29Dec

Dec 29 2022

Wireless electric vehicle (EV) charging and its challenge

Tony Frank

Product

Wireless electric vehicle (EV) charging, also known as inductive charging, is a technology that allows EVs to be charged without the need for a physical connection to a charging station. Instead, the EV is equipped with a wireless charging pad, and an electromagnetic field is used to transfer energy from the charging station to the EV's battery.

The potential of wireless EV charging systems is significant, as it could make charging EVs more convenient and improve safety by eliminating the need for a physical connection. Wireless EV charging could also be useful in situations where it is difficult or inconvenient to install traditional charging stations, such as in residential areas or in areas with limited infrastructure.

wireless  electric vehicle

However, there are also some challenges to the widespread adoption of wireless EV charging systems. One challenge is the limited range of the electromagnetic field, which means that the EV must be positioned relatively close to the charging station in order to receive a charge. Additionally, the efficiency of wireless EV charging systems is currently lower than that of traditional plug-in charging systems, which means that it can take longer to charge an EV using a wireless system. Finally, the initial cost of implementing a wireless EV charging system, including the cost of the charging pad and the charging station, can be higher than the cost of a traditional charging system.

Despite these challenges, wireless EV charging technology is an area of active research and development, and it is likely that it will play a role in the future of electric transportation. Improvements in technology and economies of scale could help reduce the cost and improve the efficiency of wireless EV charging systems, making them more viable for widespread adoption.

 

There are several companies that provide wireless electric vehicle (EV) charging systems and technology, including:

  1. WiTricity: This company provides a range of wireless EV charging solutions, including home charging systems, commercial charging systems, and public charging stations. They use a proprietary technology called "magnetic resonance," which allows for the transfer of energy over relatively long distances.

  2. Evatran: This company offers the "Plugless" wireless EV charging system, which uses a technology called "inductive coupling" to transfer energy from the charging station to the EV's battery. The Plugless system is available for both residential and commercial applications.

  3. Momentum Dynamics: This company provides wireless EV charging systems for both commercial and public use, using a technology called "high-frequency wireless charging." Their systems are designed to be installed in parking lots, garages, and other locations where EVs are likely to be parked for extended periods of time.

  4. Hevo Power: This company provides wireless EV charging systems for commercial and public use, using a technology called "resonant inductive coupling." Their systems are designed to be installed in parking garages and other locations where EVs are likely to be parked for extended periods of time.

  5. AirCharge: This company provides wireless EV charging solutions for both residential and commercial use, using a technology called "inductive charging." Their systems are designed to be installed in parking garages, driveways, and other locations where EVs are likely to be parked for extended periods of time.

There are many other companies that also provide wireless EV charging systems and technology, and the field is rapidly evolving as new technologies and solutions are developed.

Tags: Wireless electric vehicle (EV) charging

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