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2113 results about "Button battery" patented technology
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A watch battery or button cell is a small single cell battery shaped as a squat cylinder typically 5 to 25 mm (0.197 to 0.984 in) in diameter and 1 to 6 mm (0.039 to 0.236 in) high — like a button on a garment, hence the name.
Smart device to measure tissue thickness
InactiveCN104921730BWon't hurtNo tissue damageDiagnostic recording/measuringSensorsButton batteryMeasuring instrument
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Rechargeable lithium ion button cell battery
ActiveUS20110091753A1Reliable contactEasy to weldCell electrodesFinal product manufactureButton batteryHigh energy
A rechargeable lithium ion button cell battery having a sealed housing comprises an inner casing and an outer casing, both casings have at least one flat area as top or bottom of the battery, and a round or oval side wall vertically formed to the flat area. Said side walls are single wall not folded double walls. An insulation gasket is positioned between said side walls, and the outer casing opening is mechanically crimped to complete the seal of the battery. Inside the sealed housing the anode & cathode electrodes are spiral wound with separator to be a round or oval roll. Said roll axis is vertical to the said flat areas of the casings. The two electrodes are tapered in width and comprise current collectors of metal foils coated with lithium-intercalating active materials, leaving small area of uncoated metal foils as welding tabs for connecting to the casings. The tabs are welded to the casings respectively, or for the tab of the electrode which connecting to outer casing, welded to an aluminum flake first and said flake is pressed on the outer casing by said gasket. Two insulation washers could be applied to inner side of the casings to prevent short circuit. Such battery has high energy density, low impedance, high reliability and long cycle life.
Owner:WANG FANG +1
Therapeutic penis ring
InactiveUS20090318755A1Save battery powerSave livesPenis support devicesChiropractic devicesPenisButton battery
The Therapeutic Vibrator is a small barrel-shaped container housing a motor and at least one battery for the electric power source. The Therapeutic Vibrator is typically activated by an on / off switch or push-button at one end of the barrel, and when activated, the barrel will vibrate delivering massage to a specific body part. The barrel may comprise two halves that fasten together having recesses and cavities for battery (typically button-cell type), motor, switch wiring, etc. The barrel may then be contained within an appropriate vibrator body made from a material that is soft to the touch. The Therapeutic Vibrator may be used in a sex toy or in any other appropriate massaging device, such as small massagers for hands or faces.
Owner:ADAMS JESSE AARON +2
Intelligent instrument for measuring tissue thickness
InactiveCN104921730AWon't hurtNo tissue damageDiagnostic recording/measuringSensorsWireless transmissionButton battery
The invention relates to an intelligent instrument for measuring the tissue thickness. The intelligent instrument comprises a button cell type intelligent thickness measuring clip or an external power supply type intelligent thickness measuring clip, a linear incision anastomat or a manual thickness measuring instrument or an automatic thickness measuring instrument, and a staple anvil. The button cell type intelligent thickness measuring clip comprises an outer shell, a pressing key, waterproof soft glass, an integrated circuit board and a bottom cover. The waterproof soft glass is arranged between the pressing key and the integrated circuit board and covers the surface of the pressing key. A button cell, a power module, a display module, a tissue pressure intensity measuring module, a tissue thickness measuring module, a control module and a wireless transmission module are mounted on the back face of the integrated circuit board. An eddy-current transducer and a pressure sensor are mounted on the front face of the integrated circuit board. The button cell type intelligent thickness measuring clip is matched with a wireless transmission device. The intelligent instrument for measuring the tissue thickness has the advantages that the tissue thickness can be measured in a quantitative mode, tissue thickness measurement is accurate, corresponding anastomotic staple cartridges can be selected conveniently, and the success rate of anastomotic surgery is increased.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Intelligent electronic label system
InactiveCN101236611ALow costFunction increaseCo-operative working arrangementsSensing record carriersButton batteryTerminal equipment
The invention provides an intelligent electronic label system which uses a highly integrated and low cost wireless micropower single chip transceiver to manufacture an intelligent label and a reader-writer respectively. The intelligent label is in a dormant state for a long time and works for an instant after a periodical revival, the reader-writer seizes the instant after the intelligent label is revived to establish a communication contact with the intelligent label through different modes, thereby realizing control management of a system to the intelligent label and other terminal devices connected with the intelligent label with very low average power consumption. The invention also makes that a common button cell battery is not necessary to replace for a plurality of years through flexible regulations to the dormant cycle of the intelligent label, an operating channel, an operation mode, etc. Meanwhile, the invention also greatly accelerates response speed of the intelligent label. The intelligent electronic label system has a simple structure, a long reading and writing distance, low cost, and flexible and convenient use; therefore, intelligent electronic label system can be used as a wireless electronic vehicle license plate, an identification card, etc., and can be used for control management to vehicles, staffs, materials and other remote terminal equipment.
