Class / Patent application number | Description | Number of patent applications / Date published |
427122000 | Carbon coating | 77 |
20080254207 | ELECTRICALLY CONDUCTIVE SUBSTRATE WITH HIGH HEAT CONDUCTIVITY - An electrically conductive substrate with a high heat conductivity has an aluminum plate having multiple holes. An isolation layer is formed on the aluminum plate and inner walls of the holes. Multiple electrically conductive materials are inserted in the holes. A circuit layer is formed on the aluminum plate, electrically connects to the electrically conductive materials and has a rough surface. A graphite layer is formed on the rough surface of the circuit layer. The electric components are respectively provided on the holes, and the heat generated by the electric components is dissipated effectively by the aluminum plate. | 10-16-2008 |
20090130301 | APPARATUS AND METHOD FOR PRODUCING ELECTRICALLY CONDUCTING NANOSTRUCTURES BY MEANS OF ELECTROSPINNING - Apparatus and method for producing electrically conducting nanostructures by means of electrospinning, the apparatus having at least a substrate holder ( | 05-21-2009 |
20090252864 | METHODS OF PREPARING COMPOSITE CARBON-GRAPHITE-SILICON PARTICLES AND USING SAME - A process for production of coated silicon-carbon composite particles includes providing a carbon residue-forming material, providing particles of a carbonaceous material, and coating in a liquid suspension mixture the particles of carbonaceous material with the carbon residue-forming material to form coated carbonaceous particles. Providing silicon particles added to the mixture, coating the silicon particles embedded on the coated carbonaceous particles to form silicon-carbon composite particle. Some embodiments utilize the composite particle in an anode of a battery. | 10-08-2009 |
20090258135 | Method of making nonvolatile memory cell containing carbon resistivity switching as a storage element by low temperature processing - A method of making a nonvolatile memory cell includes forming a steering element and forming a carbon resistivity switching material storage element by coating a carbon containing colloid. | 10-15-2009 |
20100104741 | PROCESS AND SYSTEM FOR DISTRIBUTING PARTICLES FOR INCORPORATION WITHIN A COMPOSITE STRUCTURE - A system and process is disclosed for binding particles to a carrier material in an isolated relationship for use in composite fabrication. A slurry comprising particles dispersed in fluid is created in particle suspension tanks, deposited as a uniform layer and filtered using reduced pressure applied to a filter belt to leave behind isolated particles, the reduced pressure further acting to overcome electrostatic and other forces of attraction between the particles until they can be permanently bound to the carrier with a binder or adhesive and collected on a take-up roll. | 04-29-2010 |
20100136224 | STABLE NANOTUBE COATINGS - The present invention relates to purified transparent carbon nanotube (CNT) conductive layers or coatings that comprise at least one additional material to form a composite. Adding a material to the CNT layer or coating improves conductivity, transparency, and/or the performance of a device comprising a transparent conductive CNT layers or coating This composite may be used in photovoltaic devices, OLEDs, LCD displays, or touch screens. | 06-03-2010 |
20100136225 | GROUP IVA SMALL PARTICLE COMPOSITIONS AND RELATED METHODS - Group IVA (e.g., silicon, germanium) small particle compositions and related methods are described. In some embodiments, the small particle compositions and related methods are used to form a layer on a substrate. | 06-03-2010 |
20100136226 | Methods of Forming Carbon Nanotubes - Methods of forming carbon nanotubes include forming a catalytic metal layer on a sidewall of an electrically conductive region, such as a metal or metal nitride pattern. A plurality of carbon nanotubes are grown from the catalytic metal layer. These carbon nanotubes can be grown from a sidewall of the catalytic metal layer. The plurality of carbon nanotubes are then exposed to an organic solvent. This step of exposing the carbon nanotubes to the organic solvent may be preceded by a step of applying centrifugal forces to the plurality of carbon nanotubes. Alternatively, the exposing step may include applying a centrifugal force to the plurality of carbon nanotubes while simultaneously exposing the plurality of carbon nanotubes to an organic solvent. | 06-03-2010 |
20100159126 | Aqueous Emulsion Comprising a Functionalized Polyolefin and Carbon Nanotubes - Aqueous emulsion comprising: | 06-24-2010 |
20100159127 | METHOD FOR MAKING A CONDUCTIVE FILM OF CARBON NANOTUBES - A method for making a conductive film of carbon nanotubes includes the steps of: a) preparing a carbon nanotube solution having a viscosity ranging from 1 to 50 c.p. at room temperature and containing a plurality of multi-walled carbon nanotubes; b) atomizing the carbon nanotube solution to form a plurality of atomized particles including the carbon nanotubes; c) providing a carrier gas to carry the atomized particles to a substrate disposed on a spin coating equipment; and d) spin coating the atomized particles on the substrate to form a conductive film of carbon nanotubes on a surface of the substrate. | 06-24-2010 |
20100247751 | PROCESS FOR MANUFACTURING A THERMALLY AND/OR ELECTRICALLY CONDUCTING SOLID - A process for manufacturing a thermally and/or electrically conducting solid, in which: at least one doped aqueous dispersion is prepared, the dispersion including a mica powder and at least one dopant powder, these being dispersed in a non-ionic aqueous liquid, each dopant being chosen from graphites, with the exception of unexpanded expandable graphites, the mica representing at least 5% by weight of the solid matter of the dispersion, the dopant(s) representing 1 to 95% by weight of the solid matter of the dispersion and a proportion of each dopant being chosen depending on the desired thermal and electrical conductivities; each doped aqueous dispersion undergoes a forming operation, the proportion by weight of solid matter in the dispersion having been chosen so as to obtain, in the case of the doped aqueous dispersion, a viscosity compatible with the forming technique used; and the doped aqueous dispersion is left to undergo form consolidation, by at least the evaporation of the aqueous phase of the dispersion liquid. | 09-30-2010 |
