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40results about How to "Reduce equivalent internal resistance" patented technology

Electrolyte for capacitor and capacitor using electrolyte

The invention belongs to the field of electrochemistry and discloses an electrolyte for a capacitor and the capacitor using the electrolyte. The electrolyte comprises ionic liquid and nano-silver particles in a mass ratio of (1:0.001)-(1:0.01). The electrolyte has the following beneficial effects that the electrolyte is prepared through the mixture and reaction of the ionic liquid and the nano-silver particles; and after the ionic liquid and the nano-silver particles are mixed, the internal resistance of the electrolyte is reduced in the presence of silver ions, and the silver ions are partially reduced to silver simple substances in the charge-discharge process and the silver simple substances are relatively stable and can uniformly attach to the gaps of electrode materials to reduce the internal resistance of the electrode materials, thus greatly reducing the equivalent internal resistance of the electrical double layer capacitor.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Electrolyte for double-electric-layer capacitor

The invention belongs to the field of electrochemistry, and discloses an electrolyte for a double-electric-layer capacitor. The electrolyte for the double-electric-layer capacitor comprises pyridines ionic liquid and alkyl trimethyl silane, and the molar ratio of the pyridines ionic liquid and the alkyl trimethyl silane is 1:0.001-1:0.05. According to the electrolyte for the double-electric-layer capacitor, the affinity of the pyridines ionic liquid and diaphragm materials such as PP and PE is small due to high viscosity and large surface tension of the pyridines ionic liquid, so that the equivalent internal resistance of the double-electric-layer capacitor with the pure pyridines ionic liquid being used as the electrolyte is large, after the alkyl trimethyl silane is added in the pyridines ionic liquid, due to the fact that the alkyl trimethyl silane is a nonionic surface active agent, the alkyl trimethyl silane can increase the affinity of the pyridines ionic liquid and the diaphragm materials such as the PP and the PE commonly used for capacitors, and the equivalent internal resistance of the double-electric-layer capacitor is greatly lowered. Therefore, the equivalent internal resistance of the double-electric-layer capacitor is greatly lowered.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Double electric layer capacitor electrolytic solution

InactiveCN103377836AReduce equivalent internal resistanceWill not increase the risk factor of flammability and explosionHybrid capacitor electrolytesInternal resistanceCarbon nanotube
The invention belongs to the field of electrolytic solutions, and discloses a double electric layer capacitor electrolytic solution which is characterized by comprising ionic liquid and carbon nano tube powder with the mass ratio of 1:0.001-0.1. The ionic liquid is formed by any one negative ion of imidazolium cation or a pyrrole positive ion and fluoboric acid positive ion, a fluorophosphoric acid negative ion, a diimine (fluoroform sulfonyl) negative ion, an acetic acid negative ion, a methyl organosulfate positive ion, a trifluoroacetic acid negative ion, a trifluoromethane sulfonic acid negative ion, a dicyandiamide negative ion and a trifluoroacetyl trifluoromethanesulfonamide negative ion. The double electric layer capacitor electrolytic solution is formed by the ionic liquid and the carbon nano tube powder in a mixed mode, the negative ions of the ionic liquid can be adsorbed by carbon nano tubes, the carbon nano tubes can promote efficient dissociation of the ionic liquid, the transference number of the ionic liquid is increased, and thus equivalent internal resistance of a double electric layer capacitor is greatly reduced; the carbon nano tubes do not volatilize, so flammable and combustible danger coefficients cannot be increased.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Super-capacitor high-conductive active carbon electrode manufacturing method

The invention discloses a super-capacitor high-conductive active carbon electrode manufacturing method. The method comprises the following steps of 1) manufacturing an oxidized grapheme / active carbon mixture: adding an active carbon raw material into an oxidized graphene solution, under an ultrasound condition, carrying out a reaction at a temperature of 80 DEG C to 100 DEG C for 1h to 10hs, after the reaction is ended, obtaining a mixture solution; 2) manufacturing a grapheme / active carbon electrode: adding the mixture solution obtained from the step 1 into a Teflon container, and then adding a catalyst, after sealing, carrying out the reactor at a temperature of 80 DEG C to 200 DEG C for 1h to 10 hs, after the reaction is ended, using distilled water to fully clean, and drying for 12 to 24 hs under the temperature of 80 to 100 DEG C to acquire a high-conductive active carbon electrode. The active carbon manufactured in the invention is dispersed in a grapheme three-dimensional network structure. A hydrothermal technology is used to manufacture and acquire an aerogel structure. A specific area of a composite material can be further increased and simultaneously an internal structure of a composite electrode material is improved. A hierarchical porous structure, where a macropore, a mesoporous and a micropore exist, is formed. Specific capacitance performance of an electrode material is further increased.
Owner:FUJIAN XFH NEW ENERGY MATERIALS CO LTD

