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299results about How to "Improve discharge stability" patented technology
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Fluoride ion electrochemical cell
ActiveUS20090029237A1Improve performanceHigh energyAlkaline accumulatorsLead-acid accumulatorsMetallic lithiumState of art
The present invention provides electrochemical cells capable of good electronic performance, particularly high specific energies, useful discharge rate capabilities and good cycle life. Electrochemical cells of the present invention are versatile and include primary and secondary cells useful for a range of important applications including use in portable electronic devices. Electrochemical cells of the present invention also exhibit enhanced safety and stability relative to conventional state of the art primary lithium batteries and lithium ion secondary batteries. For example, electrochemical cells of the present invention include secondary electrochemical cells using anion charge carriers capable of accommodation by positive and negative electrodes comprising anion host materials, which entirely eliminate the need for metallic lithium or dissolved lithium ion in these systems.
Owner:CALIFORNIA INST OF TECH +1
Electrolytes for wide operating temperature lithium-ion cells
ActiveUS20120007560A1Large cycle lifeImprove discharge stabilityBatteries circuit arrangementsFinal product manufactureElectrical batteryPhysical chemistry
Provided herein are electrolytes for lithium-ion electrochemical cells, electrochemical cells employing the electrolytes, methods of making the electrochemical cells and methods of using the electrochemical cells over a wide temperature range. Included are electrolyte compositions comprising a lithium salt, a cyclic carbonate, a non-cyclic carbonate, and a linear ester and optionally comprising one or more additives.
Owner:CALIFORNIA INST OF TECH
Ink set and method and apparatus for recording image
InactiveUS20070054981A1Improve scratch resistanceImprove waterproof performanceInksCoatingsOrganic solventWater soluble
An ink set comprising an ink containing at least an organic pigment, a water-soluble organic solvent and water and a treating liquid which is applied to a recording medium before applying the ink to the recording medium and produces an agglomerate upon contact with the ink, the ink containing a low molecular weight dispersant having a molecular weight of 2000 or lower and polymer fine particles.
Owner:FUJIFILM CORP
Lighting device for discharge lamp
InactiveUS20050264237A1Generation of flicker can be suppressedSuppress flickerElectrical apparatusElectric light circuit arrangementVoltage converterElectric light
A lighting device for high-pressure discharge lamp for lighting the high-pressure discharge lamp by lowering or raising a DC voltage applied to an input side by a DC / DC converter circuit, then converting the DC power into an AC power by a DC / AC inverter circuit, supplying the AC power to the high-pressure discharge lamp and lighting the high-pressure discharge lamp, wherein when the polarity of the current of the high-pressure discharge lamp lit by the substantially rectangular wave is inverted, the output voltage of the DC / DC converter circuit is set to 1.5 times or more as large as the voltage at the stable lighting time of the high-pressure discharge lamp.
Owner:HARISON TOSHIBA LIGHTING CORP
Inkjet recording ink, process for producing the inkjet recording ink, inkjet cartridge, inkjet recording apparatus, and inkjet recorded image
InactiveUS20110318551A1Good storage stabilityReduce eliminateMaterial nanotechnologyLayered productsMeth-Organic solvent
Provided is an inkjet recording ink including: a resin nanoparticle having a core-shell structure containing a core and a shell; a pigment; a water-soluble organic solvent; and water, wherein the core is composed of a poly(meth)acrylate resin, and wherein the shell is composed of a polycarbonate-polyurethane copolymer. Also provided is a process for producing the inkjet recording ink, an inkjet cartridge containing the inkjet recording ink, an inkjet recording apparatus containing the inkjet cartridge, and an inkjet recorded image including the inkjet recording ink located on a recording medium.