20100255187 | Devices having a cavity structure and related methods - A structure having a cavity or enclosed space is fabricated by forming a recessed region in a surface of a substrate, and providing a first layer adjacent the recessed region. A liquid mixture including first and second components is supplied to the recessed region. The first component has a higher chemical affinity to the first layer than the second component such that the first component separates from the second component and adheres to an edge portion of the first layer. The substrate may then be heated to remove the second component from the recessed region through evaporation. As a result, the first component remains as a second layer adhering to the edge portion of the first layer and covering the recessed region, thereby defining a cavity or enclosed space with the recessed region. Unique structures including such cavities may be employed to realize a capacitor having a fluid, as opposed to solid, dielectric material, in order to increase the capacitance of the capacitor. Alternatively, such cavities may confine the flow of gases within narrow grooves of a substrate to realize a fuel cell having reduced size. | 10-07-2010 |
20110076391 | ADHESIVE COMPOSITIONS AND METHODS FOR THEIR USE AND PREPARATION - Adhesive compositions that contain thermally conductive carbon-based materials that are also electrically insulated; methods for using such adhesive compositions and methods for their preparation. | 03-31-2011 |
20110097479 | ELECTRODE MATERIALS WITH HIGH SURFACE CONDUCTIVITY - The present invention concerns electrode materials capable of redox reactions by electrons and alkali ions exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, super capacitors and light modulating system of the super capacitor type. | 04-28-2011 |
20110151112 | PROCESS FOR THE PREPARATION OF CONDUCTIVE CARBON LAYERS ON POWDERED SUPPORTS - A process for the preparation of carbon layers on powdered supports comprising dissolving a hydrophilic polymer (PH) at the level of 85 do 99.9% by weight in water, adding pyromellitic acid (PMA) or pyromellitic dianhydride (PMDA) at the level of 0.1-15% by weight, then introducing to the mixture the powdered support at a level of 1-99% by weight. The suspension is concentrated and dried, and the composite precursor formed is subjected to a pyrolysis process at 300-1500° C. | 06-23-2011 |
20110171371 | Enhanced Electrode Composition for Li ion Battery - Carbon nanotube-based compositions and methods of making an electrode for a Li ion battery are disclosed. It is an objective of the instant invention to disclose a composition for preparing an electrode of a lithium ion battery with incorporation of carbon nanotubes with more active material by having less conductive filler loading and less binder loading such that battery performance is enhanced. | 07-14-2011 |
20110183067 | CARBON NANO TUBE COATING APPARATUS AND METHOD THEREOF - The present invention relates to an apparatus and method for coating carbon nano tubes, which is capable of coating carbon nano tubes on a film at the same time when the carbon nano tubes are produced, unlike a wet method, thereby reducing the number of processes and costs and improving performance. The apparatus and method has an advantage of directly applying a CNT-containing gas obtained by thermal chemical vapor deposition to a film to obtain a CNT coating film with the reduced numbers of processes and high quality through improvement of an electrical property by maintenance of dispersibility and CNT length, as compared to a conventional wet process. | 07-28-2011 |
20110195177 | METHOD FOR MAKING LITHIUM-ION BATTERY ELECTRODE MATERIAL - The present disclosure relates to a method for making an electrode material of lithium-ion batteries. In the method, a carbon source compound is dissolved into a solvent to form a liquid phase solution. A number of titanium dioxide particles are provided and are dispersed into the liquid phase solution. The carbon source compound is pyrolyzed, thereby forming a number of carbon coating titanium dioxide particles. A lithium source solution is provided. The lithium source solution and the carbon coating titanium dioxide particles are mixed, according to a molar ratio in a range from about 4:5 to about 9:10, of lithium element to titanium element, thereby forming a sol. The sol is spray dried to form a number of precursor particles. The precursor particles are heated to form a lithium titanate composite electrode material. | 08-11-2011 |
20110217455 | Large-area transparent conductive coatings including alloyed carbon nanotubes and nanowire composites, and methods of making the same - Certain example embodiments of this invention relate to large-area transparent conductive coatings (TCCs) including carbon nanotubes (CNTs) and nanowire composites, and methods of making the same. The σ | 09-08-2011 |
20110236567 | METHOD OF FORMING ELECTRODE - Provided are a method of forming a carbon film which has a reduced number of steps and improved productivity without needing a high-temperature process, and a method of forming an electrode which does not need a binder. A fluororesin film is formed on a surface of a collector, and a surface of the fluororesin film is contacted with an alkali metal such as lithium to perform defluorination and then washed with acid. By this processing, lithium (Li) chemically reacts with fluorine (F) in the fluororesin film, and lithium fluoride (LiF) is generated. Consequently, the fluororesin film is defluorinated, whereby an electrode having a carbon film is formed. | 09-29-2011 |