Method for preparing homogenous barrier layer/frame structure by means of titanium tetrachloride hydrolysis and application thereof

The invention provides a method for preparing a homogenous barrier layer / frame structure by means of titanium tetrachloride hydrolysis and application thereof. The method and the application thereof relate to a photoanode preparing method and application thereof. The method according to the invention and the application thereof aim to settle problems of low electron transferring efficiency and easy photoelectron recombination in a transferring process when an existing meso pore material is used as the photoanode of a sensitized solar cell. The method comprises the steps of 1, preparing a conductive substrate in which impurities are eliminated; 2, preparing a barrier layer by means of TiCl4 hydrolysis; and 3, preparing a TiO2 frame by means of a hydro-thermal system, and obtaining the homogenous barrier layer / frame structure. When the prepared homogenous barrier layer / frame structure is used as the photoanode of an inorganic quantum dot sensitized solar cell, the photoelectric conversion efficiency (PCE) of the inorganic quantum dot sensitized solar cell reaches 5.45-6.24%. Through the method of the invention, the homogenous barrier layer / frame structure can be obtained.
Owner:HARBIN INST OF TECH

Low-temperature oscillation charging control circuit and method for storage battery pack

The invention relates to a low-temperature oscillation charging control circuit and method for a storage battery pack. According to the control circuit, the positive output end of a charger is connected to a positive wiring terminal used for connecting the storage battery pack through an inductor L1, an inductor L2 and a capacitor C1 which are connected in series, and the capacitor C1 is connectedto two ends of a switch K in parallel; the negative output end of the charger is divided into two paths, one path passes through a switching device V and a diode D1, which are in reverse parallel connection, and is connected to a connection node between the inductor L1 and the inductor L2 which are connected in series, the other path is connected to a negative wiring terminal used for connectingthe storage battery pack, and a control pole of the switching device V is connected to a switch control circuit through a driving circuit. The internal resistance increases due to the polarization orvulcanization of the storage battery in the low temperature environment, which results in a phenomenon of no charge or insufficient charge. The oscillation charging method of the invention enables high-frequency alternating current flowing through the battery pack to greatly reduce or eliminate the polarization or vulcanization of the batteries, thereby eliminating the internal resistance of the batteries caused by the low temperature in a targeted manner, reducing the internal resistance of the batteries, promoting the consistency of the internal resistance of the batteries, and further activating the batteries and prolonging the service life of the storage battery pack.
Owner:绍兴和欣控制科技有限公司

Voltage converter and voltage change control method

The embodiment of the invention discloses a voltage converter and a voltage change control method. The voltage converter comprises a plurality of basic unit circuits and a control signal transmissioncircuit, wherein the plurality of basic unit circuits are sequentially cascaded, and each basic unit circuit comprises two bridge arms which are symmetrically arranged and have the same circuit structure. Any one bridge arm comprises the following components: four power switch tubes which are sequentially connected in series; a first position capacitor connected in parallel with the first positionpower switch tube and the second position power switch tube; a second position capacitor connected in parallel with the third position power switch tube and the fourth position power switch tube; anda fifth position capacitor connected in parallel with the second position power switch tube and the third position power switch tube. The control signal transmission circuit is used for generating and sending control signals to control eight power switch tubes in two bridge arms in each of the cascaded basic unit circuits to be switched on by stages, so that the basic unit circuit outputs an input voltage after reducing the input voltage, and the voltage outputted by the basic unit circuit is configured to be obtained based on the number of the basic unit circuits. With the voltage converterand the voltage change control method of the invention adopted, non-inductive voltage change is realized.
Owner:ANHUI POLYTECHNIC UNIV MECHANICAL & ELECTRICAL COLLEGE

