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2217results about "Oxide conductors" patented technology
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Transparent conductive film and method for manufacturing the same
ActiveUS20080050595A1Improve economyConductive layers on insulating-supportsSynthetic resin layered productsRocking curveFull width at half maximum
A ZnO-based transparent conductive film has practicable moisture resistance, desired characteristics of a transparent conductive film, and excellent economy. The transparent conductive film is produced by growing ZnO doped with a group III element oxide on a substrate and has a region with a crystal structure in which a c-axis grows along a plurality of different directions. The transparent conductive film produced by growing ZnO doped with a group III element oxide on a substrate has a ZnO (002) rocking curve full width at half maximum of about 13.5° or more.ZnO is doped with a group III element oxide so that the ratio of the group III element oxide in the transparent conductive film is about 7% to about 40% by weight.The transparent conductive film is formed on the substrate with a SiNx thin film provided therebetween.The transparent conductive film is formed on the substrate by a thin film formation method with a bias voltage applied to the substrate.
Owner:MURATA MFG CO LTD
Electrically conductive polymer composition
InactiveUS6184280B1Sufficient electrical conductivityImprove polymer propertiesOther chemical processesConductive materialPolymer scienceCarbon fibers
An electrically conductive polymer composition comprises a moldable organic polymer having hollow carbon microfibers and an electrically conductive white powder uniformly dispersed therein, the carbon fibers being present in an amount of 0.01 wt. % to less than 2 wt. % and the electrically conductive white powder being present in an amount of 2.5-40 wt. %, each percent range based on the total weight of the composition, the amounts of carbon microfibers and white powder being sufficient to simultaneously impart the desired electrical conductivity to the composition and white pigmentation to the composition.
Owner:MITSUBISHI MATERIALS CORP +1
High quality large area bulk non-polar or semipolar gallium based substrates and methods
InactiveUS20100003492A1Great area of substrateCost-effective manufacturingPolycrystalline material growthConductive materialPhotodetectorSolar cell
A large area nitride crystal, comprising gallium and nitrogen, with a non-polar or semi-polar large-area face, is disclosed, along with a method for making. The crystal is useful as a substrate for a light emitting diode, a laser diode, a transistor, a photodetector, a solar cell, or for photoelectrochemical water splitting for hydrogen generation.
Owner:SORAA
Electrode materials with high surface conductivity
InactiveUS6855273B2Electrode manufacturing processesDouble layer capacitorsSurface conductivityIon exchange
The present invention concerns electrode materials capable of redox reactions by electrons and alkaline 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.
Owner:CENT NAT DE LA RECHERCHE SCI +2
Semiconductor thin film, method for manufacturing the same, thin film transistor, and active-matrix-driven display panel
ActiveUS7998372B2Hardly erroneously operatesSmall currentNanotechConductive materialIndiumActive matrix
Disclosed is a semiconductor thin film which can be formed at a relatively low temperature even on a flexible resin substrate. Since the semiconductor thin film is stable to visible light and has high device characteristics such as transistor characteristics, in the case where the semiconductor thin film is used as a switching device for driving a display, even when overlapped with a pixel part, the luminance of a display panel does not deteriorate. Specifically, a transparent semiconductor thin film 40 is produced by forming an amorphous film containing zinc oxide and indium oxide and then oxidizing the film so that the resulting film has a carrier density of 10+17 cm−3 or less, a Hall mobility of 2 cm2 / V·sec or higher, and an energy band gap of 2.4 EV or more.
Owner:IDEMITSU KOSAN CO LTD
Nano-structured anode compositions for lithium metal and lithium metal-air secondary batteries
ActiveUS20110104571A1High specific capacityHigh reversible capacityFuel and primary cellsConductive materialLithium metalAlloy
This invention provides a nano-structured anode composition for a lithium metal cell. The composition comprises: (a) an integrated structure of electrically conductive nanometer-scaled filaments that are interconnected to form a porous network of electron-conducting paths comprising interconnected pores, wherein the nano-filaments have a transverse dimension less than 500 nm; and (b) micron- or nanometer-scaled particles of lithium, a lithium alloy, or a lithium-containing compound wherein at least one of the particles is surface-passivated or stabilized and the weight fraction of these particles is between 1% and 99% based on the total weight of these particles and the integrated structure together. Also provided is a lithium metal cell or battery, or lithium-air cell or battery, comprising such an anode. The battery exhibits an exceptionally high specific capacity, an excellent reversible capacity, and a long cycle life.
