another step toward viable plug-in hybrid electric cars.....
- From: abelard <abelard3@xxxxxxxxxxx>
- Date: Mon, 14 Jan 2008 00:11:41 +0100
ultra-capacitors used as a battery adjunct to provide
power density while protecting the expensive batteries...
http://www.nytimes.com/2008/01/13/automobiles/13ULTRA.html?_r=1&pagewanted=1&ref=automobiles&oref=slogin
"The prototype is based on a Saturn Vue Green Line, a hybrid crossover
that General Motors builds using a low-cost belt-alternator system for
its electric drive. With extensive modifications, AFS Trinity?s Vue
can run 40 miles on electricity alone, the company says, drawing its
power from a combination of lithium-ion batteries and scaled-up
versions of common electrical devices called capacitors."
....
"Typically, hybrids exploit the synergies of electricity and internal
combustion by using only an electric motor at low speeds; the gas
engine kicks in as speed increases, and both are used when maximum
output is called for. AFS Trinity, on the other hand, took a purist
position. In its system, the gasoline engine is not started until the
batteries run down..."
still expensive and a lot of extra weight to lug around....
regards
--
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