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Rapidly charged flexible lithium ion battery and preparation method of electrodes of rapidly charged flexible lithium ion battery
InactiveCN103682368AReduce electrode massImproved magnification performanceElectrode carriers/collectorsSecondary cellsElectrical batteryGraphene foam
The invention discloses a rapidly charged flexible lithium ion battery and a preparation method of electrodes of the rapidly charged flexible lithium ion battery, belonging to the technical field of lithium ion batteries. The electrodes of the lithium ion battery are integrally designed by a current collector and active substances. An ultralight and flexible three-dimensional graphene communicating network structure (short for graphene foams) is used as a current collector, the active substances are embedded on the surface of the three-dimensional graphene foams, the integrated active substances and the current collector can be obtained through hydrothermal, pulp filling and impregnation processes, and the content of the active substances can be regulated as required. The electrodes of the battery are not required for a metal current collector, a binder and a conductive agent, the ultrahigh conductivity and porous structure of the three-dimensional graphene network provide rapid diffusion channels for lithium ions and electrons. The lithium ion battery consisting of a positive electrode and a negative electrode can be rapidly charged, is bendable and has no capacity loss. The method disclosed by the invention is low in product production cost, ultralight and ultrathin, and capable of realizing large-batch production, and has high practical application values.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI
Automatic holographic management system integrating detection of electric energy meter and warehousing management
ActiveCN101539617ARealize automatic feeding processAchieve contactRadiation pyrometryElectrical measurementsTemperature monitoringEngineering
The invention discloses an automatic holographic management system integrating detection of an electric energy meter and warehousing management, comprising an automatic pipelining standard device for detection of the electric energy meter, an unboxing machine, a boxing machine and a three-dimensional table library; wherein the three-dimensional table library is respectively connected with the boxing machine and the unboxing machine; and the boxing machine and the unboxing machine are respectively connected with the automatic pipelining standard device for detection of the electric energy meter by a conveying belt. The system changes large amount of repeated and mechanical manual modes in the whole process of the operation of the electric energy meter, and has the automatic functions of automatic delivery from the warehouse, automatic distribution, automatic feeding, automatic positioning, automatic wire connection, automatic image recognition, automatic temperature monitoring, automatic wire disconnection, automatic discharging, automatic boxing, automatic disc packing and automatic warehouse entry.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD SHAOXING POWER SUPPLY CO +1
Super-size and high-density lithium cobalt oxide and method for preparing the same
ActiveCN101284681ALarge particle sizeHigh tap densityCell electrodesLithium compoundsHigh densityThermal impact
The invention relates to a high-density lithium cobalt oxide power material with a super-large grain diameter. The method comprises the steps of mixing a cobalt compound, a lithium compound or meanwhile a small amount of doping element compounds; sintering for 3 to 30 hours at the high temperature of 950 to 1,100 DEG C to form a block sintered product; crushing and grading the product to obtain the lithium cobalt oxide power material (molecular formula is LiaCo1-bMbO2), wherein, when b is not equal to 0, the middle diameter of the lithium cobalt oxide containing the doping elements is larger than or equal to 15 Mum, and the tap density is higher than or equal to 2.5g / cm<3>; when b is equal to 0, the middle diameter of the lithium cobalt oxide without the doping elements is larger than 20 Mum, and the tap density is higher than or equal to 2.6g / cm<3>. the 3.6V platform capacity rate of the material as the anode active substance for a lithium battery is higher than or equal to 75%; in the thermal impact test in a 150 DEG C thermotank, the lithium battery with the material is free from leakage and does not catch fire or explode for 60 minutes; the 1C5A specific capacity of the material in the battery is larger than or equal to 135mAh / g.
