Abstract: The invention is related to a method and system for temperature regulation of a power switch during charging of a portable device. The method includes the steps of establishing a connection between the portable device and a charging circuit, monitoring a charging current supplied from the charging circuit to the portable device, monitoring a temperature of the power switch, while the portable device is being charged, comparing the monitored temperature with a predefined threshold temperature, and restricting the charging current, based on the comparison.

Abstract: A total SOC of a battery pack including a collection of a plurality of battery blocks is calculated based on a plurality of block SOCs representing respective stored charge amounts in the plurality of battery blocks. In the case where a block SOC maximum value is higher than a control upper limit value, the total SOC is calculated to be higher than the control upper limit value. On the other hand, in the case where a block SOC minimum value is lower than a control lower limit value, the total SOC is calculated to be lower than the control upper limit value. Further, in the case where each of the block SOCs is in a range of not less than the control lower limit value and not more than the control upper limit value, the total SOC is determined to fall within the range of not less than the control lower limit value and not more than the control upper limit value.

Abstract: An image processing apparatus, including: a rechargeable battery that includes a temperature detecting terminal from which temperature status of the rechargeable battery is obtained; a connector that supplies electric power to charge the rechargeable battery; a battery charge unit that controls the electric power and charges the rechargeable battery via the connector; a control unit that controls the battery charge unit and operation of the image processing apparatus; and a switch unit that switches a connection of the temperature detecting terminal among the battery charge unit and the control unit.

Abstract: A charger capable of charging an electronic apparatus includes a charger main body having a power output unit which output charging power, a connection unit which is attached to the charger main body, which is configured to be connected to the electronic apparatus, and which is configured to supply the charging power from the power output unit to the electronic apparatus in a state that the connection unit is connected to the electronic apparatus, and a temperature sensor which is provided in the connection unit, and which is configured to detect a temperature in the vicinity of the connection unit.

Abstract: Rechargeable battery systems and rechargeable battery system operational methods are described. According to one aspect, a rechargeable battery system includes a plurality of rechargeable battery modules coupled between a plurality of terminals, wherein the rechargeable battery modules individually comprise a plurality of rechargeable battery cells and charge balancing circuitry configured to implement, for individual ones of the rechargeable battery modules, first charge balancing operations with respect to the rechargeable battery cells of individual ones of the rechargeable battery modules, and to implement second charge balancing operations with respect to the rechargeable battery modules.

Abstract: A battery pack cooling and charging device includes a charging module for a battery pack, a cooling fan, a power source module and a cooling fan control module. The cooling fan control module is capable of controlling the cooling fan for cooling and is connected with the cooling fan. During the charging operation, a rotational speed of the cooling fan for cooling the battery pack and a charging module is changed by detecting parameters such as fan operation time, a battery pack internal resistance, a charging module temperature, and a battery pack voltage. The rotational speed of the cooling fan is reasonably adjusted, thus noise of the cooling fan is reduced and energy consumption is reduced according to different phases of the charging process by regarding one parameter or combinations of parameters as conditions for changing the rotational speed of the fan.

Abstract: A charging control circuit for a secondary battery includes a temperature detection terminal for detecting the temperature of a secondary battery from an input detected voltage; a temperature comparison part having four threshold voltages corresponding to four reference temperatures, the temperature comparison part being configured to compare the four threshold voltages with the detected voltage input to the temperature detection terminal and to output a temperature range signal indicating the temperature range of the detected voltage; and a control part configured to control a charging current and/or a charging voltage based on the temperature range signal output from the temperature comparison part.

Abstract: A mobile terminal apparatus including a battery, a temperature detection section that detects a temperature of the battery, a voltage detection section that detects a battery voltage of the battery, a discharge section discharges the battery, an illuminance detection section that detects an illuminance on the mobile terminal apparatus, and a control section. The control section determines whether to gradually discharge the battery in accordance with the detected illuminance or to rapidly discharge the battery, and the determination is made on the basis of the temperature detected from the temperature detection section and the battery voltage detected from the voltage detection section.

