207results about How to "Increase the speed of charging" patented technology

Methods and apparatuses are described for use in preserving and / or recovering the lifetime and charge storage capacity of batteries. The methods include pulse charging, energy juggling, energy leveling, all resulting in extended battery life. Methods of storing batteries for maintaining their capacity at their nominal level for extended periods of time are also presented.

The invention discloses a charging pile. The charging pile comprises an output interface used for being connected with a rechargeable battery, a power supply input unit used for being connected with a power supply grid, a plurality of charging units connected with the power supply input unit and the output interface, and a main controller, wherein the charging units are connected in parallel, the main controller is connected with the charging units and used for receiving required currents from the rechargeable battery, and controls each charging unit to convey the first currents to the output interface, and the product of the first currents and the number of the charging units is equal to the required currents. According to the charging pile, the problem that charging equipment in the prior art is low in charging speed is solved, and the effects of shortening charging time and increasing the charging speed can be achieved.

The invention discloses a lead acid battery taking graphene as an additive, and relates to a lead acid battery technology. The lead acid battery comprises a battery shell, a positive plate grid, a negative plate grid, a partition board and electrolyte, wherein the positive and negative plate grids are positioned in the battery shell; the partition board is positioned between the positive and negative plate grids; and the electrolyte is filled into the shell. The lead acid battery is characterized in that: the positive plate grid is manufactured by coating cathode lead paste and performing curing, drying and formation; the negative plate grid is manufactured by coating anode lead paste and performing the curing, the drying and the formation; and the cathode lead paste or the anode lead paste or both take the graphene as the additive. The lead acid battery provided by the invention takes the graphene material as the additive, can be rapidly charged and discharged, and simultaneously has high capacity and relatively longer charging and discharging circulation service life.

A touch-control apparatus includes a touch-control unit, a sensing unit and an auxiliary voltage supplying unit. The touch-control unit has a touch-control substrate and at least one touch-control electrode layer, which is disposed on a surface of the touch-control substrate. The sensing unit is connected with the touch-control electrode layer of the touch-control unit and outputs a charging signal according to a power signal. The auxiliary voltage supplying unit outputs an auxiliary charging signal to a sensing conductive bar of the touch-control electrode layer, so that the sensing efficiency of the touch-control apparatus can be improved due to the auxiliary charging signal.

Embodiments of the present application provide a method of battery charging, which relates to the field of battery charging and is capable of effectively improving safety performance of the battery. The method includes: obtaining an anode open circuit voltage curve, an anode impedance curve, a lithium deposition potential threshold and a state of charge, corresponding to a battery; determining a current anode open circuit voltage according to the anode open circuit voltage curve and the state of charge; determining a current anode impedance according to the anode impedance curve and the state of charge; determining a current charging current according to the current anode open circuit voltage, the current anode impedance and the lithium deposition potential threshold; and charging the battery according to the current charging current. Embodiments of the present application are applicable to a rapid battery charging process.

The invention discloses a lead-acid storage battery lead paste, comprising a positive lead paste and a negative lead paste, wherein the positive lead paste comprises the following components: regenerated lead powder, red lead, polytetrafluoroethylene, ultra-fine tetrabasic lead sulfate, sodium perborate, graphite, polyester staple fiber, glass fiber, antimonous oxide, dilute sulfuric acid and deionized water; and the negative lead paste comprises the following components: regenerated lead powder, red lead, barium sulfate, barium stearate, sodium lignosulfonate, humic acid, semi-carbonized wood chips, polyester staple fiber, modified graphene, dilute sulfuric acid and deionized water. According to the lead-acid storage battery lead paste disclosed by the invention, the problem of poor over-discharge performance and charge acceptance capability of a storage battery can be improved, and the service life of the storage battery can be prolonged.

A method and apparatus for charging a battery is provided. The apparatus includes: a constant current circuit, a constant voltage circuit and a control circuit. The control circuit is adapted to control the constant current circuit to perform constant current charging to the battery; after a battery voltage during the constant current charging reaches a preset charging limited voltage, control the constant voltage circuit to perform constant voltage charging to the battery; after a charging current during the constant voltage charging becomes smaller than or equal to a predetermined threshold, control the battery to be charged by pulse charging until an open circuit voltage of the battery is larger than or equal to a preset voltage threshold.

A one-transistor (1T) NVRAM cell that utilizes silicon carbide (SiC) to provide both isolation of non equilibrium charge, and fast and non destructive charging / discharging. To enable sensing of controlled resistance (and many memory levels) rather than capacitance, the cell incorporates a memory transistor that can be implemented in either silicon or Sic. The 1T cell has diode isolation to enable implementation of the architectures used in the present flash memories, and in particular the NOR and the NAND arrays. The 1T cell with diode isolation is not limited to SiC diodes. The fabrication method includes the step of forming a nitrided silicon oxide gate on the Sic substrate and subsequently carrying out the ion implantation and then finishing the formation of a self aligned MOSFET.

