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Graphene patents

      

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 Scalable, printable, patterned sheet of high mobility graphene on flexible substrates patent thumbnailScalable, printable, patterned sheet of high mobility graphene on flexible substrates
The present invention provides methods for fabricating graphene workpieces. The present invention also provides for products produced by the methods of the present invention and for apparatuses used to perform the methods of the present invention..
The Trustees Of The University Of Pennsylvania


 Porous graphene network electrodes and an all-carbon lithium ion battery containing the same patent thumbnailPorous graphene network electrodes and an all-carbon lithium ion battery containing the same
Systems for the production of graphene oxide sheets are provided. The systems include electro-deposition and spray deposition techniques.
Rensselaer Polytechnic Institute


 Graphene-coated porous silicon-carbon composite and  manufacturing the same patent thumbnailGraphene-coated porous silicon-carbon composite and manufacturing the same
Provided are a porous silicon-carbon composite, which includes a core including a plurality of active particles, a conductive material formed on at least a portion of surfaces of the active particles, first pores, and second pores, and a first shell layer which is coated on the core and includes graphene, wherein the active particles include a plurality of silicon particles, silicon oxide particles, or a combination thereof, the first pores are present in the core and are formed by agglomeration of the plurality of active particles, and the second pores are irregularly dispersed and present in the core, has an average particle diameter smaller than an average particle diameter of the active particles, and are spherical, a method of manufacturing the same, and a negative electrode and a lithium secondary battery including the porous silicon-carbon composite.. .
Lg Chem, Ltd.


 Epitaxial growth of gallium arsenide on silicon using a graphene buffer layer patent thumbnailEpitaxial growth of gallium arsenide on silicon using a graphene buffer layer
Epitaxial growth of gallium arsenide (gaas) on a semiconductor material (e.g., si) using quasi-van der waals epitaxy (qvdwe). Prior to gaas growth a buffer layer (e.g., graphene) is deposited which relieves lattice mismatch/thermal expansion.
King Abdulaziz City For Science And Technology


 Graphene oxide free-standing film and methods for shielding electromagnetic radiation at microwave frequencies patent thumbnailGraphene oxide free-standing film and methods for shielding electromagnetic radiation at microwave frequencies
A composition of graphene oxide free-standing film, a method of making the film, and a method of using the film to shield electromagnetic radiation particularly at microwave frequencies from 1 ghz to 12 ghz. The composition comprises stacked layers of graphene oxide nanosheets oriented parallel to the film surface and stacked layers of graphene oxide nanosheets oriented perpendicular to the film surface.
King Abdulaziz University


 Process and device for forming a graphene layer patent thumbnailProcess and device for forming a graphene layer
The invention concerns a method of forming a graphene layer involving: heating a support layer in a reaction chamber; and forming the graphene layer on a surface of the support layer by: a) during a first time period, introducing into the reaction chamber an organic compound gas to cause a formation of carbon atoms on the surface; b) during a second time period after the first time period, reducing a rate of introduction of the organic compound gas into the reaction chamber and introducing into the reaction chamber a further gas, wherein the further gas is a carbon etching gas; and repeating a) and b) one or more times.. .
Centre National De La Recherche Scientifique


 Reinforced polymeric articles patent thumbnailReinforced polymeric articles
Polymeric article reinforced with a reinforcing component. The reinforcing component includes a composition made from at least one polymer and graphene sheets..
Kordsa Global Endustriyel Iplik Ve Kord Bezi Sanayi Ve Ticaret A.s.


 Covalently patterned graphene surfaces by a force accelerated cycloaddition reaction patent thumbnailCovalently patterned graphene surfaces by a force accelerated cycloaddition reaction
The present invention relates generally to molecular printing techniques for use in sensors, assays, and integrated optics and electronics. Specifically, the present invention relates to covalent patterning of graphene surfaces..
New York University


 Method and system for graphene formation patent thumbnailMethod and system for graphene formation
A method for forming graphene includes providing a substrate, subjecting the substrate to a reduced pressure environment, and providing a carrier gas and a carbon source. The method also includes exposing at least a portion of the substrate to the carrier gas, the carbon source, and at least one atmospheric gas and performing a cmos compatible etching process on the at least a portion of the substrate.
California Institute Of Technology


 Nanoporous membranes and methods for making the same patent thumbnailNanoporous membranes and methods for making the same
A method for making a nanoporous membrane is disclosed. The method provides a composite film comprising an atomically thin material layer and a polymer layer, and then bombarding the composite film with energetic particles to form a plurality of pores through at least the atomically thin material layer.
Lockheed Martin Corporation


Tamper detection circuits

In an example, a process includes forming a patterned layer on a polymer substrate. The process also includes depositing a graphene-containing material on the patterned layer to form a plurality of graphene traces of a tamper detection circuit..
International Business Machines Corporation

Tamper detection circuits

In an example, a polymeric material is disclosed. The polymeric material includes a polymer substrate and a plurality of graphene traces arranged to form a tamper detection circuit on the polymer substrate..
International Business Machines Corporation

Method for manufacturing storage battery electrode, storage battery electrode, storage battery, and electronic device

To provide a method for forming a storage battery electrode including an active material layer with high density in which the proportion of conductive additive is low and the proportion of the active material is high. To provide a storage battery having a higher capacity per unit volume of an electrode with the use of a storage battery electrode formed by the formation method.
Semiconductor Energy Laboratory Co., Ltd.

