Abstract: A power supply system includes a plurality of sweep modules, a defect detecting unit, and a control unit. Each sweep module includes a battery module and a power circuit module. The defect detecting unit detects a defect for each sweep module. The number of sweep modules is greater S (S?2) than a minimum number of sweep modules required for operation. When the number of defective sweep modules in which a defect has been detected is equal to or less than F (2?F?S), the control unit is configured to disconnect the defective sweep modules from a main line and to continuously execute sweep control.

Abstract: This application is directed to an electronic device powered by one or more rechargeable battery cells. The electronic device includes a first negative temperature coefficient (NTC) thermistor proximate to the battery cells, and an open capacitor coupled in parallel with the NTC thermistor. The open capacitor has an open area and two electrodes that are at least partially exposed via the open area and electrically isolated. The electronic device further includes a control circuit coupled to the NTC thermistor and the open capacitor. The control circuit is configured to detect a voltage drop across the NTC thermistor and the open capacitor if conductive liquid enters the open area of the capacitor and electrically connects the two electrodes that are at least partially exposed via the open area.

Abstract: A terminal obtains a parameter from a charger, including at least one of an input voltage value and an output current value of the charger and a temperature value of a charging output port of the charger. When a parameter value is greater than a threshold, the terminal terminates a charging process based on a relationship between a corresponding threshold and at least one of a difference between the output current value of the charger and an input current value of the terminal, a power loss from the charger to the terminal, and a temperature value.

Abstract: The disclosure relates to an autonomous device for tracking the usage time of a generator set, capable of providing an operating time of the generator set. The module includes at least one first sensor (101) capable of measuring a first parameter representing a state of operation of said generator set (9), a data processor furnishing the characteristic information for an operating time, as a function of the first parameter, storage of the characteristic information for an operating time, and a transmitter capable of transmitting the characteristic information for an operating time to a terminal or an external server.

Abstract: This application is directed to an apparatus for providing electrical charge to a vehicle. The apparatus comprises a driven mass, a generator, a charger, a hardware controller, and a communication circuit. The driven mass rotates in response to a kinetic energy of the vehicle and is coupled to a shaft such that rotation of the driven mass causes the shaft to rotate. The driven mass exists in one of (1) an extended position and (2) a retracted position. The generator generates an electrical output based on a mechanical input coupled to the shaft such that rotation of the shaft causes the mechanical input to rotate. The charger is electrically coupled to the generator and: receives the electrical output, generates a charge output based on the electrical output, and conveys the charge output to the vehicle. The controller controls whether the driven mass is in the extended position or the retracted position in response to a signal received from the communication circuit.

Abstract: If a charging quantity charged to a battery pack since switching from discharging to charging is more than or equal to a reference charging quantity, an ECU estimates the SOC from the OCV by referring to a charging OCV. If a discharging quantity discharged from the battery pack since switching from charging to discharging is more than or equal to a reference discharging quantity, the ECU estimates the SOC from the OCV by referring to a discharging OCV. If the electric quantity is less than the reference charging quantity or if the electric quantity is more than the reference discharging quantity, the ECU estimates the SOC from the OCV using a straight line for supplementing SOC-OCV characteristics in a region enclosed by the charging OCV and the discharging OCV.

Abstract: A power supply unit for an aerosol inhaler includes: a power supply able to discharge power to a load for generating an aerosol from an aerosol source; a control unit configured to control the power supply; and a sensor configured to output a value related to a remaining amount of the power supply. The control unit detects a short circuit of the power supply based on an output value of the sensor.

Abstract: A power system includes a plurality of storage battery facilities constructed to be interconnected to an electric power grid, and a multi-storage battery control apparatus configured to control the plurality of storage battery facilities, the plurality of storage battery facilities include a first storage battery facility including at least one first storage battery, and a second storage battery facility including at least one second storage battery, the first storage battery is different from the second storage battery in type, and the multi-storage battery control apparatus is constructed to selectively use the first storage battery facility or the second storage battery facility in accordance with a plurality of different types of application.

Abstract: The invention relates to a method (100) for determining an adjusted state-of-charge (SOC) operating window of a battery pack assembly in a vehicle. The method comprises the steps of determining (120) an energy throughput or an electrical current through put of the battery pack assembly; determining (130) a SOC operating window margin based on said determined energy throughput or electrical current through put of the battery pack assembly;adjusting (140) the SOC operating window in response to the determined SOC operating window margin.

