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Graphite patents



      

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




Date/App# patent app List of recent Graphite-related patents
07/14/16
20160204435 
 Negative electrode material, negative electrode active material, negative electrode and alkali metal ion battery patent thumbnailNegative electrode material, negative electrode active material, negative electrode and alkali metal ion battery
There is provided a carbonaceous negative electrode material used for an alkali metal ion battery. The average layer plane spacing d002 of a (002) plane obtained using an x-ray diffraction method in which a cukα ray is used as a radiation source is 0.340 nm or greater, and either or both the following condition a and condition b are satisfied.
Sumitomo Bakelite Co., Ltd.


07/14/16
20160204430 
 Nonaqueous electrolyte secondary battery patent thumbnailNonaqueous electrolyte secondary battery
The generation of as in nonaqueous electrolyte secondary batteries during storage at elevated temperature is reduced to improve the elevated-temperature storage properties thereof. A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte solution.
Sanyo Electric Co., Ltd.


07/14/16
20160204422 
 Battery anode patent thumbnailBattery anode
A battery anode including a metallic current collector layer adjacent a first major surface of a graphite layer and a silicon containing anode layer adjacent a second major surface of the graphite layer. One application for such anode is in a lithium-ion battery..
Graftech International Holdings Inc.


07/14/16
20160200579 
 Carbon products derived from lignin/carbon residue patent thumbnailCarbon products derived from lignin/carbon residue
A precursor having at least five percent of lignin based coke and d002 spacing of more than 3.36 angstroms and less 3.44 for making graphite. Methods for making a green/graphite article include mixing coke derived from a petroleum product, a coal product or a bitumen product with coke derived from lignin.
Graftech International Holdings Inc.


07/07/16
20160197345 
 Composite active material for lithium secondary batteries and  producing same patent thumbnailComposite active material for lithium secondary batteries and producing same
Provided is a production method for a composite active material for lithium secondary batteries which enables production of an electrode material in which volume expansion is suppressed even after repeated charging and discharging, and enables production of a lithium secondary battery exhibiting excellent cycle characteristics. A composite active material for lithium secondary batteries is produced using a mixing step of mixing graphite having a specific surface area of not less than 30 m2/g, silicon monoxide, and a carbon precursor to obtain a mixture; a conglobation step of performing conglobation treatment on the mixture and obtaining a spherical mixture; and a heating step of heat-treating the spherical mixture and producing a substantially spherical composite active material for lithium secondary batteries..
Tosoh Corporation


07/07/16
20160196890 
 Conductive graphene-metal composite material, the production  the same and use of the same patent thumbnailConductive graphene-metal composite material, the production the same and use of the same
A production process of a conductive material includes processing graphite oxide into a graphene suspension comprising graphene monolayer nanoflakes, and processing the graphene suspension and metal or metal oxide so as to provide a liquid comprising a composite as the conductive material.. .
Boe Technology Group Co., Ltd.


07/07/16
20160195804 
 Methods of fabricating pellicles using supporting layer patent thumbnailMethods of fabricating pellicles using supporting layer
The method includes forming a graphite layer on a substrate, forming a supporting layer on the graphite layer to form a stack of the graphite layer and the supporting layer, removing the substrate to separate the stack from the substrate, transferring the stack of the graphite layer and the supporting layer onto a frame, and removing the supporting layer from the frame.. .
Research & Business Foundation Sungkyunkwan University


07/07/16
20160195150 
 Friction material for clutch patent thumbnailFriction material for clutch
A clutch friction material includes a base material containing a rubber material and a thermosetting resin. The clutch friction material also includes an intermediate layer disposed on the base material.
Nissan Motor Co., Ltd.


07/07/16
20160194474 
 Composite reinforcing material and molding material patent thumbnailComposite reinforcing material and molding material
P4 is a peak intensity of a (101) plane of the hexagonal graphite layer (2h) based on the x-ray diffraction method.. .

