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1040results about How to "Wide operating temperature range" patented technology
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IC having TSV arrays with reduced TSV induced stress
ActiveUS20100171226A1Increase the areaEliminate needSemiconductor/solid-state device detailsSolid-state devicesMetal interconnectEngineering
An integrated circuit (IC) includes a substrate having a top side having active circuitry thereon including a plurality of metal interconnect levels including a first metal interconnect level and a top metal interconnect level, and a bottom side. At least one TSV array includes a plurality of TSVs. The TSVs are positioned in rows including a plurality of interior rows and a pair of exterior rows and a plurality of columns including a plurality of interior columns and a pair of exterior columns. At least a portion of the TSVs in the array are electrically connected TSVs that are coupled to a TSV terminating metal interconnect level selected from the plurality of metal interconnect levels. At least one of the exterior rows or exterior columns include a lower number of electrically connected TSVs compared to a maximum number of electrically connected TSVs in the interior rows and interior columns, respectively.
Owner:TEXAS INSTR INC
Barrier layer for thin film battery
InactiveUS20100190051A1Improve efficiencyExtend lifetime of battery packFinal product manufactureElectrode carriers/collectorsPhosphateChalcogenide glass
A thin film battery comprises a substrate, anode and cathode current collector layers formed over the substrate, anode and cathode layers formed over and in electrical contact with respective ones of the current collector layers, and an electrolyte layer formed between the anode and cathode layers. The thin film battery further comprises a barrier layer formed from a material such as tin oxide, tin phosphate, tin fluorophosphate, chalcogenide glass, tellurite glass or borate glass. The barrier layer is configured to encapsulate the thin film battery layers and substantially inhibit or prevent exposure of the thin film battery layers to air or moisture.
Owner:CORNING INC
Polymer gel electrolyte, secondary cell, and electrical double-layer capacitor
InactiveUS20020102464A1Large capacityWide operating temperature rangeNon-metal conductorsHybrid capacitor electrolytesPolymer capacitorCapacitance
A polymer gel electrolyte includes an electrolyte solution composed of a plasticizer with at least two carbonate structures on the molecule and an electrolyte salt, in combination with a matrix polymer. Secondary batteries made with the polymer gel electrolyte can operate at a high capacitance and a high current, have a broad service temperature range and a high level of safety, and are thus particularly well-suited for use in such applications as lithium secondary cells and lithium ion secondary cells. Electrical double-layer capacitors made with the polymer gel electrolyte have a high output voltage, a large output current, a broad service temperature range and excellent safety.
Owner:NISSHINBO IND INC
Integrated material transfer and dispensing system
ActiveUS20070090132A1Increase fluid velocityWide operating temperature rangeLiquid flow controllersLiquid transferring devicesStream flowMaterial transfer
An integrated material transfer and dispensing system for storing, transferring and dispensing materials, such as fluids, and liquids, for example, liquid applied sound deadener (LASD). The system includes at least one vessel having a force transfer device. Each vessel may be removably enclosed in cabinet to form an automated station. Each vessel may be configured with a data logger, cleanout port, a sample valve at least one sight window and an access port for introducing a compound such as a biocide. Each vessel may be configured with instruments including sensors for measuring process variables, such as material volume, level, temperature, pressure and flow. The system may further include a metering device system and a robotic material dispenser system without a pump interface. The robotic system may further include a computer control system connected to flow and pressure sensors. The system may directly feed an applicator without an intervening pump.
Owner:CH & I TECH INC
Lithium ion flow redox battery
InactiveCN102315473AScale upSolution to short lifeCell electrodesRegenerative fuel cellsHigh energyRedox
The invention provides a lithium ion flow redox battery, belonging to the technical field of lithium ion batteries. The lithium ion flow redox battery comprises a positive electrode suspension tank, a negative electrode suspension tank and a battery reactor, wherein the positive electrode suspension tank contains the mixture of positive electrode composite material particles and an electrolyte; the negative electrode suspension tank contains negative electrode composite material particles and an electrolyte; the battery reactor comprises a positive electrode current collector, a negative electrode current collector and one layer or a plurality of layers of microporous separators; the microporous separators separate the positive electrode current collector from the negative electrode current collector in an insulation mode so as to respectively form a positive electrode chamber and a negative electrode chamber; the positive electrode chamber is communicated with the positive electrode suspension tank through a seal pipeline; and the negative electrode chamber is communicated with the negative electrode suspension tank through a seal pipeline. Compared with a full vanadium flow redox battery, the lithium ion flow redox battery has the advantage of high energy density, the adoption of the environmentally-friendly and non-toxic electrolyte and low cost, and is applicable to large-scale energy storage of power grids.