Owner:WESTVALLEY DIGITAL TECH
Watch with function of vehicular intelligent key
ActiveCN103149830ADoes not increase thickness significantlyGood lookingKeysClockwork casesButton batteryIdentity recognition
The invention discloses a watch with a function of a vehicular intelligent key. The watch comprises a watch shell body, an index dial, a movement and a vehicular controller. The vehicular controller is contained in the watch shell body and comprises a frame, a printed circuit board (PCB), a battery containing part, a button cell battery and a base cover, wherein the frame is roughly annular, and a coiling groove which is internally provided with antennae in a coiled mode is formed in the outer circumferential side of the frame; the PCB is arranged in one side, facing to the movement, of the frame in a clamped mode; the battery containing part is formed on the other side, away from the movement, of the frame, and is used for containing the button cell battery; and the base cover is connected with the watch shell body to seal the watch shell body. According to the watch with the function of the vehicular intelligent key, the vehicular controller is arranged in the watch, so that an identity recognition circuit of a car owner can be integrated into a quartz watch which is carried with the car owner. Therefore, the functions of identity recognition of the car owner and car burglary prevention can be achieved, in addition, the thickness of the watch cannot greatly increased, appearance is good, and carrying is convenient.
Owner:BYD CO LTD
Carbon cladded ferriferrous oxide negative electrode material of lithium ion battery and preparation method thereof
InactiveCN102790217AHigh degree of graphitizationLarge specific surface areaCell electrodesSolid carbonButton battery
The invention discloses a carbon cladded ferriferrous oxide negative electrode material of a lithium ion battery and a preparation method thereof. The negative electrode material is a carbon cladded Fe3O4 composite material and has a particle size in a range of 1 to 100 nm. The preparation method comprises the following steps: with NaCl used as a dispersing agent and a supporter, fully mixing NaCl with a metal oxide source and a solid carbon source; drying an obtained mixed solution under vacuum to obtain a mixture; placing the mixture into a tubular furnace for calcination in an inert atmosphere so as to obtain a calcined product; and rinsing and grinding the calcined product to obtain carbon cladded metal oxide nanometer particles. The method is safe and non-toxic and is simple to operate; during charging and discharging tests of a lithium ion button cell made of the carbon cladded ferriferrous oxide negative electrode material, discharge specific capacity can be maintained at 620 to 900 mAh / g after 30 cycles of charging and discharging at a current of 0.1C (with current density being 92 mA / g), and discharge specific capacity can be maintained at 600 to 760 mAh / g after 50 cycles of charging and discharging at a current of 1C (with current density being 920 mA / g); and the negative electrode material of the lithium ion battery has high reversible capacity and good cycling stability.