2d material super capacitors

Devices and methods are described relating to capacitor energy storage devices that are small in size and have a high energy stored to volume ratio. The capacitor devices include 2d material electrodes.
Synopsys, Inc.

Perforatable sheets of graphene-based material

Sheets of graphene-based material comprising single layer graphene and suitable for formation of a plurality of perforations in the single layer graphene are provided. In an aspect, the sheets of graphene-based material are formed by chemical vapor deposition followed by one or more conditioning steps.
Lockheed Martin Corporation

Graphene heat dissipators in portable electronic devices

The disclosed embodiments relate to techniques for facilitating thermal transfer in a portable electronic device. The portable electronic device includes a battery pack, which further includes a battery cell.
Apple Inc.

Coated leather articles and preparation

Article comprising at least one leather and/or artificial leather component that is coated with an ink or coating comprising graphene sheets.. .
Vorbeck Materials Corp.

Graphene-based infrared single photon detector

A detector for detecting single photons of infrared radiation. In one embodiment a waveguide configured to transmit infrared radiation is arranged to be adjacent a graphene sheet and configured so that evanescent waves from the waveguide overlap the graphene sheet.
Raytheon Bbn Technologies Corp.

Synthesis and processing of q-carbon, graphene, and diamond

Using processes disclosed herein, materials and structures are created and used. For example, processes can include melting boron nitride or amorphous carbon into an undercooled state followed by quenching.
North Carolina State University

Metal-free cvd coating of graphene on glass and other dielectric substrates

A catalyst-free cvd method for forming graphene. The method involves placing a substrate within a reaction chamber, heating the substrate to a temperature between 600° c.
Corning Incorporated

Biologically-relevant selective enclosures for promoting growth and vascularization

Two-dimensional materials, particularly graphene-based materials, having a plurality of apertures therein can be formed into enclosures for various substances and a fibrous layer can be provided on an outside and/or on an inside of the enclosure. The enclosures can be exposed to an environment, such as a biological environment (in vivo or in vitro), where the fibrous layer can promote vascular ingrowth.
Lockheed Martin Corporation

New saline inorganic composite materials for manufacturing heat-carrying and storage fluids

The composite material comprises nitrate and chloride anion inorganic salts which may also comprise sulphates, carbonates and/or nitrites and organic and inorganic nanoparticles, such as graphene, and cations of the alkaline, earth-alkaline, earth, carbon and/or amphigenic chemical groups. Said formulations have chemical and physical characteristics, such as the heat capacity, thermal stability and thermal conductivity thereof which make them optimum for being used as an alternative to the commercially available binary mixture in concentrating solar power plants..
Universidad Complutense De Madrid

Graphene-based coatings

The present disclosure relates to coatings comprising functionalized graphene(s) and polymers (resins). In accordance with the disclosure, graphene can be used with functionalization with polymers (resins) with or without pigments, fillers, reactive catalysts or accelerators as finishes to protect roll steel, galvanized roll steel, equipment, automobiles, ships, construction and marine structures from corrosion, fouling and uv deterioration..
Board Of Regents, The University Of Texas System

Graphene-augmented composite materials

Composite materials are augmented with functionalized graphene having added amine groups, benzoxazine groups, imide groups, or a combination of amine groups and imide groups on a surface of the graphene, epoxide groups formed on at least one edge of the graphene and/or holes formed through the graphene. The functionalized graphene is integrated into a composite material as a supplement to or as a replacement for either the carbon reinforcement material or the resin matrix material to increase strength of the composite materials, and may be in the form of a functionalized graphene nanoplatelet, a flat graphene sheet or film, or a rolled or twisted graphene sheet or film..
The Boeing Company

Nanoparticle modification and perforation of graphene

Multi-layer sheets of graphene-based material having a plurality of pores extending therethrough are described herein. Methods for making the sheets are also provided and include exposing a graphene-based material comprising multilayer graphene having from 2 to 10 layers of graphene to a particle beam comprising nanoparticles, the nanoparticles having an energy of at least 2 kev per nanoparticle..
Lockheed Martin Corporation

