A device includes an AC impedance circuit to apply an AC excitation signal to a set of battery cells of a battery pack. The device includes a controller to determine a battery pack identification (ID) value from a battery pack identification (ID) circuit of the battery pack, calculate an impedance value of the battery pack based on the AC excitation signal, identify a maximum charging rate to charge the battery pack using the battery pack ID value of the battery pack and the impedance value of the battery pack, where the battery pack is one of at least two battery packs having a same battery pack ID value with different maximum charging rates, and set a charging rate to charge the battery pack using the maximum charging rate.

A battery voltage equalization device for an automotive battery formed from a plurality of batteries connected in series includes: a voltage measurement unit that measures respective battery voltages of the batteries; a current measurement unit that measures a charge-discharge current of the automotive battery; a cell balancing unit that equalizes the respective battery voltages of the batteries; and a control unit that performs a voltage equalization control through the cell balancing unit on the basis of the battery voltages measured by the voltage measurement unit. The control unit starts the voltage equalization control on the condition that the voltage equalization control is determined to be necessary on the basis of the respective battery voltages and that a discharge current of the automotive battery measured by the current measurement unit is determined to be stable.

Systems, methods, and computer-readable media are disclosed for dynamic adjustments to battery charging using battery metrics. The device may determine a first value indicative of a battery voltage output during a first time interval, determine a second value indicative of a temperature of the battery during the first time interval, and determine a first adjusted number of charge cycles. The device may determine a total adjusted number of charge cycles of the battery from initial use to an end of the first time interval using the first adjusted number of charge cycles, and a historical adjusted number of charge cycles, determine that the total adjusted number of charge cycles is greater than a threshold, and cause a first battery charging configuration change to be implemented.

A vehicle control unit (VCU) for power management of a vehicle receives battery temperature data. The battery temperature data is indicative of a battery temperature of a battery of the vehicle. Based on the battery temperature compared to a temperature threshold, the VCU determines a power split for splitting a charge power provided by a charging system. The power split indicates a split of the charge power into a first part for charging the battery by the charging system and into a second part for heating the battery by a heating system. The VCU transmits information about the first part of the charge power to the charging system and information about the second part of the charge power to the heating system.

According to some embodiments, a battery management system for a metal-hydrogen battery system is presented. In particular, a method of managing a battery system includes applying a charging current through a battery string of the battery system, the battery string including a plurality of coupled batteries; monitoring temperature of the plurality of batteries; determining a maximum charging voltage from a Vtable that relate the charging current, the temperature, and the maximum charging voltage for each battery in the battery string; and stopping the charging current when a voltage across one or more of the batteries of the battery string reaches the maximum charging voltage.

A method for controlling an electrified vehicle (EV) having a battery pack includes transmitting, by the EV, a plurality of battery operation characteristics to a remote server over a period of time during which the battery pack undergoes a plurality of charge-discharge operations, and charging and discharging the battery pack according to a power limit defined using an updated battery parameter estimated by the remote server from a former battery parameter, employed during the plurality of charge-discharge operations, using the plurality of battery operation characteristics.

A system for charging and discharging a vehicle battery in a vehicle. The vehicle may receive at least a portion of the motive power from an internal combustion engine (ICE) that is connected to a generator, or, in the alternative, the vehicle receives all motive power from one or more electric motors powered by a traction battery pack in electrical communication with an auxiliary power module (APM). The system charges and discharges the vehicle battery based on a comparison between the state-of-charge of the vehicle battery and the target state-of-charge range of the vehicle battery. Charging and discharging the vehicle battery creates a balance between a charging capacity and a discharging capacity of the vehicle battery.

According to embodiments of the present invention, a battery charge control apparatus may include at least one processor; and a memory configured to store at least one instruction executed by the at least one processor.

The at least one processor may be configured to, upon receiving a user input information including a charging objective, derive a plurality of optimal charge maps that satisfy the charging objective based on battery state information and charger state information; output information on each of the derived optimal charge maps through a predefined graphical user interface (GUI); and upon receiving a user selection signal for one of the optimal charge maps, control charging of the battery based on an optimal charge map corresponding to the user selection signal.

A temperature raising device includes an alternating current (AC) generation circuit including a first capacitor having a first end connected to a positive electrode side of a power storage having an inductance component, a second capacitor having a first end connected to a negative electrode side of the power storage, a parallel switch unit configured to connect the first capacitor and the second capacitor to the power storage in parallel, and a series switch unit configured to connect the first capacitor and the second capacitor to the power storage in series, and a controller configured to alternately switch the state between a first state in which the parallel switch unit is in a conductive state and the series switch unit is in a non-conductive state and a second state in which the parallel switch unit is in the non-conductive state and the series switch unit is in the conductive state.

A system and method for controlling power for a fuel cell are disclosed. The system includes: a fuel cell; a load device electrically connected to the fuel cell; a stack controller configured to set a stack limit current on the basis of a current output current of the fuel cell, the stack limit current configured to limit an output current of the fuel cell on the basis of an output voltage of the fuel cell; and a load controller configured to set a consumption limit current on the basis of the set stack limit current, the consumption limit current configured to limit a consumption current of the load device, the load controller being configured to control the consumption current of the load device to a value equal to or lower than the set consumption limit current.