An inkjet recording system including an inkjet recording head in which a part of wall face of a pressure chamber in which a nozzle is provided is formed of a piezoelectric element, the piezoelectric element being activated and deformed to make pressure wave act on ink in the pressure chamber, thereby discharging an ink droplet from the nozzle, wherein surface of the piezoelectric element forming a part of wall face of the pressure chamber has a centerline average roughness Ra ranging from 0.05 to 2 μm, and contact angle θ with ink is 45 degrees or less, and the following expression (1) is satisfied;A cos2θ>0.04  (1)wherein A represents centerline average roughness Ra (μm) of surface of piezoelectric element forming wall surface of pressure chamber, and θ represents contact angle of ink with respect to piezoelectric element.

The method of manufacturing toner for electrophotography includes the steps of dissolving or dispersing a toner composition containing a resin and a coloring agent into polymerizable monomers to provide a solution or a dispersed system, emulsifying the solution or the dispersed system with a first surface active agent in an aqueous medium to provide an emulsion, and polymerizing the polymerizable monomers in the emulsion to obtain toner. A second surface active agent having polarity opposite to polarity of the first surface active agent is added after the emulsifying step.

A fast charging method, a fast charging system, and a fast charging apparatus for a series battery pack, where the fast charging method including obtaining charge parameters of battery units in a series battery pack, determining, based on the charge parameters, whether there is a differentiated battery unit in the series battery pack, where the differentiated battery unit is a battery unit whose charge parameter is different from a charge parameter of the rest battery units in the series battery pack, and changing the battery units in the series battery pack to a parallel connection when there is a differentiated battery unit in the series battery pack, and performing parallel charging on the battery units. Hence, the fast charging method for a series battery pack can effectively shorten a charging time.

A USB charging circuit includes a mating hub module including a USB input port for the connection of an external computer and a USB main hub control circuit electrically connected to the USB input port, a power supply module including a power supply device and a synchronization / charge mode switching circuit for detecting the power signal output of the USB input port and outputting a corresponding mode judgment signal, and one or multiple output control units each including a USB charging control circuit electrically connected to the USB main hub control circuit, the power supply device and the synchronization / charge mode switching circuit to receive the outputted data signal, power supply and mode judgment signal and a USB output port for receiving the outputted data signal and power supply from the USB charging control circuit so that connected portable electronic devices can be charged or receive data synchronously.

An intelligent charging system is featured as transmitting vehicle information and vehicle position information to traffic information processing and controlling centre by transducer on the vehicle, detecting out driving period and driving distance by the centre at time when vehicle is on toll area, calculating ot charge amount, then deducting that amount from account of the vehicle.

The invention relates to a constant-amplitude impulse current charging method combining positive and negative impulses, belongs to the field of electric power systems and aims to provide a constant-amplitude impulse current charging method combining positive and negative pulses and the constant-amplitude impulse current charging method combining positive and negative impulses is used for solving the problem that a heavy current cannot be continually used for charging rapidly in a charging process. The method comprises the following specific steps: monitoring the SOC (Start of Conversion Pulse) of a direct-current power supply and a storage battery, controlling first-stage frequency modulation impulses and the charging current, controlling first-stage negative impulses, controlling second-stage frequency modulation impulses and negative impulses, and starting performing third-stage impulse current charging on the storage battery when the charge capacity of the rechargeable storage battery is increased to a set value 2; after the SOC is increased continually, charging by virtue of adjusting the cycles and duty ratios of the frequency modulation impulses and the negative impulses continually. By virtue of the constant-amplitude impulse current charging method provided by the invention, the variance of the SOC of the storage battery can be monitored in the process of charging, the cycle and duty ratio of the frequency modulation impulses and the cycle, duty ratio and initial angle of the negative impulses are adjusted in different periods, and the storage battery with a heavy current can be maintained in a minimal adverse effect, so that the charging speed and efficiency of the storage battery can be improved greatly.

The present invention relates to an electronic device and a method for controlling a charging operation of a battery. The charging control method includes charging a battery using a first charging mode, if a current voltage of the charged battery coincides with a predetermined voltage, decreasing an intensity level of a charging current and charging the battery using the decreased charging current intensity, and if the decreased charging current intensity coincides with a predetermined current intensity, converting from the first charging mode to a second charging mode and charging the battery using the second charging mode.

Provided is a method of operating a nonvolatile memory device to perform an erase operation. The method includes applying a composite pulse including a direct current (DC) pulse and a DC perturbation pulse to the nonvolatile memory device to perform the erase operation.

Provided is a fast charging apparatus and method for a vehicle that may simultaneously charge a battery of a vehicle with electricity from at least two chargers through at least two charge connecting units provided to the vehicle.

A USB charging circuit includes a mating hub module including a USB input port for the connection of an external computer and a USB main hub control circuit electrically connected to the USB input port, a power supply module including a power supply device and a synchronization / charge mode switching circuit for detecting the power signal output of the USB input port and outputting a corresponding mode judgment signal, and one or multiple output control units each including a USB charging control circuit electrically connected to the USB main hub control circuit, the power supply device and the synchronization / charge mode switching circuit to receive the outputted data signal, power supply and mode judgment signal and a USB output port for receiving the outputted data signal and power supply from the USB charging control circuit so that connected portable electronic devices can be charged or receive data synchronously.

