Abstract: An electronic apparatus includes a secondary battery, a first power feeder, a second power feeder, and a processor. The first power feeder feeds power to the secondary battery. The second power feeder feeds power to the secondary battery at a current larger than a current fed by the first power feeder. The processor detects a voltage of the secondary battery, and determines a remaining power of the secondary battery based on a comparison of the detected voltage with first or second reference values. The first reference value is a predetermined value set in accordance with the current fed by the first power feeder. The second reference value is a predetermined value set in accordance with the current fed by the second power feeder, and is higher than the first reference value.

Abstract: A portable device includes: a modem configured to perform power line communication with a charger external to the portable device; and a charging circuit configured to, from first power provided by the charger, charge a battery and supply power to an electrical load, wherein the charging circuit is further configured to cut off the supply of the first power to the electrical load and supply second power from the battery to the electrical load.

Abstract: A strategy selection method for estimating a charge time includes, when a target state of charge for a traction battery is a full charge, establishing an estimated time required to charge the traction battery using a first strategy, and when a target state of charge for the traction battery is less than a full charge, establishing the estimated time required to charge the traction battery using a different, second strategy.

Abstract: In an embodiment, a semiconductor device is disclosed that includes a wired input/output, a wireless input/output, and a battery. A wired charging path between the wired input/output and the battery includes a first transistor and a second transistor. A wireless charging path between the wireless input/output and the battery includes a third transistor and the second transistor.

Abstract: A battery system comprising a controller and a solid-state lithium secondary battery, wherein, the controller estimates an end part cathode potential Ve2 from a voltage relaxation amount ?V2; the end part cathode potential Ve2 is a local potential of an end part of the cathode; and the voltage relaxation amount ?V2 is generated by diffusion of, into the non-facing part of the anode, lithium transferred to the facing part of the anode from the cathode of the solid-state lithium secondary battery is a charged state, and wherein the controller controls execution and inexecution of charging of the solid-state lithium secondary battery so that the end part cathode potential Ve2 is equal to or less than a potential Vlimit at which a change in crystal structure of the cathode active material occurs.

Abstract: The battery inspection method includes the following. Self-discharging the battery to be inspected until a predetermined time elapses from the start of self-discharging. Detecting a voltage, a current, a temperature of the battery and an ambient temperature when the predetermined time elapses. Perform a preliminary step prior to self-discharge of the battery. Obtain preliminary step information representing the execution conditions of the preliminary step. Calculating the current convergence value from the acquired preliminary step information, the detected voltage, current, and temperature, and the detected ambient temperature by referring to a predetermined correspondence between the preliminary step information, the voltage, current, and temperature of the battery at the time when the predetermined time elapses, the ambient temperature, and the current convergence value. Determining whether a short circuit failure of the battery has occurred based on the calculated current convergence value.

Abstract: A lithium metal electrode having an artificial interphase layer is provided. The artificial interphase layer conducts lithium ions but is nonconductive of electrons. A method to prepare the lithium metal electrode is also provided. A solid state electrochemical cell containing the lithium metal electrode is provided. A solid state lithium-sulfur electrochemical cell is provided which has a sustained discharge capacity of about 3 mAh/cm2.

Abstract: The invention discloses a battery device, a detection method thereof, and a screening method and device of a battery unit. A difference between characteristic values of any two battery units in the target charge state within a first preset range is controlled. Through the difference in overpotential of different battery units, the polarization difference between different battery units is reflected, thus reflecting the consistency difference between different battery units. The solution may dynamically monitor the consistency of various battery units, which may reflect the consistency of the battery unit during use, realize the online monitoring of the battery unit, and provide guidance for use of the battery device in subsequent process.

Abstract: A method for determining a remaining charging time of a battery. The method includes obtaining a first charging current and a second charging current. The first charging current is a present charging current of the battery, and the second charging current is a charging current of the battery when the battery is fully charged. The method further includes determining an average charging current value based on the first charging current and the second charging current, and determining the remaining charging time based on the average charging current value.

