Abstract: A battery control circuit that is used for a battery protecting apparatus configured to protect a secondary battery in which cells are connected in series includes: a level shift circuit configured to shift respective levels of cell voltages of the cells to generate level shift voltages; a maximum voltage output circuit including differential amplifier circuits for the respective level shift voltages, the respective differential amplifier circuits being configured to compare the corresponding level shift voltages with threshold voltages to generate output voltages, the maximum voltage output circuit being configured to simultaneously compare the output voltages to output a maximum voltage corresponding to a cell voltage whose voltage value is highest; an overcharge detecting circuit configured to detect overcharging of the secondary battery based on the maximum voltage; and a maximum voltage cell specifying circuit configured to specify, based on the output voltages, a cell whose voltage value is highest.

Abstract: A method of charging an electronic device and an electronic device includes a charger receiving first information from the electronic device; determining a charge state of the electronic device according to the first information, generating a first instruction if the charge state of the electronic device is determined to be abnormal, and adjusting the power supplied to the electronic device based on the first instruction.

Abstract: A charging method for a battery set with a plurality of battery cells, having steps of performing a serial charging on the battery cells; determining whether one of the battery cells reaches a saturation voltage; and performing a uniform separately charging on the battery cells when one of the battery cells reaches the saturation voltage, wherein the uniform separately charging comprises sorting the battery cells according to cell voltages of the battery cells; and sequentially and separately charging the sorted battery cells to a Nth segmented voltage in a Nth segmentation, wherein N is a positive integer from 1 to K, and K is a positive integer larger than 1. The charging method of the present disclosure can reduce the temperature rising of the battery cell due to the longtime charging.

Abstract: A system, recharge apparatus, and method includes transmit coils positioned in a pattern to allow at least one of the transmit coils to establish a wireless link with a receive coil positioned in proximity of the recharge apparatus. A power source is coupled to the transmit coils and configured to selectively energize ones of the transmit coils to transfer power to the receive coil. An energy efficiency detection circuit is configured to detect an electrical response of each one of the transmit coils when energized by the power source, the electrical response indicative of an energy efficiency between the one of the transmit coils and the receive coil. The power source selectively energizes ones of the transmit coils, selected according to a statistical analysis of an historical record and the electrical response indicative of the energy efficiency meeting a minimum efficiency criterion for energy transfer to the receive coil.

Abstract: A battery system includes a housing, a battery array inside the housing, a first wiring path that bypasses the battery array, and a second wiring path electrically connected to the battery array. The battery system is adapted to charge a battery pack of an electrified vehicle using AC power, DC power, or both.

Abstract: The invention concerns a measurement unit including: an electric ambient energy recovery generator; an element of capacitive storage of the electric energy generated by the generator; an electric battery; a first branch coupling an output node of the generator to a first electrode of the capacitive storage element; a second branch coupling a first terminal of the battery to the first electrode of the capacitive storage element; and an active circuit capable of transmitting a radio event indicator signal each time the voltage across the capacitive storage element exceeds a first threshold, wherein, in operation, the capacitive storage element simultaneously receives a first charge current originating from the generator via the first branch and a second charge current originating from the battery via the second branch.

Abstract: A charging control circuit includes a charging unit, a plurality of power output terminals configured to connect with a plurality of rechargeable batteries, respectively, a plurality of switch units each connected between the charging unit and one of the plurality of power output terminals, and a control unit electrically connected with the switch units. The control unit is configured to switch to a first charging mode or a second charging mode, and output, to the switch units, a switch signal corresponding to the first charging mode or the second charging mode. The switch signal causes the switch units to switch on or off electrical connections between the charging unit and the plurality of power output terminals.

Abstract: Charging of a mobile device in an ad hoc parked vehicle charging system. A plurality of mobile device users and associated mobile devices are registered in an ad hoc parked vehicle charging system with a charging profile. A plurality of charging vehicles are also registered in the system with a charge supply profile. A mobile device user and associated mobile device are authenticated as a registered user in the system. A plurality of the registered charging vehicles parked within a preset distance range of the authenticated user and associated mobile device are located and one of the parked registered charging vehicles is selected based on an energy allocation criteria. A charging connection is established between the authenticated mobile device and the selected parked vehicle and charging of the mobile device is automatically controlled according to the user's charging profile, the vehicle's charge supply profile and the energy allocation criteria.

Abstract: There is provided a charging device including a charging voltage providing unit configured to provide a maximum charging voltage for an electricity storage unit, wherein the electricity storage unit includes a plurality of battery cells, and wherein the maximum charging voltage satisfies an equation (1) below: Maximum Charging Voltage=Total Battery Voltage+(Fully Charged Voltage?Maximum Cell Voltage)*n (1) wherein n represents a total number of the battery cells connected in series.