Owner:BEIJING HAWAGA POWER STORAGE TECH +1
Fusion tray of thermal transmission and storage medium, and preparation method
InactiveCN101050355AHigh Safe Operating Temperature Upper LimitSafe operating temperature upper limit expandedHeat-exchange elementsHigh energyWorking temperature
This invention discloses a method for preparing molten salt heat-transfer and heat-storage medium, which comprises potassium nitrate, sodium nitrate, sodium nitrite and additives. The additives are cesium nitrate and potassium chloride at a weight ratio of (0.1-0.8):1. The molten salt heat-transfer and heat-storage medium has such advantages as good heat transfer property, wide working temperature range, high heat stability, high upper limit of safe usage temperature, low melting point, high phase-change latent heat, low requirement for system size and energy, and high energy utility.
Owner:SUN YAT SEN UNIV +1
Method and device for monitoring power transmission line
InactiveCN101614602AWide operating temperature rangeWork reliablyAcceleration measurementThermometers using physical/chemical changesEngineeringHandling system
The invention relates to monitoring technology of power transmission lines, in particular to technology for monitoring ice coating and waving states of the power transmission lines. The invention discloses a method and a device for monitoring the power transmission line by using fiber sensors in real time. The method for monitoring the power transmission line is characterized by comprising the following steps: arranging the fiber sensors along the power transmission line to detect characteristic parameters of different positions of a lead; and judging the state of the power transmission line according to the analysis of the characteristic parameters. The device for monitoring the power transmission line comprises the fiber sensors and a signal transmitting and processing system, and is characterized in that the fiber sensors are arranged along the length direction of the power transmission line and used for detecting and transmitting the characteristic parameters of the different positions of the power transmission line. The method and the device are used for monitoring the ice coating and waving states of the power transmission lines, can fully exert the advantages of the fiber sensors to carry out multi-parameter real-time on-line detection, and have the characteristics that the device has long service life and can work for long time reliably under on-site severe environment conditions.
Owner:SICHUAN HUIYUAN OPTICAL COMM CO LTD
Process for deeply treating and recycling high-salinity industrial waste water
InactiveCN102807296AExtended cleaning cycleExtended service lifeGeneral water supply conservationMultistage water/sewage treatmentIndustrial waste waterUltrafiltration
The invention discloses a process for deeply treating and recycling high-salinity industrial waste water, which belongs to the technical field of environmental protection and comprehsnive resource utilization. Combined equipment is adopted, and comprises ultrafiltration equipment, ion exchange softening equipment, volume-type reverse osmosis equipment, medium-pressure flat plate reverse osmosis equipment, high-pressure flat plate reverse osmosis equipment, ultrahigh-pressure flat plate reverse osmosis equipment, high-pressure flat plate filtration equipment, secondary reverse osmosis equipment and the like. After being treated with a combined process, industrial waste water can be concentrated by 36-180 times; in combination with evaporative crystallization equipment, zero discharge of industrial waste water can be realized, and salts in industrial waste water can be recovered; and after secondary reverse osmosis treatment, produced water can be recycled by 100 percent. The process has the advantages of flexible combined process, small floor area, saving in investment, high efficiency, low running cost, stable and reliable effect, and the like.
Owner:BEIJING NEWBIOLINK TECH DEV
Method and apparatus for combination catalyst for reduction of NOx in combustion products
ActiveUS20060286012A1Reducing and eliminating NOx compoundWide operating temperature rangeCombination devicesNitrogen compoundsCopperChemistry
A method and apparatus for catalytically processing a gas stream passing therethrough to reduce the presence of NOx therein, wherein the apparatus includes a first catalyst composed of a silver containing alumina that is adapted for catalytically processing the gas stream at a first temperature range, and a second catalyst composed of a copper containing zeolite located downstream from the first catalyst, wherein the second catalyst is adapted for catalytically processing the gas stream at a lower second temperature range relative to the first temperature range.
