887results about How to "Reduce surface resistance" patented technology

An object of the invention is to provide a negative electrode for a nonaqueous electrolyte secondary battery having a small surface film resistance and a high negative electrode strength. The present invention relates to a negative electrode for a nonaqueous electrolyte secondary battery, wherein an active material layer containing an active material and a binder is formed on a collector, the active material being a material in which metal oxide fine particles having an average particle diameter of 250 nm or less are attached to the surface and the binder being a binder having an olefinic unsaturated bond.

An object is to suppress discharge due to static electricity generated by peeling, when an element formation layer including a semiconductor element is peeled from a substrate. Over the substrate, the release layer and the element formation layer are formed. The support base material which can be peeled later is fixed to the upper surface of the element formation layer. The element formation layer is transformed through the support base material, and peeling is generated at an interface between the element formation layer and the release layer. Peeling is performed while the liquid is being supplied so that the element formation layer and the release layer which appear sequentially by peeling are wetted with the liquid such as pure water. Electric charge generated on the surfaces of the element formation layer and the release layer can be diffused by the liquid, and discharge by peeling electrification can be eliminated.

This application describes garments (2), for example swim suits or other sports or athletic garments, in which a plurality of panels (10-22&30-44) are laminated on the outer surface of a base layer (4) of stretchable elasticated fabric to offer (in the case of a swim suit) improved performance for competitive swimmers through a reduction in surface drag, a reduction in form drag and / or improved stability in the water.

A large area organic light emitting diode display is provided. The organic light emitting diode display comprises a substrate including a display area defining a plurality of pixel areas in a matrix manner and a non-display area surrounding the display area; a thin film transistor disposed in each pixel area; an auxiliary cathode electrode disposed at the same layer with an element of the thin film transistor; a planar layer on the thin film transistor and the auxiliary cathode electrode; an anode electrode connected to the thin film transistor and disposed in each pixel area on the planar layer; an organic light emission layer disposed on the anode electrode; a cathode electrode covering the whole surface of the display area on the organic light emission layer; and a protective electrode covering the auxiliary cathode electrode exposed through a cathode contact hole and contacting the cathode electrode.

A cell potential measurement apparatus, which uses a planar electrode enabling a multi-point simultaneous measurement of potential change arising from cell activities, is provided which can conduct measurements accurately and efficiently as well as can improve convenience of arranging measurement results. According to the configuration of the cell potential measurement apparatus of this invention, it includes an integrated cell holding instrument 1, which includes a planar electrode provided with a plurality of microelectrodes arranged in a matrix form on the surface of a substrate, a cell holding part for placing cells thereon, drawer patterns from the microelectrodes, and electric contact points for outside connections; an optical observation means 20 for optical observations of cells; a stimulation signal supply means 30 to be connected to the cell holding instrument for providing electric stimulation to the cells; and a signal processing means 30 to be connected to the cell holding instrument for processing an output signal arising from electric physiological activities of the cells. It is preferable that a cell culturing means 40 is also provided for maintaining a culture atmosphere of the cells placed on the integrated cell holding instrument.

The invention discloses graphene based conductive ink, comprising 2-25 wt% of conductive component, 5-25 wt% of bonding agent, 0.1-5 wt% of additive, 0.1-2 wt% of pH (Potential of Hydrogen) adjusting agent and the balance of solvent. A preparation method comprises the following steps of: dispersing the pH adjusting agent into the solvent to obtain a uniform first mixed liquid; mixing the first mixed liquid with the bonding agent to obtain a second mixed liquid; and mixing the second mixed liquid with the conductive component and the additive to obtain the graphene based conductive ink. The invention further provides a flexible conductive thin film prepared from the conductive ink. The conductive ink disclosed by the invention has the advantages of good dispersity, good conductive effect, easiness for printing, and cheap price. Furthermore, the flexible conductive thin film prepared from the conductive ink disclosed by the invention has good conductive performance.

Disclosed is a coating liquid for forming a transparent conductive film, comprising conductive fine particles having an average particle diameter of 1 to 200 nm, silica particles having an average particle diameter of 4 to 200 nm and a polar solvent. The silica particles are in the form of chain silica particles having 2 to 10 silica particles on an average being connected. The content of an alkali in the silica particles is not more than 1000 ppm in terms of an alkali metal M. Also disclosed is a substrate with a transparent conductive film, comprising a substrate, a transparent conductive fine particle layer formed on the substrate and containing conductive fine particles having an average particle diameter of 1 to 200 nm and silica particles having an average particle diameter of 4 to 200 nm and / or chain silica particles having 2 to 10 silica particles on an average being connected, and a transparent film provided on the transparent conductive fine particle layer and having a refractive index lower than that of the transparent conductive fine particle layer. A display device using the substrate with a transparent conductive film is further disclosed. The coating liquid for forming a transparent conductive film is capable of forming a transparent conductive film having low surface resistance, excellent antistatic properties, excellent electromagnetic blocking properties, high film strength and excellent adhesion to a substrate.