Owner:TIANJIN UNIV
Rechargeable lithium ion button cell battery
ActiveCN104332647AAvoid short circuitImprove reliabilityFinal product manufactureCylindrical casing cells/batteryElectrical batteryButton battery
A rechargeable lithium ion button cell battery having a sealed housing comprises an inner casing and an outer casing , both casings have at least one flat area as top or bottom of the battery, and a round or oval sidewall vertically formed to the flat area. An insulation gasket is positioned between said sidewalls, and the outer casing opening is mechanically crimped to complete the seal of the battery. Inside the sealed housing the anode and cathode electrodes are spiral wound with separator to be a round or oval roll. Said roll axis is vertical to the said flat areas of the casings. The two electrodes are tapered in width to fully utilize the inner space. The electrodes comprise current collectors of metal foils coated with lithium-intercalating active materials, leaving small area of uncoated metal foils as conductor tabs for connecting the electrodes to the casings. The tabs could be welded or by tight contacting to the casings, in several options. Insulation washers or tapes are applied to the naked metal surfaces of the electrodes or casings inside of the housing to prevent short circuit and enable the battery to have longer cycle life.
Owner:ZHUHAI ZHI LI BATTERY
Electrical rechargeable battery in the form of a button cell
InactiveUS6312848B1Improve powerProduced economicallyFuel cells groupingFinal product manufactureElectricityButton battery
An electrical accumulator having a case in the form of a button cell which is closed such that it is gastight, including a case cover and a case cup with an interposed electrically insulating seal, which contain an electrode set including positive and negative electrodes as well as interposed separators, with at least two electrodes of one polarity being mechanically. and electrically connected at at least two points on their circumference in such a manner that a mechanically robust electrode packet results. The invention furthermore relates to a method for producing such a rechargeable battery.
Owner:VARTA MICROBATTERY
Body temperature measuring device for helmet or head gear
InactiveUS20070177651A1Reduce maintenance costsLow costThermometers using electric/magnetic elementsBody temperature measurementBody temperature measureButton battery
A portable continuous body temperature monitoring device for a helmet or head gear to be worn by athletes, sports enthusiasts and workers in hot environments that is composed of a therimstor located in a position that is in contact with the temple or forehead of the wearer through attached head gear, pads or straps. The device also contains wiring for an LCD readout and a computer chip for algorithm and analysis of body temperature, signaling the device to trigger an alarm that is either auditory or visual. The computer chip also contains a correlation algorithm for accurate interpretation of body surface temperatures. The device is powered through a button battery and provides protection for dangerous rises in the body temperature of the wearer. The device can also contain electrodes in direct contact with the forehead of the wearer in order to monitor heart rate.
Owner:DAUGHERTY EDWARD P +1
Capacitors with Low Equivalent Series Resistance
InactiveUS20090168305A1Increase energy densityIncrease the equivalent series resistanceBatteries circuit arrangementsHybrid capacitor electrolytesElectrical resistance and conductanceInterfacial resistance
An electric double layer capacitor (EDLC) in a coin or button cell configuration having low equivalent series resistance (ESR). The capacitor comprises mesh or other porous metal that is attached via conducting adhesive to one or both the current collectors. The mesh is embedded into the surface of the adjacent electrode, thereby reducing the interfacial resistance between the electrode and the current collector, thus reducing the ESR of the capacitor.
Owner:TPL SRL
Waste and old electronic trash classified recycling bin capable of being used as advertising lamp box
InactiveCN103662541AAccurate classificationAccurate detectionWaste collection and transferRefuse receptaclesButton batteryEngineering
The invention discloses a waste and old electronic trash classified recycling bin capable of being used as an advertising lamp box. The waste and old electronic trash classified recycling bin capable of being used as the advertising lamp box comprises a bin body, an advertising lamp box and a solar panel, wherein the bin body is provided with a waste and old mobile phone battery slot, a dry battery slot, a button battery slot and an energy-saving lamp slot, wherein the slots are respectively provided with a detection device used for detecting whether trash is a waste and old battery or an energy-saving lamp; the solar panel supplies power to the operation of the advertising lamp box and the recycling bin. The waste and old electronic trash classified recycling bin capable of being used as the advertising lamp box can realize automatic detection, and the waste and old battery and the energy-saving lamp can be subjected to classification collection while the waste and old battery is prevented from being mixed with waste, thereby being favorable for collecting the waste and old battery and the energy-saving lamp. The recycling bin and the advertising lamp box are combined, so that the waste and old electronic trash classified recycling bin has the advantages of strong practicality and good publicity effect. Meanwhile, solar energy is used to supply power to the recycling bin, and therefore the waste and old electronic trash classified recycling bin has the advantages of saving energy, protecting the environment, and being convenient to install and use.