Abstract: A vehicle includes: a PCU cooling system; a PCU that is cooled by the PCU cooling system; a buck converter; an auxiliary battery that is charged through a buck operation of the buck converter; and an ECU that outputs a first target voltage and a second target voltage respectively to the buck converters. The buck converter is disposed inside the PCU, performs a buck operation so that a target voltage is generated, and outputs a stepped-down electric power to a power line. The buck converter is disposed outside the PCU, performs a buck operation so that a target voltage is generated, and outputs a stepped-down electric power to the power line. The ECU sets the target voltage higher than the target voltage when the ECU causes PCU to operate.

Abstract: A system for detecting residue in a two-phase immersion cooling system based on contact resistance. A structure is formed to represent a type of connection between a component and a connector. The structure is positioned near a heat source in the two phase fluid in its liquid state. As the fluid boils, residues are deposited on the structure. An increase in the current resistance across the structure may indicate the presence of a residue or corrosion caused by the residue. Structures may be formed using materials that are similar to existing connections in the information handling system. A heating element may generate more heat than existing components such that the system detects the presence of contaminants with sufficient time to allow less expensive and less intensive corrective measures.

Abstract: A balance charging method and a charging device are provided. The method includes: obtaining a voltage parameter of a plurality of battery cells; determining a control parameter set according to a first value relationship between the voltage parameter and a plurality of first threshold values, wherein the control parameter set includes a plurality of second threshold values; determining a charging rule of balance charging according to a second value relationship between the voltage parameter and the second threshold values; and performing the balance charging on the battery cells according to the charging rule.

Abstract: A battery pack includes: a plurality of battery cells, each including a negative electrode and a positive electrode, the positive and negative electrodes being arranged on a same side of the battery cell; a substrate arranged on the plurality of battery cells and including a first surface and a second surface located on opposite sides of the substrate, and a through hole exposing the negative electrode and the positive electrode of each of the plurality of battery cells; a first conductive plate arranged on the first surface of the substrate and including a first hole; and a second conductive plate arranged on the second surface of the substrate and including a second hole.

Abstract: In a storage battery system charging control device, on the basis of estimated temperature data until the end of life of a storage battery calculated by a power estimation unit, an ambient temperature estimation unit, and a temperature estimation unit, and a deterioration coefficient stored in a data storage unit, a capacity retention calculation unit sequentially calculates capacity retention data with respect to each state of charge until the end of life of the storage battery, using the state of charge as a parameter. A cumulative capacity calculation unit calculates a cumulative capacity corresponding to each state of charge, on the basis of the rated capacity of the storage battery and the capacity retention data. A charging control voltage determination unit determines charging control voltage on the basis of the cumulative capacities calculated by the cumulative capacity calculation unit.

Abstract: A battery management unit capable of more reliably turning off a high-voltage relay. A battery management unit 1 includes a high-voltage relay 5 serving as a switch unit that turns on/off electrical connection between a high-voltage battery 102, which is a secondary battery, and an external device, and a power source IC 6 serving as a disconnection control unit having a first disconnection processing function of turning off the high-voltage relay 5 at the time of abnormality of the battery management unit 1 and a second disconnection processing function of detecting an abnormality of the first disconnection processing function and turning off the high-voltage relay 5.

Abstract: Disclosed is a power supply device including a battery having an exhaust valve that opens when an internal pressure becomes higher than a set pressure, the battery being housed in a case, a temperature sensor that detects a temperature in the case, and a detection circuit that detects opening of the exhaust valve at a detected temperature detected by the temperature sensor. In this power supply device, the detection circuit detects that a high temperature time (t1) from a timing at which a rate of rise (?T/?t) of the temperature detected by the temperature sensor is higher than a rise rate set value and exceeds the rise rate set value to a timing at which the detected temperature falls to less than or equal to a reference temperature is longer than a high temperature time set value, and detects the opening of the exhaust valve.

