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  2. Electric car charging methods - Wikipedia

    en.wikipedia.org/wiki/Electric_car_charging_methods

    The boost charger CC/CV charging algorithm is a further development of the constant current/constant voltage algorithms. Instead of using the constant voltage and current in the entire charging period, it boosts the charging efficiency through maximizing voltage in the first period, with the battery reaching approximately 30% of its nominal ...

  3. IUoU battery charging - Wikipedia

    en.wikipedia.org/wiki/IUoU_battery_charging

    The charger provides a constant current, typically the maximum current that the charger is capable of producing. As a result of this current, the battery absorbs a charge and its voltage rises. The charger limits the maximum voltage to U max , a constant or temperature-dependent maximum, typically around 2.4 V per cell.

  4. Battery charger - Wikipedia

    en.wikipedia.org/wiki/Battery_charger

    The C-rate is defined as the charge or discharge current divided by the battery's capacity to store an electrical charge. While rarely stated explicitly, the unit of the C-rate is h −1, equivalent to stating the battery's capacity to store an electrical charge in unit hour times current in the same unit as the charge or discharge current. The ...

  5. Lithium-ion battery - Wikipedia

    en.wikipedia.org/wiki/Lithium-ion_battery

    The charging procedure is performed at constant voltage with current-limiting circuitry (i.e., charging with constant current until a voltage of 4.2 V is reached in the cell and continuing with a constant voltage applied until the current drops close to zero). Typically, the charge is terminated at 3% of the initial charge current.

  6. Nickel–cadmium battery - Wikipedia

    en.wikipedia.org/wiki/Nickel–cadmium_battery

    Typically a battery is constant current charged at 1 CA rate until all the cells have reached at least 1.55 V. Another charge cycle follows at 0.1 CA rate, again until all cells have reached 1.55 V. The charge is finished with an equalizing or top-up charge, typically for not less than 4 hours at 0.1 CA rate.

  7. State of charge - Wikipedia

    en.wikipedia.org/wiki/State_of_charge

    In a battery electric vehicle (BEV), the state of charge indicates the remaining energy in the battery pack. [4] It is the equivalent of a fuel gauge.. The state of charge can help to reduce electrical car's owners' anxiety when they are waiting in the line or stay at home since it will reflect the progress of charging and let owners know when it will be ready. [5]

  8. Constant power circuit - Wikipedia

    en.wikipedia.org/wiki/Constant_power_circuit

    Motor drive applications can also require power supplies with controlled output current. Super capacitor charger, These new capacitors, which provide impressive capacitance values such as 1F at 5 V in a mere cubic centimeter, can provide high power. The capacitor must first be charged, usually from a battery whose voltage is lower than the ...

  9. Constant current - Wikipedia

    en.wikipedia.org/wiki/Constant_current

    In electronics, a constant current system is one that varies the voltage across a load to maintain a constant electric current.When a component is indicated to be driven by a constant current, the driver circuit is, in essence, a current regulator and must appear to the component as a current source of suitable reliability.

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