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Lithium metal-sulfur and lithium ion-sulfur secondary batteries containing a nano-structured cathode and processes for producing same
ActiveUS20110165466A1High specific capacityImprove the immunityMaterial nanotechnologyElectrochemical processing of electrodesSpecific energyLithium metal
An electrochemical cell comprising an anode, electrolyte or an electrolyte / separator combination, and a nano-structured cathode, wherein the cathode comprises: (a) an integrated nano-structure of electrically conductive nanometer-scaled filaments that are interconnected to form a porous network of electron-conducting paths comprising pores with a size smaller than 100 nm (preferably smaller than 10 nm), wherein the filaments have a transverse dimension less than 500 nm (preferably less than 100 nm); and (b) powder or salt of lithium-containing sulfide (lithium polysulfide) disposed in the pores, or a thin coating of lithium-containing sulfide deposited on a nano-scaled filament surface wherein the lithium-containing sulfide is in contact with, dispersed in, or dissolved in electrolyte liquid and the lithium-containing sulfide-to-filament weight ratio is between 1 / 10 and 10 / 1 which is measured when the cell is in a fully discharged state. The cell exhibits an exceptionally high specific energy and a long cycle life.
Owner:GLOBAL GRAPHENE GRP INC
Organic-inorganic all-solid-state composite electrolyte as well as preparation and application methods thereof
PendingCN106785009AIncrease transport activityImprove wettabilitySolid electrolytesSecondary cellsElectrical conductorComposite electrolyte
The invention relates to organic-inorganic all-solid-state composite electrolyte as well as preparation and application methods thereof, belonging to the field of lithium ion batteries. According to the organic-inorganic all-solid-state composite electrolyte, a highly-ordered three-dimensional connection network skeleton is formed by an inorganic fast lithium ion conductor, and a three-dimensional connection network is filled with a polymer and lithium salt. The organic-inorganic all-solid-state composite electrolyte which is flexible and has a controllable three-dimensional connection network structure is prepared. The electrolyte is high in lithium ion conductivity, wide in electrochemical window, good in mechanical property and stable to lithium metal. A lithium ion secondary battery assembled by a composite electrolyte membrane prepared by the method is high in capacity, stable in cycle performance, low in interface impedance and good in interface stability.
Owner:UNIV OF SCI & TECH BEIJING
Preparation method of first-class phosphorus functionalized ionic liquid and application of ionic liquid in hydroformylation
ActiveCN103483381AEasy to synthesizeThe synthetic method is matureOrganic compound preparationOrganic-compounds/hydrides/coordination-complexes catalystsIon exchangeOrganic reaction
The invention relates to synthesis of first-class phosphorus functionalized polyether alkyl guanidinium ionic liquid, and an application of the first-class phosphorus functionalized polyether alkyl guanidinium ionic liquid in a homogeneous catalytic reaction. The functionalized ionic liquid of such class can be easily prepared by an ion exchange reaction between the polyether alkyl guanidinium ionic liquid and sulfonic acid type water soluble phosphine ligand. The designed phosphorus functionalized ionic liquid can be applied to organic reactions, including hydroformylation, hydroesterification, hydrocarboxylation and catalytic hydrogenation under the catalyzing of a transition metal; the dosage of the ionic liquid used in the catalytic reaction can be decreased; the activity of the catalytic reaction can be improved; a catalyst can be separated and cycled simply and conveniently.
Owner:QINGDAO UNIV OF SCI & TECH
Lithium nickel cobalt manganese positive electrode material and preparation method thereof
InactiveCN103490060AReasonable structureGood ability to withstand high voltageCell electrodesSecondary cellsRare-earth elementLithium
The invention discloses a lithium nickel cobalt manganese positive electrode material. The lithium nickel cobalt manganese positive electrode material comprises a lithium nickel cobalt manganese oxide contained core pure phase layer having a thickness of 5-8mum, a surface coat containing oxides, phosphates or fluorides of coating elements comprising Li, Al, Mg, Ti and Zr and having a thickness of 50-100nm, and a superficial doped transition layer positioned between the core pure phase layer and the surface coat, containing doping elements comprising Al, Mg, Ti and Zr or one of rare earth elements and having a thickness of 1-2mum. The lithium nickel cobalt manganese positive electrode material can inhibit the material dissolving in a cycle process without reducing a specific capacity, and has the characteristics of high capability excellent cycle and rate performances, and excellent thermal stability.