Owner:王冬栋
Zinc/air cell
InactiveUS20070224495A1Improve ionic conductivityResists deterioration in ionic conductivityFuel and primary cellsNon-aqueous electrolyte accumulator electrodesPolyvinyl alcoholButton battery
A zinc / air depolarized cell wherein the anode comprises zinc particles, aqueous alkaline electrolyte, and aqueous alkaline electrolyte within said anode casing; a cathode within said cathode casing; and an electrolyte permeable separator between said cathode and anode; and a glue comprising crosslinked polyvinylalcohol, preferably crosslinked with a boron containing compound, said glue located between the separator and a side of said cathode to adhesively bond the separator to the cathode. The cell may be in the form of a button cell. The glue provides a strong adhesive bond between the separator, desirably of microporous polypropylene, and the cathode. The glue promotes ionic conductivity at the separator / electrode interface even when the zinc / electrolyte ratio within the anode is elevated.
Owner:DURACELL U S OPERATIONS
Zinc/air cell
ActiveUS7001689B2Optimized diameterBe consistentFuel and primary cellsFilling tube/pocket electrodesInterference fitButton battery
A zinc / air cell having thin walled cup shaped anode casing and cathode casing. The cell may be a button cell having an anode comprising zinc and a cathode, which may be catalytic, comprising manganese dioxide. The anode and cathode casings have small wall thicknesses, preferably between 2 and 5 mil (0.0508 and 0.127 mm), desirably between about 2 and 3 mil (0.0508 and 0.0762 mm). There is an insulating seal ring covering at least a portion of the anode casing side walls. During cell assembly the cathode casing side wall is pushed over at least a portion of the anode casing side wall with insulating sealing disk therebetween. A tight interference fit is achieved with the outside diameter of the anode casing plus insulating seal thereon being preferably between about 2 and 4.5 mil (0.0508 and 0.114 mm) greater than the inside diameter of the cathode casing. This reduces the tendency of the casing side walls to spring back after crimping.
Owner:DURACELL U S OPERATIONS
Button cell and manufacturing method thereof and electronic equipment
The invention provides a button cell and a manufacturing method thereof and electronic equipment, and relates to the technical field of batteries. The technical problems that a button cell is poor insealing effect, high in assembly difficulty and low in production efficiency are solved. The button cell is covered on the through hole of the top cover through a conductive piece; the top cover and the conductive piece are connected together in an insulating and sealing manner througha sealing rubber ring; the battery cell is placed in the accommodating cavity of the bottom shell; the first tab on the battery cell is welded with the inner bottom wall of the bottom shell; then the top cover with the conductive piece is connected with the bottom shell in a sealed mode, the second tab on the battery cell is electrically connected with the conductive piece, finally, electrolyte is injected into the containing cavity from the electrolyte injection port in the conductive piece, after electrolyte injection is completed, the electrolyte injection port is covered with the sealing part in a sealed mode, and the sealing part is connected with the electrolyte injection port in a sealed mode. Thebutton cell provided by the invention is used for improving the sealing performance.