Abstract: The disclosed embodiments provide a system that manages use of a battery corresponding to a high-voltage lithium-polymer battery in a portable electronic device. During operation, the system monitors a cycle number of the battery during use of the battery with the portable electronic device, wherein the cycle number corresponds to a number of charge-discharge cycles of the battery. If the cycle number exceeds one or more cycle number thresholds, the system modifies a charging technique for the battery to manage swelling in the battery and use of the battery with the portable electronic device.

Abstract: A power transmission device includes a power supply unit configured to supply power by a resonance frequency for magnetic resonance; a power transmission resonance coil capable of magnetic resonance with a power reception resonance coil in the resonance frequency, the power transmission resonance coil being configured to supply the power from the power supply unit as magnetic field energy caused by the magnetic resonance; a temperature detector provided in the power transmission resonance coil; and a control unit configured to refer to a table stored in a memory expressing an allowable temperature range, determine whether a detected temperature detected by the temperature detector at an elapsed time is within the allowable temperature range at the elapsed time, and stop an operation of the power supply unit when the detected temperature is not within the allowable temperature range.

Abstract: An electric load is electrically connected to a path between an external power supply and a power storage device. An ECU executes temperature-rise control, when the temperature of the power storage device is low, ensuring power consumption of the electric load in association with charging/discharging of the power storage device. During execution of temperature-rise control, the ECU sets a power command value of the external charger, alternately causing a discharging mode having the output power of the external charger positively controlled and in which power consumption of the electric load is ensured in association with discharging of the power storage device, and a charging mode having the output power of the external charger negatively controlled and in which power consumption of the electric load is ensured in association with charging of the power storage device.

Abstract: Discharging a battery is accomplished by: applying an electrical stimulus to the battery; measuring a response to the electrical stimulus, the measured response providing an indication of discharge efficiency of the battery; determining a target frequency corresponding to a maximum discharge efficiency; and then discharging the battery with a discharge current profile comprising current pulses having a frequency component selected based on the determined target frequency.

Abstract: A charging circuit and a charger are provided. The charging circuit includes a temperature detection unit, a charging unit, and a control unit. In the present invention, the charging circuit adjusts a magnitude of a charging current according to a temperature of a product being charged or the charger and then controls the temperature of the product being charged or the charger, thereby greatly improving user experience, and enhancing safety performance of the product with a heat protection function.

Abstract: A vehicle includes a traction battery having a thermal circuit, and a controller. The controller is configured to: (i) charge the traction battery using a maximum charging current defined by the lowest temperature cell while the traction battery is connected to the charger, and (ii) heat the traction battery if the lowest temperature cell is below a predetermined temperature while the traction battery is charging. A method for controlling an electric vehicle while connected to a charger includes charging the battery using a first portion of power from the charger while heating the battery using a second portion of power from the charger in response to a low cell temperature in a traction battery.

Abstract: A battery pack includes: a connecting portion connected to a battery charger; a battery chargeable by the battery charger connected to the connecting portion; an environment temperature detecting element detecting an environment temperature around the battery; and a control circuit. The control circuit periodically detects the environment temperature via the environment temperature detecting element and controls the battery charger to suspend starting of charging the battery or to temporarily discontinue charging the battery when a variation of the environment temperature detected exceeds a predetermined range, when the battery charger is connected to the connecting portion.

Abstract: Systems and methods are provided for regulating the transfer of energy inductively between an implantable device and an external charging system, wherein the energy transfer rate is regulated by varying an operating frequency of an inductive energy transfer circuit of the implantable device responsive a temperature measured within the implantable device.

Abstract: An apparatus for wirelessly charging an electronic device is disclosed. The apparatus comprises a charging controller coupled to a power source, a power switch coupled to the power source, a logic controller coupled to the power switch, and a wireless charger transmitter coupled to the power source via the power switch and coupled to the logic controller. The charging controller is configured to transmit power from the power source to a load in the apparatus. The logic controller is configured to detect if the electronic device is wirelessly coupled to the apparatus and to switch on the power switch when the electronic device is detected to be wirelessly coupled. The wireless charger transmitter is integrated in the apparatus and configured to wirelessly transmit power from the power source to the electronic device when the power switch is on.