07/07/16
20160194250 
 Method for producing graphite film patent thumbnailMethod for producing graphite film
Provided is a long and large-area graphite film having improved thermal diffusivity and flex resistance, and accompanied by ameliorated ruffling. According to a method for producing a graphite film, in which graphitization of a heat-treated film consisting of a carbonized polymer film is carried out in a state being wrapped around an internal core, the method being characterized in that a heat treatment is executed by controlling distance(s) between the internal core and the film, and/or between the layers of the film, a graphite film accompanied by significantly ameliorated ruffling can be obtained..
Kaneka Corporation


07/07/16
20160194207 

Method for exfoliating carbonaceaous materials containing graphite, assisted by a diels-alder reaction


The present invention relates to a process for exfoliating graphite in carbonaceous materials facilitated by a diels-alder reaction, and the applications of same, in particular for producing electronic or microelectronic components such as transparent conductive electrodes. The inventive method comprises a diels-alder reaction between a material containing graphite and an anthrone compound represented by formula (i), wherein x, r1, r2, r3 and r4 are as defined in the description, in an organic solvent, in the presence of a base, and subjected to sonication, ball-milling and/or high-shear mixing, at a temperature of between 15° c.
Centre National De La Recherche Scientifique - Cnrs


07/07/16
20160194204 

Graphite film


Provided is a long and large-area graphite film having improved thermal diffusivity and flex resistance, and accompanied by ameliorated ruffling. According to a method for producing a graphite film, in which graphitization of a heat-treated film consisting of a carbonized polymer film is carried out in a state being wrapped around an internal core, the method being characterized in that a heat treatment is executed by controlling distance(s) between the internal core and the film, and/or between the layers of the film, a graphite film accompanied by significantly ameliorated ruffling can be obtained..
Kaneka Corporation


07/07/16
20160193637 

Centrifugally cast composite roll and its production method


A centrifugally cast composite roll comprising an outer layer formed by a centrifugal casting method, and an inner layer made of ductile cast iron and integrally fused to the outer layer, the outer layer being made of an fe-based alloy comprising by mass 1.3-3.7% of c, 0.3-3% of si, 0.1-3% of mn, 1-7% of cr, 1-8% of mo, at least one of 2.5-7% of v, 0.1-3% of nb and 0.1-5% of w (v is indispensable), and 0.01-0.2% of b and/or 0.05-0.3% of s, the balance being substantially fe and inevitable impurities, the outer layer having a structure containing no graphite; the inner layer comprising a core portion fused to the outer layer, and a drive-side shaft portion and a free-side shaft portion integrally extending from both ends of the core portion; the total amount of cr, mo, v, nb and w being 0.35-2% by mass in an end portion of the drive-side shaft portion and 0.15-1.8% by mass in an end portion of the free-side shaft portion, the former being larger than the latter by 0.2% or more by mass.. .
Hitachi Metals, Ltd.


07/07/16
20160193587 

Sorbent compositions having pneumatic conveyance capabilities


A sorbent composition such as for the removal of a contaminant species from a fluid stream, a method for manufacturing a sorbent composition and a method for the treatment of a flue gas stream to remove heavy metals such as mercury (hg) therefrom. The sorbent composition includes a porous carbonaceous sorbent such as powdered activated carbon (pac) and a solid particulate additive that functions as a flow-aid to enhance the pneumatic conveyance properties of the sorbent composition.
Ada Carbon Solutions, Llc


06/30/16
20160190567 

Lithium secondary battery


Disclosed is a lithium secondary battery, including a cathode, an anode and a non-aqueous electrolyte, wherein the cathode includes a cathode active material containing lithium-metal oxide of which at least one of metals has a concentration gradient region between a core part and a surface part thereof, and the anode includes hard carbon having an average lattice distance (d002) in the range of 3.6 to 3.8 Å and graphite having-an average lattice distance (d002) in the range of 3.356 to 3.360 Å, such that output and high-temperature storage properties may be improved.. .