Owner:BEIJING EASPRING MATERIAL TECH CO LTD
Automatic assembly line standard apparatus for electric energy meter calibration
ActiveCN101464504ARealize automatic feeding processAchieve contactElectrical measurementsProduction lineElectrical connection
The invention discloses an automatic production line standard device detected by an electric energy meter, which comprises a loading platform, a feeding loop line belt and an electric energy meter automatic standard device. The loading platform is connected with the feeding loop line belt; a material taking manipulator and a bar code reader are mounted on the feeding loop line belt; the feeding loop line belt is connected with the electric energy meter automatic standard device; the electric energy meter automatic standard device is simultaneously connected with a blanking conveying loop line belt; a loading manipulator and another bar code reader are mounted on the blanking conveying loop line belt; the loading manipulator is connected with an electric energy meter feeding box; an unqualified product outlet is formed on the blanking conveying loop line belt; the working process of the whole production line in the whole device is controlled by a computer program through a production line control cabinet; and the calibration / detection of the electric energy meter is controlled by a computer calibrating procedure through a calibrating control cabinet. The invention has the advantages of completely improving the calibrating / detecting work efficiency, reducing the labor intensity, improving the work quality, achieving the reliability and the safety of electrical connection, etc.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD SHAOXING POWER SUPPLY CO +1
Conductive pressure sensitive textile
InactiveCN1430765AAvoid edge effectsImprove discriminationContact surface shape/structureGarmentsElectrical conductorThin line
A fabric including within its construction a first elongated electrical conductor crossed by a second elongated electrical conductor, the conductors being normally biased apart at a crossover point of said fibres with an air gap between them, whereby application of pressure in a direction substantially normal to a plane of the fabric causes the conductors to make contact. The fabric may be woven, knitted, non-woven or plaited. The fabric can be used as a pressure sensor, switch or other sensor.
Owner:INTELLIGENT TEXTILES
Wearable electrocardiographic measurement device
InactiveUS20180020937A1Achieve contactInterference minimizationElectroencephalographyElectrocardiographyMeasurement deviceWearable eeg
The present invention discloses wearable electrocardiographic measurement device which includes a first electrode and a second electrode, wherein the first electrode is mounted on a user's body via a wearable structure, and the second electrode is implemented to contact the user's upper limb, neck or shoulder, so as to achieve a loop for acquiring electrocardiographic signals.
Owner:CHOU CHANG AN
Method for preparing spinel-type complex oxide through co-precipitation, homogenization and spray drying
ActiveCN105417570AGuaranteed uniformityImprove purityZinc oxides/hydroxidesGallium/indium/thallium compoundsMetal nitrateNitrate
The invention belongs to the field of chemical engineering and relates to a preparation method of a spinel type material, in particular to a method for preparing a spinel-type complex oxide through co-precipitation, homogenization and spray drying. According to the method, a mixed solution of two metallic nitrates and an alkaline solution are combined and added to a precipitation tank for a reaction, an obtained material is washed by deionized water, filtered, subjected to beating and refined by a homogenizer and then is sent to a spray drying machine, the dried material is subjected to calcination, and the spinel-type complex oxide powder is obtained. The method has the advantages of low calcination temperature, short time and low energy consumption, and a product has low loss, high purity and small particle size.
Owner:SOUTHWEST RES & DESIGN INST OF CHEM IND
Mountainous region sponge urban three-section rainwater collection, purification and utilization system
InactiveCN106869238AExtensive collectionImprove purification effectFatty/oily/floating substances removal devicesSewerage structuresCollection systemWater storage tank
The invention discloses a mountainous region sponge urban three-section rainwater collection, purification and utilization system which comprises a rainwater collection system, a rainwater purification system and a rainwater utilization system. The rainwater collection system comprises a plurality of afforesting grooves formed from the mountaintop to the mountainside in sequence, a plurality of sand settling ponds and a plurality of water collection tanks; the rainwater purification system is formed by arranging a plurality of primary purification grooves and a plurality of secondary purification grooves in a ladder shape along a mountain body downwards, and the primary purification grooves are provided with an anti-scouring layer, a soil layer, a coarse sand layer and a purification layer from top to bottom in sequence; the secondary purification grooves are provided with a soil layer and a filter layer from top to bottom in sequence; the rainwater utilization system comprises an upper landscape pond and a lower water storage tank, and a concrete partition plate is arranged between the landscape pond and the water storage tank. The mountain body environment can be afforested and beautified, the good landscape effect is achieved, pollutants in rainwater can be absorbed so as to purify water, and the system is particularly suitable for building a mountainous region sponge city with water resource shortage.
