Basics of Electric Vehicles

August 16, 2013

An electric motor plays the role of propelling electric vehicles. This motor is powered by battery packs that are rechargeable. There are a number of advantages associated with electric vehicles over vehicles that have internal combustion engines.

Environmental Friendliness

Electric vehicles emit fewer pollutants, despite the fact that the power plant generating electric power may emit them. No air pollutants are caused by electricity from solar, nuclear or hydro-powered plants.

Energy Efficiency

In electric vehicles, about 59 to 62 percent of electric energy is converted from the electric grid to power. Only about 17 to 21 percent of energy is stored in gasoline to power in conventional gasoline vehicles.

Reduced Energy Dependence

Electricity has often been considered to be a domestic source of energy. This means that driving an electric car will minimize the rate of foreign energy dependence.

Performance Advantage

Electric motors offer smooth and quiet operation. Additionally, the acceleration provided is strong. Such motors would also need less maintenance compared to internal combustion engine-based motors.

However, there are battery-linked challenges that are faced by electric vehicles. Some of these challenges are as follows.

  • Battery Cost

Electric vehicles need large-sized battery packs that are extremely expensive. These battery packs may also need replacement two or more times.

  • Recharge Time

It can take four to eight hours to recharge a battery pack fully. Even 30 minutes may be required to charge up to 80 percent of the battery capacity.

  • Driving Range

For most electric vehicles, 100-200 miles is the average distance that they can go prior to recharging. This is contrary to gasoline-fueled vehicles that can go up to 300 miles prior to refueling.

  • Bulk and Weight

Battery packs have been thought to be extremely heavy. This means that they often take up considerable space in a vehicle.

Despite the mentioned pitfalls, researchers are working towards innovating battery technologies that would increase the driving range and minimize the costs, weight, and recharging time. These factors serve as the key determinants for electric motors’ future.

Hybrid cars are both electric and gasoline-driven. This means that they combine the benefits of both gasoline motors and electric motors. One of the key benefits that a hybrid car derives from its gasoline segment is in terms of mileage. As mentioned, gasoline vehicles can travel further when compared to electric vehicles. Hence, a hybrid car has an advantage of having better mileage. Other key advantages include energy efficiency, high performance, and promoting a cleaner and safer environment. Additionally, hybrid cars have a unique appearance.



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