Abstract: Disclosed is a titanium fuel cell separator having excellent conductivity and durability. In the disclosed titanium fuel cell separator (10), a carbon layer (2) is formed on the surface of a substrate (1) formed from pure titanium or a titanium alloy. The carbon layer (2) comprises graphite which is orientated so as to be parallel to the (002) plane of the carbon layer (2). The deposition amount of the carbon layer (2) is at least 2 ?g/cm2.

Abstract: A nanotube-graphene hybrid film and method for forming a cleaned nanotube-graphene hybrid film. The method includes depositing nanotube film over a substrate to produce a layer of nanotube film, removing impurities from a surface of the layer of nanotube film not contacting the substrate to produce a cleaned layer of nanotube film, depositing a layer of graphene over the cleaned layer of nanotube film to produce a nanotube-graphene hybrid film, and removing impurities from a surface of the nanotube-graphene hybrid film to produce a cleaned nanotube-graphene hybrid film, wherein the hybrid film has improved electrical performance. Another method includes depositing nanotube film over a metal foil to produce a layer of nanotube film, placing the metal foil with as-deposited nanotube film in a chemical vapor deposition furnace to grow graphene on the nanotube film to form a nanotube-graphene hybrid film, and transferring the nanotube-graphene hybrid film over a substrate.

Abstract: 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.

Abstract: It is an object to provide a nonaqueous electrolyte secondary battery whose battery characteristics can be considerably improved by considerably improving the dispersibility of a carbon conductive agent and forming a good conductive network, and a method for producing the nonaqueous electrolyte secondary battery. A polyvinylpyrrolidone polymer serving as a dispersant and a polyglycerin-condensed ricinoleic acid ester are mixed with N-methyl-2-pyrrolidone serving as a dispersion medium, and then acetylene black is added thereto to prepare a carbon slurry. Subsequently, a positive electrode active material and a binder are mixed with the carbon slurry to prepare a positive electrode active material slurry. A positive electrode 11 is produced using the positive electrode active material slurry, and then a nonaqueous electrolyte secondary battery is produced using the positive electrode 11.

Abstract: A nanoparticle composition includes a metal nanoparticle, and a continuous dielectric coating on a surface of the metal nanoparticle, the nanoparticle composition being a dielectric material. A nanoparticle is in addition the reaction product of an organometallic compound. An electrorheological fluid comprises the nanoparticle composition and a dielectric fluid, and a method of making an electrorheological fluid is also disclosed.

Abstract: A carbon nanopipe comprising a durable graphitizable carbon wall of tunable thickness of about 10-500 nm formed by exposing a silica fiber network to a carbon precursor vapor and thereby depositing a carbon film onto the silica fiber network at a temperature suitable for complete pyrolysis of the carbon precursor and removing the silica fibers. The atmosphere of the step of depositing is controlled by a two-stage gas manifold wherein stage 1 purges the reaction chamber with pure argon and stage 2 introduces the carbon precursor.

Abstract: The present invention is directed to a hybrid nanostructure. The hybrid nanostructure includes at least two pseudocapacitative materials arranged in an elongate core-shell arrangement, wherein the core is an elongate nanostructure comprising or consisting of the first pseudocapacitative material and the shell is a plurality of flake- or sheet-like nanostructures attached to the core structure and comprising or consisting of the second pseudocapacitative material. The present invention also relates to a method for forming the hybrid nanostructure, and an electrode including a plurality of the hybrid nanostructures.

Abstract: The invention provides a polar dispersion composition containing 0.5 to 30 parts by mass of an electroconductive carbon black and 0.1 to 30 parts by mass of a styrene-methoxy polyethylene glycol methacrylate copolymer, with respect to 100 parts by mass of the polar dispersion composition. The composition of the invention is easy to handle as a liquid preparation, and develops sufficient electroconductivity when processed into a conductive material.

Abstract: The present disclosure generally relates to conductive films and methods for forming conductive films. In some examples, a substrate may be provided having a dispersion of silica nanoparticles provided on a surface thereof. Carbon nanotubes may be adhered to the dispersion of silica nanoparticles on the surface of the substrate to provide the conductive film on the substrate.