Owner:RICOH KK
Inkjet ink, and ink cartridge, inkjet recording method, inkjet recording apparatus and ink record using the same
ActiveUS20090047431A1Improve discharge stabilityAvoid fixationMeasurement apparatus componentsInksWater insolublePeak area
The present invention provides an inkjet ink containing at least a colorant, water, a water insoluble resin, a fluorine surfactant, and a polyether-modified silicone oil, wherein the polyether-modified silicone oil has a hydrophobic value of 0.40 to 1.5, and the hydrophobic value is expressed by Equation 1:Hydrophobic value=A / B Equation 1where “A” represents an integration value of a peak area from 0 ppm to 0.3 ppm in a 1H-NMR spectrum of the polyether-modified silicone oil using tetramethylsilane as a reference substance; and “B” represents an integration value of a peak area from 3.5 ppm to 4.0 ppm in the 1H-NMR spectrum.
Owner:RICOH KK
Recording Ink, Ink Cartridge, Ink Record, Inkjet Recording Apparatus, and Inkjet Recording Method
ActiveUS20080248260A1Improve discharge stabilityGood storage stabilityMeasurement apparatus componentsDecorative surface effectsCarbon numberElectrical resistance and conductance
The object of the invention to provide a recording ink with excellent discharge stability and storage stability, which rapidly penetrates into a recording medium and forms a coating, and which will never generate smearing upon high-speed printing or double-sided printing, and which excels in marker resistance, and which enables high quality image recording with less bleeding, and the ink cartridge, the ink record, the inkjet recording apparatus, and the inkjet recording method using the recording ink. The recording ink containing at least water, a colorant, a resin fine-particle, a water-soluble organic solvent and a penetrant, in which the penetrant is a diol compound whose carbon number is 7 to 11 and the resin fine-particle is a silicone modified acrylic resin not containing a hydrolyzable silyl group.
Owner:RICOH KK
Novel conductive agent doping/coating lithium iron phosphate material and its production method
InactiveCN101222044AHigh specific capacityImprove cycle stabilityElectrode manufacturing processesPhosphorus compoundsHigh rateLithium iron phosphate
The invention discloses a novel lithium iron phosphate material which is adulterated / covered with conductive agents and a preparation method thereof. The lithium iron phosphate material of the invention comprises lithium source compounds, iron source compounds, phosphate radical source compounds and the conductive agents of lithium iron phosphates. The technology of the invention is simple; the material is clean and pollution-free; the cost of the material is low. The invention is suitable for industrialized mass production. Specific capacity of the obtained lithium iron phosphate material is high (more than 140 mAh / g); cyclical stability is good (more than 300 times); high rate charging and discharging performance of the lithium iron phosphate material is particularly prominent (5C capacity can still reach 80 mAh / g); conductivity and stacking density are high; diffusivity of protons is improved; contact between active materials and an electrode is increased; internal resistance of the electrode and a battery is reduced; discharging and cyclical stabilities of the electrode are obviously improved. The invention is widely applied to novel high performance lithium ion batteries.
Owner:NANKAI UNIV
Structure of direct alcohol fuel cell membrane electrode aggregate and preparation method thereof
InactiveCN102005582AImprove transmission efficiencyImprove utilization efficiencyCell electrodesAlcohol fuelCell membrane
The invention relates to a structure of a direct alcohol fuel cell membrane electrode aggregate. The membrane aggregate sequentially comprises a support layer, an anode micropore layer, an anode catalysis layer, a Nafion film, cathode catalysis layers, a cathode micropore layer and a cathode support layer. The structure is characterized in that the cathode catalysis layers are in hydrophobic and graded distribution, i.e. dual layers, three layers or multiple layers of prepared cathode catalysis layers the hydrophobicity of which is gradually changed; and a preparation method of the membrane aggregate comprises the following steps of: with carbon paper or carbon cloth as the support layer, coating a micropore dispersion layer formed by various carbon materials and a polytetrafluoroethylenebinder according to the requirements; then coating slurry formed by a precious metal-based catalyzer, Nafion resin and the like; and carrying out hot pressing on an anode and a cathode and the Nafionfilm through a proper hot treatment step and the like under certain conditions to obtain MEA (Mono Etobaccool Amine). Because the cathode catalysis layer structure in the hydrophobic and graded distribution improves the mass transfer of cathode oxygen and the catalyzer use ratio, the power density and the discharging stability are improved.