Owner:NINGDE AMPEREX TECH
Heating cooker
InactiveCN103649643AEffectively sent toEfficient cycleDomestic stoves or rangesLighting and heating apparatusEngineeringConvection
A convection fan (410) is installed at an end surface (436) of a circular truncated cone-shaped projecting portion (430) projecting from the plate portion (420) of a convection fan duct (401). A portion (460) folded back toward the rear side is formed on the convection fan (410). The portion (460) is positioned on the side of the plate portion (420) of the convection fan duct (401) with respect to the end surface (436) of the circular truncated cone-shaped projecting portion (430) and is positioned laterally to the circular truncated cone-shaped projecting portion (430).
Owner:SHARP KK
Method for separating dimethyl carbonate and methanol through pressure-swing distillation of heat pump, and apparatus thereof
InactiveCN103626656AReduce energy consumptionLow costCarbamic acid derivatives preparationOrganic compound preparationReboilerSelf-condensation
The invention provides a method for separating dimethyl carbonate and methanol through pressure-swing distillation of heat pump, and an apparatus thereof. In the dimethyl carbonate and methanol through pressure-swing distillation of the heat pump, an atmospheric azeotropic steam material obtained from the top of an atmospheric rectification tower is supercharged and heated by a heat pump compressor, and is introduced to a reboiler at the bottom of the atmospheric rectification tower as a heat source, so a liquid in the atmospheric rectification tower is heated, and the self-condensation of the atmospheric azeotropic steam material is completed. Compared with traditional atmospheric azeotropic steam material condensation through using cooling water and kettle liquid heating realized through an extra external heat source, the method in the invention properly improves the temperature and the pressure of an atmospheric azeotropic steam through the heat pump compressor to make the atmospheric azeotropic steam realize the kettle liquid heating and the reasonable and effective energy cycle as a heat source; and the cost generated by the pump heat compressor is far lower than the cost of traditional cooling water and the external heat source, so a good economic benefit is generated.
Owner:YASHENTECH CORP
Electricity generating system driven by traveling wave thermoacoustic engine
InactiveCN1766314ASmall sizeIncreased sound powerMachines/enginesMechanical power devicesElectricityThermoacoustics
The invention discloses a fluctuation thermoacoustic generation system, which comprises the following loop parts in sequence: cold junction heat exchanger, heat regenerator, heater, heat buffer pipe, hot junction heat exchanger, ring-shaped connection pipe and line generator in the pipe, wherein the generator contains a cylinder with one end of casing on the pipe and the other end with line sliding bearing; a double-loop magnetic-inductive soft iron with ring orifice is set in the cavity between cylinder and casing; the permanent magnet is inserted in the outer ring magnetic wall of soft iron; the coil rack is fixed on cylinder inner wall with part of coil in the ring orifice; the elastic or quality component is set in the hot junction pipe; the quality component does shift sliding along the elastic element; the elastic or quality phase modulation component is set in the greenhouse pipe; the quality component does shift sliding along the elastic phase modulation element. The invention can adjust the phase difference of pressure fluctuation and bulk flow fluctuation, which feedbacks the acoustic power to accomplish high effective Stirling cycle as well as inhibits the loop ring current to improve property of entire machine.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Colloidal sphere templates and sphere-templated porous materials
ActiveUS8137525B1Reduce crackingSpecific charge capacityDuplicating/marking methodsActive material electrodesColloidNanostructured metal
A method of making colloidal sphere templates and the sphere-templated porous materials made from the templates. The templated porous materials or thin films comprise micron and submicron-scaled spheres in ordered, disordered, or partially ordered arrays. The invention is useful in the synthesis of submicron porous, metallic tin-based and other high capacity anode materials with controlled pore structures for application in rechargeable lithium-ion batteries. The expected benefits of the resulting nanostructured metal films include a large increase in lithium storage capacity, rate capability, and improved stability with electrochemical cycling.