Abstract: A battery management apparatus and method according to an embodiment of the present disclosure estimates an internal state of a battery cell by updating a battery model, and it is aimed to provide a battery management apparatus and method, which may construct a battery model optimized for a battery cell by obtaining a parameter of the battery model through a neural network and then repeatedly updating the parameter of the battery model based on a difference between an output value of the battery model that reflects the obtained parameter and an actually measured value, and control charging of the battery based on the optimized battery model.

Abstract: A method for energy harvesting and charging energy storage devices is provided. The method uses a voltage converter system and includes the steps of monitoring a parameter VBatt1 indicative of a charging level of a first rechargeable storage device and of maintaining this parameter VBatt1 between a lower and an upper threshold value. The method further includes steps of charging a second rechargeable storage device and operating the voltage converter system for transferring charges from the second to the first rechargeable storage device. An integrated circuit for energy harvesting is provided in which a terminal connectable with a second rechargeable storage device is switchably coupled to both the input and the output of the voltage converter system.

Abstract: A battery charging system determines a current condition of a battery in real time and dynamically determine a threshold voltage for controlling a charging mode of the battery based on the current battery condition. The battery charging system charges the battery using a constant current (CC) mode or constant voltage (CV) mode based on the battery voltage and the dynamically determined threshold voltage. The battery charging system can determine the voltage and current of the battery in real time without receiving information on the battery from the power receiving side of the battery charging system.

Abstract: In a method for determining the support of an energy content and a power of a battery for an electric vehicle, the method includes: measuring a voltage of the battery; comparing the voltage of the battery with a predetermined threshold voltage and determining whether or not the voltage is equal to or larger than the predetermined threshold voltage; determining an internal resistance of the battery; comparing the internal resistance of the battery with a predetermined threshold resistance and determining whether or not the internal resistance is equal to or less than the predetermined threshold resistance; and determining the energy content and the power of a battery of an electric vehicle is supported in response to both the voltage being equal to or larger than the predetermined threshold voltage and the internal resistance being equal to or less than the predetermined threshold resistance.

Abstract: Devices, methods, systems, and computer-readable media for calculating a battery lifetime of an electric vehicle are described herein. One or more embodiments include receiving via a wide area network, at a network computing device, actual battery use data of a specific electric vehicle, expected battery use data, and battery use data from each of a one or more network connected electric vehicles and calculating an estimated lifetime of a battery of the specific electric vehicle based on the actual battery use data, the expected battery use data, and the battery use data from the one or more network connected electric vehicles.

Abstract: A bidirectional portable energy storage power supply without an adapter includes an energy storage unit, a first full bridge circuit, a resonant network, a second full bridge circuit, a third full bridge circuit and a charging and discharging interface circuit connected in turn. Each of the first full bridge circuit, the second full bridge circuit and the third full bridge circuit can be used as an inverter circuit or a rectification circuit, the charging and discharging interface circuit switchably connected with a mains network and a workload, the resonant network combined with the first full bridge circuit or the second full bridge circuit to implement soft-switching. The present disclosure can implement to bidirectionally charge and discharge the portable energy storage power supply by omitting an external adapter thereof, to improve a charging and discharging conversion efficiency, shorten a charging time and reduce a volume of power supply.

Abstract: According to the method and system of the present invention, a power management system regulates the power provided to various individual on-board vehicle systems in response to detection of vehicle operating conditions and overall anticipated vehicle energy requirements for completion of a planned route, with the objective of conserving as much energy as necessary for the vehicle to reach its planned destination.

Abstract: Provided is a charging device including a plurality of battery pack connection parts, the charging device capable of performing appropriate charging when charging is performed while switching a charging target battery pack. A microcomputer 90 can alternatively execute a first mode and a second mode as a control mode when the battery pack is connected to a plurality of the battery pack connection parts 6a to 6d. In the first mode, the charging target battery packs are switched before being fully charged and sequentially charged. In the second mode, the charging target battery packs are fully charged and then switched and charged. At each switching, the type or the state of the charging target battery pack is detected.