Owner:SICHUAN UNIV
Dynamic link prediction depth model based on multiple view and application
ActiveCN110263280AAchieve contactRealize the congestion situationDetection of traffic movementWebsite content managementScientific collaboration networkTime information
The invention discloses a dynamic link prediction depth model based on multiple views and an application, and the dynamic link prediction depth model comprises a pooling module which is used for classifying and aggregating nodes with similar features and attributes in an initial network into new nodes to form a new network, and achieving the dimension reduction of the initial network; the input of the GCN-attention module is connected with the output of the pooling module, and a GCN-attention module, used for carrying out feature extraction on the input network by adopting an attention mechanism to obtain a node representation vector with spatial information and time information at the same time; a depooling module, and the input of the depooling module being connected with the output of the GCN-attention module, used for depooling the input node representation vector and outputting a dynamic link probability prediction matrix. The model can realize link prediction of the dynamic network. The model is mainly applied to prediction of dynamic links in a social network, a communication network, a traffic network, a scientific cooperation network or a social security network.
Owner:ZHEJIANG UNIV OF TECH
Heteromorphic high-rate polymer lithium ion battery
ActiveCN101847755AAchieve contactImprove the uniformity of current density distributionFinal product manufactureCell component detailsHigh ratePlastic packaging
The invention mainly discloses a heteromorphic high-rate polymer lithium ion battery piece, which comprises a fully heteromorphic positive film, a fully heteromorphic negative film and a ceramic diaphragm. The heterotype is a quadrangle, and one edge is an arc; two adjacent edges of the arc are parallel with each other; a fourth edge is vertical to the two parallel edges; and ears of an anode anda cathode are positioned on the fourth edge. At least one battery piece is subjected to heat sealing by an aluminum plastic packaging film which is compounded by multiple layers of composite materials to form batteries; and the batteries are overlapped and assembled in a series-parallel connection mode to form a battery pack. An effective implementation space of the batteries which are prepared from the heteromorphic battery piece is used fully in a cylindrical battery carrier cavity; and the current density in the battery piece is uniform, and the arc edge of the heteromorphic battery pack is consistent with a curve of the carrier to realize the contact of heat conduction surfaces, so that the heat dissipation efficiency is effectively improved when a large current is discharged.
Owner:厦门太和动力电源科技有限公司
Intelligent metal pipe bender
The invention discloses an intelligent metal pipe bender. The intelligent metal pipe bender comprises a bottom plate, supporting posts, a top plate, a lifting device, a first connection plate, a firstsupport, a pressing wheel, an assembly base, assembly blocks, a threaded rod, threaded sleeves, supporting rods and bearing wheels; supporting leg plates are vertically arranged on the left and rightsides of the lower end of the bottom plate; central parts of opposite side surfaces of the two supporting leg plates are provided with first hinge bases; the first hinge bases are connected with theupper ends of first connection rods; second hinge bases are arranged on the lower ends of sliding bases; the second hinge bases are connected to the upper ends of second connection rods; and the lowerends of the first connection rods and the second connection rods are all arranged on third hinge bases. By adopting the intelligent metal pipe bender, a metal pipe can be placed on the upper ends ofthe two bearing wheels; the pressing wheel is driven to press downwards by the lifting device, so that bending operation for the metal pipe is realized; the application range is wide; and besides, rollers can be in contact with the ground, so that moving of the bottom plate is realized.
