Getting an electric car to charge while driving seems to be a bold idea, and Qualcomm hopes to do so. According to foreign media reports, Qualcomm is developing a "dynamic wireless charging" technology to alleviate the driver's mileage anxiety: just drive on the road, you can charge the car. Qualcomm President Derek Aberle said at the recent Mobile World Congress that "the future will deploy charging equipment on the road, and the electric car will automatically charge while driving."
"This technology will have many benefits, such as the endless mileage of electric vehicles. In addition, many people will forget to charge the car when they go home at night, and wake up to find that the battery has no electricity. This technology will solve This kind of problem," Aberle explained.
In 2014, Qualcomm introduced the Halo vehicle wireless charging system in the first Formula E. The Halo wireless charging system consists of four parts: a power supply unit, a charging pad, a car receiver board, and a vehicle controller. The basic principle of this technology is similar to the charging method of mobile devices used by most people today. The magnetic resonance effect is used to realize the energy transmission between the ground charging board and the electric vehicle charging board, thereby implementing the power battery pack of the electric or hybrid vehicle. Non-contact charging.
The owner only needs to park the vehicle above the charging pad to achieve charging. The Halo wireless charging system can achieve 90% charging efficiency, exceeding the cable charging efficiency. The charging system can be up to 20 kW, and the battery pack of the 85 kWh Tesla MODEL S P85 takes about 5 hours.
Aberle said that Halo wireless charging (static wireless charging technology) will be applied to cars in the next two to three years. Qualcomm is working with car manufacturer DaimlerChrysler to install a new generation of static wireless charging systems for cars.
Dynamic wireless charging technology is an advanced version of Halo wireless charging. Qualcomm said it plans to bury the wireless charging transmitter under the road in the future, and the electric vehicle can drive and charge on these road sections. However, this kind of wireless charging of a moving car requires modification of the road infrastructure, which takes time and costs.
Intel had planned to deploy laptop wireless charging systems at airports, restaurants and other public places, and was resisted by the need to transform the infrastructure. Progress has been slow.
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