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7628973 |
Simultaneous production of high density carbon foam sections
The present invention includes methods for simultaneously producing, within a single container, two or more sections of high density carbon foam materials of defined shape. A method used to prepare...
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7625543 |
Production process for carbonized product and carbonized product obtained by the same process
Provided is a production process for a carbonized product characterized by comprising the following steps (a) to (b):
(a) a step in which metal-made or ceramic-made plural granular matters are...
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7597999 |
Methods of preparing carbonaceous anode materials and using same
A method for the production of carbon particles comprising selecting a precursor material, sizing said precursor material, stabilizing said precursor material, carbonizing said precursor material,...
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7592389 |
Conductive polymeric structures containing graphite nanofibers having graphite parallel to the growth axis
Electrically conductive polymer composite materials comprised of: a) an effective amount of substantially crystalline graphitic carbon nanofibers comprised of graphite sheets that are substantially...
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7588608 |
Cellular coal products and processes
According to the present invention there is provided a porous coal-based material having a density of between about 0.1 g/cm 3 and about 0.6 g/cm 3 that is produced by the controlled heating of...
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7578860 |
Cellular coal products and processes
According to the present invention there is provided a coal-based carbon foam having a density of between about 0.1 g/cm 3 and about 0.8 g/cm 3 , preferably between about 0.2 g/cm 3 and about 0.6...
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7566410 |
Highly conductive nano-scaled graphene plate nanocomposites
Disclosed is a nano-composite material comprising fully separated nano-scaled graphene platelets (NGPs) dispersed in a matrix material, wherein each of the platelets comprises a sheet of graphite...
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7544222 |
Activated, coal-based carbon foam
An ablation resistant, monolithic, activated, carbon foam produced by the activation of a coal-based carbon foam through the action of carbon dioxide, ozone or some similar oxidative agent that...
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7534328 |
Electrodes useful for molten salt electrolysis of aluminum oxide to aluminum
The present invention provides a method of making a carbon electrode, suitable for use as an anode in an aluminum reduction cell, which comprises mixing an aggregate, comprising a mixture of...
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7518045 |
Method of preparing carbon nanocages
The present invention provides a simple method of mass producing high purity carbon nanocages. The method of preparing carbon nanocages comprises introducing an inert gas into a reactor equipped...
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7517516 |
High purity carbonaceous material and ceramic coated high purity carbonaceous material
The invention provides a high purity carbonaceous material which is reduced in contents of oxygen, nitrogen and chlorine readily binding to carbon atoms and in contents of elements, phosphorus,...
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7517614 |
Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same
The negative active material for a rechargeable lithium battery of the present invention includes a carbonaceous material and a silicon-based compound represented by Formula 1:
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7479241 |
Mixed conductor
A mixed conductor of this invention includes an electron conductor made of a carbon-based inorganic material imparted electron conduction by causing a main chain to have a π bond, and a proton...
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7470418 |
Ultra-fine fibrous carbon and preparation method thereof
The present invention discloses ultra-fine fibrous carbon and preparation of the same. Specifically, the present ultra-fine fibrous carbon is characterized by the graphite-like structure with the...
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7452389 |
Carbon foam abrasives
The incorporation or blending of from about 1 to about 10% by volume of a “carbide precursor” powder, preferably on the order of <100 microns in size, with a coal particulate starting...
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7442358 |
Flaky carbonaceous particle and production method thereof
A carbonaceous particle is provided which comprises a hexagonal flake formed of an aggregate of a plurality of nanocarbons and having a side length of 0.1 to 100 mm and a thickness of 10 nm to 1...
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7435404 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Hydrogen storage material and method for producing the same
A hydrogen storage material of the present invention includes graphite formed of graphene, and has a characteristic feature such that the orientation of crystal planes of the graphene is...
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7410727 |
Graphite particles and lithium secondary battery using the same as negative electrode
A graphite particle obtained by assembling or binding together a plurality of flat-shaped particles so that the planes of orientation are not parallel to one another, or a graphite particle in...
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7381352 |
Dispersion of thin particles having a skeleton consisting of carbons
The invention provides a dispersion of thin particles using a specific solvent which can disperse thin particles having a skeleton consisting of carbons obtained by oxidizing graphite and...
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7378178 |
Catalyst support material for fuel cell
A catalyst support material useful in a membrane electrode assembly is presented. The support catalyst material is elongate electrically anisotropic particles of flexible graphite, and the membrane...
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7378188 |
Storage device and method for sorption and desorption of molecular gas contained by storage sites of nano-filament laded reticulated aerogel
An apparatus and method for sorption and desorption of molecular gas contained by storage sites of graphite nano-filaments randomly disposed in three-dimensional reticulated aerogel.
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7368009 |
Carbon fine particle structure and process for producing the same, carbon fine particle transcriptional body for producing the same, solution for producing carbon fine particle structure, carbon fine particle structure, electronic device using carbon fine particle structure and process for producing the same, and integrated circuit
A carbon fine particle structure containing plural carbon fine particles having a graphite structure and a crosslinked part containing plural functional groups chemically bonded to each other, at...
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7351360 |
Self orienting micro plates of thermally conducting material as component in thermal paste or adhesive
The present invention relates generally to thermally-conductive pastes for use with integrated circuits, and particularly, but not by way of limitation, to self-orienting microplates of graphite.
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7341781 |
Material useful for preparing embossed flexible graphite article
A material useful in a process for embossing a flexible graphite sheet is presented. The inventive material is a flexible graphite sheet which has a preselected void condition which provides the...
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7300560 |
Cathode block for aluminum refining and method for production thereof
A cathode block for aluminum refining containing a calcined coke in a proportion of 15 to 100 wt %, characterized in that the calcined coke is prepared by mixing a heavy oil having a content of...
