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6245400 Flexible graphite with non-carrier pressure sensitive adhesive backing and release liner  
A release lined pressure sensitive adhesive flexible graphite sheet article is provided having low thermal resistance properties comparable to the flexible graphite material itself when compared to...
6217800 Graphite foam material and method of making same  
Methods of making a graphite material are provided. A flexible graphite is ground into a powder. The graphite powder is mixed with a resin and the mixture is hot pressed. A second method of making...
6171701 Pyrolytic graphite monocromator and method for improving lattice spacing spread of a pyrolytic graphite monocromator  
In accordance with the present invention at least two different grades of HOPG material with different d-spacings are combined to form a composite HOPG monochromator with increased spacing spread...
6156432 Carbon material for negative electrode of secondary lithium battery, process for preparing the same, and secondary lithium battery prepared from said carbon material  
In accordance with the present invention, lithium secondary batteries excellent in charge/discharge characteristics, in particular in charge/discharge capacity and initial efficiency, and high in...
6146611 Graphitizable foam preform  
The present invention provides an inexpensive, open cell, mechanically robust and graphitizable foam preform. The graphitizable foam is produced via a modified standard flower foam formulation. The...
6143218 Method of forming a flexible graphite composite sheet  
Flexible graphite sheet is made by compressing a mixture of fine particle of intercalated, exfoliated, expanded natural graphite with fine particles of intercalated, unexpanded, expandable...
6139990 Modified graphite particles derived from scaly natural ones, production thereof and secondary battery  
There are provided modified and rounded graphite particles derived from scaly natural graphite particles by modification so as to bring their form close to a spherical form and satisfying all the...
6126864 Carbonaceous material having novel electronic structure of surface and method for the preparation thereof  
A novel carbonaceous material having a unique periodical annular electronic surface structure as examined by means of a scanning tunnel microscopy can be obtained by the method comprising the steps...
6110847 Carbon fiber woven fabric  
A carbon fiber woven fabric constituted by carbon fibers having a thermal conductivity of at least 400 W/mK in the fiber axial direction, which has a FAW (weight per unit area of fabric) of at...
6099696 Conversion of carbon or carbon-containing compounds in a plasma  
A process for converting carbon or carbonated compounds in a plasma into carbons having a defined nanostructure consists of a reaction chamber whose head part contains three electrodes, a plasma...
6087034 Flexible graphite composite  
Flexible graphite sheet having embedded ceramic fibers extending from its opposite planar surfaces into the sheet to provide permeability of the sheet to gases so that it is useful as an electrode...
6036934 Chemically modified carbonaceous materials made by the defluorination of graphite fluoride and process therefor  
A method of making chemically modified carbon-based materials for engineering purposes from a precursor containing graphite fluoride by using halocarbons or elemental sulfur as chemical agents that...
6027807 Graphite cladding laminate structural material and a graphite device having said material  
It is a object of this invention to provide a graphite cladding sheet having an excellent mechanical strength and applicable to wide use and a graphite device using said sheet. The graphite...
6022518 Surface graphitized carbon material and process for producing the same  
A surface graphitized carbon material comprising a graphitic surface and a carbonaceous internal part. This surface graphitized carbon material can be produced by contacting a carbon material with...
6017633 Flexible graphite composite sheet and method  
Flexible graphite sheet is made by compressing a mixture of fine particle of intercalated, exfoliated, expanded natural graphite with fine particles of intercalated, unexpanded, expandable...
5993997 Lithium secondary battery  
Provided is a novel lithium secondary battery comprising a positive electrode comprising a compound capable of occluding and discharging lithium, a negative electrode composed mainly of a carbon...
5985446 Acetylenic carbon allotrope  
A fourth allotrope of carbon, an acetylenic carbon allotrope, is described. The acetylenic carbon allotropes of the present invention are more soluble than the other known carbon allotropes in many...