Owner:NANJING CHINA UNIV INTPROP CO LTD
Gas-liquid distributor used for wood tar fluidized bed reactor
ActiveCN104923131AJumping up and down violentlyAvoid seal failureChemical/physical processesFluidized bedTar
The invention discloses a gas-liquid distributor used for a wood tar fluidized bed reactor, the gas-liquid distributor is mainly composed of a center pipe, a bubble cap, a non-return ball, a taper ball seat and a limit seat; the bubble cap is a cylindrical matter with a bottom opening, covers the upper end of the center pipe, and is fixedly connected with the center pipe, a material outlet is arranged on the pipe wall of the upper end part of the center pipe, the limit seat is arranged in the center pipe below the material outlet, the taper ball seat is arranged on the pipe wall of the center pipe located below the limit seat, the non-return ball is arranged on the taper ball seat; the bubble cap, the center pipe, the limit seat, the non-return ball and the taper ball seat are coaxially arranged, an annular channel is formed between the bubble cap and the center pipe, and the lower end of the center pipe is provided with a material inlet. The gas-liquid distributor can not only guarantee a gas is broken into continuous micro bubbles in a liquid, and can effectively solve or ease countercurrent congestion problem of a catalyst-carrying material when gas and liquid pressure is instable or gas and liquid material feed is suddenly interrupted, at the same time, an internal flow dead zone in the distributor is reduced, and the pressure drop is smaller.
Owner:LUOYANG PETROCHEMICAL ENG CORP SINOPEC +1
New energy automobile charging pile device
InactiveCN106965691ARealize automatic retractable workReduce manual collectionCharging stationsElectric vehicle charging technologyNew energyEngineering
Owner:湖南远成能源科技股份有限公司
Manufacturing method of quantum point contact
InactiveCN102543731AEasy to prepareHigh control precisionSemiconductor/solid-state device manufacturingSemiconductor devicesIonQuantum point contact
The invention discloses a manufacturing method of a quantum point contact. The method is based on a 'sandwich' structure unit composed of an electrode one, a middle layer and an electrode two, wherein the electrode one and the electrode two are respectively composed of conducting materials, and the middle layer is composed of insulating dielectric materials; the electrode one forms a conducting region one, and the electrode two forms a conducting region two; by applying voltage at two ends of the electrode one and the electrode two, the charged ions and / or the vacancy in the conducting region two are moved towards the electrode one so as to form a conducting channel, and by controlling the size of the applied voltage, the conductivity G of the conducting channel is regulated to be integral times of quantized conductivity G0, namely, the quantum point contact between the conducting region one and the conducting region two is realized. In comparison with the prior art, the manufacturing method of the invention is simple, easy to control and high in control accuracy, and can manufacture the quantum point contact of different material systems by selecting the electrodes and the middle layer composed of different materials, thus, the manufacturing method has better application potential.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Hexagonal honeycomb, preparation method and application thereof
ActiveCN105835484AOvercoming contact problemsAchieve contactSynthetic resin layered productsLaminationProduction lineSurface layer
The invention discloses a hexagonal honeycomb, a preparation method and application thereof. The hexagonal honeycomb includes a plurality of hexagonal honeycomb units and plastic films arranged on the upper surfaces and lower surfaces of the honeycomb units, each honeycomb unit has six side walls, two sides walls in the vertical direction between the honeycomb units are not connected, and the remaining four side walls are the common side walls of two neighboring units. According to the hexagonal honeycomb, the plastic films are fused on the upper surface and the lower surface of the hexagon, the upper surface and the lower surface of the hexagon are all sealed, thus overcoming the problem of line contact between a round tube honeycomb surface layer (various sheets) and a honeycomb core layer, realizing surface contact and greatly improving the strength. Two side walls in the vertical direction between the honeycomb units are not connected, certain gap can exist, thus endowing a honeycomb plate with better sound and heat insulation benefits. The method provided by the invention can realize automatic continuous production, and compared with traditional honeycomb production lines, the production efficiency can be increased by 8-10 times. The honeycomb does not contain any glue or other harmful solvents, and can realize 100% recovery.
