Abstract: A solid-state battery includes a power storage part including a battery cell and configured to flow current to an allowable upper limit value, a current restriction part configured to adjust discharge current of the power storage part under control, and a controller configured to control the current restriction part to flow the discharge current of the power storage part by restricting the current to a first current value or less that is smaller than the allowable upper limit value when a temperature difference of a predetermined value or more occurs between two points of a first point and a second point by measurement results of both the first point and the second point determined on a surface related to the power storage part.

Abstract: Presented herein is a system and method for wireless power transmission (WPT) charging of a battery of a stationary electric vehicle (EV). The system comprises a plurality of autonomous mobile platforms adapted to charge the battery, wherein: the autonomous mobile platforms are configured to fit under the EV; and one or more autonomous mobile platforms are assigned in succession by the central control system to fully supply the charging requirements of the EV. Also presented is a method for maximizing inductive WPT charging of a battery of a stationary EV.

Abstract: Embodiments of this application provide a charging circuit and a terminal device, applied to the technical field of terminals. The charging circuit includes a charging interface, a charging management module, and a cell, where the charging management module is connected to the charging interface and is configured to step down a charging voltage inputted from the charging interface to obtain an output voltage, and increase a charging current inputted from the charging interface to obtain a total output current, where the output voltage is 1/N times the charging voltage, the total output current is N times the charging current, and N is a positive integer greater than 2; and the charging management module is further connected to the cell and is configured to input the output voltage and the total output current to the cell to charge the cell.

Abstract: The present disclosure relates to a dual battery system (1) comprising a first battery (B1) and a second battery (B2), for balancing charge level of the first battery and the second battery, the dual battery system being adapted for powering propulsion of an electric vehicle (3) comprising a first electric motor (E1) coupled in driving relationship with one or more rear wheels of the electric vehicle and a second electric motor (E2) coupled in driving relationship with one or more front wheels of the electric vehicle. The first battery is adapted to provide electric power for driving the first electric motor and the second battery is adapted to provide electric power for driving the second electric motor. The dual battery system obtains (100) at least one of data or information of a predetermined and/or imminent charging event of the electric vehicle. The dual battery system furthermore obtains (200) at least one of data or information of charge level of the first battery and second battery respectively.

Abstract: A control device for a ground power supply apparatus judges if it has received from one moving body among a plurality of moving bodies a first signal notifying it that the one moving body has become an immobilized state on an electrified road at which a ground power supply apparatus has been installed. The control device, if receiving the first signal, when receiving from another moving body among the plurality of moving bodies, a power supply request signal requesting noncontact power supply at the ground power supply apparatus or an approach signal notifying it of approach the ground power supply apparatus, sends to the other moving body originating the power supply request signal or approach signal a second signal notifying it that there is a moving body in an immobilized state present on the electrified road.

Abstract: Disclosed are a collaborative charging method, apparatus, and logistics device, which relate to the technical field of logistics. One specific implementation mode of the method comprises: judging whether remaining battery power of a first logistics device satisfies a preset charging condition; if so, determining a target second logistics device for charging the first logistics device; and controlling the target second logistics device to move to meet the first logistics device so as to charge the first logistics device. According to the implementation mode, collaborative charging between respective logistics devices can avoid problems such as low charging efficiency and energy waste caused by necessity of returning to a charging station for charging.

Abstract: A battery management system may include a battery. The battery management system may further include a central charging station configured to: provide power to charge the battery, and output an alert to a user of the battery in response to the battery not being returned to the central charging station within a predetermined time after being removed.

Abstract: A mobile power supply device includes a housing; a cell and a circuit board that are arranged in the housing; and a data line. One end of the data line is electrically connected to the circuit board and is fixedly connected to the housing. The housing has at least one flat surface. The data line is suitable for being flexibly bent and is at least partially embedded in the flat surface in a U-shape or an S-shape. The mobile power supply device with the structural design is convenient to use and carry.

Abstract: A method for establishing a wireless communication system in a high-voltage power converter station is provided. The high-voltage power converter station includes a plurality of power devices. The wireless communication system includes a plurality of wireless communication devices, some of which are associated with a power device such that a power device and a wireless communication device together form a wireless power electronic module. The high-voltage power converter station further comprises at least one wireless networking device for providing a communication interface between the plurality of wireless communication devices and a controller configured to control the power devices.

Abstract: Device (1) for moving a connector (3) of an electric vehicle charger, comprising: an actuated mechanism, for moving an actuator attachment point (2) for the suspension of the connector (3), a connector attachment point (27), for the connector (3), the connector (3) provided with one end (4) adapted for electrical and mechanical connection with a socket of an electric vehicle, by movement in a plug-in direction (D); a suspension, coupled to the actuator attachment point (2), and carrying the connector attachment point (27), wherein the suspension carries the connector attachment point (27) in a preferred orientation, from which the connector (3) is movable, in particular compliantly movable relative to the actuator attachment point (2) under application of a force exerted on the connector attachment point (27), wherein the connector attachment point (27) is at least rotatable about an axis of rotation at an angle not parallel and preferably perpendicular to the plug-in direction wherein the axis of rotation in

Abstract: A battery system includes battery cells to store electrical energy and to output electrical power. The battery system further includes a housing, a shunt, a control board, and a connector assembly. The housing includes a cavity that the shunt is disposed in and is in direct contact with, where the cavity facilitates dissipating torsional force exerted on the shunt. The control board is disposed within the housing and includes sensing circuitry to determine an operational parameter of the battery cells and control circuitry to facilitate controlling operation of the battery cells based on the operational parameter. The connector assembly electrically couples the shunt to the sensing circuitry via a spacing connector and a securing connector. The spacing connector is disposed between the control board and an inner surface of the housing while the securing connector extends through the shunt to couple to the spacing connector through the housing.