20120021122 | CONDUCTIVE CARBON BLACK - Described herein is a method of forming a composition including mixing an anhydride, a silane and a solvent to form a solution. Carbon black and an isocyanate are mixed to form a carbon black mixture. The solution and the carbon black mixture are homogenized to form a carbon black dispersion. | 01-26-2012 |
20120027928 | ELECTRONIC DEVICE - An electronic device is disclosed. One embodiment provides a metallic body. A first electrically insulating layer is applied over the metallic body and having a thickness of less than 100 μm. A first thermally conductive layer is applied over the first electrically insulating layer and having a thermal conductivity of more than 50 W/(m·K). A second electrically insulating layer is applied over the first thermally conductive layer and having a thickness of less than 100 μm. | 02-02-2012 |
20120045572 | CARBON NANOTUBE PRODUCTION PROCESS AND CARBON NANOTUBE PRODUCTION APPARATUS - A substrate | 02-23-2012 |
20120076927 | METHOD OF IMPROVING THE THERMO-MECHANICAL PROPERTIES OF FIBER-REINFORCED SILICON CARBIDE MATRIX COMPOSITES - A thermal treatment process for improving thermo-mechanical properties of ceramic matrix composite materials such as silicon carbide (SiC) matrix composites is described. The treatment process removes excess silicon and/or other process-related defects from the SiC-based matrix as well as the fiber interfacial coating. This invention can be practiced with minimal strength loss for as-fabricated composites formed from high-strength continuous-length ceramic and carbon-based fibers that are functionally stable to 1600° C. and above. The invention provides a method for significantly improving composite thermal conductivity and creep resistance, and for reducing composite porosity. It has been demonstrated using state-of-the-art 2D woven SiC/SiC composites containing Sylramic-iBN SiC fibers, boron-nitride-based interfacial coatings, and hybrid matrices that are based on SIC formed by chemical vapor infiltration (CVI) and by a combination of CNI, SiC particulate infiltration, polymer infiltration and pyrolysis, and melt infiltration of silicon, silicon-based alloys, and silicides. | 03-29-2012 |
20120114843 | CONDUCTIVE INK, METHOD OF PREPARING THE SAME, AND METHOD OF PREPARING TRANSPARENT CONDUCTIVE FILM - A conductive ink includes carbon nanotubes, ionic liquid, and a solvent, wherein the viscosity of the ink is 0.01 Pa·s to 10000 Pa·s. | 05-10-2012 |
20120164317 | METHOD FOR FABRICATING POLARIZER - Provided is a method for fabricating a polarizer. The method includes forming an unevenness structure pattern on a substrate, coating conductive nano-particles on an entire surface of the unevenness structure pattern, and planarizing an entire surface of the resultant substrate after the conductive nano-particles are coated on the unevenness structure pattern. | 06-28-2012 |
20120213919 | ELECTRODE MATERIALS WITH HIGH SURFACE CONDUCTIVITY - The present invention concerns electrode materials capable of redox reactions by electron and alkali-ion exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, supercapacitors and light modulating systems of the electrochromic type. | 08-23-2012 |
20120251710 | METHOD OF PRODUCING HIGH PURITY SiOx NANOPARTICLES WITH EXCELLENT VOLATILITY AND APPARATUS FOR PRODUCING THE SAME - The present disclosure provides a method of producing high purity SiOx nanoparticles with excellent volatility and an apparatus for producing the same, which enables mass production of SiOx nanoparticles by melting silicon through induction heating and injecting gas to a surface of the molten silicon. The apparatus includes a vacuum chamber, a graphite crucible into which raw silicon is charged, the graphite crucible being mounted inside the vacuum chamber, an induction melting part which forms molten silicon by induction heating of the silicon material received in the graphite crucible, a gas injector which injects a gas into the graphite crucible to be brought into direct contact with a surface of the molten silicon, and a collector disposed above the graphite crucible and collecting SiOx vapor produced by reaction between the molten silicon and the injected gas. | 10-04-2012 |
20120282395 | Doped Carbon Nanotubes and Transparent Conducting Films Containing the Same - Transparent conducting electrodes include a doped single walled carbon nanotube film and methods for forming the doped single walled carbon nanotube (SWCNT) by solution processing. The method generally includes depositing single walled carbon nanotubes dispersed in a solvent and a surfactant onto a substrate to form a single walled carbon nanotube film thereon; removing all of the surfactant from the carbon nanotube film; and exposing the single walled carbon nanotube film to a single electron oxidant in a solution such that one electron is transferred from the single walled carbon nanotubes to each molecule of the single electron oxidant. | 11-08-2012 |
20120328774 | CARBON-DEPOSITED ALKALI METAL OXYANION ELECTRODE MATERIAL AND PROCESS OF PREPARING SAME - The present invention relates to the field of electrode materials, and more specifically, to a carbon-deposited alkali metal oxyanion electrode material as well as to a process for preparing same. More particularly, the process for preparing the carbon-deposited alkali metal oxyanion electrode material comprises a dry milling step of precursors of the alkali metal oxyanion electrode material at an energy sufficient to cause the precursors to agglomerate into strong agglomerates, and a heating step comprising pyrolysis of an organic source to obtain the carbon-deposited alkali metal oxyanion electrode material. | 12-27-2012 |
20130004657 | Enhanced Electrode Composition For Li ion Battery - Carbon nanotube-based compositions and methods of making an electrode for a Li ion battery are disclosed. It is an objective of the instant invention to disclose a composition for preparing an electrode of battery, optionally a lithium ion battery, with incorporation of a bi-modal diameter distributed carbon nanotubes with more active material by having less total conductive filler loading, less binder loading, and better electrical contact between conductive filler with active battery materials such that battery performance is enhanced. | 01-03-2013 |
