EV's and their usage of magnets

Published: 2023-03-20 13:44:35 • Daniel Gårdefelt

As the world moves towards more environmentally friendly modes of transport, electric cars are increasing in popularity. The materials and components required to manufacture electric cars are becoming more and more in demand as the market for electric cars becomes larger and larger. Magnets are a particularly important part for electric cars. In this text we will address the advantages of using magnets in the manufacture of electric vehicles.

Motors using permanent magnets
In the manufacture of electric vehicles, permanent magnet motors are one of the most important systems when it comes to the applications of magnets. Permanent magnet motors rely on magnets to provide the magnetic field that turns the vehicle's axle. Permanent magnet motors provide a higher power density, more efficiency and are better for the environment than conventional motor designs.

Strong rare earth magnets
For example, rare earth metals (neodymium, samarium cobalt) are often used in the manufacture of electric cars. Due to their light weight and ability to generate strong magnetic fields, rare earth magnets play a crucial role in the manufacture of electric vehicles. This ultimately improves the electric car's efficiency and range.

Magnetized wire
Magnets also play an important role in the manufacture of magnet wire, which is widely used in the assembly of electric vehicles. Insulated wire, known as "magnet wire", is wound into the stator and rotor of electric motors. Magnet wire is used because it allows electricity to flow more freely, increasing the motor's efficiency and performance. Manufacturing magnet wire using magnets increases motor efficiency by aligning the wire's magnetic field.

Making batteries
The manufacture of EV batteries also makes use of magnets. Lithium-ion batteries, which are often used in electric cars, require magnets during manufacture. During manufacturing, the magnetic field in the battery cells is aligned with magnets to increase performance and extend battery life.

Places with electrical outlets
Charging stations for EVs also use magnets in their construction. Special magnets are built into the charging cables to keep the cable in place and the car connected at all times while the battery is being charged. This ensures that the vehicle is charged quickly and efficiently while increasing the safety and reliability of the charging process.

Magnete fulfills an essential function in the assembly of electric cars. The manufacture of permanent magnet motors, magnet wire, batteries and battery charging is dependent on magnets and the various magnet materials. As the world moves towards more environmentally friendly modes of transport, magnets are being used to crucially increase the efficiency, performance and range of electric vehicles.