Owner:上海新微科技集团有限公司
Inkjet Recording Ink
InactiveUS20070263054A1Improve discharge stabilityGood storage stabilityMeasurement apparatus componentsInksPolymer scienceMeth-
The present invention aims to provide an ink for ink jet recording that is excellent in storage stability and discharge stability and attains high coloration on regular paper or gloss paper and high glossiness on gloss paper. The ink for ink jet recording of the invention includes: water; and a pigment dispersed by using a polymer which is obtained by polymerizing at least 50% by weight or more of benzylacrylate and 15% by weight or less of (meth)acrylic acid as components of the polymer and has an acid value of no less than 50 mgKOH / g and no more than 120 mgKOH / g and a weight average molecular weight of no less than 10000 and no more than 120000.
Owner:SEIKO EPSON CORP
High pressure discharge lamp driving apparatus, luminaire and high pressure discharge lamp driving method
InactiveUS6504323B2Reduce volatilityControl flickeringElectrical apparatusElectric light circuit arrangementEngineeringComputational physics
Owner:HARISON TOSHIBA LIGHTING CORP
Ink-jet recording water-based ink composition
InactiveUS20090246479A1Improve discharge stabilityDegree of glossMaterial nanotechnologyDecorative surface effectsWater basedWax
An ink-jet recording water-based ink composition includes a polymer obtained by emulsion polymerization of a monomer having an ethylene-type unsaturated bond in the molecule and divinylbenzene in the presence of a reactive emulsifier, a polyethylene-based wax, a water-soluble resin, water, and a colorant. When ink coat is formed on a plastic film having a degree of gloss at 60° of 140 to 150 by discharging droplets of the ink composition onto the plastic film, the ink coat has a degree of gloss at 60° within a range of 50 to 120.
Owner:SEIKO EPSON CORP
Recording Ink, Ink Cartridge, Inkjet Recording Apparatus, Inkjet Recording Method and Ink Record
InactiveUS20080092773A1Smooth dischargeStrong color development abilityMaterial nanotechnologyMeasurement apparatus componentsPolymer scienceWater soluble
It is an object of the present invention to provide a recording ink comprising at least a color material particle which is an inorganic pigment particle coated with one of organic pigment and carbon black, a polymer particle, a water soluble solvent and water, an ink cartridge, an inkjet recording method, an inkjet recording apparatus and an ink record that utilize the recording ink respectively.
Owner:RICOH KK
Color filter ink, color filter ink set, color filter, image display device, and electronic device
InactiveUS20100022700A1Improve discharge stabilityIncreased durabilityOptical filtersInksLiquid mediumPolymer chemistry
A color filter ink is adapted to be used to manufacture a color filter by an inkjet method. The color filter ink includes a colorant, a liquid medium that dissolves and / or disperses the colorant, and a resin material. The resin material includes a polymer X and a polymer Y. The polymer X has a monomer component x1 represented by a prescribed chemical formula, a monomer component x2 represented by a prescribed chemical formula, a monomer component x3 represented by a prescribed chemical formula, and a monomer component x4 represented by a prescribed chemical formula. The polymer Y has a monomer component y1 represented by a prescribed chemical formula and a monomer component y2 represented by a prescribed chemical formula.
Owner:SEIKO EPSON CORP
Lithium ion fluoride electrochemical cell
InactiveUS20140030559A1Improve performanceImprove securityElectrode manufacturing processesElectrode carriers/collectorsCharge carrierHost material
Electrochemical cells of the present invention are versatile and include primary and secondary cells useful for a range of important applications including use in portable electronic devices. Electrochemical cells of the present invention also exhibit enhanced safety and stability relative to conventional state of the art primary lithium batteries and lithium ion secondary batteries. For example, electrochemical cells of the present invention include secondary electrochemical cells using a combination of anion and cation charge carriers capable of accommodation by positive and negative electrodes independently comprising host materials.