20130004658 | METHOD OF FORMING ANTENNA BY UTILIZING GRAPHENE - A method of forming an antenna includes molding a supporting body and coating graphene onto the supporting body according a desired pattern of the antenna. The step of molding the supporting body includes forming the supporting body having a non-planar surface. The step of coating the graphene onto the supporting body according the desired pattern of the antenna includes coating the graphene onto the non-planar surface according to part of the desired pattern of the antenna. After the graphene is coated onto the supporting body and accordingly forms the desired pattern of the antenna, there is no need to perform metallization, sputtering, or chemical plating to have conductive particles adhered to the desired pattern of the antenna. | 01-03-2013 |
20130084384 | MANUFACTURING METHOD OF SECONDARY PARTICLES AND MANUFACTURING METHOD OF ELECTRODE OF POWER STORAGE DEVICE - The conductivity of an active material layer provided in an electrode of a secondary battery is sufficiently increased and active material powders in a slurry containing active materials each have a certain size. Secondary particles are manufactured through the following steps: mixing at least active material powders and oxidized conductive material powders to form a slurry; drying the slurry to form a dried substance; grinding the dried substance to form a powder mixture; and reducing the powder mixture. Further, an electrode of a power storage device is manufactured through the following steps: forming a slurry containing at least the secondary particles; applying the slurry to a current collector; and drying the slurry over the current collector. | 04-04-2013 |
20130122191 | Method for Making a Conductive Polymer Composite For Detecting a Sort of Gas - A method for making a conductive polymer composite for detecting a gas includes forming a porous conductive layer of a conductive powder on a substrate, applying a polymer solution containing a solvent and a gas responsive polymer material dissolved in the solvent to the porous conductive layer such that a portion of the polymer solution penetrates into the porous conductive layer and the remainder of the polymer solution forms a thin film covering a top of the porous conductive layer, the gas responsive polymer material being capable of adsorbing and desorbing the gas, and removing the solvent from the polymer solution so as to form a polymer matrix covering the porous conductive layer. | 05-16-2013 |
20130156941 | RECHARGEABLE ALKALINE METAL AND ALKALINE EARTH ELECTRODES HAVING CONTROLLED DENDRITIC GROWTH AND METHODS FOR MAKING AND USING THE SAME - A method of extending the life of a battery, including positioning a dendrite seeding material in an electrolyte solution disposed between a metal-containing electrode and an electrolyte permeable separator membrane, growing metal dendrites from the lithium dendrite seeding material toward the lithium-containing electrode, and contacting metal dendrites extending from the metal containing electrode with metal dendrites extending from the metal dendrite seeding material, wherein the electrolyte contains metal ions. | 06-20-2013 |
20130171340 | Hybrid Energy Storage Device Production - A novel hybrid lithium-ion anode material based on coaxially coated Si shells on vertically aligned carbon nanofiber (CNF) arrays. The unique cup-stacking graphitic microstructure makes the bare vertically aligned CNF array an effective Li | 07-04-2013 |
20130260021 | Electron Transport in Hexacyanometallate Electrode for Electrochemical Applications - A structure of intimately contacting carbon-hexacyanometallate is provided for forming a metal-ion battery electrode. Several methods are provided for forming the carbon-hexacyanometallate intimate contact. These methods include (1) adding conducting carbon during the synthesis of hexacyanometallate and forming the carbon-hexacyanometallate powder prior to forming the paste for electrode printing; (2) coating with conducting carbon after hexacyanometallate powder formation and prior to forming the paste for electrode printing; and (3) coating a layer of conducting carbon over the hexacyanometallate electrode. | 10-03-2013 |
20130260022 | COMPOSITE MATERIAL FOR STRUCTURAL APPLICATIONS - Composite material that contain epoxy resin which is toughened and strengthened with thermoplastic materials and a blend of insoluble particles. The uncured matrix resins include an epoxy resin component, a soluble thermoplastic component, a curing agent and an insoluble particulate component composed of elastic particles and rigid particles. The uncured resin matrix is combined with a fibrous reinforcement and cured/molded to form composite materials that may be used for structural applications, such as primary structures in aircraft. | 10-03-2013 |
20140050840 | Manufacturing Method for Touch Screen Panel - A method for manufacturing a touch screen panel includes forming a basic pattern of patterning first electrodes along a first direction on a substrate, second electrodes along a second direction crossing the first direction, and a first connecting pattern connecting the first electrodes, forming insulating layers of patterning insulating layers over the first connecting pattern, and forming a second connecting pattern of patterning a second connecting pattern in an electrohydrodynamic (EHD) ink jetting type such that the second connecting pattern connecting the second electrodes pass over the insulating layers. | 02-20-2014 |
20140065299 | ELECTRODE USEABLE IN ELECTROCHEMICAL CELL AND METHOD OF MAKING SAME - A method of making an electrode useable in an electrochemical cell, includes the steps of (a) providing an electrically conductive substrate; (b) forming nanostructured current collectors on the conductive substrate; and (c) attaching nanoparticles of a ternary orthosilicate composite to the nanostructured current collectors. The ternary orthosilicate composite includes Li | 03-06-2014 |