Abstract: A method of making a battery electrode includes the steps of dispersing an active electrode material and a conductive additive in water with at least one dispersant to create a mixed dispersion; treating a surface of a current collector to raise the surface energy of the surface to at least the surface tension of the mixed dispersion; depositing the dispersed active electrode material and conductive additive on a current collector; and heating the coated surface to remove water from the coating.

Abstract: In one aspect, the present invention relates to a layered structure usable in a strain sensor. In one embodiment, the layered structure has a substrate with a first surface and an opposite, second surface defining a body portion therebetween; and a film of carbon nanotubes deposited on the first surface of the substrate, wherein the film of carbon nanotubes is conductive and characterized with an electrical resistance. In one embodiment, the carbon nanotubes are aligned in a preferential direction. In one embodiment, the carbon nanotubes are formed in a yarn such that any mechanical stress increases their electrical response. In one embodiment, the carbon nanotubes are incorporated into a polymeric scaffold that is attached to the surface of the substrate. In one embodiment, the surfaces of the carbon nanotubes are functionalized such that its electrical conductivity is increased.

Abstract: Disclosed herein is a method of manufacturing a conductive substrate, the method including: a first electrode applying operation of applying first electrodes on a substrate; a first electrode forming operation of forming the first electrodes of fine lines by partly removing the first electrodes; and a second electrode forming operation of forming second electrodes on the substrate from which the first electrodes are removed, thereby enhancing reliability in a whole product including the conductive substrate.

Abstract: There is provided a method for forming a graphene layer. The method includes forming an article that comprises a carbon-containing self-assembled monolayer (SAM). A layer of nickel is deposited on the SAM. The article is heated in a reducing atmosphere and coolded. The heating and cooling steps are carried out so as to convert the SAM to a graphene layer.

Abstract: A shielded cable component and method that comprises a main body that has an outer surface and the main body is formed of a dielectric material and a coating that is applied to the outer surface of the main body where the coating includes a conductive or semi-conductive shielding material. An outer layer is disposed on the coating that completely encapsulates the coating and the main body and the outer layer is formed of a dielectric material.

Abstract: Provided are a transparent electroconductive thin film of single-walled carbon nanotubes and its production method capable of further enhancing the electroconductivity and the light transmittance of the film and capable of simplifying the thin film formation process. The method comprises: dispersing single-walled carbon nanotubes of mixed metallic single-walled carbon nanotubes (m-SWNTs) and semiconductor single-walled carbon nanotubes (s-SWNTs) in an amine solution containing an amine having a boiling point of from 20 to 400° C. as a dispersant; centrifuging or filtering the resulting dispersion to concentrate m-SWNTs, thereby giving a dispersion rich in m-SWNTs; and applying the resulting dispersion rich in m-SWNTs onto a substrate to form a thin film thereon.

Abstract: The present invention relates to a carbon-containing composite material of particles of an oxygen-containing lithium transition metal compound which are coated with essentially two carbon-containing layers, a method for its production as well as an electrode containing the composite material.

Abstract: A method of manufacturing a transparent film for reducing electromagnetic waves includes forming a first dielectric layer and forming a pattern layer on the first dielectric layer. The pattern layer is made of a transparent electrode material having surface resistance.

Abstract: A conductive wire includes a plurality of thermoplastic filaments each having a surface, and a coating material having a plurality of carbon nanotubes dispersed therein. The coating material is bonded to the surface of each thermoplastic filament. The thermoplastic filaments having the coating bonded thereto are bundled and bonded to each other to form a substantially cylindrical conductor.

Abstract: An electrically conductive film has an electrically conductive layer on at least one side, which is a thermoplastic resin film in which the electrically conductive layer contains a carbon nanotube (A), a carbon nanotube dispersant (B) and a binder resin (C), the total of contents of (A), (B) and (C) in the electrically conductive layer is 90% by weight or more relative to the entire electrically conductive layer, and weight rates of (A), (B) and (C) satisfy the following, and a weight ratio of (B) and (A) ((B)/(A)) is 0.5 or more and 15.0 or less: (A) 1.0 to 40.0% by weight, (B) 0.5 to 90.0% by weight, and (C) 4.0 to 98.5% by weight (provided that the total of contents of (A), (B) and (C) is let to be 100% by weight).

Abstract: 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.