5980853 Aromatic acetylenes as carbon precursors  
A novel compound which polymerizes to a thermoset polymer and which pyrols to amorphous carbon, is selected from the group consisting of: ##STR1## where R 1 is --C.tbd.Cφ. A novel thermoset...
5981072 Oxidation and corrosion resistant flexible graphite composite sheet and method  
Flexible graphite sheet is made by compressing a mixture of fine particle of intercalated, exfoliated, expanded natural graphite with fine particles of intercalated, unexpanded, expandable...
5976697 Process for manufacturing a molded article made of high density carbon  
The invention relates to a process for manufacturing an article of a high-density carbon. To produce an un-fired compact, binderless, self-sintering, fine-grained carbon powder, particularly carbon...
5972506 Intercalation compounds, method for preparing them and use thereof, particularly in pyrotechnics  
An intercalation compound of general formula Na x K 1 -X Z y , wherein Z is a carbon or a polymer with a cyclic, particularly aromatic unit, as base unit; 0<x<1 and 2≤y≤6. A method for...
5955375 Production of coal derivation products utilizing NMP-type solvent extraction  
A graphite of anisotrophy selected between substantially isotropic to highly anisotropic, or calcined coke graphitizable to such a graphite, or a pitch convertible into such a coke or graphite, is...
5948475 Elemental metals or oxides distributed on a carbon substrate or self-supported and the manufacturing process using graphite oxide as template  
A process for providing elemental metals or metal oxides distributed on a carbon substrate or self-supported utilizing graphite oxide as a percursor. The graphite oxide is exposed to one or more...
5888430 Graphite composite and method for producing the same  
The graphite is a composite between graphite particles and other fine, solid element particles, in which the graphite particles account for at least 40 atomic % and the other element particles have...
5869202 Hydrophillic graphite fuel cell electrode for use with an ionomer membrane fuel cell  
The present invention includes a gas-permeable, hydrophilic, graphite fuel cell electrode for use in conjunction with an ionomer membrane. The fuel cell electrode includes a roughened, interstitial...
5868967 Carbon thread and process for producing it  
In a carbon thread, vapor phase growth carbon fiber (VGCF) are dispersedly contained in a carbon matrix. The carbon thread is produced by forming a thread-like element from a mixture of VGCF and...
5863601 Process of producing graphite fiber  
A process of producing graphite fiber which includes the generation of the fiber by chemical vapor deposition using an organo metal compound which includes a metal catalyst and the use of a less...
5846459 Method of forming a flexible graphite sheet with decreased anisotropy  
Flexible graphite sheet is made by compressing a mixture of relatively large particles of intercalated, exfoliated, expanded natural graphite with smaller particles of intercalated, exfoliated...
5830326 Graphite filaments having tubular structure and method of forming the same  
A graphite filament which has carbon as a basic structural unit and which have a tubular shape being formed with a helical structure with the carbon hexagons as a main structure and with an outer...
5789111 Non-aqueous electrolyte secondary cell and method of manufacturing same  
A non-aqueous electrolyte secondary cell having high charging efficiency over a wide temperature range, including low temperature, high energy density and superior charge and discharge cycle life,...
5766765 Generally flat member having smooth surfaces and made of highly oriented graphite  
A functional member is supported by a support member in an apparatus and includes a generally flat element made of highly oriented graphite and having opposite smooth surfaces. The highly oriented...
5762898 Graphite intercalation compound  
An onion-like graphite 2 is produced by irradiating an electron beam to an amorphous carbon 3 under an active aluminum nanoparticle 1. By further irradiating the electron beam to the onion-like...
5756062 Chemically modified graphite for electrochemical cells  
This invention relates to chemically modified graphite particles: (a) that are useful in alkali metal-containing electrode of a electrochemical cell comprising: (i) the electrode, (ii) a...
