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32results about How to "Increase capacity value" patented technology
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Efficient tuning circuit for on-chip voltage controlled oscillator and method
ActiveUS6927637B1Efficient coarse tuningReduce the valueAngle modulation by variable impedencePulse automatic controlLoop filterVoltage-controlled oscillator
An exemplary tuning circuit is coupled to, a voltage controlled oscillator. The tuning circuit comprises a lock detect monitoring circuit, a VTUNE monitoring circuit and an autotuner circuit. The lock detect monitoring circuit is coupled to a phase locked loop of the voltage controlled oscillator and is configured to determine a state of the phase locked loop. The VTUNE monitoring circuit is coupled to a loop filter of the voltage controlled oscillator and is configured to determine the fine tuning voltage generated by the loop filter. The autotuner circuit is connected to the lock detect monitoring circuit and the VTUNE monitoring circuit and is configured to provide coarse tuning of the voltage controlled oscillator based on the fine tuning voltage and the state of the phase locked loop.
Owner:SKYWORKS SOLUTIONS INC
Profit optimizer
InactiveUS20100161383A1Eliminate associated fixed overhead expenseHigh capacity valueForecastingResourcesCapacity valueProfit optimization
A system and method for analyzing the profitability of a company's products and services and then maximizing that profit is provided. A contribution margin per unit 138 is multiplied times the forecast in units per year 104. The product of this contribution margin per unit 138 times the forecast in units per year 104 is divided by the product of the total capacity hours per standard run 120 quantity and the planned production runs per year 106. The result is the contribution margin per capacity hour 150 which is also defined here as the capacity value analysis 150. The capacity value analysis 150 provides for determining product rationalization, and profitable growth determination, as well as a metric for profit optimization initiatives such as eliminating constraints, customer perceived value, design for manufacturability, reduced production frequency, and reduced setup time.
Owner:BUTLER GLEN ORES
Method for synthesizing nanometer Ni2O3/Co3O4 cathode material on copper sheet current collector through two-step method
InactiveCN104009208AIncrease capacityGood capacity valueElectrode carriers/collectorsSecondary cellsAdhesiveLithium-ion battery
The invention discloses a method for synthesizing a nanometer Ni2O3 / Co3O4 cathode material on a copper sheet current collector through a two-step method. According to the method, a nanowire array directly grows on the current current collector matrix, so that the process treatment is greatly simplified, and an adhesive and a conductive additive are not used in the electrode. The method comprises the following steps: electroplating a nano-scale granular nickel layer on a copper matrix subjected to acid treatment to serve as a seed, generating a nano array through a hydrothermal reaction, and preparing a final product through high-temperature calcining. The proper nickel electroplating time is selected, the combination degree between the substrate and the material is improved, and the nickel is hard to drop, so that the cycling stability of the lithium ion battery is improved. Meanwhile, compared with a nickel plating-free pure Co3O4 array, the Ni2O3 / Co3O4 array has the advantages that the capacity value of unit area is improved. When the electrochemical performance is tested, the prepared cathode material reflects high charging and discharging capacity and long cycle life.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI
Infrared Repeater System
InactiveUS20100258729A1Reduce errorsMinimizes output voltage offsetRadiation pyrometryNon-electrical signal transmission systemsAudio power amplifierRepeater
An infrared sensor includes a photodiode receiving an infrared signal. A first amplifier is connected to the photodiode. A second amplifier is connected to the first amplifier. A DC servo is connected in a feedback loop between the output of the second amplifier and the positive side of the first amplifier. An analog-to-digital signal converter is connected to the second amplifier. An output driver is connected to the analog-to-digital signal converter. The infrared sensor may receive and retransmit an infrared signal and may be incorporated in an infrared repeater system.
Owner:CORE BRANDS
Composite oxide electrode material and producing method thereof, and mixed super capacitor
ActiveCN1674178ADoes not affect electrochemical capacityMultiple slotsElectrode manufacturing processesElectrolytic capacitorsCapacitorComposite oxide
A composite oxide electrode material is composite oxide of Li2Ti3O7 prepared from main metal elements of Li and Ti under simple and easy operated process, the composite oxide of Li2Ti3O7 is orthorhombic structure and specific capacity of the composite oxide is 140mAh / g. The mixed super capacitor made of this composite oxide has high specific capacity and excellent cyclic property.