Owner:RGT UNIV OF CALIFORNIA
Multi-mode pulsed detonation propulsion system
InactiveUS6857261B2Improve performanceReduce weightCosmonautic vehiclesCosmonautic propulsion system apparatusAviationDetonation
A multi-mode propulsion system for potential application to hypersonic and aerospace planes. The system can employ various propulsion modes at various points in time, with the propulsion system employed at a given point in time being selected according to the velocity of the inlet airflow. In one embodiment, the propulsion system of the present invention has an ejector-augmented pulsed detonation rocket propulsion mode, a pulsed normal detonation wave engine mode, a steady oblique detonation wave engine mode, and a pure pulsed detonation rocket mode.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST
Anti-tumor nano medicine based on cross-linking biodegradable polymer vesica and preparation method of anti-tumor nano medicine
ActiveCN105997880AGood biocompatibilityImproved controlled releaseOrganic active ingredientsPeptide/protein ingredientsCross-linkCancer cell
The invention discloses an anti-tumor nano medicine based on cross-linking biodegradable polymer vesicae and a preparation method of the anti-tumor nano medicine. The anti-tumor nano medicine is prepared by loading a medicine on reversible cross-linking biodegradable polymer vesicae of asymmetric membrane structures; the medicine is a protein medicine, a polypeptide drug or a small molecule medicine; the reversible cross-linking biodegradable polymer vesicae of the asymmetric membrane structures are prepared from a polymer in a manner of self-assembling and cross-linking in sequence; the molecular chain of the polymer comprises a hydrophilic chain segment, a hydrophobic chain segment and PEI molecules which are connected in sequence; the hydrophobic chain segment comprises a polycarbonate chain segment and / or polyester chain segment; the medicine can be compounded and loaded under the electrostatic interaction of PEI; a membrane is reversible cross-linking biodegradable polyester / polycarbonate which is good in compatibility; dithiolane of a side chain is similar to a human body natural antioxidant lipoic acid; a shell takes PEG as a background and can target to cancer cells; the anti-tumor nano medicine has the potential to be a nano medicine system with advantages of simplicity, stability, multifunction and the like.
Owner:SUZHOU UNIV
Method for recycling alumina and sodium oxide from bayer process red mud
ActiveCN103030160AHigh dissolution rateEfficient cycleAlkali metal oxidesAluminium oxides/hydroxidesBrickRed mud
The invention relates to a method for recycling alumina and sodium oxide from bayer process red mud. In the method, by adopting a high molecular ratio and high alkali concentration sodium aluminate solution, aluminum extracting reaction can be rapidly carried out under mild operating conditions, so that the recovery rate of alumina in the red mud reaches more than 85%, and the defects, such as equipment scabbing and the like can be effectively prevented and even eliminated; by implementing an efficient crystallization process of an intermediate product of hydrated sodium aluminate, the cycle efficiency of a dissolution medium is greatly improved; due to complete transformation of a phase in the aluminum extracting reaction, a reaction process of recycling sodium oxide can be performed at low temperature and normal pressure; and after secondary sodium removal reaction, the sodium oxide content in final red mud is not more than 1% and is far less than 6-8% of the bayer process red mud. Therefore, the red mud can be doped in large proportion for preparing cement, brick and roadbed materials, concrete additives, environmental remediation materials and other fillers, and the problems such as resource utilization of the red mud, potential environment hazard and the like are hopefully solved.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI
Air-cooled refrigerator antibacterial device and air-cooled refrigerator antibacterial control method
ActiveCN103263684AImprove antibacterialEffective antibacterial and bactericidal effectDomestic cooling apparatusLighting and heating apparatusBactericidal effectAnti bacterial