Abstract: The disclosure relates to a charging system for charging an electrical energy storage device in an electric vehicle. The charging system includes: an input for an alternating current, which is provided with a source of electrical energy, at least one transformer element for transforming the alternating current into a direct current, and a charge output for connecting the charging system to the electric vehicle. The charging system is configured to connect the at least one transformer element to the charge output for charging the electrical energy storage device with direct current. The charging system is further configured to connect the input to the charge output for charging the electrical energy storage device with alternating current.

Abstract: A power supply unit for an aerosol generation device is provided. The power supply unit includes an internal power supply configured to hold power supplied to a heater configured to heat an aerosol source, a first connector connectable to an external power supply including a second connector including a first power supply terminal and a second power supply terminal, the first connector including a third power supply terminal and a fourth power supply terminal, and a polarity unification circuit. The polarity unification circuit includes four diodes to enable the first connector to be connected to the second connector of the external power supply in different directions.

Abstract: A press device subjects a material to pressing using an upper die and a lower die. The press device includes a slide, a bolster disposed below the slide, a servomotor configured to drive the slide, a plurality of capacitor units, and a control unit. The upper die can be attached to a lower face of the slide. The lower die can be placed on the bolster. The capacitor units include a plurality of electric double layer capacitors. The plurality of capacitor units are configured to be able to supply stored electric power to the servomotor. The control unit executes an operation mode in which pressing is performed using capacitor units other than unused capacitor units when the plurality of capacitor units have been set so that at least a portion of the capacitor units are not used.

Abstract: Disclosed is a technique capable of improving the life span of a battery by managing the charging of the battery. The battery charging management apparatus includes a degradation rate estimating unit configured to estimate a degradation rate of a secondary battery; a ceiling calculating unit configured to calculate a charge ceiling voltage based on the degradation rate estimated by the degradation rate estimating unit; a charge control unit configured to control the charging of the secondary battery so that the secondary battery is charged only up to the charge ceiling voltage calculated by the ceiling calculating unit; and a memory unit configured to store information required for operating at least one of the degradation rate estimating unit, the ceiling calculating unit and the charge control unit.

Abstract: A wireless charging device, a wireless charging method, and a device to be charged are provided. The wireless charging device includes a wireless transmission circuit, a first communication control circuit, an external interface, and a wireless data transmission circuit. The wireless charging method includes conducting, by a wireless charging device, wireless communication with a device to be charged during wireless charging to adjust transmission power of a wireless transmission circuit of the wireless charging device, to make at least one of an output voltage and an output current of a wireless reception circuit of the device to be charged match a present charging stage of a battery of the device to be charged.

Abstract: A vehicle includes an engine, an electric machine, a battery, accessory devices, an electrical outlet, an inverter, and a controller. The engine and the electric machine are each configured to propel the vehicle. The inverter is configured to deliver power from the battery or the electric machine to the accessory devices or the electrical outlet. The controller is programmed to adjust the power being delivered by the inverter to the electrical outlet based on a discharge power capacity of the battery, a power output capacity of the engine, a power output capacity of the electric machine, and the power being drawn from the inverter via the accessories.

Abstract: An apparatus and method for diagnosing a short circuit accident occurring at a positive electrode contactor of a battery pack. This apparatus diagnoses a positive electrode contactor of a battery pack, which includes a positive electrode contactor provided on a charge-discharge path connected to a positive electrode terminal and a negative electrode contactor provided on a charge-discharge path connected to a negative electrode terminal.

Abstract: A shunt resistor module which is coupled to a printed circuit board to be used for current measurement, includes: a resistor portion configured to have predetermined resistance; at least two terminal portions configured to extend from opposite ends of the resistor portion; lead pins fixed to first sides of the terminal portions to protrude to be electrically connected to the printed circuit board; and an exterior member formed to at least partially cover first surfaces of the terminal portions and to have pin holes opened to expose the lead pins and screw holes formed to be screwed to the printed circuit board.

Abstract: An example method is provided for detecting and classifying foreign objects, performed at a computer system having one or more processors and memory storing one or more programs configured for execution by the one or more processors. The method includes obtaining a plurality of electrical measurements while a wireless-power-transmitting antenna is transmitting different power beacons. The method also includes forming a feature vector according to the plurality of electrical measurements. The method further includes detecting a presence of one or more foreign objects prior to transmitting wireless power to one or more wireless power receivers by inputting the feature vector to trained one or more classifiers, wherein each classifier is a machine-learning model trained to detect foreign objects distinct from the one or more wireless power receivers.