Owner:CATERPILLAR INC +1
TEC(thermoelectric cooler)-free uncooled infrared focal plane array reading circuit
ActiveCN110006538AImprove stabilityReduce noisePyrometry using electric radation detectorsAnalog front-endMirror image
The invention discloses a TEC(thermoelectric cooler)-free uncooled infrared focal plane array reading circuit, and relates to the technical field of uncooled infrared focal plane array. A reading circuit comprises a bias generation circuit, a column-level analog front-end circuit, and a row-level circuit; the row-level circuit comprises a row-level mirror image pixel, is controlled by a row selection switch,and can output a third bias voltage; the bias generation circuit is connected with the row-level circuit, the input end of the bias generation circuit is connected with the output end of the row-level circuit; a first bias voltage and a second bias voltage are generated and outputtedbased onan inputted constant voltage and a third bias voltage; the column-level analog front-end circuitcomprises a blind pixel; the column-level analog front-end circuit is electrically connected with the bias generation circuit, the input end of the column-level analog front-end circuit is connected with the output end of the bias generation circuit to obtain two currents, and the difference between the two currents generated is amplified in a transimpedance mode and outputted as a voltage. By adopting the technical scheme of theTEC(thermoelectric cooler)-free uncooled infrared focal plane array reading circuit, the circuit has a stable output point unaffected by the substrate temperature andthe self-heating effect, and the stability of the circuit is improved.
Owner:北京安酷智芯科技有限公司
IC having TSV arrays with reduced TSV induced stress
ActiveUS8097964B2Increase the areaWide operating temperature rangeSemiconductor/solid-state device detailsSolid-state devicesMetal interconnectInduced stress
An integrated circuit (IC) includes a substrate having a top side having active circuitry thereon including a plurality of metal interconnect levels including a first metal interconnect level and a top metal interconnect level, and a bottom side. At least one TSV array includes a plurality of TSVs. The TSVs are positioned in rows including a plurality of interior rows and a pair of exterior rows and a plurality of columns including a plurality of interior columns and a pair of exterior columns. At least a portion of the TSVs in the array are electrically connected TSVs that are coupled to a TSV terminating metal interconnect level selected from the plurality of metal interconnect levels. At least one of the exterior rows or exterior columns include a lower number of electrically connected TSVs compared to a maximum number of electrically connected TSVs in the interior rows and interior columns, respectively.
Owner:TEXAS INSTR INC
Ternary nitric acid nano-molten salt heat transfer and storage medium, preparation method and application thereof
InactiveCN103881662AOvercome solubilityOvercoming thermal conductivityHeat-exchange elementsMetal oxide nanoparticlesNanoparticles dispersion
Belonging to the technical field of heat storage and transfer, the invention provides a ternary nitric acid nano-molten salt heat transfer and storage medium, a preparation method and application thereof. The ternary nitric acid nano-molten salt heat transfer and storage medium contains a ternary nitric acid molten salt system formed by potassium nitrate, sodium nitrate and sodium nitrite. The ternary nitric acid nano-molten salt heat transfer and storage medium is characterized in that it also includes metal oxide nanoparticles and / or non-metal oxide nanoparticles. The nanoparticles are dispersed into the ternary nitric acid molten salt system to undergo compounding so as to form the ternary nitric acid nano-molten salt heat transfer and storage medium. The ternary nitric acid nano-molten salt involved in the invention has a low melting point, an upper limit use temperature up to 600DEG C, good thermal stability, and high heat conductivity, thus being very suitable for the heat storage and transfer system of industrial energy storage and solar-thermal power generation.
Owner:QINGHAI ENESOON NEW MATERIAL TECH & SCI CO LTD
Method for preparing molecular sieve-multielement oxide composite integrally extruded denitration catalyst
ActiveUS20190046962A1Wide operating temperature rangeImprove efficiencyGas treatmentMolecular sieve catalystsOrganic structureMolecular sieve
Disclosed is a preparation method for a molecular sieve-multiple oxide composite integral extrusion type denitration catalyst, belonging to the technical fields of atmosphere pollution control and environment-friendly catalytic materials. The preparation method comprises: constructing an organic structure coating on the surface of a metal ion-exchanged molecular sieves and synchronously adding multiple oxide components, thus obtaining an ion-exchanged molecular sieve-multiple oxide composite denitration catalyst active component; and then mixing, kneading into paste, staling, carrying out integral extrusion forming, drying, and calcining, thus obtaining the integral extrusion type denitration catalyst. The molecular sieve-multiple oxide composite integral extraction type denitration catalyst has a denitration efficiency more than 80% at the temperature ranging from 250° C. to 420° C. in the presence of 10% steam and 500 ppm sulfuric dioxide. According to the present invention, the application field of metal-loaded molecular sieve denitration catalysts is widened, and thus the metal-loaded molecular sieve denitration catalysts can be widely applied to the flue gas denitration of stationary sources.
