A method for acquiring information of a battery cell (11) includes a step (S101) of acquiring information pertaining to performance recovery accompanying the suspension of charging/discharging of the battery cell (11). Control pertaining to the battery cell (11) and estimation of a state of the battery cell (11) can be appropriately performed according to a type of battery cell (11).

A vehicle is provided. The vehicle includes a solar generator; a first battery configured to supply power for driving at least one load; and perform a recharge; a first charge amount detector configured to detect a charge amount of the first battery; and a controller configured to perform charging control on the first battery using electric energy generated by the solar generator in a parked state; determine whether the detected charge amount of the first battery is greater than or equal to a first reference charge amount during the charging control of the first battery; and perform charging termination control on the first battery when the detected charge amount of the first battery is determined to be greater than or equal to the first reference charge amount.

A charge/discharge management apparatus for executing charge/discharge of a battery of a vehicle electrically connected to a facility, comprising an obtaining unit for obtaining use histories of a plurality of batteries corresponding to a plurality of vehicles electrically connected to the facility, and a selection unit for selecting a battery subjected to execution of charge/discharge from the plurality of batteries based on priority decided from the use histories.

A method for wireless charging an electronic device and a method therefor are provided. The electronic device includes a near field communication device, a wireless charging device including a conductive coil, and at least one processor operatively connected to the near field communication device and the wireless charging device. The at least one processor is configured to transmit a first ping, using the near field communication device, receive first acknowledgement (ACK) information responsive to the first ping from an external electronic device, transmit a second ping, using the wireless charging device, based on that the first ACK information is received, and control the wireless charging device such that a charging current flows through the conductive coil based on second ACK information responsive to the second ping being received from the external electronic device within a specified time from the transmission of the second ping.

A mobile body includes: a main body provided with a moving function; a storage battery that is disposed in the main body and that stores electric power for driving the main body; a supply unit that supplies electric power to the storage battery; a requesting unit that requests an electric power provider who is able to supply electric power to the storage battery by the supply unit for cooperation in electric power supply; and a granting unit that grants an incentive to the electric power provider that has supplied the electric power to the storage battery by the supply unit. Therefore, when the electric power is insufficient during traveling, the electric power can be supplied to the storage battery by requesting cooperation in electric power supply, and the electric power provider can receive an incentive by supplying the electric power.

A method for controlling an energy terminal, comprises determining a metric indicating a future availability of an energy resource at an energy terminal based on usage data associated to use of the energy resource by the energy terminal, generating control data to control the distribution of the energy resource between the energy terminal and an energy infrastructure based on the metric, and communicating the control data to the energy terminal.

According to various embodiments, an electronic device may comprise a battery, a multi-coil circuit including a first coil and a second coil, a magnetic field control circuit electrically connected with the multi-coil circuit, a power management module electrically connected with the battery and the magnetic field control circuit, and a processor electrically connected with the multi-coil circuit, the magnetic field control circuit, and the power management module. Upon detecting an external electronic device to receive wireless power, the processor may control the magnetic field control circuit to transmit power having a first characteristic to the external electronic device through the first coil, and upon transmitting the power having the first characteristic, control the magnetic field control circuit to maintain transmission through the first coil based on a first operating frequency and a threshold operating frequency in a designated frequency range, or upon transmitting the power having the first characteristic, adjust an operating voltage based on the first operating frequency and the threshold operating frequency and control the magnetic field control circuit to transmit power having a second characteristic through the first coil and the second coil based on a first frequency varied in response to the adjusted operating voltage. Other embodiments may also be possible.

A method of controlling charging of a battery may include making, by a controller, the battery that supplies power to a drive motor start to be charged with a boosted voltage higher than a voltage of a fast charger by controlling a switch connecting the drive motor and the fast charger of a vehicle and a switch of an inverter driving the drive motor, for fast charging of the battery; determining, by the controller, whether a motor position sensor has failure according to an output signal of the motor position sensor which detects a position of the drive motor; engaging, by the controller, an engine clutch that is configured to connect or disconnect the engine of the vehicle and the drive motor, when the controller determines that the motor position sensor has the failure; and maintaining, by the controller, the fast charging for the battery when a rotation of the drive motor stops after the engine clutch is engaged.

A battery charging method is disclosed. The method includes: obtaining historical working durations in which the electronic device was powered by a battery of the electronic device; in response to an electronic device connected to a charging power source, obtaining a remaining battery level and a target capacity of a battery of the electronic device, and accordingly defining a capacity to be charged; obtaining a current system time when the electronic device is connected to the charging power source; obtaining a specific time difference between the current system time and a predicted working duration, wherein the predicted working duration is a specific working duration chosen from the historical working durations subsequent to the current system time; and using the capacity to be charged to correspond to the specific time difference to obtain a predicted charging current value.

An electronic contact lens. The electronic contact lens includes an energy storage device and a charging circuit for charging the energy storage device. The electronic contact lens is configured to disable the charging circuit when the contact lens is worn.