Owner:SICHUAN INDIGO TECH CO LTD
Dimensioning methods for HSDPA traffic
ActiveUS7746806B2Increase capacity valueError preventionTransmission systemsGrade of serviceRadio access network
A method for determining the capacity that is needed on an lub link to fulfill Grade of Service (GoS) requirements in a Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access Network (UTRAN) for both Dedicated Channel (DCH) traffic and High-Speed Downlink Packet Access (HSDPA) traffic. The method includes determining the bandwidth demand of the HSDPA traffic (ElasticDim); calculating an average bandwidth of the DCH traffic on the lub interface (BW use,avg); setting an initial capacity (Capacity) to the capacity need of the DCH traffic (Capacity DCH), wherein at least the initial capacity will be provided for the DCH traffic in the dimensioned system; and, increasing the value of Capacity until a quality requirement of the HSDPA traffic is fulfilled, the maximum value of Capacity reached being the capacity that is needed for DCH and HSDPA traffic for the lub interface.
Owner:TELEFON AB LM ERICSSON (PUBL)
Lithium ion battery and method for achieving rapid charge of same
InactiveCN106935822AImprove Coulombic efficiencyUniform particle size distributionCell electrodesSecondary cells charging/dischargingAluminium-ion batteryLithium-ion battery
The invention provides a lithium ion battery and a method for achieving rapid charge of the same. The lithium ion battery comprises a positive electrode, a negative electrode and an electrolyte, wherein the negative electrode comprises a modified Li4Ti5O12 negative electrode material, and the Li4Ti5O12 negative electrode material is prepared according to the following method of adding a lithium salt, a titanium source, a carbon source and a metal salt into a dispersion liquid, performing drying to obtain powder after dispersion processing, and performing high-temperature solid-phase synthesis on the powder to obtain the modified Li4Ti5O12 negative electrode material. Carbon-metal joint coating is performed on a Li4Ti5O12 material by the modified Li4Ti5O12 negative electrode material, the Li4Ti5O12 negative electrode material has high conductivity and excellent electrochemical performance, and the cycle stability is greatly improved. Moreover, the invention also provides the method for achieving the rapid charge of the lithium ion battery. 8-15% of lithium ions are embedded into the negative electrode at low current density, the conductivity of the negative electrode material can be effectively improved, and the rapid charge of the battery is achieved.
Owner:XIAMEN UNIV OF TECH
Antenna module
InactiveUS20050231429A1Improve capacity valueMounting area can be reducedLoop antennas with ferromagnetic coreLogperiodic antennasBroadbandCapacitance
The invention is to provide such an antenna module making broadband of transmitting and receiving frequencies, while realizing miniaturization. The invention has a structure comprising a mounting body; a chip antenna having a substrate mounted on the mounting body and a substrate and a couple of terminal parts provided on the substrate; an feeding portion to which one of the terminal parts provided on the mounting body is connected; a open portion to which the other of the terminal parts provided on the mounting body is connected; and a capacitive conductor provided in opposition to the substrate, thereby to make use of a bottom area hidden when mounting the chip antenna so as to increase capacitive components for realizing broadband of the antenna module.
Owner:PANASONIC CORP
Antenna module
InactiveUS7199759B2Increase capacity valueEasy to useLoop antennas with ferromagnetic coreLogperiodic antennasCapacitanceElectrical conductor
The invention is to provide such an antenna module making broadband of transmitting and receiving frequencies, while realizing miniaturization. The invention has a structure comprising a mounting body; a chip antenna having a substrate mounted on the mounting body and a substrate and a couple of terminal parts provided on the substrate; an feeding portion to which one of the terminal parts provided on the mounting body is connected; a open portion to which the other of the terminal parts provided on the mounting body is connected; and a capacitive conductor provided in opposition to the substrate, thereby to make use of a bottom area hidden when mounting the chip antenna so as to increase capacitive components for realizing broadband of the antenna module.
Owner:PANASONIC CORP
Wiring structure, method of manufacturing the same, electro-optical device, and electronic device
ActiveUS7079198B2Increase capacitive valueEasily etchStatic indicating devicesSemiconductor/solid-state device manufacturingElectricityEngineering
The invention provides a wiring structure and a method for manufacturing the same for appropriately establishing an electrical connection between a first conductive layer constituting a part of a laminate and a conductive layer to be electrically connected thereto. The wiring structure can include, on a substrate, a capacitor provided with a first conductive layer, an insulating layer formed on the first conductive layer, and a second conductive layer formed on the insulating layer, a conductive layer electrically connected to the first conductive layer, and a relay layer located below the first conductive layer and the conductive layer, respectively to form a part of laminated structure. The first conductive layer and the conductive layer are electrically connected to each other through the relay layer.