The present invention provides a fast charging method for battery, including the steps as follows: (1) the battery is charged with a constant current I1 and the charging time is t1; (2) the battery is charged with a constant current I2 and the charging time is t2; (3) the battery is discharged with the constant current I2 and the discharging time is t3, recycling until the voltage reaches a pre-charging voltage of battery; (4) the battery is standed after the voltage reaching the pre-charging voltage of battery, and the rest time is t4, and then the battery is charged with a constant current I3 until the voltage reaching a cut-off voltage of battery, and then the battery is charged with a constant voltage until the current reaching a cut-off current I4; wherein, I2<I1, t2<t1, t3<t1, I2<I3≦I1, I4≦I2. The fast charging method provided in present invention can decrease the polarization in pulse charging phase, increase the time of whole pulse charging phase, improve the charging speed in pulse charging phase, and thus shorten the full-charging time.

The present invention is to provide a toner which can maintain a desired function of an external additive (a function to impart charge stability and flowability to the toner) under a severe usage environment such as high temperature and high humidity (H / H), which has an excellent initial charging speed, which has stable charging ability and flowability over time, which maintains reproducibility of thin lines and is unlikely to cause a deterioration in image quality due to fog or the like even after a large number of prints are continuously printed, and which has excellent printing durability. Also, the present invention is to provide a toner for developing electrostatic images, comprising external additives, and colored resin particles comprising a binder resin and a colorant, wherein the external additives contain external additive A and external additive B, wherein external additive A is fatty acid metal salt particles, and a content of the fatty acid metal salt particles is in the range from 0.01 to 0.5 part by weight with respect to 100 parts by weight of the colored resin particles, and wherein external additive B is spherical colloidal silica particles having a number average primary particle diameter of 30 to 80 nm and being surface-treated with a silane compound having an alkyl group of 8 to 20 carbons, and a content of the spherical colloidal silica particles is in the range from 0.3 to 2.0 parts by weight with respect to 100 parts by weight of the colored resin particles.

A wireless charging receiver which includes a wireless receiving panel provided with a receiving coil, and an aligning detection module including a first magnetic sensor chip array and a first solenoid set, is disposed on the lower portion of an electric automobile. A wireless charging transmitter comprises a wireless transmitting panel provided with a transmitting coil, a matching detection module including a photosensitive chip array, a second magnetic sensor chip array and a second solenoid set, and a driving device used for driving the wireless transmitting panel to move, is disposed on the ground of a parking area. Magnetic sensor chips of the first magnetic sensor chip array and solenoids of the first solenoid set are disposed around the receiving coil. The wireless charging transmitter. The wireless transmitting panel is disposed on the driving device and is driven by the driving device to be moved and aligned.

The invention discloses a double-gun charging pile system with the function of automatic single-double-gun switching and a control method thereof in the field of new energy vehicle charging. The system is composed of a charging cabinet and two split piles. Billing units are arranged in the split piles. An AC-DC charging module, a power allocation unit, two charging control units and two power distribution units are arranged in the charging cabinet; and an alternating-current input terminal is connected with the power allocation unit by the AC-DC charging module. In addition, the method includes: carrying out initialization; carrying out self checking and entering a standby state; and detecting charging states of the pair of guns and entering a single-gun alternating charging mode or a dual-gun simultaneous charging mode based on different states and the like. In the single-gun alternating charging mode, the billing units carry out charging; and in the dual-gun simultaneous charging mode, the billing units send mode switching commands and a charging control unit completes self checking and then enters a charging state. According to the invention, problems of low usage efficiency ofthe dual-gun charging pile and slow single-gun charging by a user are solved; the utilization rate of the charging pile is improved; and a quick charging experience is provided for the user with single gun for charging.

The invention discloses an electric automobile lead acid battery charger. The electric automobile lead acid battery charger comprises a switch power supply circuit and a monitoring and control unit. The switch power supply circuit comprises a power transformer, a rectification circuit and a filtering circuit. The monitoring and control unit comprises a voltage current sensor, a power special-purpose integrated chip and a microcontroller. The monitoring and control unit is used for detecting and adjusting the currents and voltages of the switch power supply circuit. According to the invention, through designing a reasonable charging strategy and a reasonable charging algorithm, the damage to a storage battery is reduced, and the charging speed is accelerated.

An organic light emitting diode (OLED) display device includes a display panel including a plurality of OLED pixels arranged in a matrix form to display an image, and the plurality of OLED pixels each includes a switching thin film transistor (TFT) to switch a data voltage pass supplied from a data line in response to a scan signal input through a gate line, a driving TFT turned on in accordance with a magnitude of a data voltage supplied from the switching TFT to control an amount of light emitted from an OLED, and a variable storage capacitor connected in parallel to a gate electrode of the driving TFT and having a capacitance varying in accordance with a magnitude of a voltage applied to the gate electrode of the driving TFT may increase a charging speed and a charging rate of a data voltage of the OLED pixel. As a result, it is possible to improve threshold voltage compensation efficiency and solve a problem such as non-uniform luminance and an afterimage.