Abstract: According to one embodiment, an electronic device includes a battery, a power supply circuit, and a charging circuit. The power supply circuit supplies power to components in the device by using DC power from an AC power supply or DC power from the battery. The charging circuit charges the battery by using the DC power from the AC power supply. The charging circuit includes a charger IC that controls a charging current and a charging voltage which are output from the charging circuit to the battery. The charger IC includes a first input terminal for monitoring a temperature of the AC power supply, and performs control for reducing the charging current when the temperature of the AC power supply exceeds a first temperature during the charging of the battery.

Abstract: ECU executes program including the steps of turning on an overcharge tentative determination flag and performing limitation on Win in a case where a rising rate ?TB is higher than or equal to ?TB(0), and a current average value IBs is a value on a side of charging, and the steps of turning off the overcharge tentative determination flag and cancelling the limitation on Win in a case where the rising rate ?TB is lower than or equal to ?TB(1), or the current average value IBs exhibits a value on a side of discharging, and the steps of determining that a battery is in the overcharging state and executing a fail safe process in a case where the integrated value IBs of current from a time point at which the overcharge tentative determination flag is switched from an off-state to an on-state becomes greater than or equal to IBs(0).

Abstract: A device for performing energy management in an electric vehicle which can be driven at least partially by an electric machine which can be supplied with electrical energy by a rechargeable battery, wherein the state of charge (SOC) of the rechargeable battery varies during charging and discharging, includes a driver-type recognition device for determining the driver-type (I, II). The driver-type recognition device monitors the discharge process of the rechargeable battery during driving and recognizes the driver-type (I, II) therefrom.

Abstract: According to some embodiments of the present invention, a battery heating circuit includes a switch unit, a switching control module, a damping component, an energy storage circuit, and an energy superposition unit, wherein: the energy storage circuit is connected with the battery and includes a current storage component and a charge storage component; the damping component, the switch unit, the current storage component, and the charge storage component are connected in series; the switching control module is connected with the switch unit, and configured to control ON/OFF of the switch unit, so as to control the energy flowing between the battery and the energy storage circuit.

Abstract: A method for using a stand-alone system, provided with an actuator connected to a battery, comprises during a discharging phase of the battery at a predetermined current the measurement of a temperature representative of the battery temperature and the determination of a first voltage threshold depending upon the measured temperature. Then, a voltage is measured at the battery terminals. An operating mode, selected at least between a normal and deteriorated mode, is determined, said stand-alone system being in the normal operating mode when the measured voltage is higher than the first voltage threshold, and in the deteriorated operating mode when the measured voltage is lower that the first voltage threshold, the current provided by the battery during an actuation being reduced when going from the normal mode to the deteriorated mode.

Abstract: Methods of and apparatus for removing heat generated by cells of a battery pack. The method and apparatus may employ one or more fan modules disposed between or next to cells of the battery pack, or one or more fans directly mounted to the battery pack or battery pack case housing the cells. Further, a motor controller isolation system operates to electricity isolate the motor controller of the electric vehicle when the battery pack is being charged. The motor controller isolation system may be integrated with the integrated battery pack and thermal and ventilation system. The integrated system, or “integrated battery unit (IBU),” is preferably manufactured in a manner that requires no, modifications to the electric vehicle in which the IBU is installed.

Abstract: A secondary battery controller and a method for controlling a secondary battery that can increase the continuous operating time of an apparatus. The secondary battery controller includes a plurality of temperature detectors that detect temperatures of a plurality of secondary batteries; a switching device that connects an output of any one of the plurality of secondary batteries to a load; and a control portion that selects which secondary battery to use from the plurality of secondary batteries and controls the switching device to switch between the secondary batteries based on temperature information of each of the plurality of secondary batteries.

Abstract: A power conversion system is disclosed. The system comprises a plurality of power conversion modules and a controller that turns on/off each power conversion module separately based on changing load conditions, and manages to keep each power conversion module running at its peak efficient state.