Abstract: The present invention provides a semiconductor package, comprising: a support part; a semiconductor chip provided on the support part and including a plurality of signal pads; a buffer layer provided on the semiconductor chip; an adhesive layer provided on the buffer layer; a pressure-reducing layer provided on the adhesive layer; and a mold layer provided on the pressure-reducing layer.

Abstract: A booster is mounted on a vehicle having an idle stop function. The booster boosts an input voltage supplied from a battery, and outputs the boosted input voltage to an in-vehicle device. The booster includes a booster circuit and an output voltage sensor. The booster circuit is a chopper-type, and includes a reactor having one end connected to the battery and a switching element connected between an other end of the reactor and a ground. The output voltage sensor detects an output voltage of the booster circuit.

Abstract: A battery system includes, a main battery, an inlet connected to an external charger through an outlet, a bidirectional on-board charger (OBC) configured to, in a charging mode, convert an AC power supplied from the external charger through the inlet to a DC power to charge the main battery, and in a discharge mode, convert a high voltage DC power discharged from the main battery to a low voltage DC power to supply the converted power to a load, and a relay configured to control an electrical connection between the bidirectional OBC and the inlet, and an electrical connection between the bidirectional OBC and the load.

Abstract: A battery charging method includes: charging a battery with a charging current; and changing the charging current in response to a current change event occurring during the charging of the battery, wherein the current change event occurs when the battery reaches a threshold voltage at which an anode potential of the battery reaches a reference value.

Abstract: An electronic apparatus includes a secondary battery, a first power feeder, a second power feeder, and a processor. The first power feeder feeds power to the secondary battery. The second power feeder feeds power to the secondary battery at a current larger than a current fed by the first power feeder. The processor selects an operation mode of the electronic apparatus based on different reference values selected based on whether the first power feeder is feeding power to the secondary battery or the second power feeder is feeding power to the secondary battery.

Abstract: Embodiments of this application provide a method and a device for detecting abnormality of a lithium battery, a battery management system, and a battery system. The method includes: obtaining a SOC value of the lithium battery in a charge process, where the SOC value is a ratio of a remaining capacity of the battery to a nominal capacity of the battery; changing a value of a charge current at a time point corresponding to an arbitrary SOC value, and obtaining a response signal within a time period of maintaining the changed charge current; and determining, based on response signals at time points corresponding to a plurality of SOC values, whether the lithium battery is abnormal. The method can implement non-destructive detection of abnormality of a lithium-ion battery, simplify operation, and achieve relatively high accuracy.

Abstract: A drive system for a BLDC motor having poles implemented by separate coils that are activated in corresponding phases, which comprises a controller for controlling the level and phase of input voltages supplied to the separate coils; a controlled inverter with outputs, for applying phase-separated input voltages to each of the separate coils at desired timing for each input voltage, determined by the controller; a power source for feeding power to the controlled inverter; an up/down DC-DC converter for converting the feeding power to the input voltages according to a command signal provided by the controller.

Abstract: A converter system for transferring power, a vehicle including such a converter system and a method for transferring power in such a converter system. The converter system includes a first DC-DC module, a second DC-DC module and a first control unit. The first DC-DC module is connected to a first high voltage interface of a high voltage system and to a first low voltage interface of a low voltage system. The second DC-DC module is connected to a second high voltage interface of the high voltage system and to a second low voltage interface of the low voltage system. The first high voltage interface and the second interface are independent of each other. The first control unit is connected to the first DC-DC module and configured to supply power via the second DC-DC module in case of a failure in the first DC-DC module.

Abstract: An electrical combination including a power tool and a battery pack. The power tool includes power tool terminals. The battery pack is configured to be interfaced with the power tool. The battery pack includes a battery pack housing, at least three terminals, and a plurality of battery cells. The battery pack terminals include a positive terminal, a negative terminal, and a sense terminal. The at least three terminals are configured to be interfaced with the power tool terminals. The plurality of battery cells are arranged within and supported by the battery pack housing. Each of the battery cells has a lithium-based chemistry and a respective state of charge, and power is transferable between the battery cells and the power tool. A circuit is configured to monitor the battery cells, detect a charge imbalance among the battery cells, and prevent the battery pack from operating when the charge imbalance is detected.