The invention discloses an air-cooled refrigerator antibacterial device, comprising a housing. Opposite side walls of the housing are respectively provided with air inlets and air outlets. The air inlet side of the housing is provided with a fan. The air outlet side of the housing is provided with a sterilizing apparatus. The sterilizing apparatus comprises a titanium dioxide structure. The place of the titanium oxide structure is provided with a UV ozone lamp and a negative ion generator. The invention also discloses an antibacterial control method by using the air-cooled refrigerator antibacterial device. When the sterilizing apparatus works, hydroxyl, negative ions and ozone are produced to form a gaseous antibacterial agent with much stronger antibacterial and bactericidal effects than any one or the combination of any two of the above three. So the antibacterial and bactericidal effects are enhanced. The method of the present invention includes sending ozone, negative ions and hydroxyl of low concentration generated by the antibacterial device to every corner of upper, middle and lower shelves of the refrigerator by controlling a ventilation door switch. The ozone, negative ions and hydroxyl are continuously circulated under the action of the ventilation door to kill the bacteria in air and on the surface of foods in the refrigerator. Antibacterial test results show that the sterilization rate is greater than 90%.
Owner:河南新飞制冷器具有限公司
Cabinet air-conditioner with multi-directional air-blowing
InactiveCN1580661AImprove air conditioning performanceEven air distributionDucting arrangementsLighting and heating apparatusEngineeringMulti directional
This is a multidirectional blower air conditioner. It contains outdoor set, indoor set, blower, evaporator, four-side pass way, front blow outlet, bak blow outlet, right-side blow outlet, left-side blow outlet, blow inlet, change-diameter pipe, and blow-pipe. On the top part of indoor set cover at the front back, right and left side, all install the blow outlet, and increase blow pipe and four-sides pass way. The evaporator is installed inside of the blowpipe. The air pass through evaporator and four-sides pass way, to realize multidirectional blow in the room, to make the indoor air-more gentle, and more evenly.
Owner:SHANGHAI JIAO TONG UNIV
Preparation and use of sludge-stalk fibrous composite
ActiveCN101475332AImprove adhesionGuaranteed longevitySolid waste managementClimate change adaptationPlant rootsSludge
The invention relates to a method for preparing a sludge-straw fibre composite material and application. Municipal sludge, straw fibre and industrial waste slag (desulfurized clinker and steel slag) are used as raw materials to prepare a sludge-fibre micelle copolymer by sludge modification technology and copolymer even stirring technology; the sludge-fibre micelle copolymer is used for ecological protection and restoration of a rock slope, a clay slope and a landfill field slope. The sludge-fibre micelle copolymer prepared by the technology recycles and utilizes sludge and straw fibre which are difficult to process; and compared with various green substrates, the sludge-fibre micelle copolymer does not need to add nitrogen, phosphorus, potassium and organic fertilizer to soil, reutilizes waste and greatly reduces cost. The straw fibre improves the tensile and flexural mechanical performance of the sludge-fibre micelle copolymer and further achieves the mechanical strength index of the slope protection. Grass seeds are mixed to the copolymer; and the hydrological effect of plant and mechanical reinforcement effect of a plant root system are utilized to effectively circulate moisture and achieve the functions of reinforcing the slope and greening environment.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
Method for preparing lithium ion battery anode material LiNi0.5Mn1.5O4
InactiveCN102531071AReduce production process stepsShort synthesis timeNickel compoundsMass ratioNickel compounds
