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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


Method for manufacturing a graphene layer

Method for manufacturing a graphene layer

Method for manufacturing a graphene layer

Negative electrode for lithium ion rechargeable battery and manufacturing method thereof

Date/App# patent app List of recent Graphite-related patents
10/23/14
20140315100
 Rechargeable lithium-sulfur battery having a high capacity and long cycle life patent thumbnailRechargeable lithium-sulfur battery having a high capacity and long cycle life
A rechargeable lithium-sulfur cell comprising an anode, a separator and/or electrolyte, a sulfur cathode, an optional anode current collector, and an optional cathode current collector, wherein the cathode comprises (a) exfoliated graphite worms that are interconnected to form a porous, conductive graphite flake network comprising pores having a size smaller than 100 nm; and (b) nano-scaled powder or coating of sulfur, sulfur compound, or lithium polysulfide disposed in the pores or coated on graphite flake surfaces wherein the powder or coating has a dimension less than 100 nm. The exfoliated graphite worm amount is in the range of 1% to 90% by weight and the amount of powder or coating is in the range of 99% to 10% by weight based on the total weight of exfoliated graphite worms and sulfur (sulfur compound or lithium polysulfide) combined.
10/23/14
20140312263
 Advanced thermal properties of a suspension with graphene nano-platelets (gnps) and custom functionalized f-gnps patent thumbnailAdvanced thermal properties of a suspension with graphene nano-platelets (gnps) and custom functionalized f-gnps
A method for producing nanofluids with multilayered graphene nanoplatelets for providing improved heat transfer coolant fluids. A method for optimizing the concentration of nanoplatelets based on their morphology that allows achieving high thermal conductivity and low viscosity thus resulting in high heat transfer coefficient.
10/23/14
20140311894
 Method for manufacturing a graphene layer patent thumbnailMethod for manufacturing a graphene layer
A method for manufacturing a graphene layer includes performing a sputtering process to form a graphite layer on a substrate, and performing a lithography process on the graphite layer for thinning the graphite layer and thereafter making the graphite layer thinned to become a graphene layer.. .
10/16/14
20140308586
 Negative electrode for lithium ion rechargeable battery and manufacturing method thereof patent thumbnailNegative electrode for lithium ion rechargeable battery and manufacturing method thereof
The present invention relates to a negative electrode for lithium ion rechargeable battery and a manufacturing method thereof. The negative electrode comprises at least one vermicular graphite and at least one pitch, wherein the vermicular graphite is fabricated by way of thermally treating an expandable graphite powder, and the pitch is adsorbed in the pores of the vermicular graphite.
10/16/14
20140308522
 Nano-graphite plate structure patent thumbnailNano-graphite plate structure
The present invention relates to a nano-graphite plate structure with n graphene layers stacked together, where n is 30 to 300. The nanometer nano-graphite structure has a tap density of 0.1 g/cm3 to 0.01 cm3, a thickness of 10 nm to 100 nm, and a lateral dimension of 1 μm to 100 μm.
10/16/14
20140308484
 Graphite film and method for producing graphite film patent thumbnailGraphite film and method for producing graphite film
A re-forming process is carried out in which a material graphite film is heat-treated to not less than 2000° c. While the material graphite film is being pressured.
10/16/14
20140308196
 Carbon dioxide fixation method using condensation polymerization, polymer material prepared thereby, method for recovering carbon from said polymer material, and graphite generated by said carbon recovery method patent thumbnailCarbon dioxide fixation method using condensation polymerization, polymer material prepared thereby, method for recovering carbon from said polymer material, and graphite generated by said carbon recovery method
This invention relates to a method of fixing carbon dioxide by condensation polymerization in an acidic aqueous medium, thereby increasing fixation efficiency and remarkably reducing the volume of generated material compared to conventional carbon dioxide fixation methods; a polymer material prepared by the method; and a method of recovering carbon therefrom. According to the current invention, the method of fixing carbon dioxide is characterized by introducing carbon dioxide pressurized to a pressure higher than atmospheric pressure into a reactor containing a acidic aqueous medium, so that carbonic acid resulting from dissolving carbon dioxide is made into a polymer material by condensation polymerization, thereby fixing carbon dioxide, and heating the polymer material so as to recover carbon..
10/16/14
20140305571
 Formation of a transparent conductive film by interfacial graphene assembly patent thumbnailFormation of a transparent conductive film by interfacial graphene assembly
Advantageous films and coatings (e.g., transparent conductive films), and improved methods for fabricating such films and/or coatings, are provided. The improved methods for fabricating transparent conductive films/coatings may involve trapping at least a portion of a layered material (e.g., graphene sheet(s) or layer(s) of graphite) at an interface of a phase separated system (e.g., at an interface of two non-mixing solvents).
10/09/14
20140303692
 Therapeutic laser treatment device patent thumbnailTherapeutic 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.
10/09/14
20140302439
 Method of manufacturing graphene, carbon nanotubes, fullerene, graphite or a combination thereof having a position specifically regulated resistance patent thumbnailMethod 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.. .
10/09/14
20140302417
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.
10/09/14
20140302416
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..
10/09/14
20140302396
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.
10/09/14
20140302394
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.
10/09/14
20140302373
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.
10/09/14
20140301886
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.
10/09/14
20140301880
Scroll compressor
[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..
10/09/14
20140300060
Floating seal
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 %.
10/09/14
20140300059
Floating seal
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 %.
10/09/14
20140299811
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.
10/09/14
20140299364
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.
10/09/14
20140299334
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.. .
10/09/14
20140298645
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.
10/02/14
20140295300
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..
10/02/14
20140295284
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.
10/02/14
20140295275
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..
10/02/14
20140295066
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.


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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