Owner:ZHUHAI COSMX BATTERY CO LTD
Separately powered dynamic blood sugar monitoring transmitter, system and signal sampling method
The invention discloses a separately powered dynamic blood sugar monitoring transmitter, a system and a signal sampling method. The separately powered dynamic blood sugar monitoring transmitter structurally comprises a transmitter body and a sensor base device. The sensor base device is divided into a base and adhesive tape, a battery jar and a groove are formed in the base, a battery is arrangedin the battery jar, a rotating seat is installed in the groove, one side of the rotating seat is hinged in the groove, a silica gel seat is arranged in the rotating seat, a pair of conductive rubbersis arranged in the silica gel seat, the transmitter body comprises a circuit board assembly, and the circuit board assembly is provided with four conductive pins which can be in contact with a positive electrode, a negative electrode and the two conductive rubbers. Compared with the prior art, the button battery can be separated from the transmitter body and integrated with a sensor, when the transmitter is not used, the transmitter is not installed on a sensor base, so that the transmitter is in a power-off state, power of the button battery is not consumed; when the transmitter is used, thetransmitter is buckled on the sensor base, and the battery on the sensor base is electrically connected to the transmitter for power supply.
Owner:SUZHOU DIASCIENCE MEDICAL CO LTD
Preparation method of high-rate fast-rapid graphite
PendingCN106981632AHigh retention rateImprove adaptabilityGraphiteCell electrodesHigh rateButton battery
The invention relates to the technical field of a lithium ion secondary battery, in particular to a preparation method of high-rate fast-rapid graphite. The preparation method is characterized by comprising the following steps of (1) smashing and shaping a raw material; (2) mixing; (3) performing graphitization high-temperature processing, in which graphitization high-temperature processing is performed on the mixed material for 24-48 hours at 2,800-3,200 DEG C under protection of inert gas; (4) mixing the materials; (5) performing low-temperature thermal treatment; (6) performing carbonization thermal treatment; and (7) screening the mixed material. compared with the prior art, the preparation method has the advantages that the graphite is high in charge-discharge rate, large in discharge capacity and good in cycle performance, a button cell prepared from the graphite has excellent comprehensive performance and has main following advantages of relatively good large-current charge-discharge performance, good electrochemical performance, good cycle property, relatively high safety, relatively good adaptability to an electrolyte and other additives and stable product characteristic, the charge-discharge rate can reach over 10C, and the preparation method is suitable for industrial production.
Owner:SHANGHAI SHANSHAN TECH CO LTD
Button battery for improving utilization rate of radial space
PendingCN110459705AIncrease profitMeet the needs of fully automated productionFinal product manufactureSmall-sized cells cases/jacketsElectricityButton battery
The invention discloses a button battery for improving the utilization rate of radial space, which comprises a metal housing and an electric core arranged in the metal housing, wherein the electric core comprises a positive plate and a negative plate. The button battery further comprises a cover plate arranged on the metal housing, wherein the cover plate and the metal housing have the same polarity, and the cover plate and the metal housing are welded into a whole by laser, so that the sealing property of the battery housing is more reliable. The outer side of the cover plate is provided witha convex cap, the cover plate and the cap are provided with an insulating piece therebetween which prevents a short circuit between the cover plate and the cap, one of the positive plate and the negative plate is electrically connected with the metal housing or the cover plate, the other of the positive plate and the negative plate is electrically connected with the cap, and the electric core andthe outside are only separated by the single-layer metal housing, so that the utilization rate of the radial space of the battery is improved. Meanwhile, the process of the button battery is simpler,the requirement of full-automatic production of the battery is met, the production efficiency of the battery is improved, and the qualification rate is also well guaranteed.
Owner:CHONGQING VDL ELECTRONICS
Preparation method and application of black phosphorus quantum dot and titanium carbide nanosheet composite material
ActiveCN108199015AImprove charge/discharge performanceImprove cycle stabilityCell electrodesMetal foilTitanium carbide
The invention relates to a preparation method and application of a black phosphorus quantum dot and titanium carbide nanosheet composite material. The preparation method comprises the following steps:mixing a single layer or a few layers of Ti3C2 nanosheets with black phosphorus quantum dots dispersed uniformly inside an organic solution, and carrying out simple technologies such as ultrasonic treatment, stirring and drying to obtain the black phosphorus quantum dot and titanium carbide (BPQDs / Ti3C2) nanosheet composite material. The BPQDs / Ti3C2 nanosheet composite material coated on a coppersheet is taken as a working electrode of an energy battery, metal foils are taken as a counter electrode and a reference electrode, a glass microfiber filter membrane is taken as a diaphragm, an organic solution is taken as an electrolyte, and a button battery is assembled inside a glove box filled with high-purity argon. The product can serve as a two-dimensional electrode material, is widely applied to the energy field such as lithium ion batteries, and has excellent charge / discharge performance and cycling stability.