Owner:VALIANT CO LTD
Polymer gel electrolyte, secondary cell, and electrical double-layer capacitor
InactiveUS20050231894A1Large capacityWide operating temperature rangeNon-metal conductorsHybrid capacitor electrolytesCapacitanceLithium
A polymer gel electrolyte includes an electrolyte solution composed of a plasticizer with at least two carbonate structures on the molecule and an electrolyte salt, in combination with a matrix polymer. Secondary batteries made with the polymer gel electrolyte can operate at a high capacitance and a high current, have a broad service temperature range and a high level of safety, and are thus particularly well-suited for use in such applications as lithium secondary cells and lithium ion secondary cells. Electrical double-layer capacitors made with the polymer gel electrolyte have a high output voltage, a large output current, a broad service temperature range and excellent safety.
Owner:NISSHINBO IND INC
Gravity inductive type axis-counting device and method for detecting state of tract district using same
InactiveCN101712329AThe test result is accurateImprove insulation performanceVehicle route interaction devicesInformation processingEngineering
The invention discloses a gravity inductive type axis-counting device and a method for detecting the state of a tract district thereof, relating to a railway transport management device and a management method thereof. The gravity inductive type axis-counting device comprises an axis detector, an axis-counting information processing system, an input-output subsystem and a power supply, wherein the axis detector is composed of a wheel electronic detector and a gravity inductive type sensor unit; the wheel electronic detector consists of an axis-counting CPU unit, a signal processing unit, a sensor power unit and a state detecting unit; the axis-counting information processing unit comprises a CPU unit, a communication unit, and an I / O unit; and the input-output subsystem consists of a dynamic drive assembly unit, a relay and a button. In the method, a wheel signal is detected by a gravity inductive type sensor arranged on a rail, and is transmitted to the wheel electronic detector and the axis-counting information processing unit for processing, thus judging the state of the tract district. The invention has the advantages of accurate detection result, high reliability, scientific method and capability of realizing automatic judgment on the idle and occupied states of the tract district.
Owner:中国铁路南宁局集团有限公司 +1
Metal organic frame/conductive polymer composite material and preparation and application thereof
ActiveCN108335919AIncrease capacityIncrease capacitanceHybrid capacitor electrodesHybrid/EDL manufactureCapacitanceConductive polymer composite
The invention belongs to the technical field of flexible energy storage devices, and particularly relates to a metal organic frame / conductive polymer composite material, a preparation method thereof and application in knittable, flexible and fibroid supercapacitors. Carbon fiber bundles are adopted as an electrode substrate, the electro-deposition metal organic frame / conductive polymer composite material is adopted as an electrode active material, polyvinyl alcohol-electrolyte gel is adopted as solid electrolyte and a membrane, and the prepared fibroid supercapacitor has the excellent capacitive performance, good mechanical flexibility, wide working temperature range and stable long-term service life, capable of being directly knitted and integrated into textile easily, and capable of providing an efficient energy storage system for wearable mobile equipment.
Owner:HUAZHONG UNIV OF SCI & TECH
Wireless sensor network device for measuring car throughput based on high magnetic resistance and magnetic sensitive technology and its realizing method
InactiveCN101241646AHigh detection sensitivityLarge magnetic field measurement rangeRoad vehicles traffic controlHysteresisRadio frequency
The invention provides a device which relates to road vehicle information measuring field. Said device comprises a GMR sensor, a filter denoising unit, a differential amplification unit, a DC bias unit, a second-level amplification unit, a blocking filter unit, a hysteresis comparison unit, a dynamic adjustment unit, a control unit and a RF unit. Said realization method is: a bias magnetic field is set beside the GMR sensor, the sensor output changes when a car passing by the magnetic field; the device judges the passed car through the changes by using the sensor, and transmits the measured vehicle flowrate into base station through RF and controls or saves. The device has broad prospect in road vehicle measuring, park management, road crossing management etc.
