is disclosed for bonding anode and cathode flow field plates together for use in fuel cells. The adhesive formulation comprises epoxy methacrylate resin and non-fibrous carbon particles but little to no carbon fibres.
|Metal separator for fuel cell and manufacturing method thereof|
A metal separator for a fuel cell and a manufacturing method thereof are provided, in which a graphite carbon layer with a minute thickness is formed on the surface of a substrate, to improve conductivity. The manufacturing method includes preparing a metal substrate; loading the metal substrate into a chamber with a vacuum atmosphere; coating a graphite carbon layer by depositing carbon ions ionized from a coating source on a surface of the metal substrate; and unloading the metal substrate having the graphite carbon layer coated thereon to an exterior of the chamber..
|Nano silicon-carbon composite material and preparation method thereof|
The invention relates to a nano silicon-carbon composite negative material for lithium ion batteries and a preparation method thereof. A porous electrode composed of silica and carbon is taken as a raw material, and a nano silicon-carbon composite material of carbon-loaded nano silicon is formed by a molten salt electrolysis method in a manner of silica in-situ electrochemical reduction.
|Lithium ion battery graphite negative electrode material and preparation method thereof|
A lithium ion battery graphite negative electrode material and preparation method thereof. The lithium ion battery graphite negative electrode material is a composite material including graphite substrates, surface coating layers coated on the graphite substrates and carbon nanotubes and/or carbon nanofibers grown in situ on the surface of the surface coating layers.
|Printed energy storage device|
An energy storage device includes a printed current collector layer, where the printed current collector layer includes nickel flakes and a current collector conductive carbon additive. The energy storage device includes a printed electrode layer printed over the current collector layer, where the printed electrode layer includes an ionic liquid and an electrode conductive carbon additive.
|Iron-based sintered powder metal for wear resistant applications|
A powder metal material comprises pre-alloyed iron-based powder including carbon present in an amount of 0.25 to 1.50% by weight of the pre-alloyed iron-based powder. Graphite is admixed in an amount of 0.25 to 1.50% by weight of the powder metal material.
[solution] the slide bearing results from baking onto a back metal a sliding layer of 5-60 wt % graphite having an average diameter of 5-50 μm and a graphitization degree of at least 0.6, the remainder comprising a polyimide resin and/or a polyamide-imide resin. The form of the graphite has: (a) an average shape factor (yave) as defined of 1-4 for the particles excluding the minute particles that are no greater than 0.5 times the average diameter, and there being at least 70% by number of particles having a shape factor (y) in the range of 1-1.5; or (b) graphite particles having a particle ratio of at least 0.5 being at least 50% of the total by number..
A floating seal comprises c, si, mn, ni, cr, mo, v, and b with the remainder being made up of fe and unavoidable impurities. The contents of the c, si, mn, ni, cr, mo, v and b are c: 2.2 to 3.9 wt %, si: 0.5 to 3.5 wt %, mn: 0.1 to 2.0 wt %, ni: 0.5 to 4.3 wt %, cr: 7.5 to 25.0 wt %, mo: 0 to 8.0 wt % (excluding 0 %), v: 0 to 6.0 wt % (excluding 0%), and b: 0.02 to 0.4 wt %.
A floating seal material comprises c, si, mn, ni, cr, and b with the remainder being made up of fe and unavoidable impurities. The contents of the c, si, mn, ni, cr, and b are: c: 2.2 to 3.8 wt %, si: 0.5 to 3.5 wt %, mn: 0.1 to 2.0 wt %, ni: 2.0 to 5.5 wt %, cr: 0.9 to 4.0 wt %, and b: 0.02% to 0.4 wt %.
|Highly thermal conductive nanocomposites|
Disclosed are methods for forming carbon-based fillers as may be utilized in forming highly thermal conductive nanocomposite materials. Formation methods include treatment of an expanded graphite with an alcohol/water mixture followed by further exfoliation of the graphite to form extremely thin carbon nanosheets that are on the order of between about 2 and about 10 nanometers in thickness.
|Electrically conductive article with high optical transmission|
A transparent conductive article includes a transparent substrate, a thin electrically conductive grid, and a carbon nanolayer. The grid is disposed on the substrate, and the carbon nanolayer is also disposed on the substrate and in contact with the grid.
|Sealing material for annular barriers|
The present invention relates to an annular barrier for providing zone isolation between a first zone and a second zone in a borehole or a casing downhole, the annular barrier comprising a tubular part and an expandable element made of metal surrounding the tubular part, and the annular barrier having a circumference, a longitudinal extension and an outer face and further comprising an annular seal comprising a sealing material, the sealing material extending around the outer face of the annular barrier and having a bundle of strands wherein at least one strand comprises graphite and/or carbon.. .
|Method of making a cathode|
A battery cathode is made by mixing electrochemically active cathode material, graphite, water and an aqueous based binder to provide a mixture. The mixture is extruded continuously into a cathode.