5730916 Process for manufacturing essentially carbon filler or distributing body for flowing liquids  
Process for manufacturing filler and distributing bodies essentially or carbon for process technology, in which ground cereal products are used as dry raw material and preferably water or aqueous...
5721071 Graphitic electrode material for secondary battery and process for production thereof  
A graphitic electrode material suitable for use in a non-aqueous solvent-type secondary battery is provided. The graphitic material is characterized by an average (002)-plane spacing d 002 of...
5705139 Method of producing high quality, high purity, isotropic graphite from coal  
Ultra-clean isotropic coke is obtained from bituminous coal by extracting such coal following the extraction procedure described in U.S. Pat. No. 4,272,346, issued Jun. 9, 1981, to Stiller et al.,...
5700298 Carbon anode for lithium ion electrochemical cell  
Increasing the percentage of the 3R phase present in graphite reduces the first capacity loss of anodes employing the so modified graphite. Conversion of 2H phase graphite to 3R phase graphite can...
5698088 Formic acid-graphite intercalation compound  
A graphite intercalation compound is disclosed in which formic acid (HCOOH) is the intercalate. The GIC may be formed by an electrochemical process using formic acid solution as both the...
5698341 Carbon material for lithium secondary battery and process for producing the same  
A carbon material for use in a lithium secondary battery, which is obtained by graphitization conducted in the presence of a boric compound so as to contain boron in an amount ranging from 1,000...
5690901 Carbon electrode materials for electrochemical cells and method of making same  
A method for preparing an amorphous carbon material for use as an electrode, such as the anode of an electrochemical cell. The amorphous carbon is fabricated in a one heating step process from...
5677082 Compacted carbon for electrochemical cells  
This invention provides compacted carbon that is useful in the electrode of an alkali metal/carbon electrochemical cell of improved capacity selected from the group consisting of: (a) coke...
5672327 Beneficiation of kish graphite  
A method and apparatus system are disclosed for the beneficiation of kish to produce coarse high purity graphite wherein a concentrate containing at least about 90% carbon is formed, treated with a...
5667914 Process for preparing carbonaceous material for negative electrode of cell and non-aqueous electrolyte secondary cell using same  
A material for a negative electrode of a cell, which is prepared according to a process of the present invention, can provides a cell having a high true specific gravity, a high charging capacity...
5635151 Carbon electrode materials for lithium battery cells and method of making same  
A method for preparing an amorphous carbon material for use as an electrode, such as the anode of an electrochemical cell. The amorphous carbon is fabricated in a one heating step process from...
5626812 Method of producing carbon material by bending at least one carbon atom layer of graphite  
A novel carbon material is obtained by bending at least one carbon atom layer of graphite in at least one selected region along either, or both, of lines I and II in FIG. 1. The bending can be...
5609815 Process for fast manufacturing of carbonaceous products  
A process for manufacturing carbonaceous parts including the steps of shaping a mixture of carbonaceous powder and bonding agent to form raw parts, cooling the raw parts to ambient temperature at a...
5594060 Vapor grown carbon fibers with increased bulk density and method for making same  
Carbon fiber with increased bulk density comprising vapor grown carbon fiber is provided. The preferred method of increasing the carbon fiber bulk density comprises mixing a vapor grown carbon...
5591547 Method of manufacturing a negative electrode for lithium secondary battery  
A method of manufacturing a negative electrode for a lithium secondary battery includes the steps of mixing graphite particles as a main constituent that generates intercalation and...
5587257 Method of making lithium-ion cell having deactivated carbon anodes  
A method of making a secondary, lithium-ion cell having a carbon anode including the step of deactivating the carbon anode by heating the carbon in the presence of oxygen for a time sufficient and...
5582781 Method of making graphite foam material  
The present invention relates to method of making material having superior heat insulation capacity for use in furnaces and other apparatus. The method comprises grinding flexible graphite foil,...
Matches 101 - 150 out of 530 < 1 2 3 4 5 6 7 8 9 10 11 >