A method for controlling an electric vehicle battery is provided. The electric vehicle includes a plurality of wheels, a driving motor for supplying driving power to the plurality of wheels, and a controller for controlling power supply to the driving motor and/or charging by the driving motor. The…
A vehicle system includes a battery pack including a plurality of battery cells, a voltage sensor configured to sense an output voltage of the plurality of battery cells, and a control module in communication with the voltage sensor. The control module is configured to detect a failure associated…
There are provided an electric vehicle and a control method thereof, the electric vehicle including: a motor configured to cause the electric vehicle to travel; a plurality of battery packs configured to supply electric power to the motor; an electric power path electrically connecting the motor…
There are provided methods and systems for operating battery packs. One example method includes obtaining voltages of batteries of the battery pack, which includes a plurality of the batteries connected to a circuit. The method also includes obtaining an output current to be output from the battery…
There is provided a power storage device including a plurality of modules each including secondary batteries, a charging switch that controls charging to the secondary batteries, a discharging switch that controls discharging of the secondary batteries, and a voltage measuring unit that measures a…
[Problem] In a battery pack having a battery unit in which plural cell groups are connected in series, and a protection circuit board to protect by detecting intermediate electric potentials, tap portions of lead plates in the battery unit and terminals of the protection circuit board are easily…
A battery pack has first and second battery terminals, plural battery cells each with a battery element, a cell supervisor electrically connected to the battery element, and a communication section to communicate with the cell supervisor. The battery elements are connected serially between the…
An active balancing control apparatus and method with an active balancing algorithm to charge and discharge a plurality of batteries connected in series. The active balancing control apparatus may be designed to simultaneously charge and discharge a plurality of batteries, connected in series and…
The system (10) has voltage sources (14) connected in series via contacts (12) by a reversible interruptible, conductive connection. The connection is functionally designed such that a series circuit of the sources is produced by the connection when a battery housing (16) is closed, and reversibly…
The method involves activating first battery module for predetermined cycle time, then activating second battery module for predetermined cycle time and simultaneously deactivating the first battery module. The second battery module is activated after the first battery module is activated, and the…
Provided are a controller (30) for vehicle controlling a temperature state of a storage device, especially enabling effective temperature rise of a storage device (20) from a low-temperature state, and a vehicle including such a controller (30). The controller (30) for vehicle includes: a driving…
In a battery device including a battery pack in which a plurality of cells are connected in series, there are provided a battery control circuit or a battery device capable of eliminating a fluctuation in the voltage or charged state which can occur between the cells, or preventing the cells from…
In a voltage monitoring system , a voltage monitoring module includes an adjusting current control circuit to generate an adjusting current so that the operating current consumed by the voltage monitoring modules reaches a specified value corresponding to a first operation current setting command…
A battery system includes a battery pack 10, a detecting portion 5, a storage portion 6, and a determining portion 7. The battery pack 10 includes parallel battery units 1. The unit 1 includes a current restriction portion 9 and a plurality of battery cells 2. The cells 2 are connected to each…
According to one embodiment, a communication circuit includes a direct-current converter circuit (23a) configured to generate a second power supply potential different from a second reference potential by a predetermined potential, from a first power supply potential, a first receiving circuit…
According to one of the embodiment, an assembled battery has a plurality of cells (11(1)-11(x)) electrically connected in series. A charge amount difference detection circuit (70) detects charge amount difference of the cells. Wherein, while a charging or discharge current is being applied to the…