Abstract: A circuit protection system is provided herein that minimizes the disconnection time of a circuit while protecting other electrical components. Some configurations comprise a set of parallel circuit interruption devices, each connected in series with respective fuses. A control device sets a state of the circuit interruption device based on a current of the circuit. Under certain current loads, the circuit is interrupted without causing a fuse to blow. Under other current loads, the circuit is interrupted by having one or more fuses blow.

Abstract: A modular and portable charging station according to various aspects of the present technology may include a main chassis body that is fully assembled at one location and then transferred as a whole to a desired location and placed into operation without the need for significant site modification, or connection to the electric power grid. The interior of the main chassis body may contain one or more removable charging stations and at least one removable battery bank. The battery bank provides each charging station with electrical power to charge a vehicle battery system. The portable charging station may comprise its own onboard power supply configured to use renewable sources to maintain a charge to the battery bank. The portable charging station may also be configured to be connected to a local power source that is connected to the local power grid. A power management system monitors the charge level of the battery bank and is able to select an appropriate method of recharge.

Abstract: A system includes a vehicle including a motive electrical power path; a power distribution unit including: a current protection circuit disposed in the motive electrical power path, the current protection circuit including a fuse and a contactor in a series arrangement with the fuse; a high voltage power input coupling including a first electrical interface for a high voltage power source; and a high voltage power output coupling including a second electrical interface for a motive power load, where the current protection circuit electrically couples the high voltage power input coupling to the high voltage power output coupling.

Abstract: A battery pack charger system includes one or more charging ports for charging one or more removable battery packs. A set of indicators may be arranged on a housing, with a subset of the set of indicators being associated with each charging port. Each subset of indicators may output an indication of a state of charge of a battery pack received in an associated charging port of the charger system. A first indication may indicate that the battery pack is charging. A second indication may indicate that the battery pack has achieved a preset level of charge. A third indication may indicate that the battery pack has achieved a substantially full level of charge.

Abstract: A method includes receiving current measurements from at least one current sensor configured to measure current of a battery system in communication with a power distribution network having a power plant. The method also includes receiving voltage measurements from at least one voltage sensor configured to measure voltage of the battery system and temperature measurements from at least one temperature sensor configured to measure temperature of the battery system. The method includes determining an impedance parameter of the battery system based on the received measurements, a temperature parameter of the battery system based on the received measurements, a predicted voltage parameter based on the impedance parameter, and a predicted temperature parameter based on the temperature parameter. The method includes commanding the battery system to charge power from the power plant or discharge power from the power plant based on the predicted voltage parameter and the predicted temperature parameter.

Abstract: A method of determining the state of charge (SOC) of a battery. The method may employ a transformation technique that linearizes a nonlinear model by converging close to a measured value and thereby estimating the state of charge accurately without affecting the computation time and load on the system. The transformation technique employs an adaptive unscented Kalman filter (UKF).

Abstract: A semiconductor device that enables lower power consumption and data storage imitating a human brain is provided. The semiconductor device includes a control unit, a memory unit, and a sensor unit. The memory unit includes a memory circuit and a switching circuit. The memory circuit includes a first transistor and a capacitor. The switching circuit includes a second transistor and a third transistor. The first transistor and the second transistor include a semiconductor layer including a channel formation region with an oxide semiconductor, and a back gate electrode. The control unit has a function of switching a signal supplied to the back gate electrode, in accordance with a signal obtained at the sensor unit.

Abstract: Methods and apparatus for detecting open circuit fault conditions in a battery pack containing parallel cells include providing a first control signal to a close FET in parallel with a resistive element, the resistive element being in series with a first battery cell in a first cell path between the terminals of the battery pack, the first cell path being in parallel with a second cell path including a second battery cell. While the FET is closed, a test load is applied across the terminals and a first voltage measurement is obtained at a test point in the battery pack. The methods include providing a second control signal to open the FET, applying the test load across the terminals, obtaining a second voltage measurement at the test point, and determining whether a difference between the first and second voltage measurements indicates an open circuit fault condition in the battery pack.