Abstract: A charging system for electric vehicles includes a line interphase transformer, LIT-based rectifier configured for connecting an input of the LIT-based rectifier to an AC medium-voltage power signal and for outputting a medium-voltage DC-signal; a modular DC/AC converter with large step-down gain is configured for transforming the medium-voltage DC-signal into a medium-voltage HF-AC-signal; and a medium-frequency transformer, MFT, is configured for transforming the medium-voltage HF-AC-signal into a low-voltage HF-AC-signal for the at least one charging box.

Abstract: A compact includes a lower portion, an upper portion, a first mirror, a battery, a circuit, and a coil. The upper portion is movably coupled to the lower portion by a hinge such that the upper portion rotates about the hinge to transition from a closed state to an open state. The first mirror is disposed in the lower portion such that the first mirror is visible when the upper portion is in the open state. The battery is disposed within the lower portion. The circuit is electrically coupled to the battery. The coil is disposed within the upper portion and electrically coupled to the circuit such that the coil produces an oscillating magnetic field when electric power is provided to the coil by the battery and through the circuit.

Abstract: Described herein are techniques and mechanisms for modules in a battery stack to provide backup power to their neighbor modules thereby permitting the neighboring cell to activate bypass switches, which can effectively remove a module's associated battery cells from the charge/discharge loop and permit the battery to continue safe operations. This mechanism can be a cost-effective technique of providing backup power.

Abstract: A battery data management method for use in a battery data management system including an electric vehicle and a plurality of authentication servers each including a distributed ledger includes: obtaining, by the electric vehicle, first sensor information about a battery attached to the electric vehicle; generating, by the electric vehicle, first transaction data including the ID of the battery and the first sensor information; obtaining the first transaction data by one authentication server included in the plurality of authentication servers; and recording a block including the first transaction data into the distributed ledger by the one authentication server.

Abstract: An electrical converter may include AC terminals, a first and second DC terminal, and converter modules. Each of the converter modules has an AC node. The second DC terminal forms a common node of the converter modules. A connection between the AC nodes of the converter modules and the AC terminals is reconfigurable allowing the electrical converter to operate according to a first mode of operation converting between a first AC signal having a first plurality of phase voltages and the DC signal, in which the converter modules are grouped in first groups, and according to a second mode of operation converting between a second AC signal having a single-phase voltage and the DC signal, in which the converter modules are rearranged in second groups. The electrical converter is configured to operate multiple converter modules assigned to a same group of the first groups and the second groups in parallel.

Abstract: Systems, devices, computer-implemented methods, and/or computer program products that can facilitate an intelligent battery cell are addressed. In one example, a device can comprise: active battery cell material; and an internal circuit coupled to the active battery cell material and comprising: a circuit board; two alternating current (AC) power points; two isolated direct current (DC) power points; and a controller that can operate one or more switches on an H-bridge circuit to disconnect the device from a main battery in a bypass mode. In another example, a smart cell modulator can comprise: a set of smart battery cells; and a controller that can operate to selectively engage a subset of the smart battery cells to enable load sharing, distributed feedback control, circulate load across one or more smart battery cells of the set of smart battery cells to increase torque, and to enable speed requests.

Abstract: A wearable charger assembly includes a housing that has a charging element extending away from the housing. The housing is wearable on a wrist of a user thereby facilitating the charging element to be slid beneath an electronic device is worn on the user's wrist. A charging unit is integrated into the housing and the charging unit is in electrical communication with the charging element. The charging element is in communication with the electronic device when the charging element is slid beneath the electronic device thereby facilitating the charging unit to recharge the electronic device. In this way the charging unit can recharge the electronic device without requiring the user to remove the electronic device from their wrist.

Abstract: A battery system including a number of first battery modules each including a number of battery cells, and a number of second battery modules each including a number of battery cells. Each second battery module includes a power electronics unit having a DC/DC converter. The first and second battery modules are connected in series. The first battery modules are connected directly in series and the second battery modules are connected via their power electronics units.

Abstract: A generator module includes a battery, a charging circuit, an electric power outlet, and an enclosure. The charging circuit is coupled to an output of a generator and configured to charge the battery. The electric power outlet is configured to provide an output from the battery, the generator, or a combination of the battery and the generator. The enclosure includes the battery, the charging circuit, and the electric power outlet such that the enclosure detachable from the generator.