Owner:JIAXING WIRELESS SENSOR NETWORKS CENT CAS
Super-capacitor-based DC voltage sag suppression device and suppression method thereof
InactiveCN102185329AReduce lossLarge output instantaneous powerAc network load balancingCapacitanceElectricity
The invention discloses a super-capacitor-based DC voltage sag suppression device and a super-capacitor-based DC voltage sag suppression method thereof, which belong to the technical field of power equipment. The device consists of a super capacitor array (CS), a Buck / Boost type bidirectional power conversion circuit and a contactor (KD). When a voltage sag suppressor is powered on and run, the super capacitor array (CS) is charged by the Buck / Boost type bidirectional power conversion circuit; and when a DC bus has voltage sag due to a failure of an AC system, the super capacitor array (CS) provides energy to realize boosting by the Buck-Boost type bidirectional power conversion circuit to support the voltage of the DC bus. The invention has the characteristics of simple structure, high reliability, low loss, long service life, no maintenance, no environmental pollutions and the like.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Gas pendulum inertial sensor
InactiveUS7730781B2Accurate measurementImprove abilitiesAcceleration measurement using interia forcesSpeed measurement using gyroscopic effectsResistSignal processing circuits
Owner:BEIJING WALKANG SCI & TECH
Heat pipe composite air conditioning unit for machine room and working mode of heat pipe composite air conditioning unit
InactiveCN102538101AWide operating temperature rangeCompact structureSpace heating and ventilation safety systemsLighting and heating apparatusEngineeringElectromagnetic valve
The invention discloses a heat pipe composite air conditioning unit for a machine room and a working mode of the heat pipe composite air conditioning unit. The heat pipe composite air conditioning unit is characterized in that a cold source system in the air conditioning unit is a heat pipe and compression refrigeration circulating composite system consisting of a compressor unit, an indoor heat exchanger and the like, and the compressor unit consists of a multi-channel outdoor heat exchanger and a plurality of compressors. Three different working modes including running refrigeration circulation, heat pipe and auxiliary refrigeration composite circulation and heat pipe circulation respectively run by means of controlling an electromagnetic valve to switch executed circulation paths, and utilization of cold source of outdoor low-temperature air is maximized in most seasons around the year. The heat pipe composite air conditioning unit is applicable to refrigeration needs of machine rooms, substations and the like on all-weather air conditioning, running temperature zones of heat pipes are wide, and the heat pipe composite air conditioning unit is compact in structure and high in reliability, and is energy-saving and environment-friendly.
Owner:HEFEI UNIV OF TECH
Pressure sensor debugging system and debugging method thereof
ActiveCN103048087AWide operating temperature rangeFluid pressure measurementForce/torque/work measurement apparatus calibration/testingComputer moduleWorking temperature
The invention provides a pressure sensor debugging system and a debugging method thereof. The pressure sensor debugging system comprises a multipath sensor testing pressure seat, a high-low temperature chamber, a pressure controller, a multipath signal switching module, a programmable power supply, a high-precision multimeter, a uniline digital conversion module and an industrial personal computer. The system can realize high-precision pressure calibration and temperature compensation; the work temperature range of the compensated product is wide; the whole debugging process is finished by the system automatically; and the system is suitable for the pressure sensor in volume production to debug.
Owner:SHENZHEN MAXONIC AUTOMATION CONTROL CO LTD
Novel ultra wide angle lens
The invention discloses a novel ultra wide angle lens. The novel ultra wide angle lens comprises a lens shell. Pieces of optical glass sequentially arranged from the object space to the image space inside the lens shell include a first lens, a second lens, a third lens, a fourth lens, a diaphragm component, a fifth lens, a sixth lens, a seventh lens and an eighth lens, wherein the first lens is a strawhat-type lens with the negative focal power, the second lens is a biconcave lens or a plane concave lens with the negative focal power, the third lens is a falcate lens or a biconvex lens with the positive focal power, the fourth lens is a falcate lens or a biconvex lens with the positive focal power, the fifth lens is a falcate lens or a biconvex lens with the positive focal power, the sixth lens is a biconvex lens with the positive focal power, the seventh lens is a falcate lens with the negative focal power, the eighth lens is a biconvex lens with the positive focal power, and the eighth lens is connected with a color filter. The visible light wave band and the near-infrared wave band guided in by the lens are focused in the same focal plane, so that the novel ultra wide angle lens can conduct clear imaging in the day and night modes.