Abstract: A charging integrated circuit (IC) in a mobile device including battery includes; a switching charger including at least one inductor, a direct charger including at least one capacitor, and a control circuit. The control circuit detects a connection between the mobile device and an external power unit and a disconnection between the mobile device and the external power unit, wherein the switching charger and the direct charger selectively receive an external power signal provided by the external power unit by the connection between the mobile device and an external power unit.

Abstract: A battery balancing system includes an energy balancing circuit. Multiple battery cells are coupled to the energy balancing circuit. A health assessment circuit is coupled to the multiple battery cells and configured to sense a state of health and a charge of each of the multiple battery cells. The balancing circuit switches energy between the multiple battery cells as a function of the sensed state of health and state of charge of each of the multiple battery cells to balance charge there between.

Abstract: A control apparatus for a vehicle allows execution of an idle-stop control for temporarily stopping an engine, in a case in which a plurality of conditions are satisfied. The plurality of conditions include (i) a first condition is that it is determined upon power ON of the vehicle that the execution of the idle-stop control is allowed in a result of a determination stored upon power OFF of the vehicle last time and (ii) a second condition that it is determined that a smoothed value of an output voltage of a power storage device is at least a predetermined voltage value that guarantees the start of the engine. The smoothed value is obtained by a smoothing processing for smoothing the output voltage during a preparation period from the power ON until elapse of a predetermined time for which an initialization processing of the control apparatus is executed.

Abstract: An embodiment provides a battery protection circuit, including: a detection circuit portion that outputs a wake-up signal when a voltage is input to an outer terminal, a controller that outputs a switching control signal when the wake-up signal is received from the detection circuit portion, and a switching portion that controls a connection of a battery module and the outer terminal according to the switching control signal.

Abstract: A portable power bank including a rechargeable battery may detect loss of capacity in the power bank battery. The power bank determines a nominal capacity of the power bank, and an actual capacity of the power bank, the actual capacity being less than the nominal capacity. The power bank compares the actual capacity to the nominal capacity to determine a health value of the power bank battery. When the power bank battery health value is at or below a threshold value, the power bank transmits an indication of the health value to a mobile computing device.

Abstract: Controlling power consumption at an IHS, including receiving electrical power associated with an initial voltage at a first time; determining that the IHS is to enter a low-power state, and in response: adjusting an UVP parameter for the electrical power from a first voltage to a second voltage, the second voltage less than the first voltage, the second voltage based on the low-power state; adjusting an OCP parameter for the electrical power from a first amperage to a second amperage, the second amperage less than the first amperage, the second amperage based on the low-power state; trimming the initial voltage of the electrical power to a trimmed voltage, the trimmed voltage less the initial voltage and greater than the second voltage; adjusting the power state of the IHS to the low-power state; receiving the electrical power having the trimmed voltage at a second time after the first time.

Abstract: A battery management device of a vehicle management system is installed at a vehicle and provided in a battery pack that houses a battery, the battery management device including a voltage sensor that detects a voltage value of the battery; a current sensor that detects a current value of the battery; and a battery monitoring integrated circuit that is communicably connected to the voltage sensor and the current sensor and outputs, to a battery control device, a signal representing the voltage value acquired from the voltage sensor and a signal representing the current value acquired from the current sensor.

Abstract: Disclosed is an electronic device comprising: a first input/output terminal; a second input/output terminal; a power source module; a first switch selectively connecting the first input/output terminal to the power source module; a second switch selectively connecting the second input/output terminal to the power source module; a diode having an anode electrically connected to the first input/output terminal and a cathode electrically connected to the power source module, so that the diode is connected in parallel to the first switch; and a control circuit for controlling the first switch and the second switch. The electronic device can prevent damage due to power from external electronic devices by controlling the first switch and the second switch in response to connection of the external electronic devices. Additional various embodiments identified through the specification are possible.

