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Graphene

Graphene-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Graphene-metal hybrid foam-based electrode for an alkali metal battery
Nanotek Instruments, Inc.
December 07, 2017 - N°20170352869

Provided is a lithium or sodium metal battery having an anode, a cathode, and a porous separator and/or an electrolyte, wherein the anode contains a graphene-metal hybrid foam composed of multiple pores, pore walls, and a lithium- or sodium-attracting metal residing in the pores; wherein the metal is selected from au, ag, mg, zn, ti, na (or li), k, ...
Alkali metal battery having an integral 3d graphene-carbon-metal hybrid foam-based electrode
Nanotek Instruments, Inc.
December 07, 2017 - N°20170352868

Provided is a lithium or sodium metal battery having an anode, a cathode, and a porous separator and/or an electrolyte, wherein the anode contains an integral 3d graphene-carbon hybrid foam composed of multiple pores, pore walls, and a lithium-attracting metal residing in the pores; wherein the metal is selected from au, ag, mg, zn, ti, na, k, al, fe, ...
Graphene-semiconductor based wavelength selective photodetector for sub-bandgap photo detection
The University Of Hong Kong
December 07, 2017 - N°20170352492

Graphene photodetectors capable of operating in the sub-bandgap region relative to the bandgap of semiconductor nanoparticles, as well as methods of manufacturing the same, are provided. A photodetector can include a layer of graphene, a layer of semiconductor nanoparticles, a dielectric layer, a supporting medium, and a packaging layer. The semiconductor nanoparticles can be semiconductors with bandgaps larger than the ...
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Graphene-based nanosensor for identifying target analytes
The Trustees Of Columbia University In The City Of New York
December 07, 2017 - N°20170350882

A microdevice for monitoring a target analyte is provided. The microdevice can include a field effect transistor comprising a substrate, a gate electrode, and a microfluidic channel including graphene. The microfluidic channel can be formed between drain electrodes and source electrodes on the substrate. The microdevice can also include at least one aptamer functionalized on a surface of the graphene. ...
Molecular detection apparatus and molecular detection method
Kabushiki Kaisha Toshiba
December 07, 2017 - N°20170350854

A molecular detection apparatus according to an embodiment includes: a distributor which ionizes a target containing substances to be detected, applies voltage to ionized substances, and extracts the substances to be detected according to a time-of-flight based on the speed; a detector which detects the substance to be detected dropped from the distributor; and a discriminator which discriminates the substance ...
Integration of monolayer graphene with a semiconductor device
Board Of Regents, The University Of Texas System
December 07, 2017 - N°20170350835

The integration of monolayer graphene with a semiconductor device for gas sensing applications involves obtaining a cmos device that is prepared to receive monolayer graphene channels. After population of the monolayer graphene channels on the cmos device, electrical contacts are formed at each end of the monolayer graphene channels with interconnect vias having sidewalls angled at less then 90°. Additional ...
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Graphene Patent Applications
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  • 677+ full patent PDF documents of Graphene-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
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Anti-corrosion composite layers
Enerage Inc.
December 07, 2017 - N°20170349763

An anti-corrosion composite layer includes a first anti-corrosion coating coated on a substrate, and a second anti-corrosion coating coated on the first anti-corrosion coating. The first anti-corrosion layer includes a plurality of first graphene nanosheets and a first carrier resin, wherein a surface of each the first graphene nanosheet has a first lipophilic functional group for chemically bonding to the ...
Stretchable electrically conductive layer formation by aerosol jet printing on flexible substrate
Duke University
November 30, 2017 - N°20170347460

Methods of forming an electrically conductive layer on a flexible substrate, such as a stretchable electrode, by aerosol jet printing on the flexible substrate while the substrate is strained. In general, a stretchable substrate is initially deformed so that a first surface thereof is under tension. While the substrate is in the strained state, an ink is aerosol jet printed ...
Graphene powder, electrode paste for lithium ion battery and electrode for lithium ion battery
Toray Industries, Inc.
November 30, 2017 - N°20170346098

The present invention relates to preparation of a highly dispersible graphene powder. Further, the present invention includes providing an electrode for a lithium ion battery having good output characteristics and cycle characteristics by utilizing a highly dispersible graphene powder. The present invention also includes providing a graphene powder having a specific surface area of 80 m2/g or more to 250 m2/...
Methods of graphene growth and related structures
National Taiwan University
November 30, 2017 - N°20170346010

A method and structure for providing uniform, large-area graphene by way of a transfer-free, direct-growth process. In some embodiments, a sam is used as a carbon source for direct graphene synthesis on a substrate. For example, a sam is formed on an insulating surface, and a metal layer is formed over the sam. The metal layer may serve as a ...
Schottky barrier diode and electronic apparatus
Fujitsu Limited
November 30, 2017 - N°20170345950

