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Graphene patents

      

This page is updated frequently with new Graphene-related patent applications.

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new patent Electrode, storage battery, power storage device, and electronic device
A power storage device with high capacity is provided. A power storage device with high energy density is provided.
Semiconductor Energy Laboratory Co., Ltd.


new patent A producing a graphene layer
The present invention relates to a method of preparing an at least partially transparent and conductive layer (22) comprising graphene, the method comprising the steps of: (a) applying a dispersion comprising graphene oxide onto a substrate to form a layer comprising graphene oxide on the substrate, and (b) heating at least part of the layer obtained in step (a) by laser irradiation (34) at a laser output power of at least 0.036 w, thereby chemically reducing at least a part of the graphene oxide to graphene (33) and physically reducing the thickness of the layer by ablation. An advantage of the present invention is that it provides a simplified method of preparing a layer comprising graphene.
Philips Lighting Holding B.v.


new patent Graphene fet devices, systems, and methods of using the same for sequencing nucleic acids
Provided herein are devices, systems, and methods of employing the same for the performance of bioinformatics analysis. The apparatuses and methods of the disclosure are directed in part to large scale graphene fet sensors, arrays, and integrated circuits employing the same for analyte measurements.
Edico Genome, Corp.


new patent Semiconductor device and a forming a semiconductor device
A method for forming a semiconductor device includes forming at least one graphene layer on a surface of a semiconductor substrate. The method further includes forming a silicon carbide layer on the at least one graphene layer..
Infineon Technologies Ag


new patent Conducting film and producing the same
A conducting film of the present invention includes (a) graphene and/or graphene oxide, and/or derivatives thereof, and (b) a compound having a sulfonic acid group, and/or derivatives thereof, and has a volume resistivity of 1×104 Ω·cm or less. A method for producing the conducting film of the present invention includes preparing a dispersion by dispersing a component including (a) graphene and/or graphene oxide, and/or derivatives thereof, and (b) a compound having a sulfonic acid group, and/or derivatives thereof in a dispersion medium, applying the dispersion on a substrate and drying it, and performing heat treatment at a temperature of 100° c.
Fuji Polymer Industries Co., Ltd.


new patent Method of infusing fibrous substrate with conductive organic particles and conductive polymer; and conductive fibrous substrates prepared therefrom
A method of infusing fibrous substrates with conductive organic particles (e.g. graphene/graphite) and conductive polymer, and the resulting electrically conductive fibrous substrates prepared therefrom are disclosed.
The University Of Connecticut


new patent Pellicle for reticle and multilayer mirror
A pellicle that includes graphene is constructed and arranged for an euv reticle. A multilayer mirror includes graphene as an outermost layer..
Asml Netherlands B.v.


new patent Flexible nitrogen dioxide gas sensor based on tungsten trioxide nanoparticles coated carbon nanotubes-graphene oxide hybrid and manufacturing the same
A flexible nitrogen dioxide sensor based on tungsten trioxide nanoparticles-loaded multi-walled carbon nanotubes-reduced graphene oxide (wo3 nps-loaded mwcnts-rgo) hybrid on a polyimide/polyethylene terephthalate substrate. A viscous gel of the hybrid materials can be prepared by the assistance of α-terpineol.
University Of Ulsan Foundation For Industry Cooperation


new patent Graphene production method, graphene production apparatus and graphene production system
There is provided a graphene production method including: forming a catalyst metal film on a surface of a substrate; heating the catalyst metal film; and cooling the heated catalyst metal film, wherein the forming a catalyst metal film includes introducing carbons into the catalyst metal film.. .
Tokyo Electron Limited


new patent Process for producing a graphene film
Fabrication method of a graphene film including the following successive steps: placing the substrate and a solid carbon source in a reaction chamber, provided with a gas inlet; and heating the solid carbon source, by flow of a current in said source, under a gas flow, the gas being devoid of hydrocarbon, so as to convert at least a part of the solid carbon source into a graphene film on the substrate.. .
Commissariat À L'energie Atomique Et Aux Energies Alternatives


new patent

Graphene oxide nanocomposite membrane having improved gas barrier characteristics and manufacturing the same