Abstract: A vehicle power supply system configured to be charged by an electric vehicle (EV) charging station that performs charging with a voltage equal to or more than a predetermined lower limit voltage. The vehicle power supply system includes a battery having a rated voltage lower than the lower limit voltage; a capacitor electrically connected in series to the battery, wherein a sum of the rated voltage of the battery and a rated voltage of the capacitor is greater than the first voltage; and an interface configured to receive electric power from the EV charging station. The vehicle power supply system also includes circuitry configured to receive electric power from the EV charging station, and charge the battery and the capacitor using the received electric power.

Abstract: A wireless charging device, a wireless charging method, and a device to be charged are provided. The wireless charging device includes a wireless transmission circuit, a first communication control circuit, an external interface, and a wireless data transmission circuit. The wireless charging method includes conducting, by a wireless charging device, wireless communication with a device to be charged during wireless charging to adjust transmission power of a wireless transmission circuit of the wireless charging device, to make at least one of an output voltage and an output current of a wireless reception circuit of the device to be charged match a present charging stage of a battery of the device to be charged.

Abstract: A distributed battery power system having a battery pack and a battery controller. The battery pack has: a plurality of cells configured to generate a plurality of cell voltages; a voltage current temperature module electrically connected to the plurality of cells; and a plurality of isolation switch sets electrically connected between the plurality of cells. The battery controller is in communication with the voltage current temperature module, and operable to: send a status request to the voltage current temperature module; receive the plurality of cell voltages from the voltage current temperature module in response to the status request; determine if the plurality of cells includes one or more problem cells in response to the plurality of cell voltages; and perform an action in response to determining that the one or more problem cells are present to prevent damage to the one or more problem cells.

Abstract: A device and a method for equalizing and precharging a cell module, which may form a circuit for performing a corresponding operation by a converter unit by selectively connecting the converter unit and one or more cell modules by controlling a conduction state of a switching unit based on an operation which the converter intends to perform.

Abstract: An apparatus and method for diagnosing a watchdog timer is provided. The watchdog timer is used to detect and recover from a malfunction of a battery management system. Before entering a shutdown mode in response to a shutdown command from an external device, the apparatus outputs an invalid trigger signal to the watchdog timer and diagnoses a malfunction of the watchdog timer depending on whether the watchdog timer outputs a reset signal.

Abstract: A lithium-sulfur battery comprises a cathode electrode comprising from 80% to 100% lithium polysulfide based on the total weight of sulfur adsorbed at the cathode when the lithium sulfur battery is fully charged, and a high specific surface area electrically conductive material. An anode electrode comprises lithium. A porous and electrically insulating membrane is provided between the cathode and the anode electrodes. An electrolyte is adsorbed into and between cathode electrode, the anode electrode, and the membrane. A cathode current collector is electrically connected to the cathode and an anode current collector is electrically connected to the anode. A porous and electrically conductive interlayer can be provided between the membrane and at least one selected from the group consisting of the cathode and the anode. A method of making a battery is also disclosed.

Abstract: A voltage detection integrated circuit may include: a voltage detection circuit electrically connected to a plurality of cells to detect a cell voltage of a corresponding one of the plurality of cells; a plurality of cell balancing switches configured to conduct or block a flow of a balancing current of a corresponding cell among the plurality of cells; a temperature sensor configured to detect an internal temperature of the voltage detection integrated circuit; and a controller configured to differently select a number of cell balancing switches that are simultaneously turned on depending on the internal temperature, and to turn on the selected switches, when the internal temperature is below a first threshold value.

Abstract: A battery system includes a battery pack including a plurality of cells, and an ECU. The ECU calculates a current distribution in each cell using a ladder circuit network model, the ladder circuit network model being obtained by geometrically modeling an interior of the cell using a plurality of resistance elements and a plurality of power storage elements. The ECU calculates the current distribution in the cell by applying, to the ladder circuit network model, a resistance distribution in the cell calculated based on a salt concentration distribution in the cell.

Abstract: A charging control device includes: a battery state detector configured to detect a cell voltage of at least one cell of a battery and a charging current between the battery and a charging device; and a controller configured to perform a cell over voltage protection (COVP) function on the battery based on a cell over voltage protection voltage, and to vary the cell over voltage protection voltage in response to the charging current.