Owner:GUANGZHOU KINGFA CARBON FIBER NEW MATERIALS DEV
Nickel-cobalt-lithium manganese positive electrode material with boron-lithium composite oxide clad on surface, and preparation method thereof
InactiveCN104332618AGood chemical stabilityImprove cycle performanceCell electrodesSecondary cellsEvaporationManganese
The invention relates to a nickel-cobalt-lithium manganese positive electrode material with a boron-lithium composite oxide clad on the surface. According to the invention, a layer of boron-lithium composite oxide is clad on the surface of a nickel-cobalt-lithium manganese positive electrode material. The preparation method of the material comprises the steps that: in a mixed alcohol solution of a lithium source and a boron source, prepared nickel-cobalt-lithium manganese is added and is uniformly dispersed in the solution through ultrasonic treatment; a dispersing agent is added, such that the material is sufficiently soaked in the solution; a solvent is removed by evaporation, and a heat treatment is carried out, such that LiNixCo1-x-yMnyO2 with alpha- Li4B2O5 clad on the surface is obtained. According to the invention, horizontal contact of the cladding material and positive electrode material molecules is realized, and clad layer thickness is uniform. Also, the boron-lithium composite oxide is clad on the surface of the positive electrode material, such that lithium ion diffusion coefficient is improved, and material ionic conductivity is enhanced. Also, direct contact of an electrolyte and the positive electrode material is effectively avoided, such that electrode side reaction is avoided, and positive electrode material chemical stability and circulation performance can be improved.
Owner:QINGDAO QIANYUN HIGH TECH NEW MATERIAL
Container-based protocol analysis method, device and system and storage medium
PendingCN111427664AAchieve effectivenessAchieve efficiencyResource allocationSoftware simulation/interpretation/emulationComputer hardwareIndustrial Internet
The invention provides a protocol analysis method, device and system based on a container and a storage medium. The method comprises the steps that edge equipment determines a required target protocolanalysis program; sending a mirror image downloading request to the cloud equipment, wherein the mirror image downloading request comprises an identifier of the protocol analysis program requested tobe downloaded; the cloud equipment receives a mirror image downloading request sent by the edge equipment; determining a matched target protocol analysis program in a protocol analysis mirror image library according to the identifier; and sending the target protocol analysis program to the edge device. And the edge device receives a target protocol analysis program matched with the identifier andsent by the cloud device. According to the technical scheme, the relationship between the cloud equipment and the edge equipment decoupling protocol analysis program is realized, so that the effectiveness and high efficiency of massive heterogeneous data collection in the industrial Internet of Things environment are realized, the edge equipment can be more flexibly set to adapt to different industrial Internet of Things environments, and the practicability is wider.
Owner:HANGZHOU DIANZI UNIV
LiNixCo1-x-yMnyO2 cathode material coated with boron-lithium composite oxide and preparation method thereof
InactiveCN104362330ALess side effectsImprove chemical stabilityCell electrodesSecondary cellsSolventMolecular level
A LiNixCo1-x-yMnyO2 cathode material coated with boron-lithium composite oxide is a LiNixCo1-x-yMnyO2 cathode material with its surface coated with a layer of boron-lithium composite oxide. A preparation method of the material comprises the following steps: adding prepared LiNixCo1-x-yMnyO2 into a mixed alcoholic solution of a lithium source and a boron source, uniformly dispersing LiNixCo1-x-yMnyO2 in the solution by ultrasonic treatment, adding a dispersant, fully immersing the material in the solution, evaporating a solvent and carrying out heat treatment so as to obtain alpha-Li4B2O5-coated LiNixCo1-x-yMnyO2. Contact between a coating and the cathode material at the molecular level is realized, and thickness of the coating layer is uniform. In addition, by coating the surface of the cathode material with the boron-lithium composite oxide, diffusion coefficient of lithium ion is raised, and ionic conductivity of the material is enhanced. Meanwhile, direct contact between an electrolyte and the cathode material is avoided effectively, and side effect of electrodes is minimized. Thus, chemical stability and cycle performance of the cathode material are improved.