Owner:舜宇光学(中山)有限公司
Molten nano-carbonate heat transfer and accumulation medium, and preparation method and application thereof
ActiveCN103923619AHigh safe use upper limit temperatureReduce volume shrinkage ratioHeat-exchange elementsHeat stabilityNanoparticles dispersion
The invention provides a molten nano-carbonate heat transfer and accumulation medium, and a preparation method and an application thereof, and belongs to the technical field of heat storage and transmission. The molten nano-carbonate heat transfer and accumulation medium contains a molten carbonate system formed by potassium carbonate, sodium carbonate, lithium carbonate and sodium chloride, nanoparticles are added into the molten carbonate system, and the nanoparticles are metal oxide and / or nonmetal oxide; and the nanoparticles are dispersed into the molten carbonate system, and the molten nano-carbonate heat transfer and accumulation medium is formed through compounding. The melting point of molten nano-carbonate is low, so the molten nano-carbonate heat transfer and accumulation medium has an upper limit use temperature of 800DEG C, has a good heat stability and a high heat conductivity, and is very suitable for the heat accumulation and transfer systems of industrial energy accumulation and solar photo-thermal power generation.
Owner:QINGHAI ENESOON NEW MATERIAL TECH & SCI CO LTD
Nanometer molten binary nitrate heat-transfer heat-storage medium and preparation method thereof
ActiveCN103911121AImprove thermal conductivityImprove thermal stabilityFrom solar energySolar heat devicesMolten saltHeat stability
The invention relates to a nanometer molten binary nitrate heat-transfer heat-storage medium and a preparation method thereof and belongs to the field of solar photo-thermal electricity generation. The nanometer molten binary nitrate heat-transfer heat-storage medium is characterized in that nano-particles are dispersed in a KNO3-NaNO3 and KNO3-NaNO2 solid-liquid phase-change molten binary nitrate system at a high temperature so that the nanometer molten binary nitrate heat-transfer heat-storage medium is compounded, and the nano-particles comprise SiO2, ZnO, Al2O3, TiO2, CaO and / or MgO nanoparticles. The nanometer molten binary nitrate heat-transfer heat-storage medium solves the problem that the existing nanometer molten binary nitrate system has a low heat conductivity coefficient, poor heat stability and a narrow use temperature scope and can be widely used in the technical field of solar photo-thermal electricity generation.
Owner:QINGHAI ENESOON NEW MATERIAL TECH & SCI CO LTD
Refillable material transfer system
InactiveUS20050232072A1Increase fluid velocityWide operating temperature rangeMixer accessoriesLiquid transferring devicesAdhesiveTransducer
A material transfer system for storing, transferring and dispensing viscous material, such as fluids and liquids, includes a material containment vessel with an upper region incorporating a motive force and a bottom region with a material ingress and egress opening. A diconical or other shaped force transfer device is located in the material containment area. The force transfer device is an energy transducer when the material containment is filled with highly viscous materials, such as adhesives, sealants, mastics or lubricating greases. The force transfer device serves as an integral part of a level indicator for both viscous fluids and lower viscosity liquids. The viscous material itself forms a seal between the interface region of the force transfer device and the inside wall of the fluid vessel. Vertical stabilizing elements may extend outward from the force transfer device.
Owner:CH & I TECH INC
Method for producing solid sheet type electrolytic capacitor
InactiveCN1649053AGood high frequency characteristicsLower equivalent series resistanceSolid electrolytic capacitorsCapacitor electrodesEpoxyAlloy
A manufacturing method for a solid plate electrolytic capacitor is to weld a strip Al foil to a stainless steel technical bar, the Al foil is coated with silicon resin or F resin to be divided into cathode and anode. The cathode part is immersed into a solution containing oxalamine and ammonium biphosphate plus 6-35v voltage, then again immersed in KMno4 solution to be dipped in a solution with Py and sulfosalt to form a pre-conductive layer on its surface as the anode, a stainless steel as the cathode to carry out constant current electrolyte in a mixed solution with Py and sulfosalt. The Al foil cathode is immersed in a solution containing oxalamine, ammonium biphosphate and sulfosalt plus 5-25v voltage to be coated with graphite and Ag to get single chip cores to be laminated, the anode is welded at that of an alloy lead frame, the cathode to the cathode to form a capacitor core to be molded and packaged with epoxy resin.
