WiTricity’s new wireless charging system is designed for flexibility and interoperability

Toyota Prius Wireless Charging

Wireless charging pioneer WiTricity has announced a new charging system that uses magnetic resonance technology to deliver a range of power over distance and through materials.

According to the company, its new system enables power transfer at up to 11 kW, and has the ability to scale up to 25 kW and higher. WiTricity, in cooperation with Nissan, has successfully completed testing and validation of a 7.7 kW version of the system under a testing program sponsored by the SAE wireless power transfer task force.

Several major automakers are developing wireless charging systems for their plug-in vehicles, and the first wireless-enabled models are due to go on sale in 2017. Ideally, wireless charging systems will be interoperable across brands, so that any EV can charge wirelessly at home and at public charging spots.

WiTricity’s products are designed for interoperability, and work with different vehicle brands and models. The company is involved in the development of international standards through its participation in industry groups including SAE, IEC/ISO, DKE (Germany) and CATARC (China).

WiTricity’s new system works at 3.7 kW, 7.7 kW and 11 kW.  The charger can be deployed as a floor pad in a consumer’s garage, and can be installed below pavement to provide wireless charging in public parking lots. System efficiency is 91 to 94 percent, comparable to wired charging systems. The company has announced licensing agreements with Toyota, Delphi, TDK, IHI and BRUSA.

“Having engaged with the automakers to comprehend their key requirements, I’m confident in the huge impact WiTricity can deliver for the industry and consumers,” said CEO Alex Gruzen. “Simplifying the charging experience is foundational to broad EV adoption. This system will help drivers get power conveniently and efficiently without having to think of plugging in.”

 

Source: WiTricity

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