Owner:QINGDAO QIANYUN HIGH TECH NEW MATERIAL
Interconnected flexible solar cell and fabrication method thereof
ActiveCN103840024ASimple processEasy to operateFinal product manufacturePhotovoltaic energy generationSemiconductor materialsOhmic contact
The invention relates to a thin film solar cell assembly and a fabrication method thereof, and specifically relates to an interconnected flexible solar cell and a fabrication method thereof. The flexible solar cell comprises at least two flexible solar cell units. Each flexible solar cell unit comprises a flexible cell substrate, a semiconductor material layer and a light receiving layer which are stacked successively. The light receiving layer is provided with a conductive bus bar. In two adjacent flexible solar cell units, the edge of the light receiving layer of one flexible solar cell unit is overlapped with the edge of the flexible cell substrate of the other flexible solar cell unit. A conductive connection structure is arranged between the conductive bus bar on the light receiving layer and the flexible cell substrate. The invention further discloses a fabrication method of the interconnected flexible solar cell. According to the invention, the advantage of easy process operation can be realized, the ohmic contact is easy to form, the light receiving area of the solar cell can be increased, and the advantage of good safety performance can be realized.
Owner:紫石能源有限公司
Series flexible thin film solar cell module and making method thereof
ActiveCN106898665AReduce manufacturing costThe process is simple and easy to controlFinal product manufacturePhotovoltaic energy generationScreen printingMetallic materials
A series flexible thin film solar cell module and a making method thereof are disclosed. A flexible solar cell comprises at least one flexible solar cell unit. The flexible solar cell unit includes a cell substrate of a flexible metal material, a power generation thin film layer, an adhesive layer, and a water blocking layer. The power generation thin film layer has grid lines for silk-screen printing, which are subjected to conductive convergence through a bonding bus bar and connected with a metal substrate of another flexible solar cell unit to form a series structure. The invention also discloses a method for making the series flexible copper indium gallium selenide thin film solar cell. According to the invention, the process is simple to realize and free from environmental influence, is also safe and reliable, and can be used in many industries.
Owner:BEIJING SIFANG CRENERGEY OPTOELECTRONICS TECH CO LTD +1
An intelligent vehicle driving behavior personification decision-making method based on a driving prediction field and a BP neural network
The invention discloses an intelligent vehicle driving behavior personification decision-making method based on a driving prediction field and a BP neural network. The method comprises the following steps: 1, dividing surrounding vehicle behaviors into 9 typical behaviors bi according to combination of transverse and longitudinal aspects, fitting a similarity track corresponding to each vehicle behavior bi, and setting an area through which a target vehicle passes according to the similarity track; 2, taking front and rear vehicles of the current lane of the intelligent vehicle and front and rear vehicles of an adjacent lane as surrounding vehicles, and enabling the intelligent vehicle to use V2V communication to obtain the position, speed and acceleration of each vehicle at each moment inreal time; 3, establishing a safety prediction field, an efficiency prediction field and a driving comfort prediction field; And step 4, enabling the intelligent vehicle to obtain the field intensitysum of the sub-prediction fields of each behavior bi in the driving prediction field in real time, inputting the field intensity sum into a BP neural network driving behavior decision model after normalization processing, and outputting a y vector to decode to obtain a most reasonable driving behavior decision result.