Abstract: An electronic power control circuit includes a power conditioner circuit (120, 130) having a charging input line (116), a battery-related line (133) of the power conditioner circuit (120, 130), and a power voltage output line (137); and an anti-crash loop mechanism (170) coupled to the battery-related line (133) and to the power voltage output line (137) of the power conditioner circuit (120, 130), the anti-crash loop mechanism (170) having a control output line (172, PWGOOD) to be selectively active and inactive in response to voltage levels over time on the battery-related line (133) and on the power voltage output line (137) of the power conditioner circuit (120, 130).

Abstract: A pilot protection method includes: obtaining time-domain signals data of target element at a preset sampling frequency; fusing time-domain signals data of multiple first sampling periods to obtain first time-domain signals combination data; based on a machine learning model, determining whether a fault occurs in target element according to the first time-domain signals combination data; when it is determined that a fault occurs in target element according to the first time-domain signals combination data, based on the machine learning model, determining whether a fault occurs in target element in the second sampling period according to the second time-domain signals combination data. The second sampling period is the sampling period after determining a fault occurs; when it is determined that the same type of fault occurs in target element in multiple consecutive second sampling periods, the pilot protection system is controlled to perform the protection action on the target element.

Abstract: An information processing device that transmits information on an energy storage device and a power supply-related device in response to a request from the outside or as an event includes, an acquisition unit that acquires information including a state of the energy storage device or the power supply-related device through communication; a storage processing unit that stores the acquired information in a storage medium in association with information that identifies the energy storage device and the power supply-related device, respectively; and a transmission processing unit that transmits display information for collectively displaying the information stored in the storage medium for each system including the energy storage device and/or power supply-related device, or for each place where the energy storage device and/or power supply-related device is installed.

Abstract: A portable device includes: a modem configured to perform power line communication with a charger external to the portable device; and a charging circuit configured to, from first power provided by the charger, charge a battery and supply power to an electrical load, wherein the charging circuit is further configured to cut off the supply of the first power to the electrical load and supply second power from the battery to the electrical load.

Abstract: A mobile terminal, an on-the-go (OTG) control and configuration method, and a storage medium, wherein the method includes: obtaining an accumulated number of changes of differences in voltages of at least one of a positive data line and a negative data line in an OTG data cable at intervals; according to the accumulated number of changes of the differences in the voltages of at least one of the positive data line and the negative data line in the OTG cable, querying a lookup table pre-stored in the mobile terminal for a current value corresponding to the number of changes; and according to the queried current value, controlling the mobile terminal to set the current value as a current limit for an OTG peripheral device.

Abstract: A hybrid power supply circuit, a method using a hybrid power supply circuit and method for producing a hybrid power supply circuit are disclosed. In an embodiment a hybrid power-supply circuit includes a first energy-storage device and a second energy-storage device, wherein the first and second energy-storage devices are combined in a module and electrically interconnected, and wherein the first energy-storage device is a solid-state accumulator.

Abstract: Provided is a battery pack comprising a plurality of batteries; and a plurality of memories that correspond respectively to the batteries and that each record deterioration information of the corresponding battery. Each set of a battery and a corresponding memory may be formed integrally as a battery cell. As a result, the deterioration information of each battery cell can be known even after the battery pack is disassembled.

Abstract: The present invention includes a CP monitoring unit configured to monitor a CP voltage applied through a CP line from the controller of the slow charging cable when the slow charging cable is connected to an inlet, a mode switching request unit configured to request mode switching to the controller of the slow charging cable by converting the monitored CP voltage to a preset mode switching voltage; a communication switching unit configured to connect a LIN transceiver for LIN communication to the CP line when the controller of the slow charging cable is switched to a LIN communication mode for software update, and a control unit configured to control the LIN transceiver to transmit a pre-stored software update file to the controller of the slow charging cable, so that the controller's software can be updated without disassembling or damaging the controller of the slow charging cable.

Abstract: A battery charging apparatus includes a first converter having an input coupled to an input voltage bus and an output coupled to a first battery, and a second converter having an input coupled to the input voltage bus and an output coupled to the first battery and a second battery through a first bidirectional current blocking switch and a second bidirectional current blocking switch, respectively.