The invention relates to a method for preparing a lithium ion battery anode material LiNi0.5Mn1.5O4. The method comprises the following steps of: (1) liquid phase ball milling: performing liquid phase ball milling on a lithium-containing compound, a nickel-containing compound and a manganese-containing compound in a mass ratio of 1: (1-1.5): (2-5) in a solvent; (2) spray drying: performing spray drying on the ball-milled product in a high-speed spray drying machine; and (3) sintering: performing high-temperature sintering on the spray-dried product in a furnace, cooling the product to room temperature, crushing and grading, and thus obtaining the lithium ion battery anode material LiNi0.5Mn1.5O4. By adopting the preparation process of liquid phase ball milling, spray drying and sintering, the production process is greatly reduced, the synthesis time is short, and the production cost is reduced; and the method is easy to operate, and can realize continuous and large-scale commercial production. The lithium ion battery anode material LiNi0.5Mn1.5O4 has the characteristics of stable structure, high specific capacity and circular, stable and excellent electrochemical performance.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 18 RES INST
Automatic traffic cone collecting and placing vehicle
PendingCN107268484ASave manpower and material resourcesCollect and release road cones goodTraffic signalsRoad signsAutomotive engineeringReal-time computing
The invention provides an automatic traffic cone collecting and placing vehicle which comprises a collecting mechanism, a lifting mechanism, a storage cylinder, a storage cylinder moving mechanism, a placing mechanism, a matching control mechanism and a telescopic fallen traffic cone collecting device. In order to solve the technical problems, the automatic traffic cone collecting and placing vehicle which is simple in structure and low in cost, saves labor and materials, effectively guarantees safety of maintainers and has high automation degree is provided.
Owner:张文英
Gearbox
InactiveCN102459961AEfficient cycleImprove reliabilityToothed gearingsGear lubrication/coolingRotational axisEngineering
Owner:AISIN AI CO LTD
Shielded electronic circuit unit and method of manufacturing the same
InactiveCN1870857AReliable connection stateEfficient cycleMagnetic/electric field screeningCross-talk/noise/interference reductionElectronic componentGround pattern
A metallic film and a grounding pattern are surely connected to each other so as to achieve electrical shield of an electronic circuit unit. In an electronic circuit unit, the metallic film is provided on a top surface of a sealing resin portion for burying an electronic component, the side surfaces of the sealing resin portion that are opposite to each other, and the side surfaces of the multi-layered substrate that are opposite to each other. The metallic film is connected to the grounding patterns that are provided on the top surface of the multi-layered substrate or between the laminated layers of the multi-layered substrate. Therefore, it is possible to achieve a superior electrical shielding effect through the metallic film, as compared with the related art. Since the metallic film is formed on the side surfaces of the sealing resin and the side surfaces of the multi-layered substrate, when the metallic film is formed by a plating method, the blind hole may not be provided in the related art. Therefore, it is possible to achieve the superior circulation of the plating liquid, which results in sure connection between the sure connection between the grounding pattern and the metallic film.
Owner:ALPS ALPINE CO LTD
Comprehensive utilization method for agricultural wastes and plastic garbage
InactiveCN101343543AEfficient crackingSolve processing problemsSolid waste disposalLiquid hydrocarbon mixture productionPlastic wasteAgricultural engineering
The invention provides a comprehensive utilizing method for agricultural wastes and plastic wastes, which belongs to the waste treatment and utilization field. The comprehensive utilizing method for agricultural wastes and plastic wastes of the invention comprises the following steps that: firstly, the agricultural wastes and the plastic wastes are classified for sorting, wherein, the agricultural wastes adopt crop straws or edible mushroom sticks; secondly, the agricultural wastes are processed to form flammable gas; thirdly, the plastic wastes are processed to form flammable gas; fourthly, the flammable gas obtained through the second and the third steps is stored in a mixed way. The agricultural wastes and the plastic wastes are transformed from wastes into treasure through harmless treatment performed on the agricultural wastes and the urban plastic wastes, and the whole process is safe and reliable without secondary pollution.