Owner:CALIFORNIA INST OF TECH
Actinic radiation curing jet printing ink
InactiveUS6913352B2Low viscosityExcellent photo-polymerizabilityMeasurement apparatus componentsInksDispersion stabilityPrinting ink
Disclosed is an active energy beam curable inkjet printing ink including a pigment, a compound containing two or more ethylenic double bonds, a compound containing one ethylenic double bond and having a molecular weight of 90 to 210, 2-benzyl-2-dimethylamino-1-(4-morpholinophenyl)-butanone-1 as a first initiator, and acylphosphine oxides as a second initiator. The ink has low viscosity, excellent photo-polymerizability, remarkably excellent curing property, good dispersion stability, causes no dissolution and swelling of ink contacting materials in a printer, and shows excellent discharge stability from nozzles, an excellent adherence property to a recording medium, excellent solvent resistance and water resistance.
Owner:TOYO INK SC HOLD CO LTD
Ink composition and method of recording a recording medium using this
This consists in an ink composition containing: a coloring agent, 2-pyrrolidone, a specific surfactant, a butyl ether-based solvent, water, and a water-soluble organic solvent. With the present invention, it is possible to provide an ink composition with which clogging cannot occur, which is of excellent discharge stability, and which affords excellent printing quality by preventing blurring.
Owner:SEIKO EPSON CORP
Lighting device for discharge lamp
InactiveUS7208882B2Suppress flickerImprove discharge stabilityElectrical apparatusElectric light circuit arrangementGas-discharge lampEffect light
A lighting device for high-pressure discharge lamp for lighting the high-pressure discharge lamp by lowering or raising a DC voltage applied to an input side by a DC / DC converter circuit, then converting the DC power into an AC power by a DC / AC inverter circuit, supplying the AC power to the high-pressure discharge lamp and lighting the high-pressure discharge lamp, wherein when the polarity of the current of the high-pressure discharge lamp lit by the substantially rectangular wave is inverted, the output voltage of the DC / DC converter circuit is set to 1.5 times or more as large as the voltage at the stable lighting time of the high-pressure discharge lamp.
Owner:HARISON TOSHIBA LIGHTING CORP
Printing apparatus, printing apparatus control method, printhead control circuit, and printhead driving method
ActiveUS20070139510A1Increase printhead discharge stabilityImprove discharge stabilityOther printing apparatusEngineeringControl circuit
A printing apparatus prints on a printing medium by using a printhead which has a first nozzle array including a plurality of nozzles from which a first nozzle amount of the ink is discharged and a second nozzle array including a plurality of nozzles from which a second nozzle amount of the ink is discharged. This printing apparatus time-divisionally drives a plurality of blocks obtained by dividing each of the first nozzle array and the second nozzle array. The printing apparatus selects, from the first nozzle array and the second nozzle array, a block to be driven by the driving unit within a predetermined period. This printing apparatus controls the selection unit to alternately select a block from the first nozzle array and the second nozzle array and sequentially select a block from each nozzle array in a predetermined order.
Owner:CANON KK
Mixed conductor composite material LiFePO4-MXy and preparation method thereof
InactiveCN102427134AHigh tap densityImprove discharge stabilityCell electrodesElectrical conductorHigh rate
The invention discloses a mixed conductor composite material LiFePO4-MXy. The mixed conductor composite material LiFePO4-MXy is prepared by synthesizing LiFePO4 from the oxides or sulfides of transition metals by a solid state method, and performing high-energy ball-milling and annealing on the transition metals to obtain the mixed conductor composite material LiFePO4-MXy. In the mixed conductor composite material (MCM) LiFePO4-MXy, MXy is not only a conductor of lithium ions but also a conductor of electrons, LiFePO4 particles are uniformly dispersed in the MXy, and the surface of the mixed conductor composite material in a lithium ion battery comprises a carbon material which is added in size mixing and electrolyte which is impregnated in the carbon material. The LiFePO4-MXy has the advantages of high electron conductivity, high ion conductivity, high high-rate charge and discharge capacity, high cycle performance, relatively higher tap density, simple and practical production process, cleanness, no pollution, low cost and the like, and is suitable for large-scale production.