The present invention relates to a technique of manufacturing a graphene oxide nanocomposite membrane in which 3 μm to 5 μm-sized graphene oxide is coated with a thickness of 10 nm or more on various supports, or a graphene oxide nanocomposite membrane having a structure in which graphene oxide is inserted into a polymer. The graphene oxide nanocomposite membrane manufactured according to the present invention has excellent barrier characteristics against various gases even when graphene oxide, of which the size is controlled to 3 μm to 5 μm, is coated as a nanometer-thick thin film on various supports or the graphene oxide nanocomposite membrane has a simple structure in which graphene oxide is inserted into a polymer, and thus the graphene oxide nanocomposite membrane can be applied to the packaging of display devices, food, and medical products..
Iucf-hyu (industry-university Cooperation Foundation Hanyang University)

new patent

Preparation graphene/metal composite board

A method for preparing a graphene/metal composite sheet includes adding polyvinyl alcohol into distilled water and heat to about 100° c. Under stirring to prepare a polyvinyl alcohol solution; dispersing graphene in distilled water using ultrasonication to prepare a graphene solution; mixing the polyvinyl alcohol solution and the graphene solution to form a graphene/polyvinyl alcohol mixed slurry; after a metal sheet is subjected to a surface activation treatment, coating the graphene/polyvinyl alcohol mixed slurry onto the metal sheet at both upper and lower surfaces; vacuum sintering to remove the polyvinyl alcohol in the surface coating to obtain a graphene/metal plate; overlaying at least two graphene/metal plates and bonding them together via hot isostatic pressing to form multilayer graphene/metal plates; and hot rolling the bonded multilayer graphene/metal plates to form the graphene/metal composite sheet..
Avic Beijing Institute Of Aeronautical Materials

new patent

Method for reinforcing metal material by means of graphene

A method of reinforcing a metallic material includes adding graphene to an alcohol solution; subjecting the alcohol solution containing graphene to sonication; mixing a metal powder with the alcohol solution containing graphene; milling the metal powder and alcohol solution containing graphene mixture; drying the metal powder and alcohol solution containing graphene mixture to form a composite powder; subjecting the composite powder to a densification process followed by a hot isostatic pressing treatment to form a composite material; and molding the composite material by hot extrusion.. .
Avic Beijing Institute Of Aeronautical Materials

new patent

Graphene oxide nanocomposite membrane for gas separation, reduced graphene oxide nanocomposite membrane, and manufacturing the same

The present invention relates to a technology for manufacturing a nanocomposite membrane comprising a graphene oxide coating layer with a thickness of 1 nm to 50 nm, which is formed on various supports and has nanopores, and a reduced graphene oxide nanocomposite membrane, and applying the membranes to gas separation. The graphene oxide nanocomposite membrane for gas separation of the present invention has excellent gas permeability and selectivity at the same time, and especially, excellent hydrogen gas permeability and hydrogen gas selectivity compared with carbon dioxide, and the reduced graphene oxide nanocomposite membrane has remarkably enhanced hydrogen gas permeability and hydrogen gas selectivity compared with carbon dioxide, and thus the membranes are applicable as a gas separation membrane in an industrial field involving a hydrogen separation process.
Iucf-hyu (industry-university Cooperation Foundation Hanyang University)

Microphone diaphragm

Embodiments of the present invention relate to microphones diaphragms. In one embodiment, a sensor comprising a diaphragm comprised of a composition having a plurality of individual graphene sheets.
Vorbeck Materials Corp.

Vacuum transistor structure using graphene edge field emitter and screen electrode

A device having: a substrate having a dielectric surface; a gate electrode; a drain electrode; a source electrode having a conductive contact and a two-dimensional material edge; and a dielectric material between the source and the gate. The source is adjacent to the gate.
The Government Of The United States Of America, As Represented By The Secretary Of The Navy

Graphene layer transfer

A method to transfer a layer of graphene from one substrate to another substrate is provided. The method includes providing a first layered structure including, from bottom to top, a copper foil, a layer of graphene, an adhesive layer and a carrier substrate.
International Business Machines Corporation

Method of forming graphene nanopattern, graphene-containing device, and manufacturing the graphene-containing device

Methods of forming a graphene nanopattern, graphene-containing devices, and methods of manufacturing the graphene-containing devices are provided. A method of forming the graphene nanopattern may include forming a graphene layer on a substrate, forming a block copolymer layer on the graphene layer and a region of the substrate exposed on at least one side of the graphene layer, forming a mask pattern from the block copolymer layer by removing one of a plurality of first region and a plurality of second regions of the block copolymer, and patterning the graphene layer in a nanoscale by using the mask pattern as an etching mask.
Samsung Electronics Co., Ltd.

Graphene/metal nanowire hybrid transparent conductive films

A hybrid transparent conductive film, and methods for fabricating such hybrid transparent conductive films, involving the assembly of two-dimensional graphene-based materials with one-dimensional silver and/or copper nanowires with high optical transmittance and good electrical conductivity. The hybrid films are characterized by a good degree of control of the architecture at the nanoscale level, where the weakness(es) of each component are offset by the strengths of the other components.
Board Of Regents, The University Of Texas System

Method for manufacturing monocrystalline graphene

The present invention provides a method for manufacturing a monocrystalline graphene layer, comprising the steps of: forming polycrystalline graphene on a substrate by using a hydrocarbon gas to grow a graphene layer aligned on a wafer-scale insulator substrate in one direction like a monocrystal; forming a catalyst on the polycrystalline graphene; and recrystallizing the polycrystalline graphene to monocrystalline graphene by heat-treating the polycrystalline graphene and the catalyst.. .
Korea Research Institute Of Standards And Science