Owner:GLOBAL GRAPHENE GRP INC
Compositions Including Nano-Particles and a Nano-Structured Support Matrix and Methods of preparation as reversible high capacity anodes in energy storage systems
The present invention relates to compositions including nano-particles and a nano-structured support matrix, methods of their preparation and applications thereof. The compositions of the present invention are particularly suitable for use as anode material for lithium-ion rechargeable batteries. The nano-structured support matrix can include nanotubes, nanowires, nanorods, and mixtures thereof. The composition can further include a substrate on which the nano-structured support matrix is formed. The substrate can include a current collector material.
Owner:UNIVERSITY OF PITTSBURGH
Conductive sintered layer forming composition and conductive coating film forming method and bonding method using the same
InactiveUS20080160183A1Low heating temperatureShorten heating timeSemiconductor/solid-state device detailsConductive materialHeating timeConductive coating
There is provided a conductive sintered layer forming composition and a conductive sintered layer forming method that can lower heating temperature and shorten heating time for a process of accelerating sintering or bonding by sintering of metal nano-particles coated with an organic substance. The conductive sintered layer forming composition may be obtained by utilizing a phenomenon that particles may be sintered at low temperature by mixing silver oxide with metal particles coated with the organic substance and having a grain size of 1 nm to 5 μm as compared to sintering each simple substance. The conductive sintered layer forming composition of the invention is characterized in that it contains the metal particles whose surface is coated with the organic substance and whose grain size is 1 nm to 5 μm and the silver oxide particles.
Owner:HITACHI LTD
Method of Manufacturing a Printable Composition of a Liquid or Gel Suspension of Diodes
An exemplary printable composition of a liquid or gel suspension of diodes comprises a plurality of diodes, a first solvent and / or a viscosity modifier. An exemplary method of making a liquid or gel suspension of diodes comprises: adding a viscosity modifier to a plurality of diodes in a first solvent; and mixing the plurality of diodes, the first solvent and the viscosity modifier to form the liquid or gel suspension of the plurality of diodes. Various exemplary diodes have a lateral dimension between about 10 to 50 microns and about 5 to 25 microns in height. Other embodiments may also include a plurality of substantially chemically inert particles having a range of sizes between about 10 to about 50 microns.
Owner:NTHDEGREE TECH WORLDWIDE
Method and apparatus for preparation of spherical metal carbonates and lithium metal oxides for lithium rechargeable batteries
ActiveUS7435402B2Improve impedance characteristicsImproved stability of the layered oxide structureConductive materialOxide conductorsDopantLithium metal
A number of materials with the composition Li1+xNiαMnβCoγM′δO2−zFz (M′=Mg,Zn,Al,Ga,B,Zr,Ti) for use with rechargeable batteries, wherein x is between about 0 and 0.3, α is between about 0.2 and 0.6, β is between about 0.2 and 0.6, γ is between about 0 and 0.3, δ is between about 0 and 0.15, and z is between about 0 and 0.2. Adding the above metal and fluorine dopants affects capacity, impedance, and stability of the layered oxide structure during electrochemical cycling. Another aspect of the invention includes materials with the composition Li1+xNiαCoβMnγM′δOyFz (M′=Mg,Zn,Al,Ga,B,Zr,Ti), where the x is between 0 and 0.2, the α between 0 and 1, the β between 0 and 1, the γ between 0 and 2, the δ between about 0 and about 0.2, the y is between 2 and 4, and the z is between 0 and 0.5.