Owner:TONGJI UNIV
Button cell battery production line
InactiveCN101252194AAdvanced technologyEasy to controlFinal product manufactureNon-aqueous electrolyte cellsProduction lineLithium
The invention relates to a button cell production line, being characterized in comprising a rack component, a lithium chip loading mechanism, a paper cutting mechanism, a filling mechanism, a manganese chip loading mechanism, an anode case loading mechanism, a sealing mechanism, a main transmission mechanism, a pneumatic control system and an electrical apparatus control system as well as a control program; the rack component comprises a large worktable and a rack fastened on the lower surface of the large worktable, a lower base plate of the rack is arranged on a lower beam of the rack, a control cabinet is arranged on the upper part of the lower base plate of the rack; the lithium chip loading mechanism, the main transmission mechanism, the paper cutting mechanism, the filling mechanism, the manganese chip loading mechanism, the anode case loading mechanism and the sealing mechanism are arranged on the large worktable in turn; the pneumatic control system is arranged on the lower base plate of the rack; the electrical apparatus control system and the control program are arranged inside the control cabinet; a touch screen support is vertically arranged on the upper surface of the large worktable close to one end of the lithium chip loading mechanism.
Owner:TIANJIN POLYTECHNIC UNIV
Copper-zinc alloy current collector for inhibiting lithium dendrites
InactiveCN108550858AEvenly distributedUniform deposition and growthElectrode carriers/collectorsMetallic lithiumButton battery
The invention relates to a copper-zinc alloy current collector for inhibiting lithium dendrites. A conventional current collector is covered with a layer of copper-zinc alloy, the thickness of the copper-zinc alloy is 10 nm to 1 [mu]m, and the zinc atom content of the copper-zinc alloy is 1-5%. The copper-zinc alloy current collector provides more active sites for lithium metal deposition than theconventional current collector, and a button battery is assembled in a glove box full of argon by using a metal lithium-loaded alloy current collector or a common copper foil as a negative electrodeand adopting a Celgard 2325 diaphragm and metallic lithium as a reference electrode and a counter electrode. Deposition / dissolution experiments are carried out with blue electricity. The current density is 0.5 mA cm<-2>, the voltage lag is significantly increased after the copper foil electrode only circulates for 520 h, and a copper-zinc alloy negative electrode still maintains a small voltage lag after 1000 h circulation. The current collector in the invention is applied to a lithium-lithium iron phosphate a battery, and the electrochemical performances of the battery are obviously better than those of a battery using a metallic lithium negative electrode adopting the common current collector.
Owner:TIANJIN UNIV
Nanoporous Insulating oxide Electrolyte Membrane Ultracapacitor, Button Cell, Stacked Cell and Coiled Cell and Methods of Manufacture and use Thereof
A nanoporous insulating oxide composite electrode and ultracapacitor device, method of manufacture and method of use thereof. The composite electrode being constructed from a conductive backing electrode and an composite layer. Preferably, the ultracapacitor device is configured in a stacked, coiled or button cell configurations and includes composite electrodes. The composite layer being substantially free of mixed oxidation states and nanoporous and having a median pore diameter of 0.5-500 nanometers and average surface area of 300-600 m2 / g. The composite layer made from a stable sol-gel suspension containing particles of the insulating oxide, the median primary particle diameter being 1-50 nanometers. Preferably, the insulating oxide is Al2O3, MgAl2O4, SiO2 or TiO2. Preferably, the backing electrode is carbon paper sputter-coated with a film of Au.