20140072704 | METHOD OF FORMING COMPOSITE MATERIALS INCLUDING CONJUGATED MATERIALS ATTACHED TO CARBON NANOTUBES OR GRAPHENES - A method of forming composite materials includes dispersing a conjugated material, a solvent for the conjugated material, and a plurality of carbon nanotubes (CNTs) or graphene including structures having an outer surface to form a dispersion. The solvent is evaporated from the dispersion to yield a CNT or graphene composite including a plurality of crystalline supramolecular structures having the conjugated material non-covalently secured to the outer surface of the CNT or the graphene including structure. The supramolecular structures have an average length which extends outward in a length direction from the outer surface of the CNT or graphene including structure, where the average length is greater than an average width of the supramolecular structures. | 03-13-2014 |
20140087064 | TOUCH SCREEN PANEL AND METHOD OF PREPARING THE SAME - A method for preparing a touch screen panel includes forming a non-conductive pattern on a non-display part on one face of a window plate, so that the thickness of the non-conductive pattern is decreased to produce a thin touch screen panel. In addition, this will prevent leakage of ink through the holes of the window plate, and improve the reliability of a conductive electrode pattern layer at a lateral side of the non-conductive pattern, thereby reducing failure rates. | 03-27-2014 |
20140127397 | PROCESS FOR THE PREPARATION OF KISH GRAPHITIC LITHIUM-INSERTION ANODE MATERIALS FOR LITHIUM-ION BATTERIES - The present invention provides a process for the production of high-capacity kish graphitic lithium-insertion anode materials and negative electrodes prepared therefrom for lithium-ion batteries. The graphitic materials are produced by precipitating excess carbon present in supersaturated solutions of carbon in iron/steel uninoculated or inoculated with metals/metalloid singly or in combination. The form of carbon used for dissolution is a carbon-containing polymeric precursor such as biomaterials and non-biodegradable plastic wastes, the carbonization of which can be carried out in situ or prior to addition in the melt. The graphitic products deliver reversible capacities between 300 and 600 mAh·g−1 with flat voltage profiles for electrochemical insertion/deinsertion of lithium at potentials less than 200 mV. | 05-08-2014 |
20140193574 | GRAPHENE MANUFACTURING SYSTEM AND THE METHOD THEREOF - The present invention discloses a graphene manufacturing system and the method thereof. In the prior arts, constant gas flows are used for the growth of graphene layers on work pieces. In contrast, the present invention makes use of multiple pulses of gas flows to grow graphene layers with low sheet resistivity. | 07-10-2014 |
20140193575 | CRYSTALLINE GRAPHENE AND METHOD OF MAKING CRYSTALLINE GRAPHENE - A method of producing graphene comprises forming a composition comprising magnesium and carbon, and isolating graphene from the composition. The isolated graphene is crystalline. | 07-10-2014 |
20140199474 | Multilayer Electrical Component, Coating Composition, and Method of Making Electrical Component - An electrical component including a substrate comprising an electroconductive filler in a first polymeric binder, and a coating layer adhered to at least a portion of the substrate surface, the coating layer comprising a nanostructured electroconductive particulate dispersed in a polymeric binder, such as an epoxy resin. A method of making the component also is described. | 07-17-2014 |
20140199475 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND PRODUCTION METHOD OF SAME - A positive electrode active material for a lithium secondary battery having a core portion and a shell layer is employed in which the core portion is represented by Lix | 07-17-2014 |
20140220238 | HYBRID MATERIALS FOR PRINTING (SEMI-) CONDUCTIVE ELEMENTS - The invention relates to a method for preparing a conductive or semi-conductive element, comprising
| 08-07-2014 |
20140234535 | NEGATIVE ACTIVE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY, A METHOD OF PREPARING THE SAME, AND A RECHARGEABLE LITHIUM BATTERY COMPRISING THE SAME - The present invention relates to a negative active material for a rechargeable lithium battery, which includes a silicon-based composite having a silicon oxide of the form SiO | 08-21-2014 |
20140234536 | Metal Fluoride Electrode Protection Layer and Method of Making Same - Modifications to the surface of an electrode and/or the surfaces of the electrode material can improve battery performance. For example, the modifications can improve the capacity, rate capability and long cycle stability of the electrode and/or may minimize undesirable catalytic effects. In one instance, metal-ion batteries can have an anode that is coated, at least in part, with a metal fluoride protection layer. The protection layer is preferably less than 100 nm in thickness. The anode material is fabricated according to methods that result in improved anode performance. | 08-21-2014 |
20140295068 | METHOD FOR MANUFACTURING ELECTRODE FOR STORAGE BATTERY - To provide a storage battery electrode including an active material layer with high density that contains a smaller percentage of conductive additive. To provide a storage battery having a higher capacity per unit volume of an electrode with the use of the electrode for a storage battery. A slurry that contains an active material and graphene oxide is applied to a current collector and dried to form an active material layer over the current collector, the active material layer over the current collector is rolled up together with a spacer, and a rolled electrode which includes the spacer are immersed in a reducing solution so that graphene oxide is reduced. | 10-02-2014 |
