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So, how does the battery recharge then? While there is no separate alternator, the motor in an electric car acts as both motor and alternator. There is no alternator in an electric car. This is why you are told to drive your car around for a period after being jumped: the battery needs to be recharged in order to function appropriately. The rotation of the wheels is what then powers the alternator in the car and the alternator recharges the battery. The battery powers the engine, which powers the gears and wheels. Now in a typical car, i.e., non-electric, there is both an engine and an alternator. The spinning rotor is what creates the mechanical energy needed to turn the gears of the car, which, in turn, rotate the tires. Therefore, when the electrical energy from the car battery is supplied to the motor, the coils create rotating, magnetic fields that pull the conducting rods on the outside of the rotor along behind it. The coils within the stator (made from the conducting wire) are arranged on opposite sides of the stator core and act as magnets, in a way. Electrical energy is supplied to the stator via the car’s battery.
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It starts with the battery in the car that is connected to the motor. Because of the complexity of the topic, the following is a simplified explanation of how a four-pole, three-phase AC induction motor works in a car.