Owner:WISCONSIN ALUMNI RES FOUND
Automatic clicker of cell diaphragm
The invention relates to an automatic gouging machine for a battery diaphragm, which is characterized by comprising an unreeling mechanism, a paper feeding mechanism, a punching mechanism, a guide mechanism, a reeling mechanism and a PLC control system which are sequentially fastened on a large base plate according to the process order; the unreeling mechanism comprises an unreeling shaft and an unreeling bracket; the paper feeding mechanism comprises a suspended sliding type adjusting mechanism and a roller screw-in structure; the punching mechanism comprises a gas cylinder bracket mechanism and a die bracket mechanism which adopt the modular design; the guide mechanism mainly comprises a guide roller bracket and a guide roller; and the reeling mechanism mainly comprises a friction adjusting mechanism, a winding core, a speed reducing motor, a reeling bracket and a reeling shaft. The gouging machine can adapt to the production requirements of button battery diaphragm with a plurality of specifications, and has the characteristics of simple structure, high efficiency and low cost.
Owner:HEBEI UNIV OF TECH
Button battery and manufacturing method therefor
ActiveCN106601960ALower internal resistanceEffectively control the overall heightCell electrodesFinal product manufactureInternal resistanceButton battery
The invention relates to a button battery and a manufacturing method therefor. The button battery comprises a shell, wherein a plurality of positive electrode plates and negative electrode plates are arranged in the shell; each positive electrode plates and each negative electrode plate are laminated to form a columnar cell; each positive electrode plates and each negative electrode plate are connected with the shell through a current collector separately; the manufacturing method for the button battery comprises the steps of coating each positive electrode plates and each negative electrode plate with an active material separately, and enabling a first current collector, connected with each positive electrode plate, to be connected with the shell through an aluminum foil; enabling a second current collector, connected with each negative electrode plate, to be connected with the shell through a copper foil; and sleeving the columnar cell with a sealing ring, and performing baking on the columnar cell, and then carrying out electrolyte injection, sealing, formation and capacity grading. The button battery adopts multiple positive electrode plates and negative electrode plates, and each positive electrode plates and each negative electrode plate are provided with tabs respectively, so that the internal resistance of the battery is reduced while the high-current discharging capability is high due to that the multiple tabs are adopted for flow guiding; and in addition, the positive electrode plates and the negative electrode plates are laminated alternately at intervals, so that the height of the battery is adjustable.
Owner:CHONGQING VDL ELECTRONICS
Ionic liquid electrolytes that include an anionic surfactant and electrochemical devices such as storage batteries comprising them
InactiveCN102089924AImprove abilitiesReduce solubilityHybrid capacitor electrolytesDouble layer capacitorsLithiumButton battery
Owner:COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES +1
Preparation method of low expansion graphite
InactiveCN106252662AReduce bloatImprove adaptabilityCell electrodesSecondary cellsButton batteryMicrometer
The invention relates to the technical field of a graphite negative electrode material, in particular to a preparation method of low expansion graphite. The preparation method is characterized by comprising the following steps of (1) smashing and shaping flake graphite raw material to grain sizes with D50 being 5-10 micrometers; (2) mixing the flake graphite raw material, an adhesive easy to be graphitized and a graphitized catalyst; (3) performing low-temperature thermal processing for 10-20 hours at 300-800 DEG C under protection of inert gas, and cooling the mixture to a room temperature; (4) performing catalytic graphitization high-temperature processing for 24-48 hours at 2,800-3,200 DEG C under the protection of inert gas; and (5) sieving the mixture, and obtaining the low expansion graphite. Compared with the prior art, the preparation method is simple and practical and is suitably used for industrial production, the prepared graphite is low in expansion, large in discharge capacity and high in cycle performance, and a button cell prepared from the graphite is excellent in integral performance.