Abstract: A single molecule sensing device includes a first electrode, a second electrode and a single-walled carbon nanotube (SWNT) connected to the first and second electrodes. At least one linker molecule having first and second functional groups is functionalized with a sidewall of the SWNT, the at least one linker molecule having the first functional group non-covalently functionalized with a sidewall of the single-walled carbon nanotube. A single sensitizing molecule having at least one functional group is functionalized with the second functional group of the at least one linker molecule.

Abstract: An embodiment of the present disclosure relates to a heating device comprising a carbon nanotube, which comprises a carbon nanotube layer containing aligned carbon nanotube carpet, a first electrode and a second electrode having a predetermined distance between each other and electrically connected to the carbon nanotube layer respectively, wherein a current produced by applying a voltage to the first electrode passes laterally via the diameter direction of the aligned carbon nanotubes from the first electrode to the second electrode. The present disclosure also includes methods for manufacturing the aligned carbon nanotube carpet.

Abstract: Disclosed are compositions and methods for producing a cathode for a secondary battery, where a fluorophosphate of the formula LixNa2-xMnPO4F is used as an electrode material. LixNa2-xMnPO4F is prepared by partially substituting a sodium site with lithium through a chemical method. LixNa2-xMnPO4F prepared according to the invention provides a cathode material for a lithium battery that has improved electrochemical activity.

Abstract: An electrode active material, an electrode including the electrode active material, a lithium battery including the electrode, and a method of preparing the electrode active material. The electrode active material includes a core having at least one of a metal or a metal oxide that enables intercalation and deintercalation of lithium ions and a crystalline carbon thin film that is formed on at least a portion of a surface of the core. The electrode active material has a nano-structure.

Abstract: A method for forming a polyimide-carbon nanotube composite film on a substrate is provided. The method comprises: suspending carbon nanotubes in a solution comprising a poly(amic acid) and a suitable solvent; casting the solution onto a substrate to form a layer on the substrate; and heating the layer to convert the poly(amic acid) into a polyimide to form the polyimide-carbon nanotube composite film. A polyimide-carbon nanotube composite film and an electronic device comprising the polyimide-carbon nanotube composite film are also provided.

Abstract: An electrostatic discharge (ESD) sheeting (10) comprises a conductive sheet (11), consisting of a cellulose fibrous or porous sheet which is treated with a carbon nanotube (CNT) solution to achieve the desire electrical conductivity, and impregnated with a thermoset resin material (13) through the process of permeation or osmosis in a controlled amount, to form a transparent polymeric sheet.

Abstract: High-surface-area carbon nanostructures coated with a smooth and conformal submonolayer-to-multilayer thin metal films and their method of manufacture are described. The preferred manufacturing process involves the initial oxidation of the carbon nanostructures followed by immersion in a solution with the desired pH to create negative surface dipoles. The nanostructures are subsequently immersed in an alkaline solution containing non-noble metal ions which adsorb at surface reaction sites. The metal ions are then reduced via chemical or electrical means and the nanostructures are exposed to a solution containing a salt of one or more noble metals which replace adsorbed non-noble surface metal atoms by galvanic displacement. Subsequent film growth may be performed via the initial quasi-underpotential deposition of a non-noble metal followed by immersion in a solution comprising a more noble metal.

Abstract: The present invention relates to a method for making a graphene sheet-carbon nanotube film composite structure. The method includes steps of: providing a carbon nanotube film structure and a dispersed solution, and the dispersed solution comprises a solvent and an amount of functionalized graphene sheets dispersed in the solvent; applying the dispersed solution on a surface of the carbon nanotube film structure; and removing the solvent and thereby locating the functionalized graphene sheets on the carbon nanotube film structure. The present invention also relates to a method for making a transmission electron microscope grid.

Abstract: The present application relates to a method for shielding electromagnetic waves by using graphene inside or outside an electromagnetic wave generating source and/or by using graphene formed on a substrate, and an electromagnetic shielding material including the graphene.

Abstract: Technologies are generally described for method and systems effective to at least partially alter a defect in a layer including graphene. In some examples, the methods may include receiving the layer on a substrate where the layer includes at least some graphene and at least some defect areas in the graphene. The defect areas may reveal exposed areas of the substrate. The methods may also include reacting the substrate under sufficient reaction conditions to produce at least one cationic area in at least one of the exposed areas. The methods may further include adhering graphene oxide to the at least one cationic area to produce a graphene oxide layer. The methods may further include reducing the graphene oxide layer to produce at least one altered defect area in the layer.