Owner:LISHUI WEIDA NEW ENERGY TECH
Method and apparatus for dispersing pigment in liquid medium
InactiveUS7100851B2Efficient cycleAvoid enteringGas current separationFlow mixersWater basedLiquid medium
Owner:KANSAI PAINT CO LTD
Reversibly crosslinked biodegradable polymersome with asymmetric membrane structure as well as preparation method and application thereof to nucleic acid medicines
ActiveCN106177975AImprove loading performanceAvoid stabilityOrganic active ingredientsGenetic material ingredientsCancer cellSide effect
The invention discloses a reversibly crosslinked biodegradable polymersome with an asymmetric membrane structure as well as a preparation method and application thereof to nucleic acid medicines. The polymersome and the preparation method have the advantages that a triblock polymer PEG-P(TMC-DTC)-PEI or PEG-P(DLLA-DTC)-PEI is synthesized and is self-assembled and self-crosslinked to obtain the polymersome with the asymmetric membrane structure or the triblock polymer is linked with a targeting molecule and is self-assembled to obtain targeting RCCPs; the inner shell of the polymersome is PEI and is used for compounding and loading nucleic acid through electrostatic interaction; a membrane is reversibly crosslinked biodegradable polyester / polycarbonate with good biocompatibility; dithiolane of a side chain is similar to a human body natural antioxidant lipoic acid; the outer shell of the polymersome takes PEG as the background and can target cancer cells; by studying that the carrier is compounded with functional siRNA and studying the gene silencing effects in vitro and vivo, in vivo blood circulation and bio-distribution, the condition of treating lung cancer in situ bearing mice and toxic and side effects of the polymersome, the polymersome is expected to become a nanosystem platform integrating the advantages of simplicity, stability, multifunction, and the like and is used for carrying out efficient and active targeting delivery on siRNA to tumors in situ.
Owner:SUZHOU UNIV
Lithium ion battery silicon oxygen anode paste, preparation method thereof, battery anode and lithium ion battery
PendingCN109950485AIncrease gram capacityImprove the first effectCell electrodesSecondary cellsGramSilicon oxygen
The invention discloses a lithium ion battery silicon oxygen anode paste, a preparation method thereof, a battery anode and a lithium ion battery, and belongs to the technical field of lithium ion battery manufacture. The lithium ion battery silicon oxygen anode paste comprises deionized water and a solid material. The solid materials comprises, with 100 total parts by weight, 93 to 97 parts of silicon-oxygen anode active material, 1 to 2 parts of CMC, binder of 1.2 to 2.0 times the CMC, and 1 to 2 parts of conductive agent SP. The solid material of the anode paste uses the 93 to 97 parts silicon-oxygen anode active material instead of the conventional graphite and the like. The prepared silicon-based anode has a much higher gram capacity than that of the graphite anode. The gram capacityof the anode active material can be greatly adjusted by adjusting the silicon content. The lithium ion battery silicon oxygen anode paste has stable later cycle stability, and high first effect.
Owner:SVOLT ENERGY TECH (MAANSHAN) CO LTD
High-rotating-speed pulling motor
InactiveCN101552514AProtection lifeEffectively utilize high-speed operationMechanical energy handlingSupports/enclosures/casingsPinionLubrication
The present invention specifically relates to a high-rotating-speed pulling motor. The invention settles a problem that defects and deficiencies exist in the illogical structure of prior motor. The end cap of high-rotating-speed pulling motor is installed with a cylinder jacket protruding frontwards. A rotor shaft is placed I the cylinder jacket. A bearing is sleeved with a bearing inner cap. The front end surface of bearing is pressed with a bearing outer cover. The back side of bearing is installed with a pinion which is composed of a transmission teeth part and a shaft sleeve part. The cylinder jacket is provided with a transmission opening. The top of cylinder jacket is provided with an oil inlet through hole. The lower part of back end plane of bearing outer cover is provided with a groove. The bearing inner cover is provided with an oil hole which is communicated with the groove and the oil inlet through hole. The shaft sleeve part of pinion is fixed with an oil slinger. The back side of oil singer is provided with a back sealing ring. The back sealing ring is fixed with a protective cover and is provided with a plurality of radial annular sealing grooves. The lower part of annular sealing grooves is provided with an oil leakage channel. The base part of cylinder jacket is provided with a main oil return hole and an auxiliary oil return hole. The high-rotating-speed pulling motor of the invention not only realizes the oil lubrication of bearing, but also overcomes the problem of oil leakage. Simultaneously the service lifetime of bearing is guaranteed.