06/30/16
20160190552 

Negative electrode material for lithium ion batteries and use thereof


The present invention relates to a negative electrode material for a lithium ion battery, made of a composite material comprising silicon-containing particles, artificial graphite particles and a carbon coating layer, wherein the silicon-containing particles are silicon particles having a siox layer (0<x≦2) on a particle surface, have an oxygen content ratio of 1 mass % or more and 18 mass % or less, and mainly comprise particles having a primary particle diameter of 200 nm or less; and the artificial graphite particles have a scale-like shape. By using the negative electrode material, a lithium ion battery having a high capacitance and excellent charge-discharge cycle characteristics can be produced..

06/30/16
20160190489 

Flexible display device


A flexible display device, including a display panel for displaying an image; and a flexible substrate having a side on which the display panel is supported, the flexible substrate including a plastic film having at least one of a carbon material and a graphite material.. .

06/30/16
20160187521 

Multi-frequency electromagnetic tensor measurements


An electromagnetic measurement tool for making multi-frequency, full tensor, complex, electromagnetic measurements includes a triaxial transmitter and a triaxial receiver deployed on a tubular member. An electronic module is configured to obtain electromagnetic measurements at four or more distinct frequencies.

06/30/16
20160187064 

Crucible


A crucible for melting metals includes a main body, a bottom portion, and a strengthening annular portion. The bottom portion is sealed to a first end of the main body.

06/30/16
20160186341 

Apparatus and producing a graphene material


An apparatus for producing a graphene material includes a tank, a container, an agitating module, a second electrode disposed in the tank, and a power supply module. The container is used for receiving a graphite material, and is formed with a plurality of through holes for the electrolyte solution to pass therethrough.

06/30/16
20160185603 

Large scale production of thinned graphite, graphene, and graphite-graphene composites


Embodiments described herein relate generally to large scale synthesis of thinned graphite and in particular, few layers of graphene sheets and graphene-graphite composites. In some embodiments, a method for producing thinned crystalline graphite from precursor crystalline graphite using wet ball milling processes is a disclosed herein.

06/30/16
20160184896 

Composition of particulate materials and process for obtaining self-lubricating sintered products


The metallurgical composition comprises a main particulate metallic material, for example iron or nickel, and at least one alloy element for hardening the main metallic material, which form a structural matrix; a particulate solid lubricant, such as graphite, hexagonal boron nitride or mixture thereof; and a particulate alloy element which is capable of forming, during the sintering of the composition conformed by compaction or by injection molding, a liquid phase, agglomerating the solid lubricant in discrete particles. The composition may comprise an alloy component to stabilize the alpha-iron matrix phase, during the sintering, in order to prevent the graphite solid lubricant from being solubilized in the iron.

06/23/16
20160181614 

Negative electrode material for lithium ion battery


A negative electrode material for a lithium ion battery according to an embodiment of the present disclosure includes graphite particles and amorphous carbon particles. The graphite particles have a median diameter (d50) a of 8.0 μm or more and 11.0 μm or less.

06/23/16
20160181612 

Anode active material and lithium secondary battery including the same


The present invention relates to an anode active material including natural graphite and mosaic coke-based artificial graphite, and a lithium secondary battery including the same. According to an embodiment of the present invention, an anode active material including natural graphite and mosaic coke-based artificial graphite is used, when applied to a lithium secondary battery, intercalation and deintercalation of lithium ions is more facilitated and conductivity of an electrode is improved even if no or little conductive material is used.

06/23/16
20160181606 

Lithium ion secondary battery


A lithium ion secondary battery includes: a negative electrode having a carbon-based negative electrode material containing graphite particles and amorphous carbon particles; and a positive electrode including a lithium composite oxide. The lithium composite oxide is represented by a general formula: lixniymnzco(1−y−z)o2, where x is a numeral of 1 or more and 1.2 or less, and y and z are positive numerals satisfying the relation of y+z<1.

06/23/16
20160181599 

Lithium secondary battery


Disclosed is a lithium secondary battery, including a cathode, an anode and a non-aqueous electrolyte, wherein the cathode includes a cathode active material containing lithium-metal oxide of which at least one of metals has a concentration gradient region between a core part and a surface part thereof, and the anode includes graphite having an average lattice distance d002 of 3.356 to 3.365 Å, thereby having excellent high-temperature storage and life-span properties.. .