Electrolyte for double-electric-layer capacitor

The invention belongs to the field of electrochemistry, and discloses an electrolyte for a double-electric-layer capacitor. The electrolyte for the double-electric-layer capacitor comprises pyrroline ionic liquid and high-carbon fatty alcohol polyoxyethylene ether, and the molar ratio of the pyrroline ionic liquid and the high-carbon fatty alcohol polyoxyethylene ether is 1:0.001-1:0.05. According to the electrolyte for the double-electric-layer capacitor, the affinity of the pyrroline ionic liquid and the diaphragm materials such as PP and PE is small due to high viscosity and large surface tension of the pyrroline ionic liquid, so that the equivalent internal resistance of the double-electric-layer capacitor with the pure pyrroline ionic liquid being used as the electrolyte is large, after the high-carbon fatty alcohol polyoxyethylene ether is added in the pyrroline ionic liquid, due to the fact that the high-carbon fatty alcohol polyoxyethylene ether is a nonionic surface active agent, the affinity of the pyrroline ionic liquid and the diaphragm materials such as the PP and the PE commonly used for capacitors can be increased, and the equivalent internal resistance of the double-electric-layer capacitor is greatly lowered. Therefore, the equivalent internal resistance of the double-electric-layer capacitor is greatly lowered.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

High conductivity electrode material preparation method

The invention discloses a high conductivity electrode material preparation method. The method is characterized by comprising the following steps that firstly, nitrogenous porous carbon precursors are prepared; secondly, drying and heat preservation are conducted; thirdly, ball-milling is conducted; fourthly, electrode materials are prepared. According to the high conductivity electrode material preparation method, fructose, glucosamine hydrochloride and zinc chloride are adopted as raw materials for preparing the precursors, the carbonized temperature of porous carbon is low, the energy is saved, the pore structure and the pore distribution of the porous carbon enable the electrode material of a supercapacitor to be good in electric conduction, the equivalent internal resistance of the capacitor is low, high energy density and power density can be achieved, and therefore a device is enabled to have good rate capability, the preparation technology is simple, the cost is low, and the high conductivity electrode material preparation method is applicable to industrial production.
Owner:于桂菊

Nickel protoxide / silicon nano-wire and use thereof for preparing integrated super capacitor electrode material

The invention discloses a NiO / SiN wire and a method for preparing an integrated supercapacitor electrode material with high performance by adopting the material. The preparation method comprises the following steps: (1) the SiN wire is taken as a framework, a nickel membrane is sedimented on the SiN wire by the electroless plating technique to produce a nickel-silicon nanometer wire composite; and (2) the produced nickel-silicon nanometer wire composite is subject to rapid thermal annealing oxidation treatment. The invention adopts the advantages of the SiN wire that the scale is small, the specific surface is large, the surface atom has a large amount of nonsaturated bonds, and the tensiometric property is great, and takes the SiN wire as the framework for loading the NiO nanometer structure. The NiO / SiN wire has high specific capacitance, low equivalent essential resistance and good charging and discharging properties, is compatible with the integrated circuit technique and can be used for preparing the integrated supercapacitor electrode material with high performance.
Owner:EAST CHINA NORMAL UNIV

Preparation method and application of homogenous barrier layer/frame titanium dioxide structure

The invention relates to a preparation method and application of a photo-anode, in particular, a preparation method and application of a homogenous barrier layer / frame titanium dioxide structure. Theinvention mainly aims to solve the problems of low electron transport efficiency and susceptibility of photoelectrons to recombination of a dye-sensitized solar cell with a mesoporous material-made photo-anode. The method includes the following steps that: 1, an impurity-removed conductive substrate is prepared; 2, a barrier layer reaction liquid is prepared; 3, a barrier layer / substrate is prepared; and 4, a TiO2 frame is prepared, so that the homogenous barrier layer / frame TiO2 structure can be obtained. The homogenous barrier layer / frame titanium dioxide structure prepared by using the preparation method can be used as the photo-anode of a dye-sensitized solar cell. With the method adopted, the homogenous barrier layer / frame titanium dioxide structure can be obtained.
Owner:HARBIN INST OF TECH