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7297320 |
Spherical carbons and method for preparing the same
The present invention provides a method for preparing spherical carbon comprising step of heat-treating a mixture of a carbon precursor and dispersion media, a spherical non-graphitizable carbon...
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7241409 |
Gas permeable flexible graphite sheet material and process therefor
A process for preparing a gas permeable flexible graphite sheet is presented. The process includes providing graphite flakes; admixing the graphite flakes with a sacrificial additive to form a...
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7232601 |
Method for preparing composite flexible graphite material
An improved method enables preparation of articles for a variety of applications, including embossing or otherwise shaping to form a variety of articles. A plurality of thin, preferably...
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7214447 |
Graphite powders suited for negative electrode material of lithium ion secondary battery
A graphite powder suitable for a negative electrode material of a lithium ion secondary battery which assures a high discharging capacity not lower than 320 mAh/g is to be manufactured at a lower...
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7160837 |
Mixed conductor and mixed conductor producing method
The mixed conductor of the invention includes an electron conductor made of a carbon-based inorganic material with a main chain having a π bond for conduction of electrons, and a proton conductor...
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7150862 |
Method of manufacturing powder
A method of manufacturing a powder, by which it is possible to adjust the strength of the obtained powder is provided. The manufacturing method of a powder involves a step of preparing a slurry...
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7141229 |
Graphite material for negative pole of lithium secondary battery, method of manufacturing the graphite material, and lithium secondary battery
This invention relates to a graphite material for negative electrode of lithium secondary battery. This graphite material is obtained by carbonizing the pulverized green coke to yield coke, adding...
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7118725 |
Expandable graphite intercalation compounds, method for synthesizing them and their use
Expandable graphic intercalatable compounds with controllable onset temperatures, methods for their synthesis and their use as intumescing, fire-protection additives for the preparation of...
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7105108 |
Graphite intercalation and exfoliation process
The invention relates to expanded graphite and methods of making the graphite and products that can be made from the graphite made from the inventive process. The invention includes the step of...
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7071258 |
Nano-scaled graphene plates
A nano-scaled graphene plate material and a process for producing this material. The material comprises a sheet of graphite plane or a multiplicity of sheets of graphite plane. The graphite plane...
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7070755 |
Pitch-based carbon foam and composites and use thereof
A thermally conductive carbon foam is provided, normally having a thermal conductivity of at least 40 W/m·K. The carbon foam usually has a specific thermal conductivity, defined as the thermal...
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7041415 |
Nonaqueous secondary battery, method for making negative electrode component therefor, and apparatuses for evaluating and making graphite material for negative electrode component
A negative electrode of a nonaqueous secondary battery is formed of a carbonaceous material. The ratio RG=Gs/Gb of the degree of graphitization Gs of the carbonaceous material, determined by a...
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6989137 |
Carbonaceous material for cell and cell containing the carbonaceous material
The present invention relates to graphite powder and to a battery using it as a negative electrode material, the powder having a specific surface area of not more than 3 m 2 /g, an aspect ratio of...
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6955694 |
Electrochemical double layer capacitor having carbon powder electrodes
A method of making an electrode structure, and a double layer capacitor including the electrode structure, the method includes the steps of: applying a first slurry including conducting carbon...
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6939526 |
Graphite particles and process for production thereof
Graphite particles having a bent laminate structure inside each particle are produced by feeding, into an impact grinder, graphite particles having an average particle diameter of 5 mm or less...
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6936234 |
Method for producing artificial powder graphite
The invention relates to a method for obtaining artificial graphite powder for electrical engineering, manufacturing synthetic diamonds and in other fields of technology with especially high...
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6919063 |
Carbon nano-particle and method of preparing the same and transparent conductive polymer composite containing the same
The present invention relates to a novel carbon nano-particle and a novel method of preparing the same and a transparent, conductive polymer composite containing the same. The carbon nano-particle...
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6899970 |
Electrochemical cell electrodes comprising coal-based carbon foam
Coal based carbon foams that are produced by the controlled beating of coal particulate in a mold and under a non-oxidizing atmosphere and subsequently graphitized have been found to provide...
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6890986 |
Substantially pure bulk pyrocarbon and methods of preparation
The present invention provides a substantially pure and finely divided granular pyrolytic carbon material. The substantially pure pyrolytic carbon can be used in a variety of applications including...
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6884545 |
Anode material for lithium secondary battery, process for production thereof, and lithium secondary battery
An anode material for lithium secondary battery, which comprises graphite particles and a crystalline carbon coating layer formed thereon, wherein each graphite particle has a bent laminate...
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6872330 |
Chemical manufacture of nanostructured materials
A low temperature chemical route to efficiently produce nanomaterials is described. The nanomaterials are synthesized by intercalating ions into layered compounds, exfoliating to create individual...
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6863942 |
Free-standing and aligned carbon nanotubes and synthesis thereof
One or more highly-oriented, multi-walled carbon nanotubes are grown on an outer surface of a substrate initially disposed with a catalyst film or catalyst nano-dot by plasma enhanced hot filament...
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6849098 |
Composite tooling
Carbonaceous, composite tooling fabricated from pitch-based or coal-based cellular or porous products, “carbonaceous foams” having a density of preferably between about 0.1 g/cm 3 and about...
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6841250 |
Thermal management system
The present invention relates to a system for managing the heat from a heat source like an electronic component. More particularly, the present invention relates to a system effective for...
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6835215 |
Non-aqueous secondary battery and a method of manufacturing graphite powder
Provided is a carbon material having a superior reversibility in lithium intercalation-deintercalation reaction, and a non-aqueous secondary battery using the carbon material as an active material...
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