20140295069 | Nanostructured High Voltage Cathode Materials - Objects of the present invention include creating cathode materials that have high energy density and are cost-effective, environmentally benign, and are able to be charged and discharged at high rates for a large number of cycles over a period of years. One embodiment is a battery material comprised of a doped nanocomposite. The doped nanocomposite may be comprised of Li—Co—PO4; C; and at least one X, where said X is a metal for substituting or doping into LiCoPO4. In certain embodiments, the doped nanocomposite may be LiCoMnPO4/C. Another embodiment of the present invention is a method of creating a battery material comprising the steps of high energy ball milling particles to create complex particles, and sintering said complex particles to create a nanocomposite. The high energy ball milling may dope and composite the particles to create the complex particles. | 10-02-2014 |
20140302232 | DEPOSITION ON TWO SIDES OF A WEB - Apparatuses and methods for depositing materials on both side of a web while it passes a substantially vertical direction are provided. In particular embodiments, a web does not contact any hardware components during the deposition. A web may be supported before and after the deposition chamber but not inside the deposition chamber. At such support points, the web may be exposed to different conditions (e.g., temperature) than during the deposition. | 10-09-2014 |
20140314950 | Method Of Making An Electrochemical Sensor Strip - A method of making an electrochemical sensor strip that includes: depositing a first electrode on a base; depositing a second electrode on the base; applying a first layer onto the first electrode; and applying a second layer onto the second electrode. The first layer includes an oxidoreductase and a mediator. The second layer includes a soluble redox species. | 10-23-2014 |
20140370186 | CARBON-DEPOSITED ALKALI METAL OXYANION ELECTRODE MATERIAL AND PROCESS FOR PREPARING SAME - The present invention relates to a process for the synthesis of a carbon-deposited alkali metal oxyanion cathode material comprising particles, wherein said particles carry, on at least a portion of the particle surface, carbon deposited by pyrolysis, said process comprising a dry high-energy milling step performed on precursors of said carbon-deposited alkali metal oxyanion prior to a solid-state thermal reaction. | 12-18-2014 |
20140370187 | Precipitation Method for the Synthesis if Iron Hexacyaoferrate - A method is provided for synthesizing iron hexacyanoferrate (FeHCF). The method forms a first solution of a ferrocyanide source [A | 12-18-2014 |
20140377456 | NEGATIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY HAVING LITHIUM-DOPED SILICON-SILICON OXIDE COMPOSITE, METHOD FOR MANUFACTURING NEGATIVE ELECTRODE, AND LITHIUM SECONDARY BATTERY - The present invention is a negative electrode material for a secondary battery with a non-aqueous electrolyte comprising at least a silicon-silicon oxide composite and a carbon coating formed on a surface of the silicon-silicon oxide composite, wherein at least the silicon-silicon oxide composite is doped with lithium, and a ratio I(SiC)/I(Si) of a peak intensity I(SiC) attributable to SiC of 2θ=35.8±0.2° to a peak intensity I(Si) attributable to Si of 2θ=28.4±0.2° satisfies a relation of I(SiC)/I(Si)≦0.03, when x-ray diffraction using Cu-Kα ray. As a result, there is provided a negative electrode material for a secondary battery with a non-aqueous electrolyte that is superior in first efficiency and cycle durability to a conventional negative electrode material. | 12-25-2014 |
20150024122 | GRAPHENE INK AND METHOD FOR MANUFACTURING GRAPHENE PATTERN USING THE SAME - A graphene ink includes a dispersion solution with a surface tension between 35 and 55 mJ/m | 01-22-2015 |
20150104566 | MANUFACTURING METHOD OF GRAPHENE FILM - A manufacturing method of graphene film includes the steps of: disposing a substrate in a reaction chamber including an inlet and an outlet; providing a metallic catalytic material into the reaction chamber; providing a reducing gas into the reaction chamber; raising the temperature of the reaction chamber to a deposition temperature; providing a carbon-containing gas into the reaction chamber; and generating a plurality of carbon atoms from the carbon-containing gas under the assistance of the metallic catalytic material and the atoms deposited on the substrate to form a graphene film. The manufacturing method of graphene film is capable of depositing a graphene film on the substrate and is advantageous for a transfer-free process in the following application. | 04-16-2015 |
20150110955 | SEMICONDUCTING THIN [60]FULLERENE FILMS AND THEIR USE - The present invention relates to the use of soluble pentakis(alkylthio)derivatives of [60]fullerene as precursors for semiconducting thin [60]fullerene films by thermal decomposition and organic electronic devices using these films. | 04-23-2015 |
20150125595 | SURFACE TREATED SILICON CONTAINING ACTIVE MATERIALS FOR ELECTROCHEMICAL CELLS - Provided are active materials for electrochemical cells. The active materials include silicon containing structures and treatment layers covering at least some surface of these structures. The treatment layers may include aminosilane, a poly(amine), and a poly(imine). These layers are used to increase adhesion of the structures to polymer binders within active material layers of the electrode. As such, when the silicon containing structures change their size during cycling, the bonds between the binder and the silicon containing structure structures or, more specifically, the bonds between the binder and the treatment layer are retained and cycling characteristics of the electrochemical cells are preserved. Also provided are electrochemical cells fabricated with such active materials and methods of fabricating these active materials and electrochemical cells. | 05-07-2015 |