The present invention discloses a metallic nanowire-graphene bridge structural composite material which comprises multiple layers of grapheme and metallic nanowires and is characterized in that the metallic nanowires are arranged at one side or two sides of the surface of a grapheme sheet layer, the metallic nanowires are welded to the metallic nanoparticles at the surface of the grapheme, and a metallic nanowire-graphene bridge structural composite material is formed. According to the composite material, the transmittance is larger than 85% to 92%, the surface resistance is smaller than 1 Omega at the same time, in an optimal embodiment, a transparent conductive film with the transmittance larger than 90% and the surface resistance smaller than 1 Omega is realized, and the current and future industrial application requirements are fully satisfied. Through growing the metallic nanoparticles with proper density at the surface of the single-layer or few-layer grapheme and assembling and welding the metallic nanowires (such as silver nanowires and copper nanowires) on the metallic nanoparticles, grapheme-metallic nanowires are formed and are assembled and processed to form a grapheme-metallic nanowires bridge structure, a transport path is provided for electrons, and thus the surface resistance of a grapheme assembly film is greatly reduced.

This invention is directed to compositions and methods of incorporating metal particles into carbon nanotube films, sheets, and networks. Metal salts that are soluble in water, alcohol, polar organic solvents, and mixtures thereof are used to deposit metal particles onto carbon nanotube films, sheets, and networks. Metal salts increase conductance of nanotube films by spontaneously depositing gold on the nanotube. The concentration and time of exposure to metal salt solution allows the tuning of conductivity and transparency for a transparent carbon nanotube network. Metal salts added to nanotube ink add functional properties of the metal to nanotube conductors.

An electrophotographic photosensitive member is constituted by disposing a protective layer and a photosensitive layer on an electroconductive support in this order. The protective layer is characterized by containing an electroconductive particles, fluorine-containing resin particles and a binder resin. The photosensitive layer is suitable for providing an electrophotographic apparatus showing excellent electrophotographic characteristics such as a high photosensitivity and a low residual potential and also providing good image forming properties under any environmental condition, improved pause memory characteristics and a decreased transfer memory.

A touch control panel device comprises a horizontal transparent plate layer, a plurality of first and second electrodes arranged at the top of the plate layer in a matrix type alternatively, a plurality of first electric wires electrically connected with adjacent first electrodes, a plurality of second electric wires electrically connected with adjacent second electrodes, and a plurality of separate slices at the crossed parts of the first and the second electric wires. Each first or second electrode is made from metal material thinner than 250 angstroms or narrower than 200um, to reduce the plane resistance of the touch control panel device, improve conductivity and produce lager touch control panel. The metal lines are thinner than 250 angstroms or narrower than 200um, and therefore, users can not observe the first and the second electrodes on the plate layer to reduce plane resistance, improve the transparence of the whole touch control panel and support the use as a touch control medium of large screens.

The invention relates to a composite electrode used in vanadium redox flow batteries and a preparation method thereof, pertaining to the vanadium battery manufacturing field. The composite electrode is prepared by adding three conductive fillers (conductive acetylene carbon black, conductive carbon fiber and graphite) into thermoplastic polymer to obtain a thermoplastic conductive plate which is compounded together with a graphite felt. Part of the conductive carbon fiber in the graphite felt is embedded into the surface of the conductive plate to form an interpenetrating conductive network and improve the conductivity of the whole product. Therefore, the composite electrode has excellent mechanical performance and conductivity (volume resistivity is less than or equal to 0.1omega question mark cm), integrates current collector and electrode into a whole, and effectively reduces surface resistance between the current collector and the electrode; meanwhile, during the process, no additional additive which can improve conductivity is used, thus ensuring relatively good conductivity and mechanical performance, and avoiding the falling of the additive which can improve conductivity into the electrolyte of a vanadium battery.

A method of producing aluminum in an electrolytic cell containing alumina dissolved in an electrolyte, the method comprising the steps of providing a molten salt electrolyte at a temperature of less than 900° C. having alumina dissolved therein in an electrolytic cell having a liner for containing the electrolyte, the liner having a bottom and walls extending upwardly from said bottom. A plurality of non-consumable Cu—Ni—Fe—Sn anodes and cathodes are disposed in a vertical direction in the electrolyte, the cathodes having a plate configuration and the anodes having a flat configuration to compliment the cathodes. The anodes contain apertures therethrough to permit flow of electrolyte through the apertures to provide alumina-enriched electrolyte between the anodes and the cathodes. Electrical current is passed through the anodes and through the electrolyte to the cathodes, depositing aluminum at the cathodes and producing gas at the anodes.