Switching switched capacitor ac-ac converter with fixed ratio 1/4 or 4

ActiveCN103580501BControl charge and discharge timeReduce volumeAc-ac conversionCapacitanceInternal resistance
The invention discloses a switched switch capacitor type AC-AC converter with the fixed transformation ratio of 1 / 4 or 4. The switched switch capacitor type AC-AC converter comprises seven capacitors and eight power switch sets, the eight power switch sets are sequentially connected in series, each power switch set comprises two power switch tubes, and the source electrodes of the power switch tubes are connected in series. The two ends of two connected adjacent power switch sets in series are both connected with the capacitors, and a driving circuit is connected with the grid electrode of each power switch set. When the voltage of the converter drops, the input end of the converter is connected to the two ends of the eight power switch sets, and the output end is connected to the two ends of any capacitor. When the voltage of the converter rises, the input end of the converter is connected to the two ends of any capacitor, and the output end is connected to the two ends of the eight power switch sets. According to the switched switch capacitor type AC-AC converter, only the capacitors serve as energy storage elements, magnetic elements are not arranged, the input and output fixed transformation ratio is 1 / 4 or 4, the size of the converter is reduced, and the switched switch capacitor type AC-AC converter has the advantages of being low in equivalent internal resistance, high in power density, small in size, light in weight, high in power efficiency and the like.
Owner:CHINA JILIANG UNIV

Electrolyte and electrical double-layer capacitor

The invention belongs to the field of electrochemistry, and discloses an electrolyte and a capacitor using the electrolyte. The electrolyte comprises hexafluorophosphate ionic liquid and an aza-ether compound with a molar ratio of 1:(0.001-1):0.05. The invention further provides the electrolyte used for the double-layer capacitor, the electrolyte is formed by mixing the hexafluorophosphate ionic liquid with the aza-ether compound, the aza-ether compound can form a coordination compound with PF6-, and accordingly dissociation level of the hexafluorophosphate ionic liquid is increased, conductivity of the hexafluorophosphate ionic liquid is greatly increased, and equivalent internal resistance of the double-layer capacitor is greatly lowered. The aza-ether compound is used as addictive, the conductivity of the hexafluorophosphate ionic liquid can be improved greatly by only needing less than 5% of the total mass of the hexafluorophosphate ionic liquid, the conductivity of the hexafluorophosphate ionic liquid is improved by adding organic solvent so that the hexafluorophosphate ionic liquid which is low in solubility and is dissolved by a great quantity of organic liquid is dissolved, and usage cost of the electrolyte is greatly saved.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Manufacturing method of scale production of double electric layer capacitor

The invention relates to a manufacturing method of double electric layer capacitor volume produce, especially utilizing processing technology of the sheet conductive rubber and isolation rubber to make more than two double electric layer capacitor monomers at once. Its feature is that the conductive rubber and isolation rubber are each formed to sheet, and the isolation rubber is set many corresponding perforated electrode holes sites. Then according to the order as the conductive rubber, the isolation rubber, the perforated electrode, the septum, the isolation rubber, the perforated electrode, the conductive rubber, they are superposed orderly. The perforated electrode is superposed at the destined position at the isolation rubber; then after die cutting processing, more than two double electric layer capacitor monomers are gained. The advantage of the capacitor produce is that the equivalent series connection inner resistance is low, and the uniformity is good. It suits to industrialization volume production.
Owner:SHANGHAI AOWEI TECH DEV

Capacitor with double electric layers and electrolyte for capacitor

The invention belongs to the field of electrochemistry, and discloses a capacitor with double electric layers and electrolyte for the capacitor. The electrolyte for the capacitor with the double electric layers comprises fluoro-fatty acid salt ionic liquid and fluoro-alkyl boride, and the molar ratio of the fluoro-fatty acid salt ionic liquid to the fluoro-alkyl boride ranges from 1:0.001 to 1:0.05. The electrolyte for the capacitor with the double electric layers is prepared by mixing the fluoro-fatty acid salt ionic liquid with the fluoro-alkyl boride, complexes can be formed by the fluoro-alkyl boride and fluoro-fatty acid radicals, accordingly, the dissociation degree of the fluoro-fatty acid salt ionic liquid is increased, the conductivity of the fluoro-fatty acid salt ionic liquid is greatly improved, and equivalent internal resistance of the capacitor with the double electric layers is greatly reduced. Besides, the fluoro-alkyl boride is used as an additive, an effect of greatly improving the conductivity can be realized only by utilizing the fluoro-alkyl boride with the dosage lower than 5% of the total mass, while a large amount of organic liquid is required to dissolve low-dissolvability fluoro-fatty acid salt ionic liquid when organic solvents are added to improve conductivity in the prior art, accordingly, the dosage of the electrolyte for the capacitor with the double electric layers is greatly reduced, and the cost of the electrolyte for the capacitor with the double electric layers is greatly saved.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Electric heating method and electric heating driving circuit