|Acid resistant, monolithic fuel cell cooler assembly|
A composite plate (26) is formed in a mold (8) by placing one of two preforms (15, 23) of between about 80 wt.% and about 85 wt.% flake graphite, balance polymer binder, into the mold and disposing a coolant tube array (18) thereon, depositing a powder (21) of the flake/polymer around the tube array, placing a second preform on the powder and a mold plunger (27) on the second preform, heating the mold to the melting temperature of the polymer under a pressure of 625 psi (4311 kpa), cooling the mold to the solidification temperature of the polymer while still under pressure, cooling the mold further, disassembling the mold, and removing the composite plate. The composite plate has reactant gas flow field channels (31, 32) in major surfaces thereof, is devoid of any acid edge protection layer or film and is devoid of any acid impervious separator plate between either of the fuel cell reactant gas flow fields and the coolant tube array..
|Method for producing amorphous carbon particles, amorphous carbon particles, negative electrode material for lithium ion secondary battery, and lithium ion secondary battery|
A method for producing amorphous carbon particles comprising includes adding and mixing graphite particles into a precursor of amorphous carbon and then cross-linking the precursor of amorphous carbon to obtain a first cross-linked product, or cross-linking a precursor of amorphous carbon and then adding and mixing graphite particles into the cross-linked precursor of amorphous carbon to obtain a second cross-linked product. Infusibility is imparted to the first or second cross-linked product to obtain an infusibilized product to which infusibility has been imparted.
|Lithium manganese phosphate/carbon nanocomposites as cathode active materials for secondary lithium batteries|
The invention relates to a lithium manganese phosphate/carbon nanocomposite as cathode material for rechargeable electrochemical cells with the general formula lixmnym1-y(po4)z/c where m is at least one other metal such as fe, ni, co, cr, v, mg, ca, al, b, zn, cu, nb, ti, zr, la, ce, y, x=0.8-1.1, y=0.5-1.0, 0.9<z<1.1, with a carbon content of 0.5 to 20% by weight, characterized by the fact that it is obtained by milling of suitable precursors of lixmnym1-y(po4)z with electro-conductive carbon black having a specific surface area of at least 80 m2/g or with graphite having a specific surface area of at least 9.5 m2/g or with activated carbon having a specific surface area of at least 200 m2/g. The invention also concerns a process for manufacturing said nanocomposite..
|Electroless plating of silver onto graphite|
A one-pot process for the electroless-plating of silver onto graphite powder is disclosed. No powder pretreatment steps for the graphite, which typically require filtration, washing or rinsing, are required.
|Thermally conductive sheet, process for producing the same, and radiator utilizing thermally conductive sheet|
A thermally conductive sheet includes a composition containing graphite particles (a) in the form of a scale, an elliptic sphere or a rod, a 6-membered ring plane in a crystal thereof being oriented in the plane direction of the scale, the major axis direction of the elliptic sphere, or the major axis direction of the rod, and an organic polymeric compound (b) having a tg of 50° c. Or lower.
|Composite electrode for lithium ion capacitor|
A lithium-ion capacitor includes a cathode, an anode, and a porous separator positioned between the cathode and the anode. The cathode is formed using activated carbon, and the anode is formed from a composite material that includes lithium titanium oxide and a carbon material such as hard carbon or graphite..
|Optical device and method for manufacturing same|
Provided are an optical device and a method for manufacturing same. The optical device according to the present invention including: a transparent amorphous substrate; a current injection layer formed on the substrate; a graphite layer formed on the current injection layer; and a semiconductor unit formed on the graphite layer, wherein the semiconductor unit is formed after forming the graphite layer on the amorphous substrate, thereby overcoming the problems of conventional methods that involve forming a semiconductor unit on an amorphous substrate, and the semiconductor unit of the present invention has superior crystallinity..
|Sensor and method for manufacturing a sensor|
The present invention refers to a sensor (10) having a layer arrangement (12), wherein the layer arrangement (12) comprises at least a base layer (14), a middle layer (16) and an outer layer (18), wherein the middle layer (16) is arranged at least partly upon and in contact with the base layer (14) and wherein the outer layer (18) is arranged at least partly upon and in contact with the middle layer (16), wherein the base layer (14) comprises a metal, wherein the middle layer (16) comprises a metal oxide, and wherein the outer layer (18) is porous and comprises a material selected from the group comprising electrically conductive carbon compounds such as, more particularly, graphite or carbon nanotubes (cnts), organic electrical conductors and base metals, and wherein electrical contacts can be formed with the base layer (14) and outer layer (18) for a conductivity measurement and/or a resistance measurement. Such a sensor (10) provides a high sensitivity with a high selectivity already at ambient temperature and is furthermore producible especially cost-saving.
|Coated industrial automation device|
According to various embodiments, a coating mixture is capable of being applied on a substrate. The coating mixture includes acidified graphite particles, a suspension of polytetrafluoroethylene resin in water, and silver ion doped microporous particles.
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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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