Owner:XIANGTAN UNIV
New method for analyzing non-conductor material by utilizing glow discharge mass spectrum
ActiveCN102175754AThe pre-processing process is simpleAvoid pollutionMaterial analysis by electric/magnetic meansMolten stateIndium
The invention discloses a method for analyzing a non-conductor material by utilizing a glow discharge mass spectrum, comprising the following concrete steps of: (a), processing the non-conductor material to be analyzed into a strip sample; (b), cleaning and stoving the strip sample; (c), placing metal indium into a silica crucible and heating to a molten state; (d), cladding the surface of the strip sample with a layer of metal indium membrane; (e), cleaning and stoving the strip sample again; and (f), carrying out direct current glow discharge mass spectrum analysis. By utilizing the analysis method provided by the invention, sample grinding and polishing are not needed, the pretreatment is simple and the pollution is avoided; the operation is simple and convenient, the usage amount of the metal indium is greatly decreased and the analysis cost is reduced; the discharge of the sample is similar to that of a conductor sample and is easily stabilized, the stability of a signal is good, the SNR(Signal to Noise Ratio) is ideal, the analysis time is shortened and the analysis efficiency is increased; the method is suitable for the analysis of massive or crystalline materials, the universality is strong and the application range is wide; and the sample has very good discharge stability and analysis repeatability.
Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
Ink jet recording method, photocurable ink jet ink composition, and ink jet recording device
ActiveUS20130258017A1Improve stabilityGood dispersionDuplicating/marking methodsInksPolymer sciencePhoto irradiation
The ink jet recording method includes discharging liquid droplets of a photocurable ink composition including a solvent, a polymerizable compound, and a photopolymerization initiator from a head to a recording medium to land the liquid droplets, thereby forming an image; evaporating the solvent included in the photocurable ink composition constituting the image; and irradiating the image after the second step with light, wherein when the irradiation is initiated in the third step, the content of the polymerizable compound included in the photocurable ink composition constituting the image after the second step is from 20 to 90% by mass, based on the total mass of the ink composition.
Owner:SEIKO EPSON CORP
Ink jet recording apparatus
ActiveUS20140292911A1Easy to cleanImprove discharge stabilityPrintingInorganic pigmentsElectrical and Electronics engineering
The ink jet recording apparatus comprises a recording head provided with a nozzle forming surface provided with nozzles which discharge an ink composition containing inorganic pigments, and a liquid repelling film which is provided on the nozzle forming surface; a maintenance unit for preserving the recording head; and a movement section which is arranged at a position which faces the nozzle forming surface and the maintenance unit and which relatively moves the nozzle forming surface and the maintenance unit.
Owner:SEIKO EPSON CORP
Device for treating waste gas by microwave plasma
PendingCN107617320AIncrease profitAvoiding Reduced Microwave Coupling EfficiencyDispersed particle separationChemical reactionGas passing
The invention provides a device for treating waste gas by microwave plasma, and belongs to the field of environment protection. The device mainly comprises a microwave plasma generator, a gas to be treated entering device, a gas detection system and a tail gas treatment system, wherein the gas to be treated is introduced into the gas to be treated entering device in a tangential air flow mode to form rotational air flow to pass through a gap of a coaxial metal pipe; heat released by a plasma torch performs preheating on the gas passing through the gap of a coaxial pipe through the coaxial inner metal pipe wall heat transfer; then, the gas is added to a discharging pipe outlet position of the microwave plasma generator from the opening end of the gas to be treated entering device to be effectively mixed with the plasma torque formed by discharging of the spiral air flow injected from the gas injection unit of the microwave plasma generator; chemical reaction is taken; waste gas is removed. The device provided by the invention has the advantages that the investment cost is low; the system structure is simple; the stable and durable operation of the microwave waste gas treatment device is maintained under the condition of reducing the energy consumption; the waste gas removal efficiency is improved.