Owner:JIANGSU UNIV
Plane contact device used for rapidly conducting large current
InactiveCN103187644AAchieve contactUndisturbedCoupling contact membersCouplings bases/casesEngineeringElectric current
The invention provides a plane contact device used for rapidly conducting large current. The plane contact device comprises a first conductive base and a second conductive base which are mutually communicated, wherein the conductive surface of the first base is a plane, the base surface of the second base is fixedly provided with an elastic stamping conducting strip, the top end of the elastic stamping conducting strip extrudes out of the surface of the second base, the surface of the second base is provided with a defending surface capable of avoiding the overpressure of the elastic stamping conducting strip, and the defending surface is lower than an elastic extrude surface of the elastic stamping conducting strip. The plane contact device has the main beneficial effects that the current conduction can be ensured all the time with the adoption of the elastic conducting strip when the mutually matched conductive surfaces are contacted, and the current can be favorably conducted without being influenced by vibration environment even when the conductive surfaces vibrate, and thereby, the real surface contact is realized.
Owner:SUZHOU CHILYE GREEN TECH
Transfer equipment
InactiveCN1981370AAdjust parallelismAvoid damage such as ruptureProgramme-controlled manipulatorJointsSemiconductorSupport plane
Transfer equipment (10) is provided with a supporting plate (11) which has a supporting plane (20A) for a semiconductor wafer (W), an arm plate (30) for supporting the supporting plate, and a parallelism adjusting means (14) arranged between the supporting plate and the arm plate (13). The supporting plate is arranged to permit air to be sucked and discharged from the supporting plane, is maintained parallel to the wafer by the reaction when the supporting plate is brought close to the semiconductor wafer (W) in a status where air is discharged. After the supporting plate is brought into contact with the wafer in a status where the parallelism is maintained, the supporting plate sucks the wafer and transfers it.
Owner:LINTEC CORP
Wearable electrocardiogram detection device
InactiveCN104665822AAchieve contactAchieve the effect of interferenceDiagnostic recording/measuringSensorsEcg signalUpper limb
The invention relates to a wearable electrocardiogram detection device. The wearable electrocardiogram detection device comprises a first electrode and a second electrode, wherein at least the first electrode is arranged on the body of a user through a wearing structure, and the second electrode contacts with the skin of the upper limb, the neck or the shoulder, so that an electrocardiosignal extraction loop is formed, and electrocardiosignal extraction is performed.
Owner:周常安
Inverted triple-junction InGaN solar cell
InactiveCN102324443AFully absorbedAchieve contactPhotovoltaic energy generationSemiconductor devicesQuantum efficiencyPower flow
The invention relates to an inverted triple-junction InGaN solar cell. The inverted triple-junction InGaN solar cell comprises a substrate, an anode below the semi-transparent current expansion layer and a cathode below a first InGaN cell, wherein a GaN nucleating layer, a GaN buffering layer and a semi-transparent current expansion layer between a triple-junction InGaN cell and a tunnel junction are arranged below substrate in sequence; a cap layer is placed between the semi-transparent current expansion layer and a third InGaN cell; and the anode and the cathode are bonded on a carrier evaporated with a reflective layer through a metal convex point. According to the invention, solar spectrum is sufficiently absorbed by adopting the inverted triple-junction solar cell and a high-dosage layer after the InGaN material growing process as the cap layer, the metal convex point and the carrier; the external quantum efficiency exceeds 70%; the photoelectric conversion efficiency is increased, the service life of the cell is prolonged, the working stability of the cell is enhanced; and the cell can be directly used as a complete cell.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 18 RES INST +1
Display and demonstration device for ideological and political education
InactiveCN109875322ASimple and reasonable structureEasy to useShow shelvesFeetHinge angleEngineering
Owner:SHAANXI BAISHIHENG ENVIRONMENTAL PROTECTION TECH DEV CO LTD
Fixing device, fixing method and application method for reconstruction of cruciate ligaments
The invention discloses a fixing device, a fixing method and an application method for reconstruction of cruciate ligaments. The fixing device comprises a driven nail and an expansion nail sleeve. In an unexpanded state, four axially-extending grooves are formed on the peripheral side surface of a sleeve body in an inwardly and radial sinking mode. By means of the grooves, splitting of ligaments is achieved. In an expansion state, the driven nail is inserted into a sleeve body by means of an opening. Under the effect of the driven nail, the grooves are outwardly extruded so that expansive fixation is achieved. The fixing device, fixing method and application method for reconstruction of cruciate ligaments have following beneficial effects: 360-degree uniform expansion of the expansion nail sleeve is ensured; the expansion nail sleeve is prevented from being broken; transported tendons are not cut by the surgery of reconstruction of ligament; tendons are divided into four bundles by extrusion in a radial direction for effective fixation; fine fixation effect is obtained; full contact among transported tendons and a bone tunnel is achieved; recovery of tendons and bones is further promoted so that the fixing device is suitable for operative habits of a doctor; and the fixing device is easily and conveniently used without additional learning.