Owner:XI AN JIAOTONG UNIV
Polymer gel electrolyte and secondary cell
InactiveUS6949317B2Large capacityWide operating temperature rangeElectrolytic capacitorsElectrolye immobilisationCapacitanceLithium
Owner:NISSHINBO IND INC
A DC power supply system for substation and its control method
InactiveCN102270878AImprove charge and discharge efficiencyIncrease charge and discharge rateBatteries circuit arrangementsElectric powerArea networkElectrical battery
The invention provides a direct current power supply system for a transformer substation and a control method thereof. The direct current power supply system comprises a centralized monitoring module, a direct current operation power module, an uninterruptible power supply (UPS) power module, an inversion power supply module, a communication power supply module and a lithium iron phosphate energy storage module; each module of the direct current power supply system is connected to a common direct current bus through a relay switch, and redundancy backup of each module is realized in a mode that each module is connected in parallel to the common direct current bus through a multi-submodule; the modules of the direct current power supply system are connected with the centralized monitoring module through a controller area network (CAN) communication bus; the centralized monitoring module collects the running state information of each module and manages the modules of the system uniformly; and a battery is charged or discharged slightly through intelligent coordination control, and on-line automatic maintenance of the battery is realized. The invention has the advantages that: the system has high reliability, high shock load resistance, no maintenance, small floor area, energy conservation and environmental friendliness; and the service life of the battery is prolonged and the performance of the battery is improved by the intelligent coordination control method.
Owner:南瑞(武汉)电气设备与工程能效测评中
Preparation of high-temperature floamed ceramic
InactiveCN101323538AWide operating temperature rangeGuaranteed chemical stabilityCeramicwarePorosityContinuous use
The invention provides a preparation method of a high temperature foam ceramics, which is characterized in that: zirconium diboride-aluminum oxide composite ceramic powder is prepared into ceramic slurry, polyurethane foaming plastic with certain bore diameter and porosity is soaked into the ceramic slurry so that the ceramic slurry evenly adheres to the surface of the pores of the polyurethane foaming plastic to form a ceramic slurry layer, which are then prepared into a polyurethane foaming plastic ceramic blank, and then are subjected to drying, degreasing and sintering, and the high temperature foam ceramics is prepared. The invention adjusts the high temperature resisting performance of the high temperature foam ceramics prepared by adjusting the ratio of zirconium diboride and aluminum oxide, therefore, the high temperature foam ceramics can resist high temperature and greatly expand working temperature scope; the high temperature foam ceramics prepared by the method can resist high temperature and keep chemical stability under high temperature condition; therefore, in high temperature working environment, the high temperature foam ceramics can be used repeatedly or continuously for the performances of thermal-shock resistance, oxidation resistance, molten steel erosion resistance, and the like, when being used in the filtration of molten steel, showing good performance.
Owner:SHANDONG UNIV OF TECH
Titanium alloy fine casting melting method
InactiveCN101143381AWide operating temperature rangeSmall operating temperature rangeFoundry mouldsFoundry coresWaxInvestment casting
The invention relates to a method of processing titanium alloy. The method of casting and melting the titanium alloy is: after wax pattern is made, a shell is made; and then processes of de-waxing, roasting, pouring and post-processing are practiced. Wherein, the process of roasting adopts fireproof silica solution coating to make the shell. Refractory fillers are yttrium oxide of 95 per cent and zirconia mixture powder of 5 per cent. The shell is made up of 6 layers and a half to 8 layers and a half. The process of melting begins when vacuum of the melting and the pouring reach 6.65 to 0.665 Pa. When the temperature of titanium reaches the required temperature, a centrifugal rotary table is started and rotational speed is adjusted to reach all values. The whole pouring process is completed within 3 to 5 minutes. After a casting is cooled in a furnace until the temperature of the casting is below 400 DEG C, a precise casting of titanium alloy is manufactured. The titanium alloy manufactured by the invention has a wider operation temperature range, the low temperature of which is 253 DEG C below zero and the high temperature of which is 550 DEG C. The titanium ally manufactured by the invention has low density, light weight, high strength, good resistance to decay and stable property, which can be used in different medium such as nitric acid and manganic acid.
Owner:DALIAN JINMEI VALVE
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