Highly crystalline 3d graphene

Disclosed here is a composition comprising at least one graphene aerogel comprising a three-dimensional structure of graphene sheets, wherein the graphene sheets are covalently interconnected, and wherein the graphene aerogel is highly crystalline. Also described is a method for making a graphene aerogel, comprising preparing a mixture comprising a graphene oxide suspension and at least one catalyst; curing the reaction mixture to produce a wet gel; drying the wet gel to produce a dry gel; and pyrolyzing the dry gel at a temperature of 1500-3500° c.
The Regents Of The University Of California

Perforated sheets of graphene-based material

Perforated sheets of graphene-based material having a plurality of perforations are provided. The perforated sheets may include perforated single layer graphene.
Lockheed Martin Corporation

Perforated graphene deionization or desalination

A fluid deionizer includes at least one graphene sheet perforated with apertures dimensioned to allow a flow of fluid and to disallow at least one particular type of ion contained in the flow of fluid. A purge valve is placed in an open position so as to collect the at least one particular type of ion disallowed by the graphene sheet so as to clean off the at least one graphene sheet.
Lockheed Martin Corporation

Enhanced graphene oxide membranes and methods for making same

A method for making a graphene oxide membrane and a resulting free-standing graphene oxide membrane that provides desired qualities of water permeability and selectivity at larger sizes, thinner cross sections, and with increased ruggedness as compared to existing membranes and processes.. .
Battelle Memorial Institute

Methods relating to isotopic water filtration

Methods for manufacturing an isotopic filtration module and methods for filtering water according to its isotopic forms. In some implementations, graphene oxide flakes may be dispersed in an aqueous medium to form a graphene oxide solution.
Energysolutions, Inc.

Implantable graphene membranes with low cytotoxicity

Two-dimensional materials can be formed into enclosures for various substances and a substrate layer can be provided on an outside and/or on an inside of the enclosure, wherein the enclosure is not cytotoxic. The enclosures can be exposed to an environment, such as a biological environment (in vivo or in vitro), where the fibrous layer can promote vascular ingrowth.
Lockheed Martin Corporation

Printed electronics

Printed electronic device comprising a substrate onto at least one surface of which has been applied a layer of an electrically conductive ink comprising functionalized graphene sheets and at least one binder. A method of preparing printed electronic devices is further disclosed..
Vorbeck Materials Corporation

Moisture-resistive graphene membrane cathode for lithium-air battery in ambient conditions

A metal-air battery includes: (1) a metal anode; (2) a cathode including a graphene membrane; and (3) an electrolyte disposed between the metal anode and the cathode, where the graphene membrane includes graphene in an amount of at least 80% by weight of the graphene membrane.. .
The Regents Of The University Of California

Catalyst layer

A catalyst layer including: (i) a platinum-containing electrocatalyst; (ii) an oxygen evolution reaction electrocatalyst; (iii) one or more carbonaceous materials selected from the group consisting of graphite, nanofibres, nanotubes, nanographene platelets and low surface area, heat-treated carbon blacks wherein the one or more carbonaceous materials do not support the platinum-containing electrocatalyst; and (iv) a proton-conducting polymer and its use in an electrochemical device are disclosed.. .
Johnson Matthey Fuel Cells Limited

Graphene application in battery

This disclosure relates to a battery and a method for its manufacture. The method of manufacture may include forming a cathode layer proximate to a cathode current collector.
Google Inc.

Multilayer structure including diffusion barrier layer and device including the multilayer structure

A multilayer structure includes a first material layer, a second material layer, and a diffusion barrier layer. The second material layer is connected to the first material layer.
Samsung Electronics Co., Ltd.

Equipment and method to automatically transfer a graphene monolayer to a substrate

Equipment to automatically transfer a graphene monolayer deposited on a metal layer and protected with a polymer layer to a substrate, comprising at least one liquid inlet, at least one sensor to control the level and ph of the liquids, at least one liquid outlet to drain the liquids, a stirring element to homogenise the liquid mixture and a ramp to feed in the substrate and method to automatically transfer a graphene monolayer to a substrate, which uses said equipment.. .
Graphenea, S.a.

Apparatus generating extreme ultraviolet light and exposure system including the same

An extreme ultraviolet (euv) light generation apparatus includes a source supplying unit in a chamber, the source supplying unit including a source material for generation of extreme ultraviolet light, a plasma generator to generate plasma from the source material, an optical unit in the chamber, and at least one protection film adjacent to the optical unit, the at least one protection film including at least one of graphite or graphene.. .
Samsung Electronics Co., Ltd.