Abstract: The electrode for a lithium ion secondary battery of the present invention has an electrode mixture layer containing carbon nanotubes as a conductive auxiliary agent and deoxyribonucleic acid as a dispersant for the carbon nanotubes, and the content of the carbon nanotubes in the electrode mixture layer is 0.001 to 5 parts by mass with respect to 100 parts by mass of active material particles. The lithium ion secondary battery of the present invention has the electrode of the invention as its positive electrode and/or negative electrode. The electrode of the invention can be produced by a producing method of the invention of forming the electrode mixture layer from an electrode mixture-containing composition prepared using a dispersion including carbon nanotubes and deoxyribonucleic acid.

Abstract: Metal imide compounds as anode materials for lithium batteries and galvanic elements with a high storage capacity. Metal imide compounds as highly capacitive anode materials for lithium batteries. The invention relates to a galvanic element, an anode material for use in a galvanic element and method for producing an active electrode material.

Abstract: The present invention provides a method of producing a multi-layer graphene-laminated substrate which comprises laminating, on a substrate surface, multi-layer graphenes from a mass of multi-layer graphenes. The method of the present invention can provide an electrically conductive film and a transparent electrically conductive film made of graphenes more easily and stably.

Abstract: A resonant structure and a method for fabricating the resonant structure each include a substrate that includes at least one cavity. The resonant structure and the method for fabricating the resonant structure also include a resonant material layer located and formed over the substrate and at least in-part covering the at least one cavity. The resonant structure may comprise a graphene resonator structure.

Abstract: The method for manufacturing a particulate electrode active material provided by the present invention uses a carbon source supply material prepared by dissolving a carbon source (102) for forming a carbon coating film in a predetermined first solvent, and an electrode active material supply material prepared by dispersing a particulate electrode active material (104) in a second solvent that is compatible with the first solvent and is a poor solvent with respect to the carbon source. The carbon source supply material and the electrode active material supply material are mixed and a mixture of the electrode active material and the carbon source obtained after the mixing is calcined, thereby forming a conductive carbon film derived from the carbon source on the surface of the electrode active material.

Abstract: A power storage device including a negative electrode having high cycle performance in which little deterioration due to charge and discharge occurs is manufactured. A power storage device including a positive electrode, a negative electrode, and an electrolyte provided between the positive electrode and the negative electrode is manufactured, in which the negative electrode includes a negative electrode current collector and a negative electrode active material layer, and the negative electrode active material layer includes an uneven silicon layer formed over the negative electrode current collector, a silicon oxide layer or a mixed layer which includes silicon oxide and a silicate compound and is in contact with the silicon layer, and graphene in contact with the silicon oxide layer or the mixed layer including the silicon oxide and the silicate compound.

Abstract: An electrode useful in an energy storage system, such as a capacitor, includes an electrode that includes at least one to a plurality of layers of compressed carbon nanotube aggregate. Methods of fabrication are provided. The resulting electrode exhibits superior electrical performance in terms of gravimetric and volumetric power density.

Abstract: A method for preparing carbon allotrope based sulfide detectors comprising first functionalizing a carbon allotrope, such as a single-walled carbon nanotubes or graphene, with a solution of a polynuclear aromatic hydrocarbon-sulfonic acid, such as 1-pyrenesulfonic acid, followed by treatment with a metal, such as gold nanowires or cupric salt doped polyaniline, to give a metal-functionalized carbon allotrope, then drop casting the metal-functionalized carbon allotrope onto an inert surface, such as a silicon dioxide film on a silicon wafer having electrodes. Detection of sulfides may be by means such as photochemical or conductance methods. The hydrogen sulfide detectors may be used to detect and/or quantitate ppb and ppm levels of hydrogen sulfide in industrial settings or in detecting halitosis.

Abstract: In the method for manufacturing a particulate electrode active material provided by the present invention, a compound comprising phosphorus or boron is added to a mixed material prepared by mixing a carbon source supply material prepared by dissolving a carbon source (102) in a predetermined first solvent and an electrode active material supply material prepared by dispersing a particulate electrode active material (104) in a second solvent which is a poor solvent with respect to the carbon source, and a mixture of the electrode active material particles and the carbon source obtained after the addition is calcined, thereby producing a particulate electrode active material in which a conductive carbon coat derived from the carbon source is formed on the surface.