The invention provides an electric heating method and an electric heating driving circuit. The method adopts a good conductor as a heating body, and comprises the steps of converting a power supply into a high-frequency oscillating electric signal, adding the high-frequency oscillating electric signal to the primary side of an isolation transformer, connecting the good-conductor heating body to the secondary side of the isolation transformer, wherein the number of turns of a secondary coil is far less than the number of turns of a primary coil. The heating driving circuit comprises a power supply capable of supplying power to the good conductor. In the invention, the power supply is converted into a high-frequency signal, and then the high-frequency signal is outputted by the secondary soil of the isolation transformer, so that extremely low battery internal resistance is generated, the power supply to the good conductor is realized, the good conductor itself is heated, the heat is directly conducted to the heated material, and the heat efficiency is improved.
Owner:何永平

Electrolyte for double-layer capacitor and preparation method

The invention discloses an electrolyte for a double-layer capacitor. The electrolyte for the double-layer capacitor contains morpholine ionic liquid and polyoxyethylenealkanolamide, wherein the mass ratio of the morpholine ionic liquid to the polyoxyethylenealkanolamide is 1:0.001 to 1:0.05. The invention further discloses a preparation method of the electrolyte for the double-layer capacitor. The equivalent internal resistance of the double-layer capacitor can be greatly reduced.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Charge pump circuit and its control circuit and control method

A charge pump circuit and its control circuit and control method. The method includes: detecting the difference between the output voltage of the charge pump circuit and the input voltage in real time, comparing the current difference between the output voltage and the input voltage with a predetermined expected value of the difference, and outputting an error amplification signal; Generate a control voltage signal for controlling the charge pump circuit according to the error amplification signal, so that when the difference is greater than the expected value of the difference, the frequency of the control voltage signal changes positively with the difference , until the difference converges to the expected value of the difference. The application of this technical scheme can not only improve the response speed of the charge pump circuit, but also reduce the steady-state power of the circuit, which is beneficial to the miniaturization and integration of the chip.
Owner:NANJING SILERGY SEMICON TECH CO LTD

Ultrathin, self-supporting, flexible, all-solid-state supercapacitor and preparation method thereof

The invention discloses an ultra-thin, self-supporting, flexible and all-solid-state super capacitor and a manufacturing method of the ultra-thin, self-supporting, flexible and all-solid-state super capacitor. The super capacitor comprises a position electrode, a solid electrolyte and a negative electrode, wherein the solid electrolyte is located between the positive electrode and the negative electrode to separate the positive electrode and the negative electrode, and the solid electrolyte evenly permeates inside a porous structure of the positive electrode and a porous structure of the negative electrode. The positive electrode and the negative electrode are made of carbon nanometer materials or carbon nanometer composite materials, and the outer side of the positive electrode and the outer side of the positive electrode are not completely embedded by the solid electrolyte and can be used for collecting currents. The thickness of the super capacitor is within the range of 10 nanometers to 10 micrometers, the inner portion of the capacitor is provided with no diaphragm, the outer portion of the capacitor needs no metal current collecting electrode or encapsulation, self-supporting can be realized, and at the same time the capacitor has high specific capacitance, high power density, high energy density, long life and high stability. The super capacitor has the advantages of being superior in performance, simple in manufacturing technology, and capable of satisfying the development demands of flexible, miniature, light electronic products at the same time, and having wide application prospects.
Owner:INST OF PHYSICS - CHINESE ACAD OF SCI

Electrolyte solution for double layer capacitor and preparation method thereof

The invention discloses an electrolyte solution for double-layer capacitors, the electrolyte solution for double-layer capacitors comprises morpholine ionic liquid and polyoxyethylene alkanolamide, the morpholine ionic liquid and polyoxyethylene alkyl alcohol The mass ratio of amides is 1:0.001 to 1:0.05. The invention also discloses a preparation method of the electrolytic solution for double-layer capacitors. The invention can greatly reduce the equivalent internal resistance of the electric double layer capacitor.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Novel three-dimensional silicon structure supercapacitor electrode material and preparation method thereof