The invention discloses a modified ABS antistatic material and a preparation method thereof. The antistatic material is formed by melting the mixture in an injection machine after mixing PEEA, maleic anhydride grafted ABS resin (or styrene maleic anhydride copolymer SMA), ABS resin, zlnc oxide whisker, coupler and other additives according to a given proportion. The antistatic ABS material has the advantages of low surface resistance, permanent static resistance, light color and good mechanics performance; and moreover, the antistatic ABS material has appropriate cost, no toxicity and pollution, simple formation processing technology, easy realization and promising application prospect.

Disclosed is a method for producing a transparent conductive film comprising a coating step for coating a coating solution containing metal nanoparticles on a substrate to form a coated layer, a drying step for drying the coated layer and a baking step for baking the coated layer to obtain a transparent conductive film, wherein a metal in the metal nanoparticles is oxidized to a metal oxide during at least one of the coating step, the drying step and the baking step. According to this method, a transparent conductive film having a low specific resistance and a high light transmittance can be produced by coating.

The invention relates to a high-performance aluminum / carbon composite electrode foil and a preparation method thereof. The high-performance aluminum / carbon composite electrode foil comprises a substrate aluminum foil and a carbon-containing layer formed on the surface of the aluminum foil, wherein the carbon-containing layer comprises graphite particles and an amorphous carbon layer, wherein the graphite particles have high electrical conductivity; the amorphous carbon layer is coated on the periphery of the graphite particles and is connected with an aluminum foil substrate to conduct graphite particles; and an interdiffusion layer with a certain depth is formed between the aluminum foil substrate and the carbon-containing layer. The preparation method for the high-performance aluminum / carbon composite electrode foil is characterized by comprising the following steps of: blending graphite powder, organic resin and an active additive in an organic solvent to prepare slurry; coating the slurring on the aluminum foil; and performing heat treatment under the condition of isolating oxygen after drying the slurry. The preparation method is simple in process and low in cost; and the prepared electrode foil has high-temperature stability, extremely low internal resistance, good sealing performance and wide application prospect.

Disclosed are a light-emitting diode, a photovoltaic device, a transistor, and an electroluminescent device, each comprising a layer disposed on a support, the layer comprising a [A] composition exclusive of hydroquinone comprising at least one polymer comprising (3,4-dialkoxythiophene) monomer units, a polyanion, at least one polyhydroxy group-containing aromatic compound exclusive of sulfo groups, at least one amino-compound or heterocyclic compound with at least one ring nitrogen atom, and at least one compound selected from the group consisting of polyhydroxy- and / or carboxy group or amide or lactam group containing aliphatic compounds and aprotic compounds with a dielectric constant ≧15.

The present invention provides an optical element having an optical film, the optical element comprising a support frame having a shaft therein, the support frame being provided around a perimeter of the optical element and the optical film having slots on a periphery thereon, the periphery of the optical film being provided on the support frame. The invention further provides a pin provided in each of the slots and protruding into the support frame and slidable on the shaft by a controlled tensile force and a spring mechanism that is slidable on the shaft for providing the controlled tensile force to the optical film, wherein the optical film is an asymmetric diffuser.

The present invention provides a method for preparing a conductive polymer dispersion, including: adding a conductive compound, a polyanion, and an oxidant to a solvent; and polymerizing the conductive compound with microwaves. The present invention further provides a conductive polymer material made from the conductive polymer dispersion and a solid electrolyte capacitor using the conductive polymer material. Compared to a conventional method, the conductive polymer is prepared by the method of the present invention in a shorter time and environmental friendly. Moreover, the conductive polymer material made from the dispersion exhibits a high conductivity.

A negative electrode for a nonaqueous electrolyte secondary battery having a small surface film resistance and a high negative electrode strength, wherein the negative electrode includes a collector and an active material layer formed thereon, wherein the active material layer contains an active material and a binder composition, wherein the active material is a material in which metal oxide fine particles having an average particle diameter of 250 nm or less are attached to the surface thereof, and wherein the binder composition contains a binder having an olefinic unsaturated bond.

To provide bent rod-shaped metal particles having at least one bend point, wherein an average bend angle at the bend point is 5° to 175°.

The invention provides a graphene-carbon nano composite transparent conducting thin film and a preparation method thereof. The graphitization degree of the graphene-carbon nano-composite thin film prepared by the steps of adding various char formation precursors to graphene oxide dispersion liquid and then carrying out thermal reduction is obviously increased, and thus the electric conduction performance of the thin film is substantially improved, and the light transmittance of the film is not affected. In addition, compared with the pure graphene thin film, the film has the advantages that the roughness is less than 0.2nm, and the evenness is high. The preparation method provided by the invention is simple in technology; reagents used in the preparation method have a mild property; and the preparation method can be applied to the large-scale production and has a very good application prospect in the field of photoelectricity such as touch screens, solar cells and light emitting diodes.