Owner:UCHICAGO ARGONNE LLC
Niobium Oxide Compositions and Methods for Using Same
ActiveUS20120052401A1Alkaline accumulatorsElectric discharge heatingLithium-ion batteryCarbon coated
The disclosure relates a niobium oxide useful in anodes of secondary lithium ion batteries. Such niobium oxide has formula LixM1−yNbyNb2O7, wherein 0≦x≦3, 0≦y≦1, and M represents Ti or Zr. The niobium oxide may be in the form of particles, which may be carbon coated. The disclosure also relates to an electrode composition containing at least one or more niobium oxides of formula LixM1−yNbyNb2O7. The disclosure further relates to electrodes, such as anodes, and batteries containing at least one or more niobium oxides of formula LixM1−yNbyNb2O7. Furthermore, the disclosure relates to methods of forming the above.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST
Thin film transistor, thin film transistor substrate, processes for producing the same, liquid crystal display using the same, and related devices and processes; and sputtering target, transparent electroconductive film formed by use of this,transparent electrode, and related devices and processes
InactiveUS20070170434A1Reduce light transmittanceConductive layers on insulating-supportsSemiconductor/solid-state device detailsIndiumLiquid-crystal display
Provided are a thin film transistor substrate having a transparent electroconductive film in which residues and so on resulting etching are hardly generated; a process for producing the same; and a liquid crystal display using this thin film transistor substrate. A thin film transistor substrate, comprising a transparent substrate, a source electrode formed over the transparent substrate, a drain electrode formed over the transparent substrate, and a transparent pixel electrode formed over the transparent substrate, wherein the transparent pixel electrode is a transparent electroconductive film which is made mainly of indium oxide, and further comprises one or two or more oxides selected from tungsten oxide, molybdenum oxide, nickel oxide and niobium oxide, and the transparent pixel electrode is electrically connected to the source electrode or the drain electrode; a process for producing the same; and a liquid crystal display using this thin film transistor substrate.
Owner:IDEMITSU KOSAN CO LTD
Composite materials of nano-dispersed silicon and tin and methods of making the same
Composite compounds of tin and lithium, silicon and lithium, or tin, silicon, and lithium having tin and silicon nano-dispersed in a lithium-containing matrix may be used as electrode materials and particularly anode materials for use with rechargeable batteries. Methods of making the composite compounds include the oxidation of alloys, the reaction of stabilized lithium metal powder with tin and silicon oxides, and the reaction of inorganic salts of lithium with tin and silicon containing compounds.
Owner:LIVENT USA CORP
Anistropic semiconductor nanoparticles
InactiveUS20130115455A1Low fluorescence quantum efficiencyReduces electron-hole overlapLiquid surface applicatorsConductive materialEngineeringSemiconductor Nanoparticles
The present invention provides seeded rod (SR) nanostructure systems including an elongated structure embedded with a seed structure being a core / shell structure or a single-material rod element. The SR systems disclosed herein are suitable for use in a variety of electronic and optical devices.
Owner:YISSUM RES DEV CO OF THE HEBREWUNIVERSITY OF JERUSALEM LTD
Substrate with transparent conductive oxide film, process for its production and photoelectric conversion element
InactiveUS20050000564A1Conductive materialSolid-state devicesElectrical resistance and conductancePhotoelectric conversion
A substrate with a transparent conductive oxide film (especially a substrate with a transparent conductive oxide film useful as a substrate for a thin-film silicon-based solar cell) being excellent in mass production efficiency and being characterized by having a low resistance, a high transparency and a good light scattering performance over a full wavelength region (300 nm to 3 μm) of solar ray, a process for its production, and a photoelectric conversion element (especially, solar cell) employing the substrate, are presented. A substrate with a transparent conductive oxide film, comprising a substrate and a transparent conductive oxide layer formed on the substrate and constituted by a plurality of ridges is and a plurality of flat portions, wherein the surfaces of the ridges and the flat portions, have many continuous micron-size protrusions.
Owner:ASAHI GLASS CO LTD
Metal oxide coated polymer substrates
InactiveUS6919035B1Improve stabilitySuitable for useConductive materialPretreated surfacesPorous substratePolymer substrate
Metal oxide coated substrates are disclosed comprising a three dimensional substrate having a coating of metal oxide on at least a portion of all three dimensions thereof and having a polymeric inner core, produced by a unique process having particular applicability to the manufacture of tin oxide coated three dimensional substrates. Certain novel coated substrates, such as flakes, spheres and porous substrates are disclosed. The coated substrates are useful in polymers, catalysis, heating and shielding applications.
Owner:ENSCI
Electrodes comprising mixed active particles
ActiveUS7041239B2Improve cycle performanceHigh capacity retentionConductive materialOxide conductorsChemical compositionManganese oxide
Electrode active materials comprising two or more groups of particles having differing chemical compositions, wherein each group of particles comprises a material selected from:(a) materials of the formula A1aM1b(XY4)cZd; and(b) materials of the formula A2eM2fOg; andwherein(i) A1, A2, and A3 are Li, Na, or K;(ii) M1 and M3 comprise a transition metal;(iv) XY4 a phosphate or similar moiety; and(v) Z is OH, or halogen.In a preferred embodiment, A2eM3fOg is A3hMniO4 having an inner and an outer region, wherein the inner region comprises a cubic spinel manganese oxide, and the outer region comprises a manganese oxide enriched in Mn+4 relative to the inner region. In a preferred embodiment, the compositions also comprise a basic compound.