Abstract: Methods and devices are provided for quick charging. In the method, after a mobile terminal recognizes a type of a power adapter, the mobile terminal transmits indication information to the power adapter. The indication information is configured to indicate that the mobile terminal has recognized the type of the power adapter and instruct the power adapter to activate a quick charging process. The power adapter then negotiates with the mobile terminal via the quick charging process to determine charging parameters, and charges a battery of the mobile terminal in a multi-stage constant current mode.

Abstract: A second energy storage has a second capacity deterioration factor which has a fluctuation with respect to a state of charge larger than a fluctuation of a first capacity deterioration factor. Circuitry is configured to control a converter to discharge one of the first energy storage and the second energy storage to charge another of the first energy storage and the second energy storage alternately when first temperature of the first energy storage and second temperature of the second energy storage are equal to or lower than a temperature threshold. The circuitry is configured to determine which of the first energy storage and the second energy storage is controlled to be discharged first based on the state of charge of the second energy storage, before the circuitry starts controlling the converter.

Abstract: A wireless charging system and method are provided, that are capable of simultaneously charging multiple mobile devices, providing high power transfer efficiency for multiple mobile devices located at any position and orientation, and minimizing electromagnetic radiation from a transmitting (TX) coil and a receiving (RX) coil. The method and structure reduce electromagnetic interference (EMI) radiation by shunting in-phase currents flowing in a wireless power transmitting unit (TX unit) and a wireless power receiving unit (RX unit) of a wireless charging system.

Abstract: The integration of the auxiliary power module (APM) functionality into non-dissipative balancing hardware of a high voltage battery or supercapacitor pack enables a more cost-effective non-dissipative balancing system while maintaining a similar complexity in topologies. The system uses state-space equations and three control problems to balance high-voltage energy storage elements and charge low voltage energy storage elements. Two optimization based controllers are employed to optimize both balancing and charging simultaneously.

Abstract: A battery management method can be used for a vehicle. The method includes determining whether battery refresh proceeds and determining whether battery aging proceeds based on a time period in which the battery refresh proceeds, a battery state of charge, and a battery current during the battery refresh. Battery discharge is controlled based on determining that the battery aging proceeds. Charging is controlled according to a battery refresh map in order to restore the battery.

Abstract: An exemplary embodiment of the present invention provides a bi-directional inverter of a vehicle. The bi-directional inverter may include an alternating current (AC) to direct current (DC) inverter configured to receive AC power from a power grid and generate DC power on a DC bus operatively coupled to a vehicle battery. The bi-directional inverter may also include a DC to AC inverter configured to receive DC power from the DC bus and generate AC power delivered to the power grid. The bi-directional inverter may also include an energy management system operatively coupled to the AC to DC inverter and the DC to AC inverter and configured to selectively operate the bi-directional inverter in a charging mode or a generation mode. Additionally, the bi-directional inverter may include a power line communications (PLC) coupler configured to transfer electronic data between the energy management system and a power plant network through the power grid.

Abstract: A charge control apparatus according to an embodiment controls charge of a secondary battery to be charged, on the basis of a charge pattern which is calculated from inner state parameters of the secondary battery to be charged, and of a deterioration model or deterioration map of a secondary battery. The charge control apparatus updates the charge pattern on the basis of change of the inner state parameters.

Abstract: A method of charging a battery, wherein the battery comprises a plurality of battery cells, includes charging the battery with a first voltage for a first time period, which charging is first charging, charging the battery with a second voltage for a second time period, which charging is second charging, and charging the battery with a third voltage for a third time period, which charging is third charging, wherein lengths of the first to third time periods are determined in correspondence with a magnitude of charging current of the battery.

Abstract: Disclosed are a method for controlling an operation of a battery on the basis of the state thereof, and an electronic device for supporting the same.

Abstract: A wireless charging circuit is disclosed. In this regard, a wireless charging circuit is configured to charge a battery by harvesting radio frequency (RF) power from a wireless RF charging signal provided by a wireless charging station. The wireless charging circuit monitors an effective charging power provided to the battery and sends a battery charging signal indication (BCSI) to the wireless charging station to reduce the effective charging power if the effective charging power is greater than a target charging power. In another aspect, the wireless charging circuit sends the BCSI to increase the effective charging power if the effective charging power is less than the target charging power. By dynamically adjusting the effective charging power based on the charging profile of the battery, it is possible to provide fast charging to the battery while protecting the battery from overcharging damage.

Abstract: A method for wireless charging power control is disclosed. In a wireless charging system, a wireless radio frequency (RF) charging signal transmitted by a wireless charging station is harvested and converted to a direct-current (DC) charging signal to charge a battery. To prevent overcharging damage to the battery, an effective charging power in the DC charging signal is measured and compared to a target charging power required by the battery. A battery charging signal indication (BCSI) is provided to the wireless charging station to decrease the effective charging power if the effective charging power is greater than the target charging power, or to increase the effective charging power if the effective charging power is less than the target charging power. By dynamically adjusting the effective charging power, it is possible to provide fast charging to the battery while protecting the battery from overcharging damage.