Abstract: A battery management system (103) for a battery (100) comprising a plurality of battery cells (101, 102) connected in parallel with each other. The battery management system comprises an electronic circuit (104) for connection across at least one of the plurality of battery cells. The electronic circuit comprises a charge storage device (105) and a switching device (106). The switching device switches the circuit between a first state in which charge is discharged from the at least one battery cell and directed to the charge storage device and a second state in which charge is discharged from the charge storage device and directed to the at least one battery cell. The switching device is arranged to repeatedly switch the circuit between the first state and the second state to cause the at least one battery cell to undergo pulsed charging and discharging to and from the charge storage device.

Abstract: A control apparatus is configured to control an all solid state battery, the all solid state battery includes a laminated body in which a cathode, an anode and a solid electrolyte layer are laminated, the control apparatus is configured to execute a control operation for controlling a temperature distribution of the all solid state battery in a plane that intersects with a laminated direction of the laminated body so that a difference between a resistance value of a first part of the all solid state battery and a resistance value of a second part of the all solid state battery is smaller than the difference in the case where the control operation is not executed.

Abstract: Various embodiments of the present technology may provide methods and apparatus for a battery. The apparatus may be configured to autonomously select an appropriate battery profile for a given battery. Autonomous selection may be achieved by measuring the time that the battery voltage is within a specified range and comparing the time results to a reference table having known battery data.

Abstract: A system includes a transmitter circuit coupled to an input power source, a transmitter coil coupled to the transmitter circuit, a receiver coil magnetically coupled to the transmitter coil, a rectifier coupled to the receiver coil and configured to convert an alternating current voltage into a direct current voltage, and a high efficiency power converter comprising a first stage and a second stage connected in cascade between the rectifier and a battery, wherein the first stage is configured to charge the battery, and the second stage is configured to provide isolation between the first stage and the battery.

Abstract: A battery protection system includes a sensor, a primary protection circuit, coupled to the sensor, and a secondary protection circuit, coupled to the primary protection circuit and the sensor. The sensor is configured to generate a sense signal indicative of temperature in a battery pack when the sensor is activated. The primary protection circuit is configured to generate a synchronizing signal in a first state or a second state, sample the sense signal when the synchronizing signal is in the first state, and provide primary protection to the battery pack based on the sense signal. A secondary protection circuit is configured to be controlled by the synchronizing signal, sample the sense signal when the synchronizing signal is in the second state, and provide secondary protection to the battery pack based on the sense signal.

Abstract: A protection circuit for a battery includes a discharge FET, a control circuit, a first small-signal FET, and a second small-signal FET. The discharge FET connected in series to a battery interrupts an electric current. The control circuit switches on or off the discharge FET. The first small-signal FET connected in parallel between a gate (G) and a source (S) of the discharge FET is switched to an ON state, to set a gate voltage of the discharge FET to an OFF-state voltage. The second small-signal FET connected in parallel between G and S of the discharge FET detects a voltage between a drain (D) and S of the discharge FET. When the voltage between D and S of the discharge FET exceeds a preset voltage, the second small-signal FET is switched to an ON state to set the gate voltage of the discharge FET to the OFF-state voltage.

Abstract: A power supply system includes a controller, and a plurality of battery modules. The battery modules are connected in series, according to a gate drive signal from the controller, to provide series connection, and each of the battery modules has a disconnecting device configured to force the battery module to be disconnected from the series connection. The controller is configured to estimate the internal resistance of the battery module disconnected from the series connection by the disconnecting device, from a module voltage of the battery module before the battery module is disconnected from the series connection, a module voltage immediately after the battery module is disconnected, and a module current delivered from the battery module.

Abstract: A battery system comprising multiple battery packs. A battery pack of the battery packs includes a battery, voltage sense circuitry, a control circuit, a control switch and current regulation circuitry. The voltage sense circuitry senses a battery voltage of the battery and an input voltage of the battery pack. The control circuit is coupled to the sense circuitry and is operable for adjusting a level of a reference signal based on attribute data associated with the battery pack and a difference between the battery voltage and the input voltage. The control switch is operable for passing a battery current flowing through the battery. The current regulation circuitry is coupled to the control circuit and the control switch, and is operable for controlling the control switch to regulate the battery current according to the reference signal.