Owner:LITHIUM WERKS TECH BV +1
Nitride and Carbide Anode Materials
ActiveUS20100233546A1High chemicalHigh environmental stabilityFinal product manufactureConductive materialNanoparticleVanadium nitride
Described is an anode material which is a transition metal nitride or carbide in form of nanoparticles, preferably a nitride or carbide with one nitrogen or carbon per metal, and especially a nitride or carbide having rock salt structure. A preferred anode material is vanadium nitride, in particular carbon coated vanadium nitride having a mean particle size of <500 nm. Embedded in an electrically conducting environment, such nanoparticulate material, in particular the vanadium nitride shows exceptional good charging-discharging cycle stability.
Owner:BELENOS CLEAN POWER HLDG
Non-Aqueous Electrolyte Secondary Battery
ActiveUS20090035659A1Improve featuresGood crystal stabilityElectrode manufacturing processesConductive materialComposite oxideNon aqueous electrolytes
A lithium-containing composite oxide represented by the formula 1: LixNi1-y-z-v-wCoyAlzM1vM2wO2 is used as a positive electrode active material for a non-aqueous electrolyte secondary battery. The element M1 is at least one selected from the group consisting of Mn, Ti, Y, Nb, Mo, and W. The element M2 includes at least two selected from the group consisting of Mg, Ca, Sr, and Ba, and the element M2 includes at least Mg and Ca. The formula 1 satisfies 0.97≦x≦1.1, 0.05≦y≦0.35, 0.005≦z≦0.1, 0.0001≦v≦0.05, and 0.0001≦w≦0.05. The primary particles have a mean particle size of 0.1 μm or more and 3 μm or less, and the secondary particles have a mean particle size of 8 μm or more and 20 μm or less.
Owner:PANASONIC CORP +1
Metallic colloidal solution and inkjet-use metallic ink
InactiveUS20050189520A1Easy to handleUniform particle sizeLiquid surface applicatorsConductive materialWater basedOrganic solvent
A metallic colloidal solution (a) includes a water-based dispersion medium that is easy in handling with regard to safety and environment and metallic particles having a uniform particle diameter and being excellent in properties such as conductivity and (b) has properties suitable for various printing methods and ink-applying methods. In addition, an inkjet-use metallic ink incorporating the metallic colloidal solution has properties suitable for the inkjet printing method. The metallic particles are deposited by reducing metallic ions in water and have a primary-particle diameter of at most 200 nm. The dispersion medium is made of a mixed solvent of water and a water-soluble organic solvent. The metallic particles are dispersed in the dispersion medium under the presence of a dispersant having a molecular weight of 200 to 30,000.
Owner:SUMITOMO ELECTRIC IND LTD
Solution-based fabrication of photovoltaic cell
InactiveUS20080142081A1Improve overall utilizationLow costMaterial nanotechnologyNanostructure manufactureNanoparticleSolar cell
Owner:AERIS CAPITAL SUSTAINABLE IP
Method and apparatus for preparation of spherical metal carbonates and lithium metal oxides for lithium rechargeable batteries
ActiveUS20050058588A1Improve impedance characteristicsImprove stabilityConductive materialOxide conductorsDopantLithium metal
A number of materials with the composition Li1+xNiαMnβCoγM′δO2−zFz (M′=Mg,Zn,Al,Ga,B,Zr,Ti) for use with rechargeable batteries, wherein x is between about 0 and 0.3, α is between about 0.2 and 0.6, β is between about 0.2 and 0.6, γ is between about 0 and 0.3, δ is between about 0 and 0.15, and z is between about 0 and 0.2. Adding the above metal and fluorine dopants affects capacity, impedance, and stability of the layered oxide structure during electrochemical cycling. Another aspect of the invention includes materials with the composition Li1+xNiαCoβMnγM′δOyFz (M′=Mg,Zn,Al,Ga,B,Zr,Ti), where the x is between 0 and 0.2, the α between 0 and 1, the β between 0 and 1, the γ between 0 and 2, the δ between about 0 and about 0.2, the y is between 2 and 4, and the z is between 0 and 0.5.