Abstract: A high-current rapid charging battery module for an electric vehicle including a case, one or more battery cells inside the case, a ventilation system that draws air upward through holes in the bottom of the case from the exterior of the vehicle, massive copper busbars, each busbar electrically connecting a positive lead on one battery cell to a negative lead on a different battery cell, an air flow cartridge between each pair of adjacent battery cells, and one or more fans arranged on top of one or more cells that blow air drawn upward through the holes in the bottom of the case away from the top of the battery module.

Abstract: A lithium polymer (LiPo) battery pack having LiPo battery cells is provided which includes battery protection circuitry, charging circuitry, cell balancing circuitry, and control and communication circuitry. The batteries can be charged while in use by an internal charger. Battery charging and discharging are accomplished in a controlled and protected manner to avoid overcharging and overdischarging conditions. The novel battery pack has built-in safeguards against dangerous LiPo battery conditions and is implemented in a small, portable unit which contains the battery cells, control and protection circuitry, internal charger and display gauge. The battery pack is useful for powering an intravenous fluid warmer or other medical or electrical devices and equipment.

Abstract: There is provided a method of thermally controlling an electric storage device. The method comprises increasing cooling medium supplied to the electric storage as an electric charge stored in the electric storage device increases. According to the method, by increasing the cooling medium supplied to the electric storage device as an electric charge stored in the electric storage device increases, the electric storage device may be kept at a temperature that increases the efficiency of charging or discharging the electric storage device. It is asserted to be more efficient to lower the temperature of the electric storage device when more electric charge is stored in the electric storage device. Also, an adequate amount of the cooling medium may be supplied to the electric storage. As a result, the overall efficiency of the electric system may be improved.

Abstract: A charging apparatus includes: a charging unit charging a rechargeable battery; a fan to send air to the rechargeable battery; a control unit adapted to activate the fan when a predetermined cooling-execution condition is satisfied after initiation of charging the rechargeable battery by the charging unit and to deactivate the fan when a predetermined maximum cooling period of time is elapsed from completion of charging the rechargeable battery by the charging unit even when the predetermined cooling-execution condition has been satisfied after completion of charging the rechargeable battery by the charging unit; an information obtaining unit configured to obtain cooling-performance information that represents coolability of the rechargeable battery; and a setting unit configured to set the maximum cooling period of time based upon the cooling-performance information obtained by the information obtaining unit.

Abstract: A battery charge/discharge control apparatus for a vehicle capable of driving an electric motor by a battery is provided. Temperature of the battery is detected, temperature history distribution of the battery after start of temperature detection is calculated, and a lifetime workload of the battery is calculated on the basis of this temperature history distribution of the battery. A permissible value of a workload increase rate indicating a workload to increase per unit distance is calculated on the basis of the lifetime workload of the battery and a travel distance of the vehicle. An actual workload increase rate of the battery is compared with the permissible value of the workload increase rate.

Abstract: A system for charging a battery pack of an electric vehicle comprises a heater for pre-heating the battery pack so that the battery pack is able to accept a charge from a charger. The battery pack is selectively de-coupled from the system during the pre-heating. When the battery pack has reached an appropriate temperature, the heater is selectively de-coupled from the system and the charger is coupled to the system to charge the battery. Advantageously, the battery pack is protected during pre-heating.

Abstract: Improved protection for a rechargeable battery from damage by being discharged below a cut-off voltage is provided. The measured voltage of a battery under load is lower than the measured voltage of the battery under no load. As the cut-off voltage for the battery is specified as a no load voltage, comparing the measured voltage of the battery under load to the cut-off voltage would result in stopping use of the battery with useable charge remaining. Through testing, a set of relationships for estimating the no load voltage of a battery under load has been determined. Using this set of relationships with battery measurements, an estimated no load voltage for the battery is determined. This estimated no load voltage is compared to the cut-off voltage. This allows for full use of the battery while stopping use of the battery when its voltage reaches the cut-off, thereby preventing damage.