A novel microporous membrane comprising a hot-melt adhesive and an engineering plastics, the methods of preparing such microporous membrane and the uses of the microporous membrane in, e.g., batteries, super capacitors, fuel cells, sensors, electrochromic devices or the like.

The invention relates to a conductive composition containing poly(3,4-ethylenedioxythiophene) / lignosulfonic acid and a preparation method thereof. The method comprises the following steps of: chemically oxidizing and polymerizing 100 parts by weight of monomer (3,4-ethylenedioxythiophene) and 170-300 parts by weight of an oxidant in 100-1,000 parts by weight of an aqueous solution in which lignosulfonic acid is taken as a carrier; and adding 200-500 parts by weight of a non-aqueous solvent, 10-100 parts by weight of a polyhydroxy aromatic compound and 50-200 parts by weight of a bonding agent to obtain the conductive composition containing poly(3,4-ethylenedioxythiophene) / lignosulfonic acid. A product prepared with the method meets the requirements of low production cost, transparency, high conducting performance, high adhesion and high hardness in an efficient antistatic agent, and has the characteristics of high dispersion stability, heat stability, temperature stability and water washing resistance. The conductive composition has economic and environmental protection effects as well as a good industrial prospect.

A method for producing an optical article having a filter layer formed directly or with another layer in between on an optical substrate, the filter layer transmitting light in a predetermined wavelength band and blocking light with a wavelength longer and / or shorter than the predetermined wavelength band, includes: forming a first layer to be included in the filter layer, and adding at least one of carbon, silicon, and germanium to the surface of the first layer, thereby reducing the resistance of the surface of the first layer.

In a dye-sensitized photoelectric transfer device having a semiconductor layer and an electrolyte layer between a transparent conductive substrate and a counter conductive substrate, the semiconductor layer is composed of titania nanotubes, and a sensitizing dye is retained by the titania nanotubes. The titania nanotubes preferably have an anatase-type crystalline form. The dye-sensitized photoelectric transfer device is used as a dye-sensitized solar cell.

The invention discloses solar glass self-cleaning antireflection paint and a production method thereof. In the solar glass self-cleaning antireflection paint, poly silicon dioxide is used as a main antireflection component, low reflection titanium dioxide is used as an auxiliary antireflection component and a photocatalyst, antimony doped tin oxide, titanium phosphate, silicon phosphate, phosphoric acid and antimony doped tin phosphate are used as a self-cleaning synergist, an antistat and an antireflection membrane enhancer, and deionized water is used as a solvent. The production method comprises the step: a porous silicon dioxide shell generated through ethyl silicate hydrolysis is covered with the anatase titanium dioxide photocatalyst, the antimony doped stannic oxide antistat and other synergist components. The problem that antireflection performance and the self-cleaning performance of conventional solar glass self-cleaning antireflection paint can offset each other is solved, the power generating efficiency of a solar cell can be improved and stabilized greatly, and the maintenance management cost of the solar cell can be reduced.

The present invention provides a graphene modified polyvinyl acetate film forming agent preparation method which is as follows: graphene, graphene oxide or aminated graphene amide is modified by an olefinic unsaturated monomer to obtain functional graphene, the functional graphene is dispersed into a vinyl acetate, an acrylate or an unsaturated anhydride monomer bulk solution or aqueous solution, by emulsion polymerization, to obtain a graphene modified polyvinyl acetate emulsion film forming agent, the method has the advantages of low reaction temperature, simple process, low cost, and high conductivity efficiency, the film forming agent can be used as an antistatic film-forming agent or a conductive film-forming agent, can be used for the preparation of glass fiber drawing wetting agents, fabric sizing agents, leather finishing agents, carbon fiber sizing agents, binders or coatings, and the like, can effectively reduce the material surface resistance, and can be used in antistatic or electromagnetic field shielding material fields.

The invention provides an antistatic protective film. The antistatic protective film comprises a release film layer, an adhesive layer and a base material layer; the antistatic protective film is characterized in that the adhesive layer is prepared from the following components in parts by weight: 100 parts of an organosilicone adhesive, 1.0 to 10.0 parts of a curing agent, 0.1 to 10.0 parts of an anchoring agent, 0.2 to 2.0 parts of a catalyst and 0.1 to 3.0 parts of a conductive assistant; one surface or two surfaces of the base material layer is or are coated with an antistatic coating layer. The invention also provides a manufacturing method of the antistatic silica gel protective film. The antistatic protective film provided by the invention has low surface resistance, good static conduction performance and excellent adhesion, and the requirements of a market on the antistatic protective film can be met.