Pretreatment method, graphene forming method and graphene fabrication apparatus

A pretreatment method is performed before a graphene grows by performing a cvd method on a catalyst metal layer formed on a workpiece. The method includes a plasma treatment process in which the catalyst metal layer is activated by applying plasma of a treatment gas including a reducing gas and a nitrogen-containing gas on the catalyst metal layer..
Tokyo Electron Limited

Graphite exfoliation method

A method of producing an aqueous dispersion of few-layer graphene nanosheets is disclosed, the method including: (a) mixing graphite particles with a perfluorosulfonate ionomer in an aqueous liquid, to form an aqueous dispersion of graphite particles; and (b) sonicating the aqueous dispersion of graphite particles to form an aqueous dispersion of few-layer graphene nanosheets, wherein the perfluorosulfonate ionomer is disposed as a thin and continuous layer on the few-layer graphene nanosheets. A composition is also disclosed, comprising an aqueous dispersion of a mixture of: (a) a perfluorosulfonate ionomer; and (b) a plurality of few-layer graphene nanosheets; wherein the perfluorosulfonate ionomer is disposed as a thin and continuous layer on the few-layer graphene nanosheets..
3m Innovative Properties Company

Apparatus and manufacturing graphene film

Disclosed is an apparatus and method of manufacturing a graphene film, wherein the apparatus includes a wrinkle flattening device configured to flatten wrinkles in a lamination structure including a base substrate and a graphene film laminated on the base substrate; and a first lamination apparatus configured to laminate a first substrate on the graphene film, wherein the wrinkle flattening device applies a vacuum to the base substrate when the wrinkle flattening device is in contact with the base substrate.. .
Graphene Square, Inc.

Apparatus and graphene wet transfer

Disclosed is an apparatus for graphene wet transfer, which includes: a reservoir body having at least two reservoirs; a barrier structure located on the reservoir and having at least one separated space formed by barriers; and a substrate frame located below the barrier structure and having at least one substrate accommodation groove for accommodating a target substrate to which graphene is transferred. Here, each reservoir may be filled with a solution for a wet transfer process, and the graphene may be separately located in each separated space in a floating state in the solution..
Korea Institute Of Science And Technology

Graphene or carbon nanotube materials and making and using the same

A graphene composite, and method of making and using the graphene composite.. .
University Of Virginia Patent Foundation

Systems and methods for graphene mechanical oscillators with tunable frequencies

A nano-electro-mechanical systems (nems) oscillator can include an insulating substrate, a source electrode and a drain electrode, a metal local gate electrode, and a micron-sized, atomically thin graphene resonator. The source electrode and drain electrode can be disposed on the insulating substrate.
The Trustees Of Columbia University In The City Of New York

Electrode connecting structure including adhesion layer and electronic device including the same

Provided are an electrode connecting structure that includes an adhesion layer formed between a graphene layer and a metal layer and an electronic device having the electrode connecting structure. The electrode connecting structure may include an adhesion layer formed of a two-dimensional material provided between the graphene layer and the metal layer.
Samsung Electronics Co., Ltd.

Method for growing graphene on surface of gate electrode and growing graphene on surface of source/drain surface

The present invention provides a method for growing graphene on a surface of a gate electrode and a method for growing graphene on a surface of a source/drain electrode, in which a low-temperature plasma enhanced vapor deposition process is adopted to grow a graphene film, of which a film thickness is controllable, on a gate electrode or a source/drain electrode that contains copper, and completely coincides with a pattern of the gate electrode or the source/drain electrode. The manufacturing temperature of graphene is relatively low so that it is possible not to damage the structure of a thin-film transistor to the greatest extents and the supply of carbon sources that is used wide, having low cost and a simple manufacturing process, where existing pecvd facility of a thin-film transistor manufacturing line can be used without additional expense.
Shenzhen China Star Optoelectronics Technology Co. Ltd.

Two-dimensional material hard mask, manufacturing the same, and forming material layer pattern using the hard mask

A 2d material hard mask includes hydrogen, oxygen, and a 2d material layer having a layered crystalline structure. The 2d material layer may be a material layer including one of a carbon structure (for example, a graphene sheet) and a non-carbon structure..
Samsung Electronics Co., Ltd.

Collector electrode protection layer for dye-sensitized solar cells and forming the same

A collector electrode protection layer for dye-sensitized solar cells includes an electrode layer formed on a transparent electrode substrate and having a plurality of metal electrodes which are spaced apart from each other; and a first barrier layer formed on an entire surface of the transparent electrode substrate on which the electrode layer is formed. The first barrier layer is a reduced graphene oxide..
Research & Business Foundation Sungkyunkwan University

Spherical fusion reactor with aerogel material

A spherical nuclear fusion reactor machine is provided that uses a graphene aerogel material to enclose a fuel reaction zone. In illustrative examples described herein, the graphene aerogel material functions as a greybody material and includes a heavy noble gas such as xenon, krypton or argon or combinations thereof.





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This listing is a sample listing of patent applications related to Graphene 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 Graphene with additional patents listed. Browse our RSS directory or Search for other possible listings.


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