Owner:138 EAST LCD ADVANCEMENTS LTD
Aqueous vinylidene fluoride polymer latex
ActiveUS20140154573A1Increase capacity valueImprove cohesionSecondary cellsElectrode collector coatingMeth-Polymer science
The present invention pertains to an aqueous composition comprising: (A) an aqueous latex comprising at least one vinylidene fluoride (VDF) polymer [polymer (F)] comprising recurring units derived from vinylidene fluoride (VDF) and at least one (meth)acrylic monomer (MA) having formula (I) here below: wherein: —R1, R2 and R3, equal to or different from each other, are independently selected from a hydrogen atom and a C1-C3 hydrocarbon group, and —ROH is a hydrogen atom or a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group, (B) at least one powdery electrode material, and (C) optionally, less than 10% by weight, based on the total weight of the aqueous composition, of at least one organic solvent (S), wherein the polymer (F) in the N aqueous latex is under the form of primary particles having an average primary particle size of less than 1 μm, as measured according to ISO 13321. The present invention also pertains to a process for manufacturing an electrode using said aqueous composition, to an electrode comprising a metal substrate coated on at least one surface with said aqueous composition and to use of said electrode for manufacturing a non-aqueous-type electrochemical device.
Owner:SOLVAY SOLEXIS
Data transmission system and data transmission method
InactiveCN107247679AIncrease capacity valueElectric digital data processingNetwork data managementModem deviceCapacity value
The invention discloses a data transmission system and method. The method is applied to a mobile terminal and an external device connected to the mobile terminal through USB. The mobile terminal includes a first modem connected to a physical subscriber identification card, a first temporary buffer and a second An application processor, a virtual subscriber identity card is embedded in the first modem, and the external device includes a second application processor, a second temporary buffer and a second modem; The transmission data packet is cached in the second temporary buffer for the first application processor to obtain the data packet to be transmitted from the first temporary buffer; the capacity values of the first temporary buffer and the second temporary buffer are equal to the default capacity value and The sum of the increased values, and the sum of the default capacity value and the increased value is greater than or equal to the size of the data packet to be transmitted. The invention solves the problem that the mobile terminal and the external device are prone to crash during the process of transmitting telecommunication card data.
Owner:NUBIA TECHNOLOGY CO LTD
Data transmission system and method
InactiveCN107222429AIncrease capacity valueData switching networksWireless communicationData transmission systemsUSB
The invention discloses a data transmission system and method. The method is applied to a mobile terminal and external equipment connected with the mobile terminal through a USB (Universal Serial Bus). The mobile terminal comprises a first modem which is connected with a first subscriber identification module and a second subscriber identification module, a first temporary buffer area and a first application processor; the external equipment comprises a second application processor, a second temporary buffer area and a second modem; the second application processor is used for acquiring a data packet to be transmitted according to a detected data transmission instruction, and buffering the data packet to be transmitted in the second temporary buffer area, so that the first application processor acquires the data packet to be transmitted from the first temporary buffer area; the capacity values of the first temporary buffer area and the second temporary buffer area are equal to the sum of a default capacity value and an increment value; and the sum of the default capacity value and the increment value is greater than or equal to the size of the data packet to be transmitted. Through adoption of the data transmission system and method, the problem of tendency to system halt in a process when the mobile terminal and the external equipment transmit telecom card data is solved.
Owner:NUBIA TECHNOLOGY CO LTD
Lithium electrodes for lithium-sulphur batteries
InactiveCN107004839AIncrease capacity valueCell seperators/membranes/diaphragms/spacersCell electrodesLiquid mediumPolymer science
The present invention pertains to a process for manufacturing a film, said process comprising: (i) providing a composition [composition (C)] comprising, preferably consisting of: - at least one fluoropolymer [polymer (F)] comprising recurring units derived from at least one fluorinated monomer comprising a -SO 3 M functional group, wherein M is an alkaline metal [monomer (FM)] and - a liquid medium [medium (L)] comprising at least 50% by weight, based on the total weight of said medium (L), of at least one alkyl carbonate; (ii) processing the composition (C) provided in step (i) into a film; and (iii) drying the film provided in step (ii). The present invention further pertains to use of said film in a process for manufacturing a lithium electrode and to use of said lithium electrode in a process for manufacturing a lithium-sulphur battery.