Owner:SHANGHAI SHANSHAN TECH CO LTD
Portable microscopic visualization tube for determining ovulation from saliva assay
A portable microscopic visualization tube for determining ovulation from saliva assay is disclosed. A portable microscopic visualization tube for determining ovulation period from saliva having a microscopic lens module, a beam tube, an electric powered LED mechanism, and a tube cap, and the LED mechanism includes a button battery seat, characterized in that the mounting position of the edge of the button seat and the inner wall of the beam tube is correspondingly formed into engageable recessing block or protruding block such that the entire LED mechanism can be withdrawn from the beam tube to replace the button battery within the button battery seat.
Owner:YEH GARY
Intelligent anti-lost system and method
InactiveCN106205004AFull noticeExtended service lifeBurglar alarm electric actuationWi-FiShortest distance
The invention discloses an intelligent anti-lost system and method. The system comprises an anti-lost device, a Bluetooth communication module, an alarm module, a Wi-Fi module, a button battery and a central controller. The Bluetooth communication module, the alarm module, the Wi-Fi module, the button battery and the central controller are all arranged on the anti-lost device. The anti-lost device is connected and communicated with a mobile terminal through a communication protocol. In a short-distance monitoring condition, only a low-power Bluetooth working mode is started, and in a long-distance monitoring condition, the low-power Bluetooth working mode is preferentially started, and a Wi-Fi working mode is started when the Bluetooth communication range is exceeded or false alarms and alarm failure occur due to unstable signals, so that power is saved and the service life of equipment is prolonged, the effective distance of monitoring is increased, and the anti-lost device in a safe distance can be effectively and accurately monitored. In addition, when a distance between a mobile phone and the anti-lost device is beyond the safe distance, the alarming of the anti-lost device and the mobile phone end is supported at the same time, and the mentioned bidirectional alarm mechanism can comprehensively inform a user.
Owner:HUAZHONG NORMAL UNIV
Body surface measuring device and system
InactiveCN104545828AGood flexibilityImprove wearing comfortSensorsBlood characterising devicesElectricityFlexible circuits
The invention discloses body surface measuring device and system. The body surface measuring device comprises a flexible circuit board which is equipped with a sensor for detecting parameters to be measured, and a battery which is arranged at one of the side of the flexible circuit board and is clung to the flexible circuit board; the positive electrode and the negative electrode of the battery are electrically connected with the positive electrode terminal and the negative electrode terminal of the flexible circuit board. The body surface measuring device is close to the skin; compared with the surface measuring device which is equipped with a housing and a button cell, the body surface measuring device is relatively light in mass, small in thickness, and high in flexibility; the sense of foreign body at the closing part is obviously reduced; the body surface measuring device can be worn for a long time, and thus the state parameters of the measured body can be mastered all the time and effectively recorded.
Owner:江波涛
Button cell mounting equipment
InactiveCN102013496AReduce labor intensityReduce scrap rateNon-aqueous electrolyte cellsLithiumHigh volume manufacturing
The invention relates to button cell mounting equipment, comprising a rack and a workbench on the rack, wherein the workbench is provided with a feed mechanism for transmitting a negative electrode cover, a lithium piece, a diaphragm, a positive electrode piece and a positive cover of a button cell assembly to mounting stations in turn, a transportation track for transporting the negative electrode cover, a lithium piece forming mechanism for forming the lithium piece on the negative electrode cover, a liquid-pouring mechanism for pouring electrolyte in the negative electrode cover, a sealingmechanism for packaging the cell and a clamp seat for locating the negative electrode cover on the transportation track, and the mechanisms are electrically connected with a main control circuit. In the invention, automatic feeding, mounting and sealing of the cell assembly are realized, the production efficiency and the product quality are improved, the labor intensity of workers are greatly reduced and the production cost is saved. The button cell mounting equipment is especially suitable for the requirements on producing lithium-manganese button cells in bulk, thereby improving the market competitive power of enterprises.
Owner:周俊雄
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