Quote:
Originally Posted by Steve Jordan
But possibly using some other source of existing heat (such as tire and brake friction) to convert to electrical or compressive energy would be a better use of heat exchange. When added to the electric plant of an EV, it could provide additional power for acceleration, or help to power on-board devices.
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They tried this in Formula 1 Racing last year. The
KERS (Kinetic Energy Recovery System) would recover energy produced under braking, store it and use it to provide a boost of acceleration when needed. It was generally not considered a success and is not being used for this year's racing (although there's rumours of it coming back again next year). Basically the weight of the system was considered to outweigh it's practical advantages.