Owner:RHODIA OPERATIONS SAS +1
Tungsten carbide-embedded carbon nanofiber composite membrane and preparation and application thereof
InactiveCN105977459AHigh theoretical lithium storage capacityImprove performanceMaterial nanotechnologyHybrid capacitor electrodesHydrogen atmosphereCarbonization
The invention relates to a tungsten carbide-embedded carbon nanofiber composite membrane and a preparation and an application thereof. The composite membrane is of a three-dimensional porous structure; an ammonium tetrathiotungstate / polyacrylonitrile nanofiber membrane is prepared through electrostatic spinning; and the tungsten carbide / carbon nanofiber composite membrane is prepared through one-step high-temperature carbonization reduction in an argon-hydrogen atmosphere. The tungsten carbide-embedded carbon nanofiber composite membrane is applied as an electrode material of a lithium-ion battery and a super capacitor. The prepared tungsten carbide / carbon nanofiber composite material has excellent conductivity and electrochemical activity.
Owner:DONGHUA UNIV
Aqueous vinylidene fluoride-(meth)acrylic co-polymer latex, electrode and lithium ion secondary battery using the same
ActiveUS10079388B2Increase capacity valueImprove cohesionSecondary cellsElectrode collector coatingLithiumPolymer science
The present invention pertains to an aqueous composition comprising: (A) an aqueous latex comprising at least one vinylidene fluoride (VDF) polymer [polymer (F)] comprising recurring units derived from vinylidene fluoride (VDF) and at least one (meth)acrylic monomer (MA) having formula (I) here below: wherein: —R1, R2 and R3, equal to or different from each other, are independently selected from a hydrogen atom and a C1-C3 hydrocarbon group, and —ROH is a hydrogen atom or a C1-C5 hydrocarbon moiety comprising at least one hydroxyl group, (B) at least one powdery electrode material, and (C) optionally, less than 10% by weight, based on the total weight of the aqueous composition, of at least one organic solvent (S), wherein the polymer (F) in the aqueous latex is under the form of primary particles having an average primary particle size of less than 1 μm, as measured according to ISO 13321. The present invention also pertains to a process for manufacturing an electrode using said aqueous composition, to an electrode comprising a metal substrate coated on at least one surface with said aqueous composition and to use of said electrode for manufacturing a non-aqueous-type electrochemical device.
Owner:SOLVAY SOLEXIS
Mobile terminal and data transmission method thereof
InactiveCN107148052AIncrease capacity valueNetwork traffic/resource managementNetwork data managementCapacity valueModem device
The invention discloses a mobile terminal and a data transmission method. A first processing chip in the mobile terminal comprises a first temporary buffer area and a first modem, a second processing chip comprises a second temporary buffer area and a second modem, the first modem is connected with the second modem through a UART, and capacity values of the first temporary buffer area and the second temporary buffer area synchronously change; the second modem caches an obtained to-be-transmitted data packet in the second temporary buffer area, so that the first modem obtains the to-be-transmitted data packet from the first temporary buffer area; and the capacity values of the first temporary buffer area and the second temporary buffer area are equal to a sum of a default capacity value and an increased value, and the sum of the default capacity value and the increased value is greater than or equal to the magnitude of the to-be-transmitted data packet. When the mobile terminal realizes double LTE communication, and when telecom card data are transmitted between the two processing chips, the problem that the mobile terminal is prone to crash is solved.
Owner:NUBIA TECHNOLOGY CO LTD
Data transmission system and method
InactiveCN107070814AIncrease capacity valueData switching networksWireless communicationCapacitanceModem device
The invention discloses a data transmission system and method. The method is applied to a mobile terminal and an external device connected with the mobile terminal through a USB, the mobile terminal comprises a first modem connected with an entity user identification card and an embedded user identification card, a first temporary buffer and a first application processor, and the external device comprises a second application processor, a second temporary buffer and a second modem; the second application processor obtains a to-be-transmitted data packet according to a detected data transmission instruction and caches the to-be-transmitted data packet in the second temporary buffer, so that the first application processor obtains the to-be-transmitted data packet from the first temporary buffer; and the capacity value of the first temporary buffer and the second temporary buffer is equal to the sum of a default capacity value and an increment value, and the sum of the default capacity value and the increment value is greater than or equal to the size of the to-be-transmitted data packet. By adoption of the data transmission system and method disclosed by the invention, the problem of easy crash in a telecom card data transmission process of the mobile terminal and the external device is solved.