Owner:CRRC YONGJI ELECTRIC CO LTD
Microwave powered lamphead having external shutter
ActiveUS6933683B2Quicker cyclingEffectively cycleElectric lighting sourcesGas discharge lampsAirflowEngineering
Owner:NORDSON CORP
Pre-chamber arrangement
InactiveCN101960114AEfficient cycleQuick mixInternal combustion piston enginesFuel injection apparatusCombustion chamberOtto cycle
The invention relates to a pre-chamber arrangement for a cylinder (1) of an internal combustion engine fitted for premixed combustion (Otto cycle), the pre- chamber arrangement including a first chamber (7) for mixing and igniting of the fuel and a second chamber (8) of substantially smaller volume for communication between the first chamber (7) and the main combustion chamber (4) of the cylinder (1), the first chamber (7) being provided with pilot injection means (9) and having a chamber top substantially opposite to the second chamber (8). The first chamber (7) has substantially oval shape with curved walls between the chamber top and the second chamber (8). The second chamber (8) is asymmetrically positioned with regard to the first chamber (7) so as to provide a tumble flow motion (A) in the first chamber (7) for the gaseous fuel pressed from the main combustion chamber (4) and guided by curved wall of the first chamber (7) towards and past the fuel of pilot injection means (9) to be ignited.
Owner:WARTSILA FINLAND OY
Anti-haze screen window and preparing method thereof
ActiveCN107575151AImprove spinning efficiencyEfficient cycleInsect protectionFilament/thread formingParticulatesPolyethylene terephthalate glycol
The invention relates to an anti-haze screen window and a preparing method thereof. The anti-haze screen window is made of high polymer materials, titanium dioxide nanoparticles and screen window materials through an electrostatic spinning method. The high polymer materials are one or more of polyvinylidene fluoride, poly methyl methacrylate, thermoplastic polyurethane, polyacrylonitrile and polyethylene terephthalate. According to the anti-haze screen window, the spinning efficiency is high, nano-fiber membranes are uniform and are in close fitting with the screen window, holes are dense, ventilation and breathability are achieved, the screen window can be anti-haze, anti-dust, anti-pollen and anti-mosquito, PM2.5 particulate matters are be effectively blocked, the PM2.5 filtering efficiency reaches more than 99%, clean air effective circulation indoor and outdoor is maintained, and exhaust gas pollution of automobile tail gas is effectively solved. The preparing method of the anti-haze screen window is simple, raw materials are easy to obtain, the cost is low, and scale production is easy.
Owner:HEBEI NAINUO TECH CO LTD
Preparation method of multi-core type phosphate compound positive electrode material with core-shell structure for lithium ion battery
ActiveCN103887497AKinetic factors improved and enhancedHigh specific capacitySecondary cellsPositive electrodesPhosphatePhosphoric acid
The invention discloses a preparation method of a multi-core type phosphate compound positive electrode material with a core-shell structure for a lithium ion battery, and belongs to the technical field of lithium ion batteries. The preparation method is characterized in that the compound positive electrode material xLiVPO4F yLi3V2(PO4)3 (1-x-y)LiVOPO4 of the lithium ion battery is prepared by adopting a chemical reduction-solid phase sintering technology. The preparation method comprises the following steps: (1), blending raw materials; (2), adding a carbon source as a reducing agent, mechanically activating and then drying in a vacuum drying oven to obtain a compound precursor; (3), calcining the compound precursor obtained in the step (2) in a sintering furnace under a non-oxidation atmosphere at a temperature of 600-800 DEG C for 1-24 hours, naturally cooling to 300-700 DEG C, and sintering for 1-10 hours to obtain the multi-core type compound positive electrode material xLiVPO4F yLi3V2(PO4)3 (1-x-y)LiVOPO4 with the core-shell structure. According to the compound positive electrode material prepared by adopting the preparation method, components of cores, formed by a selfoxidation-reduction reaction, sequentially comprise LiVPO4F, Li3V2(PO4)3 and LiVOPO4 from inside to outside, and an outermost layer is of a carbon-coated microstructure. The multi-core type phosphate compound positive electrode material is special in structure components, excellent in electrochemical performance, multiple in charging and discharging platforms, easily controllable in charge state, and suitable for a power battery.