Abstract: A battery temperature rise causing system has a converting unit for converting voltage of electric power held in one of a rechargeable battery and an accumulator and applies the converted voltage to the other one, and a control unit controlling the converting unit to alternately perform first transfer of electric power from the battery to the accumulator and second transfer of electric power from the accumulator to the battery while changing the first transfer for the second transfer each time the battery voltage reaches a lower limit and changing the second transfer for the first transfer each time the battery voltage reaches an upper limit, and to increase temperature of the battery due to heat generated by electric current flowing through the battery during the electric power transfer.

Abstract: A control system is designed or configured to control the state of charge of a battery or battery pack in a system containing a separate power source, which is separate from the battery or battery pack. In operation, the battery or battery pack is called upon to intermittently provide power for certain functions. The separate power source may be, for example, an AC electrical power source for a UPS or an engine of a vehicle such as a micro hybrid vehicle. The battery may be a nickel zinc aqueous battery. The control system may be designed or configured to implement one or more of the following functions: monitoring the state of charge of the battery or battery pack; directing rapid recharge of the battery or battery pack from the separate power source when the battery or battery pack is not performing its functions; and directing charge to fully charged level or a float charge level, which is different from the fully charged level, in response to operating conditions.

Abstract: A system is provided to allow for charging of a chemical storage device without a rectifier. A gate is used in conjunction with a gate controller. The gate controller monitors input voltage and opens the gate when voltage crosses a zero crossing in a first direction. The gate monitor then closes the gate when the voltage crosses a zero crossing in a second direction. This increases the chances that the output power will have voltage in a single direction. This output power is then fed to a chemical storage device, where it can be stored and used by one or more electronic devices.

Abstract: An apparatus and a method for protecting a wireless power receiver from excessive temperature caused by charging are provided. The wireless power receiver includes a power receiver for receiving wireless power in an Alternate Current (AC) form from a wireless power transmitter; a regulator for regulating the wireless power; a power management unit for controlling charging by providing the regulated wireless power to a battery; a temperature measurement unit for measuring a temperature of a point in the wireless power receiver during reception of the wireless power; and a controller configured to provide a control signal for the wireless power receiver to be charged with a regulated charging power if a temperature measured by the temperature measurement unit exceeds a preset temperature.

Abstract: A battery temperature control apparatus capable of controlling the temperature of a battery to reach a suitable condition is provided. Thermal capacity determining unit 61, based on the temperature of battery 1 detected by battery temperature detector 2 and a target temperature stored in storage unit 5, determines the thermal capacity necessary for setting the temperature of battery 1 to the target temperature. Temperature regulating ability determining unit 62, based on the temperature of battery 1 detected by battery temperature detector 2 and the temperature of the temperature regulating medium detected by medium temperature detector 4, determines the temperature regulating ability of fan 3. Flow rate controller 63, based on the thermal capacity determined by thermal capacity determining unit 61 and the temperature regulating ability determined by temperature regulating ability determining unit 62, controls the flow rate of the temperature regulating medium sent by the fan.

Abstract: An accumulator control device includes a first electrical connection configured to connect the accumulator control device to a local accumulator. A second electrical connection is connected to the first electrical connection and configured to connect to a remote auxiliary electrical power supply device. A control unit is configured to measure at least one of a parameter of the accumulator and an environmental parameter and to transmit at least one of the at least one measured parameter and a value calculated using the at least one measured parameter to the remote auxiliary electrical power supply device via a communication interface.

Abstract: In an all-solid-state lithium secondary battery provided with a sulfide-based electrolyte-containing layer, the production of hydrogen sulfide is effectively inhibited without deteriorating battery characteristics. A battery system (100) is provided with: an all-solid-state lithium secondary battery (1) using a sulfide-based solid electrolyte material; and a reducing device (2, 3, 5) for reducing a charge-discharge amount of the all-solid-state lithium secondary battery if a temperature in an inside of the all-solid-state lithium secondary battery reaches a first threshold value.

Abstract: A device may measure or detect, using at least one magnetic sensor, a magnetic field to determine whether a magnet is included within a charging device. In some examples, the device may include a receiving coil for charging of a battery based on magnetic induction. In response to determining that a magnet is present within the charging device, the device may instruct the charging device to adjust an amount of electrical current supplied to a transmitting coil.