Owner:NUBIA TECHNOLOGY CO LTD
Data transmission system and method
InactiveCN107257567AIncrease capacity valueNetwork traffic/resource managementModem deviceNetwork packet
The invention discloses a data transmission system and method. The method is applied to a mobile terminal and an external device connected with the mobile terminal through a USB. The mobile terminal comprises a first modem connected with a first subscriber identity module card and a second subscriber identity module card, a first temporary buffer and a first application processor. The external device comprises a second application processor, a second temporary buffer and a second modem. The second application processor acquires a to-be-transmitted data package according to a detected data transmission instruction, and caches the to-be-transmitted data package in the second temporary buffer so as to enable the first application processor to acquire the to-be-transmitted data package from the first temporary buffer, wherein capacities of the first temporary buffer and the second temporary buffer are equal to a sum of a default capacity and an increase value, and a sum of the default capacity and the increase value is greater than or equal to the size of the to-be-transmitted data package. When the mobile terminal and the external device transmit telecommunication card data, the mobile terminal is easy to crash. The data transmission system and method solves the above problem.
Owner:NUBIA TECHNOLOGY CO LTD
Preparation method of lithium iron phosphate/carbon nanotube microsphere positive electrode material, positive electrode material and optimization method of aqueous lithium ion capacitor
ActiveCN112447410ANo pollution in the processRaw materials are plentiful and cheapHybrid capacitor electrodesHybrid/EDL manufactureCapacitanceLithium iron phosphate
The invention discloses a preparation method of a lithium iron phosphate / carbon nanotube microsphere positive electrode material, the positive electrode material and an optimization method of an aqueous lithium ion capacitor, and relates to the field of electrochemical energy storage, and the specific scheme is as follows: preparing carbon nanotube microspheres and a lithium iron phosphate precursor solution; carrying out negative-pressure vacuum infiltration on the carbon nanotube microspheres and a lithium iron phosphate precursor solution to obtain a precursor, carrying out drying and high-temperature carbonization treatment to obtain the lithium iron phosphate / carbon nanotube microsphere positive electrode material, and applying the lithium iron phosphate / carbon nanotube microsphere positive electrode material to an optimized aqueous lithium ion capacitor. The preparation method provided by the invention has the advantages of sufficient and cheap selected raw materials, environmental friendliness, high capacity value and stable crystal structure, the experiment cost is reduced, and the product does not pollute the environment. The obtained positive electrode material has a highspecific capacitance value. After the material is used for optimizing the capacitor, the obtained capacitor is good in rate capability and long in cycle life, and the comprehensive electrochemical performance of the capacitor is integrally improved.
Owner:HEILONGJIANG UNIV
Electrode slurry for paper-based supercapacitor, paper-based electrode, preparation method and application
ActiveCN114284075ALarge specific surface areaHigh bonding strengthHybrid capacitor electrodesHybrid/EDL manufactureFiberSupercapacitor
The invention relates to the field of paper-based supercapacitors, and particularly discloses electrode slurry for a paper-based supercapacitor, a paper-based electrode, a preparation method and application. The electrode slurry is composed of a solvent and a solute dissolved in the solvent, and the weight of the solvent is 1.5-2 times that of the solute; the solute comprises the following components in percentage by weight: 85%-95% of an active electrode material, 0.5%-4.5% of a binder, 0.1%-5% of a proppant and 0.1%-8% of a conductive agent; the paper-based electrode comprises a paper substrate, the surface of the paper substrate is coated with the electrode slurry, the paper substrate is made of a long-fiber non-woven paper material, and the thickness of the paper substrate is 50-80 microns. The adhesive force between the electrode slurry and a paper substrate is good, the bonding strength is high, the electrode slurry is not prone to falling off, the electrode slurry is suitable for large-scale production of winding type super capacitors, the prepared paper-based electrode is excellent in conductivity, the surface of the paper-based electrode is provided with a plurality of micropore structures, and the super capacitor has a higher capacity value.
