Abstract: The present application discloses a method, apparatus, device and medium for equalization control of battery packs. The method may include: acquiring a voltage of each of a plurality of cells of the battery pack; on the condition that one or more voltages of the voltages of the plurality of cells are within a preset voltage interval, selecting a target State of Charge (SOC)-Open Circuit Voltage (OCV) curve from a charging SOC-OCV curve and a discharging SOC-OCV curve stored for the battery pack based on the voltages within the preset voltage interval; acquiring a target SOC of each cell based on the target SOC-OCV curve and the voltage of each cell; calculating, for each cell, a SOC difference between the target SOC of the cell and a reference SOC; calculating an equalizing time for each cell based on the SOC difference of each cell.

Abstract: A vehicle electrical system having an electrical energy store, a direct voltage converter and a direct current transmission connection is described. The direct current transmission connection is connected to the energy store via the direct voltage converter. The vehicle electrical system also has a bypass switch which connects the electrical energy store in a switchable fashion to the direct voltage transmission connection. In addition, a method, a charging system, a charging station and a further vehicle electrical system are described.

Abstract: A management device is provided with an acquiring unit for acquiring the amount of variation between the voltage of a power storage element when conduction of power is suspended from a state in which power is being conducted to the power storage element and the voltage when a period has elapsed, and a determination unit for determining whether the amount of variation is included in a second range that corresponds to a first range in which the voltage difference between each power storage amount-voltage characteristic during charging and discharging for the same power storage amount is less than another range.

Abstract: The invention provides systems and methods for control of power charge/discharge from energy storage system. The invention also provides for power monitoring and management, including power management for a variable generator. An intelligent charge system may include a premise sensor, a variable generator sensor, one or more energy storage units, and a controller, which may receive information about the power demand, power provided by an electricity provider, and charge/discharge information from an energy storage unit. The information received may all be time synchronized in relation to a time based reference. The controller may provide instructions to an energy storage unit at a rapid rate.

Abstract: A robotic work tool system, comprising a charging station and a robotic work tool, said robotic work tool comprising two charging connectors arranged on an upper side of the robotic work tool and said charging station comprising two charging connectors and a supporting structure arranged to carry said charging connectors and to extend over and above said robotic work tool as the robotic work tool enters the charging station for establishing electrical contact between the charging connectors of the robotic work tool and the charging connectors of the charging station from above, wherein said supporting structure is arranged to allow the robotic work tool exit the charging station by driving through the charging station without reversing.

Abstract: A terminal and a device are provided. The terminal includes a charging interface and a first charging circuit. The first charging circuit is coupled with the charging interface, and is configured to receive an output voltage from the adapter via the charging interface and apply the output voltage to both ends of multiple cells connected in series in the terminal to charge the multiple cells.

Abstract: An electronic device is provided, the electronic device including a communication circuit, a battery, and a processor, and the processor is configured to: obtain a strength of a communication signal received by the communication circuit; determine a magnitude of power for charging the battery based on the strength of the communication signal; and charge the battery with power of the determined magnitude.

Abstract: Embodiments of present disclosure discloses method and system for controlling discharge ratio between a primary battery and a secondary battery in a vehicle. Initially, for the controlling, one or more sensor parameters of the vehicle comprising a primary battery and a secondary battery are retrieved. The power parameter required by the vehicle is estimated based on the one or more sensor parameters. A discharge ratio between the primary battery and the secondary battery is identified based on the power parameter and a function of power parameter to control the discharge ratio between the primary battery and the secondary battery in the vehicle. The function of power parameter is associated with input of plurality of power parameters relating to the vehicle and output of corresponding discharge ratio.

Abstract: A system for balancing battery cell charge in a battery array for an electrified machine is provided. The battery array includes a plurality of individual battery cells, or groups of battery cells. A plurality of cell monitors are in communication with the individual battery cells, or groups of battery cells, with the plurality of cell monitors being powered by the individual battery cells, or groups of battery cells. A battery controller of the system receives information about the individual battery cells, or groups of battery cells, from the plurality of cell monitors. The information traverses the plurality of cell monitors in a first pattern to the battery controller and, after a predetermined period of time or occurrence of a predetermined event, the information traverses the plurality of cell monitors in a second pattern that is different than the first pattern to the battery controller.

Abstract: Provided herein are systems and methods for regenerative braking. A method for regenerative braking may comprise converting mechanical energy from a braking event to electrical energy. The electrical energy may activate a photon battery comprising phosphorescent material.