Graphene reinforced polyethylene terephthalate

A composition and a method are provided for graphene reinforced polyethylene terephthalate (pet). Graphene nanoplatelets (gnps) comprising multi-layer graphene are used to reinforce pet, thereby improving the properties of pet for various new applications.
Niagara Bottling, Llc

Carbon material, resin composite material, and producing said carbon material and resin composite material

Provided is a resin composite material having a small number of voids and excellent tenacity. The resin composite material may be one obtained by mixing a carbon material having a graphene structure and having a content of less than 1 weight % of a volatile component volatilizable at 200° c.
Sekisui Chemical Co., Ltd.

Graphene reinforced polyethylene terephthalate

A composition and a method are provided for graphene reinforced polyethylene terephthalate (pet). Graphene nanoplatelets comprising a suitable initial surface area are added to a solvent for producing pet.
Niagara Bottling, Llc

Graphene composite acoustic diaphragm

The disclosure relates to an audio device that includes a diaphragm having a graphene material, such as a graphene flake, that is incorporated into a base material. The audio device may form part of a speaker device, a microphone device, or a headphone device.
Apple Inc.

Lithium-ion storage battery and electronic device

To provide a storage battery including a carbon-based material. To provide a graphene compound film having desired ion conductivity and mechanical strength while preventing direct contact between electrodes in a storage battery.
Semiconductor Energy Laboratory Co., Ltd.

Novel carbonized polyaniline-grafted silicon nanoparticles encapsulated in graphene sheets for li-ion battery anodes

A method for producing a graphene-composite material, including removing any oxide layer from each of a plurality of silicon nanoparticles, forming a polyaniline layer over each clean silicon nanoparticle, binding a graphene oxide sheet to the polyaniline layer of each particle, and carbonizing the polyaniline to yield a plurality of composite particles. Each composite particle has a graphene outer layer substantially encapsulating a silicon inner core..
Indiana University Research And Technology Corporation

Nanometer scale microscopy via graphene plasmons

Novel and advantageous systems and methods for performing nanometer-scale microscopy using graphene plasmons (gps) are provided. Sub-diffraction microscopy can be achieved, taking advantage of the extremely small plasmon wavelength and low dissipation of gps.
The Texas A&m University System

Film and coatings from nanoscale graphene platelets

A composite material includes a magnesium alloy and a layer consisting of nanoscale graphene platelets on at least a part of the surface of the magnesium alloy. A process for manufacturing such a composite material includes providing a magnesium alloy, providing nanoscale graphene platelets and applying the nanoscale graphene platelets to at least a part of the surface of the magnesium alloy..
Airbus Defence And Space Gmbh

Catalyst composite and preparation thereof for isomerization of paraffins

A catalyst composition is provided for isomerization of paraffins comprising of at least one heteropoly acid and reduced graphene oxide. Further provided are a process for preparation of the catalyst composition and a process for isomerization of paraffins using the catalytic composition..
Hindustan Petroleum Coporation Ltd.

Graphene-enhanced orthopedic cutting instruments

An orthopedic reamer cutting tool is disclosed that incorporates a second material such as graphene having an increased coefficient of thermal conductivity to remove heat generated at the tissue cutting surface during use. The reamer is constructed having a hemispherical cutting shell that extends from an equatorial base to an apex at a distal end.
Greatbatch Ltd.

Graphene oxide based electrochemical cell and battery

A graphene oxide based electrochemical cell and a battery containing a plurality of electrochemical cells, at least one of which is the graphene oxide based electrochemical cell. The graphene oxide based electrochemical cell includes an aqueous electrolyte solution, an anode and a cathode contained in a vessel, wherein the aqueous electrolyte solution includes water, graphene oxide nanosheets and cucl2 dissolved in the water..
King Abdulaziz University

Conducting material composition, and slurry composition for forming electrode of lithium rechargeable battery and lithium rechargeable battery using the same

The present invention relates to a conducting material composition capable of forming an electrode in which at least two kinds of carbon based materials are contained in a uniformly dispersed state to enable a battery such as a lithium rechargeable battery having more improved electrical and lifetime characteristics to be provided, and a slurry composition for forming an electrode of a lithium rechargeable battery and a lithium rechargeable battery using the same. The conducting material composition contains: at least two kinds of conductive carbon-based materials selected from the group consisting of carbon nano tube, graphene, and carbon black; and a dispersant containing a plurality kinds of poly aromatic hydrocarbon oxides, wherein the dispersant contains poly aromatic hydrocarbon oxides having a molecular weight of 300 to 1000 at a content of 60 wt.
Lg Chem, Ltd.

