Sumitomo Unveils Electric Car Powered by Superconducting Motor
Sumitomo Electric Industries Ltd prototyped an electric vehicle driven by a superconducting motor for the first time in the world.
The new electric vehicle will be showcased at 2008 Integrated Exhibition of the Environment in Celebration of the Hokkaido Toyako Summit in Sapporo, Hokkaido in Japan from June 19, 2008. The company intends to prove the feasibility of high-temperature superconductivity technology for electric vehicle motors and promote the technology to the public.
In a standard electric vehicle motor, the coil is supplied with a slightly lower current and a slightly higher voltage to reduce electric resistance. However, it is difficult to generate a higher torque with a lower current.
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