Abstract: Particular functional nanocomposite materials can be employed as electrodes and/or as electrodes in energy storage systems to improve performance. In one example, the nanocomposite material is characterized by nanoparticles having a high-capacity active material, a core particle having a comminution material, and a thin electronically conductive coating having an electronically conductive material. The nanoparticles are fixed between the core particle and the conductive coating. The comminution material has a Mohs hardness that is greater than that of the active material. The core particle has a diameter less than 5000 nm and the nanoparticles have diameters less than 500 nm.

Abstract: 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.

Abstract: The present invention relates to transparent antistatic films using graphene, and methods for preparing the same. The films include conductive particles comprising a single-layer or multi-layer graphene, and a binder. The films are prepared by dispersing graphene in a solvent to obtain a graphene dispersion; dissolving a curable binder to a solvent to obtain a binder solution; mixing the graphene dispersion, the binder solution and optionally an additive to obtain a coating solution; applying the coating solution onto a substrate and drying the solution to form a coated film; and curing the coated film. According to the present invention, transparent or semitransparent antistatic films having excellent permeability, abrasion resistance, scratch resistance, chemical stability and dimensional stability can be prepared. The films also have superior adhesion to substrates and applicability, and thus may be advantageously applied to rigid or flexible substrates.

Abstract: Disclosed are copper foil or net comprising a Cu-nitrile compound complex formed on the surface thereof, a method for preparing the same, and a lithium secondary battery that comprises an electrode using the same copper foil or net as a collector. The lithium secondary battery, which uses a copper collector comprising a Cu-nitrile compound complex formed on the surface thereof through the application of a certain voltage level, can prevent the corrosion of Cu occurring at a voltage of 3.6V or higher under overdischarge conditions away from the normal drive condition, and thus can significantly improve the capacity restorability after overdischarge.

Abstract: The present invention relates to a conductive particle, a conductive adhesive with the conductive particles, a LCD panel with the conductive adhesive, a method of manufacturing of the conductive particle and a method of manufacturing of the conductive adhesive. The conductive particle comprising an outer coating layer of graphite and an inner core of an organic resin enclosed by the outer coating layer, and therefore the conductive particles can have good conductivity as well as good strength and elasticity.

Abstract: A porous carbonaceous composite material including a core including a carbon nanotube (CNT); and a coating layer on the core, the coating layer including a carbonaceous material including a hetero element.

Abstract: A positive electrode for a rechargeable lithium battery including a current collector and a positive active material layer disposed on the current collector, a method of manufacturing the positive electrode, and a rechargeable lithium battery including the positive electrode. Here, the positive active material layer includes a positive active material and a coating layer on the surface of the positive active material, wherein the coating layer is formed of a coating layer composition including carbon nano particles, polyvinylpyrrolidone, and polyvinylidene fluoride.

Abstract: A method is described for depositing nanostructures of conducting polymers, nanostructures, particularly carbon nanostructures and combinations thereof. The process comprises placing the nanostructures in a liquid composition comprising an immiscible combination of aqueous phase and an organic phase. The mixture is mixed for a period of time sufficient to form an emulsion and then allowed to stand undisturbed so that the phases are allowed to separate. As a result the nanostructure materials locate at the interface of the forming phases and are uniformly dispersed along that interface. A film of the nanostructure materials will then form on a substrate intersecting the interface, said substrate having been placed in the mixture before the phases are allowed to settle and separate.

Abstract: The present disclosure relates to a stable graphene film, a preparing method of the stable graphene film, a graphene transparent electrode including the stable graphene film, and a touch screen including the stable graphene film.

Abstract: To provide a power storage device with improved cycle characteristics. In the power storage device, a conductive catalyst layer is provided in contact with a surface of an active material layer formed of silicon or the like and a carbon layer is provided over the conductive catalyst layer. The carbon layer is formed by a CVD method using an effect of the catalyst layer. The carbon layer formed by a CVD method is crystalline and helps prevent an impurity such as an SEI from being attached to a surface of an electrode of the power storage device, leading to improvements in cycle characteristics of the power storage device.

Abstract: An electroconductive film for an actuator is formed from a gel composition including carbon nanofibers, an ionic liquid, and a polymer. The carbon nanofibers are produced with an aromatic mesophase pitch by melt spinning.