Owner:DALIAN UNIV OF TECH
Multi-structure coupling magnetic field adaptability type rotating arc ion plating device
ActiveCN102936718ASatisfy the rotating magnetic field stateEmission reductionVacuum evaporation coatingSputtering coatingEtchingTransverse magnetic field
The invention relates to the technical field of thin film and coating preparation, in particular to a multi-structure coupling magnetic field adaptability type rotating arc ion plating device and solves the problems that in prior art, large particles exist, target material etching and coating uniformity are poor, the deposition efficiency is low, and the like. According to the rotating arc ion plating device, a special multi-function multi-structure adaptability type ion plating gun is matched with a structurally optimized water-cooling flange sleeve to serve as an entire arc source structure, an axial auxiliary magnetic field device is arranged in the rear of a target material base of the ion plating gun, a secondary rotating transverse magnetic field generator and a focusing guide magnetic field device are arranged on the outer side of the flange sleeve, a poly-type composite magnetic field with a secondary rotating transverse magnetic field as a master and other coupled magnetic fields is formed under the action of coupling of three magnetic field devices, requirements of rotating magnetic field states nearby a target surface can be met, the arc spot electro-discharge mode is improved, the power density is reduced, large particle emission is reduced, the magnetic field distribution of plasma conveying space can be guaranteed, and plasma conveying efficiency and uniformity are improved.
Owner:温州驰诚真空机械有限公司
Ink composition, inkjet recording method, printed material, process for producing lithographic plate, and lithographic printing plate
InactiveUS20060262174A1High sensitivitySlightly corrodedMeasurement apparatus componentsDuplicating/marking methodsHalogenCompound (substance)
An ink composition is provided that comprising a) a polymerizable compound, b) a polymerization initiator, and c) a coloring agent, the ink composition having a halogen ion content of no greater than 500 ppm. There is also provided an inkjet recording method that includes a step of discharging the ink composition onto a recording medium, and a step of irradiating the discharged ink composition with radiation so as to cure the ink composition.
Owner:FUJIFILM CORP +1
Ink composition, recording method using it and recording image, ink group and ink jet head
The ink composition 60 is produced in such a way that the difference between dynamic surface tension(mN / m) and static surface tension(mN / m) determined at 24-26[deg.]C by maximum foam pressure method is 0-7(mN / m). The printing method comprises the following process. The ink composition 60 is reserved in the ink tank 50 of the ink head 1 and fed from the ink tank 50 into an ink chamber 40 with a jet nozzle 31, voltage is applied on a diaphragm section 12 formed of a piezoelectric material and pressure is applied on the ink composition 60 filled in the ink chamber 40 through the diaphragm section 12 to jet droplets of the ink composition 60 via the jet nozzle 31, and the droplets are put on a printing material to print images on the printing material.
Owner:SHARP KK
Discharging electrode structure generated by vacuum plasmas based on magnetic field effects
The invention discloses a discharging electrode structure generated by vacuum plasmas based on magnetic field effects, which is placed in a vacuum environment and comprises a cathode, an anode and an insulated part, wherein the cathode comprises a metal cylinder, one end of the metal cylinder is provided with a circular cone, and the cone end of the circular cone serves as a discharging end of the cathode; the insulated part comprises a tubular insulated part sleeving and coating the cathode, and one end of the tubular insulated part is provided with a horn-shaped radial insulated part; the anode comprises a ring anode and a spiral tube-shaped anode; one end of the tubular insulated part is connected with the horn-shaped radial insulated part via the ring anode; a single layer or multiple layers of metal wires with insulation is or are spirally wound on the insulated part to form the spiral tube-shaped anode; axes of the ring anode and the spiral tube-shaped anode and the cone end center line of the cathode circular cone are kept to be coincident; and the cathode is connected with a negative high-voltage terminal of an external circuit via a wiring column, one end of the spiral tube-shaped anode is directly connected with the ring anode, and the other end of the spiral tube-shaped anode is grounded via a wire.
Owner:BEIJING JIAOTONG UNIV
Manufacturing method of ink jet recording head and ink jet recording head manufactured by manufacturing method
InactiveUS20050140716A1Improve discharge stabilityHigh yieldRecording apparatusPiezoelectric/electrostrictive device manufacture/assemblyOxygenDry etching
A manufacturing method of an ink jet recording head including a discharge port for discharging ink includes the step of forming the discharge port by performing dry etching of a discharge port forming member for forming the discharge port, wherein the discharge port forming member is formed of a Si including resin, and the step of dry etching is performed by using an etching gas including oxygen and chlorine as necessary components.
Owner:CANON KK
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