Owner:SHENZHEN JIANGHAO ELECTRON
Mobile terminal and data transmission method thereof
InactiveCN107257566AIncrease capacity valueNetwork traffic/resource managementCapacity valueModem device
The invention discloses a mobile terminal and a data transmission method thereof. A first processing chip in the mobile terminal comprises a first temporary buffer and a first modulator-demodulator, a second processing chip in the mobile terminal comprises a second temporary buffer and a second modulator-demodulator, the first modulator-demodulator is connected with the second modulator-demodulator through a UART, and a capacity value of the first temporary buffer and a capacity value of the second temporary buffer synchronously change; the second modulator-demodulator caches an acquired to-be-transmitted data packet in the second temporary buffer, and therefore the first modulator-demodulator can acquire the to-be-transmitted data packet from the first temporary buffer; and the capacity value of the first temporary buffer and the capacity value of the second temporary buffer are equal to the sum of a default capacity value and an increment value, and the sum of the default capacity value and the increment value is larger than or equal to the size of the to-be-transmitted packet. According to the mobile terminal and the data transmission method, the problem that in the process that the mobile terminal achieves double-LTE communication, the mobile terminal is likely to be crashed when telecom card data is transmitted between two processing chips is solved.
Owner:NUBIA TECHNOLOGY CO LTD
Simple maintenance method for fast-charging capacitive Ni-MH batteries in line operation vehicles
ActiveCN108832209BEasy to judgeQuickly judge the degree of agingElectrical testingCell component detailsNew energyInternal resistance
The invention belongs to the field of new energy automobile storage batteries, and specifically relates to a simple maintenance method for fast charging capacity nickel-metal hydride batteries in lineoperation vehicles. The method comprises the following steps of testing the internal resistance of single batteries in turn, eliminating failed batteries with the internal resistance higher than 200%of the average internal resistance of this type of new batteries; replenishing water to single capacitor batteries in turn taking a battery box as an operation unit, determining replenishing volume according to the internal resistance, sealing; replacing the eliminated failed batteries with standby capacitive nickel-metal hydride batteries matched with the internal resistance of the whole vehicle. The method introduces an internal resistance index to replace the traditional voltage index, so that abnormal batteries or failed batteries are easier to be judged; the cost is low, and the method can directly determine the water replenishment volume for the fast-charging nickel-metal hydride batteries according to the internal resistance, compared with sealed batteries needed for conventional weighing and water replenishment, and the operation saves time and labor; the maintenance effect is obvious. The internal resistance of the capacitive nickel-metal hydride batteries treated by the method provided by the invention is reduced by 10%-60% compared with that before the treatment; the capacity value is increased by 5%-30%.
Owner:淄博国利新电源科技有限公司
Mobile terminal and data transmission method thereof
InactiveCN107277797AIncrease capacity valueInput/output to record carriersNetwork data managementCapacity valueModem device
The invention discloses a mobile terminal and a data transmission method thereof. In the mobile terminal, a first processing chip comprises a first temporary buffer and a first modulator-demodulator; a second processing chip comprises a second temporary buffer and a second modulator-demodulator; the first modulator-demodulator is connected with the second modulator-demodulator by a UART (Universal Asynchronous Receiver / Transmitter); capacity values of the first temporary buffer and the second temporary buffer are synchronously changed; the second modulator-demodulator caches an acquired to-be-transmitted data packet into the second temporary buffer for the first modulator-demodulator to acquire the to-be-transmitted data packet from the first temporary buffer; the capacity values of the first temporary buffer and the second temporary buffer are equal to the sum of a default capacity value and an increment value; and the sum of the default capacity value and the increment value is greater than or equal to a size of the to-be-transmitted data packet. The invention solves the problem that in the process that the mobile terminal implements double LTE (Long Term Evolution) communication, when telecom card data is transmitted between two processing chips, the mobile terminal is easy to crash.