Abstract: A method for recognizing contacting errors in a rechargeable battery pack. Each rechargeable battery of the rechargeable battery pack is connected in parallel to at least one further rechargeable battery of the rechargeable battery pack. The method includes: applying at least one current to the rechargeable battery pack; ascertaining at least one voltage that is present at the rechargeable battery pack, as a function of the applied current; determining at least one parameter based on the ascertained voltage; and comparing the parameter to a comparison variable.

Abstract: A control unit for a battery system, comprising: a microcontroller configured to generate a first control signal; a monitoring unit configured to generate a fault signal indicative of the operational state of the microcontroller; a first signal source configured to generate a state signal indicative of a system state; a comparator circuit configured to generate an intermediate control signal based on a first control signal and a fault signal; the comparator circuit further comprising a comparator node, the comparator circuit configured to transmit the intermediate control signal to the comparator node; wherein the first signal source is connected to the comparator node to transmit the state signal to the comparator node; the comparator circuit further comprises a comparator connected to the comparator node and configured to generate a switch control signal based on a voltage on the comparator node and based on a threshold voltage.

Abstract: A battery charging method and corresponding apparatus include charging a battery based on an initial charging operation, and verifying whether a change event, with respect to a charging operation, occurs based on the charging of the battery. The battery charging method and corresponding apparatus also include changing the charging operation to an adjusted charging operation in response to verifying that the change event, with respect to the charging operation, occurs. The change event includes a physical quantity event in which a physical quantity of the battery sensed during a charging rest time of the initial charging operation is greater than or equal to a threshold physical quantity.

Abstract: In an apparatus for thermal treatment of substrates, a gas discharge lamp runs in a simmer mode in standby operation. A constant power supply may be connected to the gas discharge lamp via a first switch. At least one charged capacitor may be connected to the gas discharge lamp via a second switch. A thermal treatment of the end side of a substrate with a duration of between 20 milliseconds and 500 milliseconds is provided in a manner governed by light absorption. This time window is advantageous for thermal treatment of coatings having a thickness of 2 to 200 micrometers, wherein the temperature of the rear side of the substrate can remain below that of the end side. The temperature on the end side can be significantly increased by the gas discharge lamp being connected to the capacitor via the second switch at the end of the time window.

Abstract: Systems, methods, and computer-readable media are disclosed for battery-specific adjustments to maximum battery voltage. In one embodiment, an example device may include a battery, at least one memory that stores computer-executable instructions, and at least one processor. The device may be configured to determine a first value indicative of a first length of time the battery was at a first voltage and a first temperature, determine a second value indicative of a second length of time the battery was at a second voltage and a second temperature, determine that a sum of the first value and the second value satisfies a first threshold, and cause a maximum output voltage value to be reduced from a first maximum output voltage value to a second maximum output voltage value.

Abstract: Disclosed is a method for regulating the duty cycle of a controlled current signal of a conversion module of a voltage converter including a step of measuring, by the microcontroller, the duty cycle of the envelope of the controlled current signal, and when the value of the duty cycle is below a predetermined threshold, a step of controlling, by the microcontroller, the current control module to decrease the amplitude of the control signal and that the duty cycle of the envelope of the controlled current signal thus tends toward a predetermined threshold, or when the value of the duty cycle is higher than the predetermined threshold, a step of controlling, by the microcontroller, the current control module so the current control module increases the amplitude of the controlled current signal and that the duty cycle of the envelope of the controlled current signal thus tends toward the predetermined threshold.

Abstract: The present disclosure relates to a charging control method, including: arranging at least one detection resistor corresponding to charging mode at an output end of a power adapter; determining the charging mode; obtaining a resistance value of the detection resistor corresponding to the charging mode and voltage values at two ends of the detection resistor according to the determined charging mode, and sending the voltage values and the resistance value of the detection resistor to a mobile terminal; and stopping charging when control information for stopping the charging sent by the mobile terminal is received. The present disclosure further relates to a power adapter and a mobile terminal.