Graphene photodetector and graphene optical modulator

According to one embodiment, a graphene photodetector includes a substrate, a first insulating film, first and second high-refractive-index regions, first and second conductive semiconductor regions, a second insulating film, a graphene film, a third insulating film, third and fourth high-refractive-index regions, a fourth insulating film, first and second electrodes, and third and fourth electrodes. The first, second, third and fourth high-refractive-index regions and portions sandwiched by the first, second, third and fourth high-refractive-index regions constituting an integrated optical waveguide..
Kabushiki Kaisha Toshiba

Ultrasonic identification devices and methods of making and using same

Ultrasonic identification devices, and methods of making and use same. The present invention further relates to ultrasonic id devices using membranes (such as membranes made of graphene or a polyester film)..
Clean Energy Labs, Llc

Graphene in optical systems

The examples disclosed herein are related to graphene-based materials on see-through optical displays. One example provides, a computing device, including a see-through display system including an optical component through which a surrounding environment is viewable, an electrical component disposed on a user-facing side of the optical component, and a graphene-based layer disposed on the optical component, the graphene-based layer comprising a greater thickness of a graphene-based material on a portion closer to the electrical component and a lesser thickness of a graphene-based material on a portion farther from the electrical component..

Chemical sensor using molecularly-imprinted single layer graphene

Sensing methods are sought to overcome the disadvantages—poor sensitivity and selectivity, poor long-term stability, and undeployable. Sensor of these teachings for detecting and recognizing target molecules includes a layer of molecularly imprinted polymer disposed on a single layer graphene sheet.
Polestar Technologies, Inc.

High thermal conductivity graphite and graphene-containing composites

Micro-nano hybrid composites exhibiting desirable thermal conductivity levels due to the presence of specific ratios of graphite to graphene that have been found to reduce the overall thermal interface resistance. The composites are preferably epoxy matrix composites in some embodiments.
Case Western Reserve University

Method of growing a graphene coating or carbon nanotubes on a catalytic substrate

A method of growing a graphene coating or carbon nanotubes on a catalytic substrate by chemical vapor deposition is provided. In the method, the chemical vapor deposition is carried out in an atmosphere in which a ratio pox/pred is about 5×10−6 or less, wherein pox is the partial pressure oxidizing species in the atmosphere and pred is the partial pressure of reducing species in the atmosphere.
Valorisation-recherche, Limited Partnership

Functionalized reduced graphene oxide and methods of producing the same

Functionalized reduced graphene oxide (functionalized rgo), and a method of producing the same are provided. The functionalized reduced graphene oxide comprises reduced graphene oxide which is fluorinated and co-doped with at least one co-dopant selected from the group consisting of b, n and s.
Research & Business Foundation Sungkyunkwan University

Oxygen functionalized graphene nanoflake, a stable and surfactant-free graphene nanoflake nanofluid and method from making same

The present describes an oxygen functionalized nanoflake (o-gnf), a stable nanofluid in which the graphene nanoflakes remain dispersed or in suspension free of surfactants, and the method of making the oxygen-functionalized nanoflake. The oxygen-functionalized graphene nanoflake (o-gnf and/or o—n-gnf) comprises a single-crystal graphene nanoflake of 5-20 atomic planes comprising a surface oxygen-functionalization, wherein the o-gnf comprise a degree of oxygen functionalization from about 6 to about 25 at.
The Royal Institution For The Advancement Of Learning / Mcgill University

Rechargeable nickel ion battery based on nano carbonmaterials

This invention discloses a rechargeable nickel ion battery based on the nano-carbon materials. The said nickel ion battery is composed of a nano-carbon material cathode, a nickel anode, an separator, and an electrolyte containing nickel ions.
Graduate School At Shenzhen, Tsinghua University

Cathode additives to provide an excess lithium source for lithium ion batteries

A lithium ion electrochemical cell is described in which the lithium comprising further comprises a lithiation agent. The lithiation agent, which comprises a lithium constituent, is designed to provide an excess source of lithium to minimize capacity loss of the lithium ion electrochemical cell.
Sinode Systems, Inc.

Organic light-emitting diode display device, manufacturing method thereof, and display apparatus

The present disclosure provides an organic light-emitting diode (oled) display device, a manufacturing method thereof, and a display apparatus containing the oled display device. A pattern of an anode layer is formed over a base substrate.
Ordos Yuansheng Optoelectronics Co., Ltd.

Josephson junction readout for graphene-based 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.

Composites and methods of making composite materials

A method of making a composite material includes disposing a carbon-based particulate material, such as graphene or carbon nanotubes, in an activation solution and activating surfaces of the carbon-based particulate material using the activation solution. Once the surfaces of the carbon-based particulate material have been activated a metallic coating is applied to the activated surfaces to form a composite material.
Hamilton Sundstrand Corporation





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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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