Owner:NUBIA TECHNOLOGY CO LTD
Low-tightness carbonization-free solid electrolytic capacitor paper and preparation method and application thereof
PendingCN114351499AImprove wettabilityIncrease capacity valuePulp beating methodsPaper/cardboardPulp (paper)Paper sheet
Owner:浙江凯恩新材料有限公司 +2
Method for controllably preparing NaVO2 nanosphere sodium storage electrode material
PendingCN111977688AHigh purityHigh reactivityMaterial nanotechnologySecondary cellsElectrical batteryPhysical chemistry
The invention relates to the technical field of nanometer, and discloses a method for controllably preparing a NaVO2 nanosphere sodium storage electrode material. According to the method, a sodium salt and vanadium pentoxide are used as raw materials, and the NaVO2 nanosphere material which is high in purity, uniform in size and regular in morphology is prepared through a method of combining high-temperature sintering and microwave radiation. The specific area of NaVO2 is increased after nanocrystallization, the sodium storage capacity of the material can be effectively improved, and the performance of the material is optimized. The microwave radiation method is added, so that the preparation steps are simplified, the reaction time is shortened, the preparation cost is reduced, and a new thought is provided for synthesis of the sodium ion battery electrode material.
Owner:SUZHOU UNIV OF SCI & TECH
Preparation method of lithium iron phosphate/carbon nanotube microsphere cathode material, optimization method of cathode material and aqueous lithium ion capacitor
ActiveCN112447410BNo pollution in the processRaw materials are plentiful and cheapHybrid capacitor electrodesHybrid/EDL manufactureCapacitanceMicrosphere
The invention discloses a preparation method of a lithium iron phosphate / carbon nanotube microsphere positive electrode material, a positive electrode material and an optimization method of a water-based lithium ion capacitor, and relates to the field of electrochemical energy storage. The specific scheme is: preparing carbon nanotube microspheres and Lithium iron phosphate precursor solution; carry out negative pressure vacuum infiltration of carbon nanotube microspheres and lithium iron phosphate precursor solution to obtain the precursor, after drying and high temperature carbonization treatment, obtain lithium iron phosphate / carbon nanotube microsphere positive electrode material, and It is applied to optimize aqueous lithium-ion capacitors. The preparation method provided by the invention has sufficient and cheap raw materials, is environmentally friendly, has a high capacity value, and has a stable crystal structure, reduces experiment costs, and the product has no pollution to the environment. The resulting positive electrode material has a high specific capacitance value. After the material is used to optimize the capacitor, the obtained capacitor has good rate characteristics and good cycle life, and the comprehensive electrochemical performance of the capacitor has been improved as a whole.
Owner:HEILONGJIANG UNIV
Preparation method of conductive agent material capable of improving comprehensive performance of battery
InactiveCN112467129AImprove performanceLower internal resistanceElectrode collector coatingLi-accumulatorsInternal resistanceCarbon nanotube
The invention discloses a conductive agent material capable of improving the comprehensive performance of a battery. The conductive agent material contains 100 parts of lithium cobalt oxide, 100 partsof nickel cobalt lithium manganate, 100 parts of lithium manganate, 50 parts of carbon nanotubes, 50 parts of a conductive agent and 2 parts of polyvinylidene fluoride. The invention belongs to the technical field of lithium battery material development and application, and particularly relates to a preparation method of a conductive agent material capable of improving the comprehensive performance of a battery, which reduces the comprehensive internal resistance value of the battery, increases the battery capacity value under the same volume according to the proportion of an extreme-lift active substance and prolongs the cycle service life of the battery.
Owner:东莞市煜信恩能源科技有限公司
A kind of high-voltage lithium nickel manganese oxide/graphite lithium ion battery and its manufacturing method
ActiveCN106159345BHigh specific capacityImprove first-time efficiencyFinal product manufactureCell electrodesManganese oxideLithium-ion battery
Owner:GUANGXI NORMAL UNIV
A carbon nanofiber composite membrane embedded in tungsten carbide and its preparation and application
InactiveCN105977459BIncrease capacity valueEasy to makeMaterial nanotechnologyHybrid capacitor electrodesElectrical batteryHydrogen atmosphere
The invention relates to a tungsten carbide-embedded carbon nanofiber composite membrane and a preparation and an application thereof. The composite membrane is of a three-dimensional porous structure; an ammonium tetrathiotungstate / polyacrylonitrile nanofiber membrane is prepared through electrostatic spinning; and the tungsten carbide / carbon nanofiber composite membrane is prepared through one-step high-temperature carbonization reduction in an argon-hydrogen atmosphere. The tungsten carbide-embedded carbon nanofiber composite membrane is applied as an electrode material of a lithium-ion battery and a super capacitor. The prepared tungsten carbide / carbon nanofiber composite material has excellent conductivity and electrochemical activity.
Owner:DONGHUA UNIV
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