The invention provides a novel three-dimensional silicon structure supercapacitor electrode material and a preparation method thereof. The three-dimensional silicon structure is used as a base, an active layer is prepared on its surface, and a charge collection layer is covered on the surface of the active layer; the two-dimensional conductive material of the charge collection layer As the main body, the conductive polymer is used as the binder, and a porous network charge collection layer with high conductivity is prepared on the surface of the active layer. When preparing a large-area electrode material, in order to increase the charge collection efficiency, the metal gate electrode material is evaporated on the surface of the high-conductivity layer. The three-dimensional silicon structure electrode material prepared by the method does not need to consider the conductivity, purity and crystal form of the silicon substrate, and does not need to passivate the silicon surface, which reduces the raw material cost of the silicon electrode material and simplifies the preparation method of the silicon electrode.
Owner:JIANGSU UNIV

Novel three-dimensional silicon structure supercapacitor electrode material and preparation method thereof

The invention provides a novel three-dimensional silicon structure supercapacitor electrode material and a preparation method thereof. The method comprises the steps: taking a three-dimensional silicon structure as a substrate, preparing an active layer on the surface of the substrate, and enabling a charge collection layer to cover the surface of the active layer, wherein the porous network-shaped charge collection layer with relatively high conductivity is prepared on the surface of the active layer by taking a two-dimensional conductive material of a charge collection layer as a main body and a conductive polymer as a binder. According to the invention, when a large-area electrode material is prepared, a metal gate electrode material is evaporated on the surface of a high-conductivity layer in order to improve the charge collection efficiency; and the three-dimensional silicon structure electrode material prepared by the method does not need to consider the conductivity, the purityand the crystal form of the silicon substrate, and does not need to passivate the silicon surface, so that the raw material cost of the silicon electrode material is reduced, and the preparation method of the silicon electrode is simplified.
Owner:JIANGSU UNIV

Electrolyte for double-layer capacitor and preparation method

The invention discloses an electrolyte for a double-layer capacitor. The electrolyte for the double-layer capacitor contains piperidine ionic liquid and polyhydroxy alcohol fatty acid ester, wherein the mass ratio of the piperidine ionic liquid to the polyhydroxy alcohol fatty acid ester is 1:0.001 to 1:0.05. The invention further discloses a preparation method of the electrolyte for the double-layer capacitor. The injection time is short, and the equivalent internal resistance of the double-layer capacitor can be greatly reduced.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

A kind of all-solid wound supercapacitor and preparation method thereof

The invention discloses an all-solid-state winding type supercapacitor and a production method thereof. The supercapacitor comprises a first electrode, a first interlayer, a second electrode, and a second interlayer which are sequentially arranged and wind firmly an integral film, wherein the second interlayer is an outermost layer; and the electrodes employs carbon nanomaterials or carbon nanocomposite materials. In the invention, a concrete scheme and an implementation process are provided for expanding and controlling the electrode size, so that an accommodation area of the electrode is substantially increased and a capacity of the supercapacitor is increase. The first interlayer employs a solid electrolyte to separate the adjacent electrodes, and the solid electrolyte can flatten a surface and bond electrodes during a device assembling process so that the electrodes and the interlayers are bonded in a firmer manner; and the outermost second interlayer can employ the solid electrolyte or an insulating layer. The supercapacitor is made entirely by flexible materials and has the advantages of being good in elasticity, extrusion-resistant, collision-resistant, simple, and portable; and application of the supercapacitor is widened.
Owner:INST OF PHYSICS - CHINESE ACAD OF SCI

Rubidium atomic clock working state detection signal measuring device

The invention discloses a rubidium atomic clock working state detection signal measuring device. The rubidium atomic clock working state detection signal measuring device includes a first resistor, asecond resistor, a third resistor, a fourth resistor, a fifth resistor, a first diode, a second diode, a first operational amplifier and a second operational amplifier, and further includes two RC filters. The rubidium atomic clock working state detection signal measuring device has simple structure and stable performance; and through the combination of the two operational amplifiers and the two diodes, an alternating current detection signal can be converted into a direct current detection signal, and the temperature drift defect of an ordinary diode can be overcome; therefore, the rubidium atomic clock working state detection signal measuring device has lower equivalent internal resistance and temperature sensitivity, and can achieve a detection performance close to an ideal diode.
Owner:WUHAN INST OF PHYSICS & MATHEMATICS CHINESE ACADEMY OF SCI
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