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This is a discussion on ultracapacitor use in hybrids within the Other Cars forums, part of the PriusChat Forums category; anyone have any take on why current hybrids haven't made use of ultracaps yet? the closest thing i've seen to-date ...


ultracapacitor use in hybrids

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Old 02-28-2004, 12:38 PM   #1
glade
 
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Default ultracapacitor use in hybrids

anyone have any take on why current hybrids haven't made use of ultracaps yet? the closest thing i've seen to-date is a bmw x-5 hybrid prototype. the ultracaps only allowed it to have a 7-second boost, but my understanding is that ultracaps do a better job of collecting waste energy from braking. here's the article: http://www.autoexpress.co.uk/?http://www.a...ry.php?id=38421

any thoughts on this? it seems that oems could use ultracaps and a battery to provide a quick boost at first, followed by steady power for lower speeds.

on a related note, why is it that we aren't seeing lithium ions in hybrids? cost? availability? are there disadvantages to li ion?
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