06/23/16
20160181557 

Cobalt-carbon eutectic metal alloy ohmic contact for carbon nanotube field effect transistors


A cobalt-carbon (co—c) eutectic metal alloy ohmic contact for a radio-frequency (rf) carbon nanotube (cnt) field effect transistor (fet) device and a method of manufacturing same are disclosed. Embodiments of a method include providing a graphite crucible, placing co and a c source within the graphite crucible, heating the graphite crucible containing the co and c source such that the co and c source combine with graphite from the graphite crucible to thereby form a co—c eutectic metal alloy, and creating an ohmic contact by depositing the co—c eutectic metal alloy directly on top surfaces of cnts of a rf cnt fet device such that the co—c eutectic metal alloy is in direct contact with the cnts.

06/23/16
20160180981 

Composite conductive material, power storage device, conductive dispersion, conductive device, conductive composite and thermally conductive composite


P4 is a peak intensity of a (101) plane of the hexagonal graphite layer (2h) based on the x-ray diffraction method.. .

06/23/16
20160177108 

Flame retardant polyurethane-urea hybrid coating agent composition containing expandable graphite and manufacturing method therefor


Disclosed are a flame retardant polyurethane-urea hybrid coating agent composition containing expanded graphite and a method of preparing the same. More particularly, it relates to a flame retardant polyurethane-urea hybrid coating agent composition which is formed as a film on surfaces of coated structures, when coated on the interiors and exteriors of building structures, vessels, and marine structures, and, after the film formation, does not discharge toxic gases, particularly black smoke, and has a characteristic to self-extinguish within several seconds, in case of fire, and a method of manufacturing the same..

06/23/16
20160175931 

Multifunctional high strength metal composite materials


A method of producing composites of micro-engineered, coated particulates embedded in a matrix of metal, ceramic powders, or combinations thereof, capable of being tailored to exhibit application-specific desired thermal, physical and mechanical properties, such as high altitude exo-atmospheric nuclear standard (haens) i, ii or iii radiation protection, to form substitute materials for nickel, titanium, rhenium, magnesium, aluminum, graphite epoxy, and beryllium. The particulates are solid and/or hollow and may be coated with one or more layers of deposited materials before being combined within a substrate of powder metal, ceramic or some combination thereof which also may be coated.

06/23/16
20160175767 

Carbon membrane, process for the manufacture of carbon membranes and use thereof


The invention relates to a permselective membrane (1) for removal of water from water-containing gas mixtures, said permselective membrane (1) being a carbon membrane of a material whose structure is graphite similar and formed by at least one sequence of layers of the material, the layers being arranged in planes, adjacent layers having an average distance between the layers of less than 0.45 nm (4.5 Å), and the sequence of layers being turbostratically disordered. The invention further relates to processes for preparing membrane (1) and to uses of membrane (1) for exchanging water between two gas streams and also for removing water from chemical equilibrium reactions.

06/16/16
20160174302 

Coated graphite heater configuration


A coated graphite heater. The heater has a configuration comprising a plurality of heating rungs having a major portion disposed substantially parallel to an upper surface of the heater so that the major portion is disposed horizontally.
Momentive Performance Materials Inc.


06/16/16
20160173161 

Display panel with transparent conductor based isolator and improved wireless communications


A communication device includes at least one radio that comprises signal processing circuitry, and at least one antenna coupled to the signal processing circuitry to send and receive radio signals. A component of the communication device requires user visibility and includes an isolator for isolating the at least one antenna, the isolator comprising at least one film that includes a transparent conductor.
Intel Corporation


06/16/16
20160169412 

Removable isolation valve shield insert assembly


An isolation valve is provided, along with removable shield insert assemblies for an isolation valve. In one embodiment, a shield insert assembly for an isolation valve is provided that includes a graphite first shield insert having a flat ring shape.
Applied Materials, Inc.




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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