Owner:UCHICAGO ARGONNE LLC
Transparent conductive film and method for manufacturing the same
ActiveUS7867636B2Improve economyConductive layers on insulating-supportsSynthetic resin layered productsRocking curveCrystal structure
A ZnO-based transparent conductive film is produced by growing ZnO doped with a group III element oxide on a substrate and has a region with a crystal structure in which a c-axis grows along a plurality of different directions. The transparent conductive film produced by growing ZnO doped with a group III element oxide on a substrate has a ZnO (002) rocking curve full width at half maximum of about 13.5° or more. ZnO is doped with a group III element oxide so that the ratio of the group III element oxide in the transparent conductive film is about 7% to about 40% by weight. The transparent conductive film is formed on the substrate with a SiNx thin film provided therebetween. The transparent conductive film is formed on the substrate by a thin film formation method with a bias voltage applied to the substrate.
Owner:MURATA MFG CO LTD
Optical transparent film and sputtering target for forming optical transparent film
InactiveUS6528442B1Reduced particle formationImprove adhesionConductive layers on insulating-supportsVacuum evaporation coatingTectorial membraneSputtering
To provide an optically transparent film containing 0.01 to 20% by weight glass forming oxide consisting of Nb2O5, V2O5, B2O3, SiO2, and P2O6; 0.01 to 20% by weight Al2O3 or Ga2O3; and 0.01 to 5% by weight hard oxide of ZrO2 and TiO2 as required; balance being ZnO, and a sputtering target for forming such a film. This sputtering target reduces occurrence of particles during sputtering, decreases the number of interruption or discontinuance of sputtering to improve production efficiency, and forms a protective film for optical disks with large transmittance and low reflectance.
Owner:JX NIPPON MINING& METALS CORP
Conductive silicon compound, its preparation and negative electrode material of non-aqueous electrolyte secondary battery
InactiveCN1513922AImprove cycle performanceAvoid defectsMaterial nanotechnologyInorganic pigment treatmentSilicon dioxideSilicon
A conductive silicon composite in which particles having a structure in which crystallites of silicon are dispersed in silicon dioxide are coated on their surfaces with carbon affords satisfactory cycle performance when used as the negative electrode material in a non-aqueous electrolyte secondary cell.
Owner:SHIN ETSU CHEM IND CO LTD
Amorphous ionically-conductive metal oxides, method of preparation, and battery
A method for forming an amorphous ionically conductive metal oxide, such as lithium lanthanum zirconium oxide (LLZO), by chemical vapor deposition (CVD), as well as to the ionically conductive material formed by the method, are provided. Such a material may be utilized as a solid electrolyte and / or as a solid separator in an all solid state lithium battery.
Owner:JOHNSON IP HLDG LLC
Electrode materials with high surface conductivity
InactiveUS20040140458A1Simple structureHigh crystallinityElectrode manufacturing processesDouble layer capacitorsSurface conductivityIon exchange
The present invention concerns electrode materials capable of redox reactions by electrons and alkaline 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.
Owner:CENT NAT DE LA RECHERCHE SCI +2
Nanostructure-based transparent conductors having increased haze and devices comprising the same
ActiveUS20110163403A1Increased haze/light-scatteringIncrease contactConductive layers on insulating-supportsDiffusing elementsElectrical conductorNanostructure
The present disclosure relates to modifications to nanostructure based transparent conductors to achieve increased haze / light-scattering with different and tunable degrees of scattering, different materials, and different microstructures and nanostructures.
Owner:CHAMP GREAT INTL
Solution-based fabrication of photovoltaic cell
InactiveUS20080142084A1Improve overall utilizationLow costMaterial nanotechnologyNanostructure manufactureNanoparticleProduct gas
Owner:AERIS CAPITAL SUSTAINABLE IP
High-aspect ratio screen printable thick film paste compositions containing wax thixotropes
InactiveUS20140124713A1Good printabilityHigh aspect ratioConductive materialSemiconductor/solid-state device manufacturingWaxScreen printing
Provided are high-aspect ratio printable thick film metal paste compositions that can be deposited onto a substrate using, for example, screening printing techniques; and methods of preparing and using thick film printable metal pastes; and methods of screen printing of the thick film metal paste compositions onto a substrate to produce printed circuits, conductive lines or features on the substrate and / or a conductive surface on a solar cell device. Also provided are printed substrates containing an electronic feature produced by the high-aspect ratio printable thick film metal paste compositions.
Owner:MAJUMDAR DIPTARKA +3
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