Owner:SHANGHAI KINETIC MEDICAL
Cardiovascular health monitoring device and cardiovascular health monitoring method
InactiveCN104665821AHigh acceptanceProvide effective and accurateEvaluation of blood vesselsSensorsSphygmomanometerEcg signal
The invention relates to a cardiovascular health monitoring device and a cardiovascular health monitoring method. The cardiovascular health monitoring device comprises a shell, a control circuit, an inflatable pressure pulse sphygmomanometer, a pump, at least one first electrode, a second electrode and an ear wearing structure, wherein the inflatable pressure pulse sphygmomanometer surrounds an upper limb of a user; the pump is accommodated in the shell; and the first electrodes are arranged on the ear wearing structure. When blood pressure is measured, a processor controls the pump to inflate or deflate the pressure pulse sphygmomanometer, so that the blood pressure of the user can be detected. When an electrocardiosignal is measured, the ear wearing structure is worn on an ear of the user, the first electrodes are in contact with the skin of the ear or the skin close to the ear, the pressure pulse sphygmomanometer surrounds the upper limb, the second electrode is in contact with the skin of the upper limb, and the processor can acquire the electrocardiosignal via the first electrodes and the second electrode.
Owner:周常安
Wearable physiological detector
InactiveCN104586382AAchieve contactAchieve the effect of interferenceDiagnostic recording/measuringSensorsEcg signalUpper limb
The invention relates to a wearable physiological detector. The wearable physiological detector comprises a first electrode and a second electrode, wherein the first electrode is arranged on the head through a head-mounted structure, and is in contact with the skin of the head, and the second electrode is in contact with the skin of one upper limb, the neck or one shoulder to form a electrocardiosignal acquisition loop and acquire electrocardiosignals. Moreover, the wearable physiological detector further comprises a plurality of electroencephalographic electrodes in order to acquire electroencephalographic signals when the head-mounted structure is worn.
Owner:周常安
Preparation method of molybdenum disulfide composite carbon composite electrode material with polyphosphazene as carbon source
InactiveCN107248573APromote circulationImprove stabilitySecondary cellsNegative electrodesCarbon compositesCapacitance
The invention provides a preparation method of a lithium battery composite carbon electrode material. The preparation method comprises the steps of taking hexachlorocyclotriphosphazene (HCCP) and 4,4'-dihydroxy diphenyl sulfone (BPS) as raw materials; taking triethylamine (TEA) as an acid-binding agent; preparing polyphosphazene microspheres coated with MoS2 through a one-step precipitation polymerization method under an ultrasonic effect; carbonizing the polyphosphazene microspheres at a high temperature to obtain an MoS2@C composite material, wherein the MoS2@C composite material can be used as an electrode material. The preparation method of the lithium battery composite carbon electrode material has the effects and advantages that the prepared MoS2@C composite material has high specific area, good circulation, high-current charging and discharging stability, high specific capacitance and the like.
Owner:ZHEJIANG UNIV OF TECH
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