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What is the difference between a car's engine and an electric battery?
I’m still fairly new to the topic of cars, but I’ve been doing some research on electric cars and engines. What is the difference between a car's engine and an electric battery?
Marlee John · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Great question! This is one we get a lot. The main difference between the two is that an engine runs on gasoline or diesel whereas the motor and battery run on electricity.
An electric battery is constructed similarly to any other rechargeable battery: with a grouping of individual battery cells. These cells grouped together are called modules and module groups are called battery packs. Depending on how dense the battery pack is, will determine how much charge it can hold which ultimately translates to how much range the car will have.
A gas engine requires an input of petrol fuel, without it, it cannot run. The engine uses a spark ignition (either a key input or start button), and in each piston, there is a certain fuel-to-air ratio which then combusts upon ignition.
The series of combustions generate motion which brings the rest of the engine to life. The size of the gas tank will determine how much gasoline can be stored and–depending on how fuel efficient the vehicle is–how many miles the car can drive before it needs to be refilled. Batteries and gas
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