A schottky barrier diode includes a graphene nanoribbon, a first electrode connected to one end of the graphene nanoribbon, and a second electrode connected to the other end of the graphene nanoribbon. The graphene nanoribbon includes a first part and a second part which are connected in the length direction of the graphene nanoribbon and which differ in electronic state. ...
Graphene double-barrier resonant tunneling device
Nokia Technologies Oy
November 30, 2017 - N°20170345898

An apparatus comprising: a fermion source nanolayer (90); a first insulating nanolayer (92); a fermion transport nanolayer (94); a second insulating nanolayer (96); a fermion sink nanolayer (98); a first contact for applying a first voltage to the fermion source nanolayer; a second contact for applying a second voltage to the fermion sink nanolayer; and a transport contact for enabling an electric current via the ...
A new class of electrocatalysts
William Marsh Rice University
November 30, 2017 - N°20170342578

Embodiments of the present disclosure pertain to electrocatalysts that include a surface and a plurality of catalytically active sites associated with the surface. The catalytically active sites include individually dispersed metallic atoms that are associated with heteroatoms. In some embodiments, the surface includes graphene oxide, the heteroatoms include nitrogen, and the metallic atoms include cobalt. Additional embodiments of the present ...
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Graphene Patent Applications
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  • 677+ full patent PDF documents of Graphene-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Method of producing graphene-based materials, obtainable materials and their use
City University Of Hong Kong
November 30, 2017 - N°20170341937

A method of producing a graphene-based material, namely a direct sonication assisted method for producing a graphene-based material, in particular comprising 2d porous graphene includes subjecting a mixture of at least one carbide compound and at least one etching compound to sonication. This method enables the production of large amounts of a graphene-based material in a short time at ambient ...
Microfluidic biosensor for allergen detection
University Of Guelph
November 30, 2017 - N°20170341077

The present application relates to biosensors and methods for detecting and/or quantifying a target analyte such as a target allergen or toxin. In some embodiments, the biosensors use an allergen- or toxin-binding molecule conjugated to a fluorescent label such as a quantum dot that adheres to and is quenched by graphene oxide in the absence of the allergen or ...
Graphene oxide membranes and related methods
Massachusetts Institute Of Technology
November 30, 2017 - N°20170341034

Membranes comprising graphene oxide sheets and associated filter media and methods are provided. In some embodiments, a membrane may comprise graphene oxide sheets that have undergone one or more chemical treatments. The chemical treatment(s) may impart beneficial properties to the membrane, such as a relatively small d-spacing, compatibility with a broad range of environments, physical stability, and charge neutrality. ...
Chemical-free production of graphene-encapsulated electrode active material particles for battery applications
Massachusetts Institute Of Technology
November 23, 2017 - N°20170338472

Provided is a simple, fast, scalable, and environmentally benign method of producing graphene-embraced or encapsulated particles of a battery electrode active material directly from a graphitic material, the method comprising: a) mixing graphitic material particles and multiple particles of a solid electrode active material to form a mixture in an impacting chamber of an energy impacting apparatus, wherein the graphitic ...
Fabrication method for casting graphene quantum dots on light-emitting diodes and structure thereof
Chung Yuan Christian University
November 23, 2017 - N°20170338386

The present invention provides a fabrication method for casting graphene quantum dots on leds and the structure thereof. A graphene and an ethanol are mixed uniformly. After the laser ablation, centrifugal purification, and molecular filtration processes, a graphene quantum dots solution is produced. Afterwards, the graphene quantum dots solution is dripped on a light-emitting surface of an led using a ...
Direct transfer of multiple graphene layers onto multiple target substrates
Sabic Global Technologies B.v.
November 23, 2017 - N°20170338312

Disclosed is a method of making a conductive material or active material that includes graphene or other 2-d materials. The method includes obtaining a layered stack. The layered stack including one or more conductive materials or 2-d materials separated by a metal layer, and one or more substrate materials. The stack can be subjected to a metal removal process to ...
Graphene nmos transistor using nitrogen dioxide chemical adsorption
Qualcomm Incorporated
November 23, 2017 - N°20170338311

An n-type metal-oxide-semiconductor (nmos) transistor comprises a graphene channel with a chemically adsorbed nitrogen dioxide (no2) layer formed thereon. The nmos transistor may comprise a substrate having a graphene layer formed thereon and a gate stack formed on a portion of the graphene layer disposed in a channel region that further includes a spacer region. The gate stack may comprise ...
Photodetector using bandgap-engineered 2d materials and method of manufacturing the same
Samsung Electronics Co., Ltd.
November 23, 2017 - N°20170338260

A photodetector includes an insulating layer on a substrate, a first graphene layer on the insulating layer, a 2-dimensional (2d) material layer on the first graphene layer, a second graphene layer on the 2d material layer, a first electrode on the first graphene layer, and a second electrode on the second graphene layer. The 2d material layer includes a barrier ...
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