20150303447 | APPARATUS FOR MANUFACTURING NEGATIVE-ELECTRODE CARBON MATERIAL, AND METHOD FOR MANUFACTURING NEGATIVE-ELECTRODE CARBON MATERIAL USING SAME - The present invention provides an apparatus for manufacturing a lithium-ion secondary cell negative-electrode carbon material by heat-treating carbon particles while causing the carbon particles to flow within a heat-treatment furnace, the apparatus for manufacturing a lithium-ion secondary battery negative-electrode carbon material having: a heat-treatment furnace provided with a carbon-particle supply opening for supplying the carbon particles into the interior, and a negative-electrode carbon material recovery opening for taking out the negative-electrode carbon material from the interior; and a cooling tank connected in an airtight manner to the negative-electrode carbon material recovery opening of the heat-treatment furnace, and provided with a cooling means. Also provided is a method for manufacturing a lithium-ion secondary battery negative-electrode carbon material by using the apparatus. | 10-22-2015 |
20150325850 | SECONDARY BATTERY COMPRISING SULFUR PARTICLE HAVING CORE-SHELL STRUCTURE - Disclosed is a method of preparing a sulfur particle having a core-shell structure for a secondary battery. In particular, the method includes using Inverse Miniemulsion reaction and coating a carbon-based conducting material on the outer wall of the sulfur particle, to form a micronet from the carbon-based conducting material. Accordingly, self-discharge effect of the secondary batter may be reduced and life time may be improved by inhibiting loss of polysulfide during charge/discharge. | 11-12-2015 |
20150340117 | METHOD FOR PRODUCING CONDUCTIVE FILM - Provided is a method for producing a conductive film in which a size of a particle of a metal catalyst for synthesizing carbon nanotubes is adjusted to adjust a minor axis diameter of the carbon nanotube, such that the conductive film containing the carbon nanotube having an adjusted diameter may have excellent film properties. | 11-26-2015 |
20150344309 | METHOD OF MAKING COHESIVE CARBON ASSEMBLY AND ITS APPLICATIONS - Cohesive carbon assemblies are prepared by obtaining a functionalized carbon starting material in the form of powder, particles, flakes, loose agglomerates, aqueous wet cake, or aqueous slurry, dispersing the carbon in water by mechanical agitation and/or refluxing, and substantially removing the water, typically by evaporation, whereby the cohesive assembly of carbon is formed. The method is suitable for preparing free-standing, monolithic assemblies of carbon nanotubes in the form of films, wafers, discs, fiber, or wire, having high carbon packing density and low electrical resistivity. The method is also suitable for preparing substrates coated with an adherent cohesive carbon assembly. The assemblies have various potential applications, such as electrodes or current collectors in electrochemical capacitors, fuel cells, and batteries, or as transparent conductors, conductive inks, pastes, and coatings. | 12-03-2015 |
20150355501 | TRANSPARENT CONDUCTIVE LAYER AND CF SUBSTRATE HAVING SAME AND MANUFACTURING METHOD THEREOF - The present invention provides a transparent conductive layer and a CF substrate having the transparent conductive layer and a manufacturing method thereof. The transparent conductive layer is made of a graphene transparent conductive material and is in the form of a thin film having a thickness of 0.36 nm-10 nm, transmittance of visible light being 80-97%, and surface resistance being 30-500 Ω/□ and can replace a conventional ITO transparent conductive layer and has improved mechanical strength and flexibility. The CF substrate having the graphene transparent conductive layer uses the graphene transparent conductive layer to replace the ITO transparent conductive layer used in a CF substrate in order to obtain an electrode or a static electricity draining layer having high transmittance and excellent flexibility and, when used in a liquid crystal display panel, helps improve the transmittance of the liquid crystal panel and reduce the use of backlighting. The manufacturing method of the CF substrate having the graphene transparent conductive layer uses a CVD process to form graphene on a growth substrate to be subsequently transferred to a CF substrate body, of which the manufacture is easy and cost is low. | 12-10-2015 |
20150357093 | METHOD OF USING CARBON NANOTUBES TO FABRICATE TRANSPARENT CONDUCTIVE FILM - A method of using carbon nanotubes to fabricate a transparent conductive film comprising steps: disposing a plurality of carbon nanotubes and a plurality of metallic particles on a substrate; illuminating the carbon nanotubes with a light beam or treating the carbon nanotubes with electric corona to induce photocurrents or discharge currents in the carbon nanotubes; and heating and melting the metallic particles with the photocurrents or the discharge currents to solder the metallic particles with the carbon nanotubes and form a transparent conductive film on the substrate. The present invention uses a light illumination or an electric corona treatment to reliably connect the carbon nanotubes by the metallic particles and increase the conductivity of the transparent conductive film. | 12-10-2015 |
20160020453 | METHODS FOR FORMING NEGATIVE ELECTRODE ACTIVE MATERIALS FOR LITHIUM-BASED BATTERIES - In an example method, a transition metal precursor is selected so its transition metal has a diffusion rate that is slower than a diffusion rate of silicon. An aqueous mixture is formed by dissolving the precursor in an aqueous medium, and adding silicon particles to the medium. The mixture is exposed to a hydroxide, which forms a product including the silicon particles and a transition metal hydroxide precipitate. The product is dried. In an inert or reducing environment, silicon atoms of the silicon particles in the dried product are caused to diffuse out of, and form voids in and/or at a surface of, the particles. At least some silicon atoms react with the transition metal hydroxide in the dried product to form i) a SiO | 01-21-2016 |