Abstract: A method is provided for reducing unsafe thermal conditions in an inductive charging system within a vehicle. The method includes inductively charging a chargeable device with an inductive charger. The method also includes adjusting an amount of power provided to the chargeable device by the charger based on the detected temperature information. The method further includes storing temperature metrics related to at least one chargeable device in a database. The method also includes shutting off the inductive charger if it detects the device on the inductive charger is also connected to a wired charging source.

Abstract: A system and a method for cooling and cycling a battery pack is provided. The system includes an air supplying device that outputs pressurized air. The system further includes a vortex tube that receives the pressurized air and outputs cooled air at a first temperature level utilizing the pressurized air. The system further includes at least one heat exchanger disposed in the battery pack that receives the cooled air from the vortex tube and cools the battery pack. The system further includes a battery cycling device configured to charge and discharge the battery pack when the battery pack is being cooled.

Abstract: A system and method for early identification of an impending fast-charge or fast-charge opportunity and use of that information to prepare the battery cells for the fast-charge.

Abstract: Exemplary embodiments are directed to an electronic device for enabling a temperature of a battery unit to be sensed with a wired power charger or a wireless power. A device may include a wireless power receiver and a wired charging module operably coupled to the wireless power receiver. The device may also include an interface configured to couple to a battery unit and for selectively enabling one of the wireless power receiver and the wired charging module to determine a temperature of the battery unit.

Abstract: An emergency system for power failures includes a single-cell or multiple-cell rechargeable battery selected from the group consisting of NiMH, NiCd, NiZn, Ag2O/Zn or lithium-ion, and a charging electronics system that charges the battery, wherein the charging electronics system provides a charging voltage at which the battery does not overcharge at a temperature of up to 80° C., and wherein the charging electronics system supplies a charging voltage at which the battery is transferred into a charging state and/or is kept in a charging state, in which the battery is charged to 5% to 30%.

Abstract: A full charge control apparatus includes a temperature detection accuracy decision unit and a full charge decision unit. The temperature detection accuracy decision unit detects an engine speed, a vehicle speed and an ambient temperature and, based on these surrounding conditions, determines whether the difference between the temperature of the battery estimated from a measurement by a temperature sensor and a true battery temperature falls within a specified accuracy range. If the battery temperature measurement accuracy is not within the specified range, the criteria for judging the fully charged state of the battery are modified to ensure that the battery will not be under-charged.

Abstract: A method of charging a battery including at least one battery cell includes supplying a first current for charging the battery a first charge period, and supplying a second current for charging the battery for a second charge period, where the second current is less than the first current. The method also includes supplying a constant voltage for charging the battery for a set charge period.

Abstract: A temperature-controlled power supply system is disclosed. The temperature-controlled power supply system comprises a power source, for supplying input power; a rechargeable battery module, for receiving the input power for power storage; a charging unit, coupled between the power source and the rechargeable battery module, for charging the rechargeable battery module with the input power; a temperature sensing unit, coupled to the rechargeable battery module, for sensing a temperature of the rechargeable battery module; and a current control unit, coupled to the temperature sensing unit and the charging unit, for controlling a current for charging the rechargeable battery module according to the temperature of the rechargeable battery module.

Abstract: According to some embodiments of the present invention, a battery heating circuit includes a switch unit, a switching control module, a damping component, an energy storage circuit, and an energy superposition unit, wherein: the energy storage circuit is connected with the battery and includes a current storage component and a charge storage component; the damping component, the switch unit, the current storage component, and the charge storage component are connected in series; the switching control module is connected with the switch unit, and configured to control ON/OFF of the switch unit, so as to control the energy flowing between the battery and the energy storage circuit.

Abstract: The disclosure provides a method for charging a battery in an information handling system. The method includes prompting a user to select from a plurality of charging modes for the battery, wherein the charging modes comprise a first mode, a second mode, or a third mode. The method further includes charging the battery in the first mode when the first mode is selected, wherein a charge voltage and a charge current are constant In the first mode, and charging the battery dynamically when the second mode or the third mode is selected, wherein the charge current changes dynamically based on a battery temperature.