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Toshiba Touts Wireless Battery Charging System

Toshiba Corp. has developed a wireless battery charging system for electric vehicles that it plans to test in electric buses this year in Japan.
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Toshiba Corp. has developed a wireless battery charging system for electric vehicles that it plans to test in electric buses this year in Japan.

The contactless charger allows buses equipped with Toshiba’s 53-kWh lithium-ion battery pack to be partially recharged in about 15 minutes when they are parked over the system. Toshiba developed the magnetic resonance-based charging unit with Yushi Kamiya, who is an engineering professor at Waseda University in Tokyo.

The 45-seat shuttle bus will make regular trips between Nippon Airways Co. and Haneda Airport in Tokyo. The 7-mile trip will test the bus and charging system under various real-world conditions, Toshiba notes.

When fully charged, the bus can travel about 55 miles. Toshiba says the battery maintains performance levels after 15,000 quick charge and discharge cycles.

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