20160036036 | ALKALI METAL OXYANION ELECTRODE MATERIAL HAVING A CARBON DEPOSITED BY PYROLYSIS AND PROCESS FOR MAKING SAME - An alkali metal oxyanion cathode material comprising particles, where the particles carry, on at least a portion of the particle surface, carbon deposit by pyrolysis is described. The particles have the general formula A: M:M′:X04 where the average valency of M is −2 or greater; A is at least one alkali metal selected from Li, Na and K; M is at least Fe and/or Mn; and M′ is a metal of valency of 2+ or more. | 02-04-2016 |
20160039680 | PROCESS OF CONVERTING TEXTILE OR PLASTIC SOLID WASTE INTO ACTIVATED CARBON - The present description relates to activated carbon and methods of making and using the same. The activated carbon is produced from textile and plastic waste materials. The activated carbon may further include graphitic fibers, carbon fibers, CNTs, metals and metal oxides dispersed in the activated carbon matrix. The activated carbon can be in the form of granular manufactures, powder manufactures, nanoparticles, sheets and any other form. | 02-11-2016 |
20160047060 | POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY - Occlusion and release of lithium ion are likely to one-dimensionally occur in the b-axis direction of a crystal in a lithium-containing composite oxide having an olivine structure. Thus, a positive electrode in which the b-axes of lithium-containing composite oxide single crystals are oriented vertically to a surface of a positive electrode current collector is provided. The lithium-containing composite oxide particles are mixed with graphene oxide and then pressure is applied thereto, whereby the rectangular parallelepiped or substantially rectangular parallelepiped particles are likely to slip. In addition, in the case where the rectangular parallelepiped or substantially rectangular parallelepiped particles whose length in the b-axis direction is shorter than those in the a-axis direction and the c-axis direction are used, when pressure is applied in one direction, the b-axes can be oriented in the one direction. | 02-18-2016 |
20160083860 | METHODS OF COATING SUBSTRATES WITH COMPOSITE COATINGS OF DIAMOND NANOPARTICLES AND METAL - A method of coating a substrate includes dispersing functionalized diamond nanoparticles in a fluid comprising metal ions to form a deposition composition; disposing a portion of the deposition composition over at least a portion of a substrate; and electrochemically depositing a coating over the substrate. The coating comprises the diamond nanoparticles and a metal formed by reduction of the metal ions in the deposition composition. | 03-24-2016 |
20160097130 | PREPARATION METHOD OF CONDUCTIVE SPONGE HAVING EFFECT OF SHIELDING ELECTROMAGNETIC WAVE - A preparation method of a conductive sponge includes the following steps. First, a sponge substrate is dipped in a metal solution and then taken out. A first drying process is performed. Next, the sponge substrate plated with metal particles is dipped in a carbon nanomaterial suspension and then taken out. Then, a second drying process is performed. | 04-07-2016 |
20160118646 | STORAGE BATTERY ELECTRODE, MANUFACTURING METHOD THEREOF, STORAGE BATTERY, AND ELECTRONIC DEVICE - In manufacture of a storage battery electrode containing graphene as a conductive additive, the efficiency of reduction of graphene oxide is reduced with high efficiency under mild conditions, and cycle characteristics and rate characteristics of a storage battery are improved. Provided is a manufacturing method of a storage battery electrode. In the manufacturing method, a paste containing an active material, a binder, graphene oxide, and a solvent is formed; the paste is applied to a current collector and the solvent contained in the paste is evaporated to form an active material layer; the active material layer is immersed in a liquid containing alcohol; and the active material layer is taken out from the liquid and heated so that the graphene oxide is reduced. | 04-28-2016 |
20160126688 | METHODS AND APPARATUS FOR PREPARING POWER TRANSMISSION CABLES - A method for preparing a polymer insulated cable including a semiconductive layer surrounding a polymeric insulation layer includes: cutting the semiconductive layer by grinding a circumferential dividing groove in the semiconductive layer using a rotating grinding surface, wherein the dividing groove defines first and second semiconductive sections of the semiconductive layer on opposed sides of the dividing groove; and thereafter removing the second semiconductive section from the polymeric insulation layer while retaining the first semiconductive section on the polymeric insulation layer. | 05-05-2016 |
20160164171 | Wireless antenna made from binder-free conductive carbon inks - Binder-free conductive carbon ink is printed on flexible polymeric substrates such as PET and paper as an antenna for wireless devices. Without addition of binder, conductivity of the carbon ink can be greatly improved. Owing to the enhance of conductivity, carbon ink proposed in this patent can be applied to antenna application, such as RFID, without the utilization of metal or metal coated powders, and enormously decreases the antenna cost. The excellent adhesion to substrate results from the size and shape match between carbon powders and pores of substrates. Further compression and protective coating will further enhance adhesion of antenna. | 06-09-2016 |
20220140306 | CONTINUOUS PRODUCTION OF BINDER AND COLLECTOR-LESS SELF-STANDING ELECTRODES FOR LI-ION BATTERIES BY USING CARBON NANOTUBES AS AN ADDITIVE - The present disclosure is directed to a method and apparatus for continuous production of composites of carbon nanotubes and electrode active material from decoupled sources. Composites thusly produced may be used as self-standing electrodes without binder or collector. Moreover, the method of the present disclosure may allow more cost-efficient production while simultaneously affording control over nanotube loading and composite thickness. | 05-05-2022 |