Owner:CENT SOUTH UNIV
Hydrogen circulating system and hydrogen circulating method
InactiveCN103752834AEfficient cycleReduce usageInductances/transformers/magnets manufactureGas cylinderProcess engineering
The invention provides a hydrogen circulating system and a hydrogen circulating method. The hydrogen circulating system comprises a hydrogen storage container (3), temperature regulating devices (32, 33, 34, 321, 331 and 341), a hydrogen storage container valve (36), and a pressure sensor (35), wherein the hydrogen storage container (3) is provided with a hydrogen storage alloy which absorbs hydrogen when a first condition is satisfied and releases hydrogen when a second condition is satisfied; the temperature regulating devices (32, 33, 34, 321, 331 and 341) are used for regulating the temperatures of the hydrogen storage alloy in the hydrogen storage container so that the temperature satisfies the first condition or the second condition; the hydrogen storage container valve (36) is used for communicating the interior of the hydrogen storage container with an external device or disconnecting the interior of the hydrogen storage container from the external device; the pressure sensor (35) is used for detecting the pressure in the hydrogen storage container and controlling the valve of the hydrogen storage container based on the detected pressure. The hydrogen circulating system and the hydrogen circulating method are capable of circulating hydrogen at high efficiency and reducing the usage amount of hydrogen, and the use of a large-capacity storage cylinder for storing hydrogen is avoided.
Owner:TIANJIN SANHUAN LUCKY NEW MATERIAL CO LTD +1
Method for operating a thermodynamic cycle, and thermodynamic cycle
ActiveCN102084093AEfficient cyclePrevent heat inputSteam engine plantsCombined combustion mitigationHeat transmissionEngineering
The invention relates to a thermodynamic cycle (1) with at least: - one first heat exchanger (W1) for creating a first heated or partially evaporated working medium flow (15) by heating or partially evaporating a liquid working medium flow (14) by heat transmission from an expanded working medium flow (12); - a second heat exchanger (W2) for creating a second at least partially evaporated working medium flow (18); - a separator (4) for separating a liquid phase (19) from a vaporous phase (10) of the second working medium flow (18); - an expansion device (2) for creating an expanded vaporous phase (10). According to the invention, pressure pulsations are prevented during the start-up of the cycle in that the vaporous phase (10) separated by the separator (4) is conducted past the expansion device (2) and the first heat exchanger (W1). The liquid phase (19) separated by the separator (4) is cooled in the first heat exchanger (W1) by heat transfer to the liquid working medium flow (14). After the first heat exchanger (W1), the cooled, separated, liquid phase and the separated vaporous phase (10) are brought together.
Owner:KALINA POWER LTD
Chinese traditional medicine composition for treating hydrocephalus, cerebral edema and intracranial hypertension
InactiveCN1634385ASignificant diuretic effectEnhanced diuretic effectUnknown materialsDrug compositionsAdemetionineRhizome
The invention relates to a Chinese traditional medicine composition for treating hydrocephalus, cerebral edema and intracranial hypertension which comprises fish encephalolith, raw astragalus root, oriental water plantain rhizome, Poria cocos, plantain seeds, notoginseng, root of red rooted saliva, sweetgum fruit, grassleaved sweetflag rhizome, evodia rutaecarpa, and achyranthes and cyathula root.
Owner:谢静
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