Abstract: A dual-voltage battery for a vehicle includes a plurality of battery cells, wherein in each case a group of battery cells is connected to a battery cell block, and a battery electronics system with a plurality of power switching elements for connection in series or in parallel of in each case individual battery cell blocks. In a first connection arrangement of the battery cell blocks, a first voltage is provided and in a second connection arrangement, a second voltage is provided. At least a first battery cell block is provided as part of a first voltage supply unit, at least a second battery cell block is provided as part of a second voltage supply unit, at least two third battery cell blocks are provided as part of a third voltage supply unit, and at least two fourth battery cell blocks are provided as part of a fourth voltage supply unit.

Abstract: Wearable devices are described herein including a housing and a mount configured to mount a contact surface of the housing to an external surface of a wearer. The wearable devices further include a coil disposed in the housing proximate to the contact surface and at least one sensor disposed on the contact surface and configured to detect one or more properties of the body of the wearer. The wearable devices are powered by a rechargeable battery disposed within the wearable devices. The wearable devices additionally include a recharger disposed within the wearable devices and configured to recharge the rechargeable battery using electromagnetic energy received by the coil. The sensor is disposed within a central portion of the contact surface enclosed by the coil.

Abstract: The wired and wireless charging device for an electric vehicle according to the present invention does not only dramatically reduce the costs for charging infrastructure but also making a user convenient in terms of time and space, since it is possible to charge electric vehicles of different charging modes with one charging device.

Abstract: A server configured to aggregate height information of a primary coil of each charging station from a road surface is provided. When a signal expressing that charging is performed at the charging station at a desired position has been received from a secondary side control unit of an electric vehicle through a secondary side communications device of the electric vehicle, the server is configured to transmit to the secondary side control unit of the electric vehicle, the height information of the primary coil of the charging station at the desired position from the road surface.

Abstract: A system for differentiating short circuiting in a battery includes: a detector coupled to the battery; a monitor in communication with the detector, the monitor including a profile of a battery shorting behavior, and a comparator for matching data from the detector to the profile; and a controller for taking action based upon information from the detector. A method for detecting short circuiting in a battery includes the steps of: detecting a behavior of the battery; comparing the behavior of the battery to a predetermined battery behavior profile; determining the type of short based on the comparison; and taking mitigating action based on the determination. The system/method may monitor: temperature of the battery, heat generation from the battery, current flow through the battery, voltage drop across the battery, and/or combinations thereof. The system/method discriminates between the various battery shorting behaviors for aggressive response or passive response.

Abstract: A charging system includes an inverter configured to receive rectified mains line voltage and current to power a primary coil to induce charge current in a secondary coil of a vehicle. The charging system also includes a controller configured to alter a switching frequency of the inverter based on charge voltage data from the vehicle to cause the inverter to operate to drive a voltage of an energy storage capacitor of a battery charger of the vehicle toward a constant value.

Abstract: A method and a system for detecting resistance of an internal short circuit of a battery are provided. The method includes the following steps. Measuring charging/discharging information of the battery. Calculating a charging/discharging characteristic of the battery according to the charging/discharging information. Aligning the charging/discharging characteristic of the battery according to a comparison characteristic point of a comparison characteristic to obtain an aligned charging/discharging characteristic. Determining whether the battery is normal according to the aligned charging/discharging characteristic or a coulombic efficiency of the battery; and when the battery is determined as abnormal, calculating aligned charging/discharging information according to the aligned charging/discharging characteristic, and calculating the resistance of the internal short circuit of the battery according to the aligned charging/discharging information.

Abstract: Methods for monitoring the state of charge of a battery of a motor vehicle are disclosed in which the battery current is determined at moments at which the battery charging voltage has decreased to a defined limit value. The battery current thus determined is transmitted to an evaluation unit, which generates an alarm signal if no discharge of the battery is measured by means of the determined battery current in a defined period. The limit value for the decrease of the battery charging voltage is selected such that the algorithm as a result can identify whether the state of charge of a battery lies above or below a threshold above which a certain electrical functionality of the battery can be guaranteed.

Abstract: A method and apparatus are disclosed for a Battery Management System (BMS) for the controlling of the charging and discharging of a plurality of battery cells (12). Each battery cell has an associated plurality of control circuits (32, 36) which monitor and control the charging of individual battery cells. These units are controlled by a central microcontroller (14) which shunts current around the battery cell if fully charged and stops discharge if a battery cell is fully discharged in order to prevent damage to the other cells.

Abstract: An electronic vehicle includes a power electronic component; a cooling water storage unit receiving cooling water capable of cooling the power electronic component; and a vehicle charging connection unit connected to an external cable at an external charger-side thereof and disposed on a path through which the cooling water is circulated. The circulating cooling water cools the vehicle charging connection unit.