Thursday, September 13, 2007

EEStor's Ultracapacitor That Isn't (Just Yet?)

I'll start with this January, 2007 piece at MIT's Technology Review that breathlessly announced EEStor's ultracapacitor; there was recently an AP piece about U.S. Patent 7,033,406, which claimed to cover the thing. The big advance claimed is a huge increase in permittivity even in cold weather and at high voltages, something others in the field say has not been done with years of research invested. Now it looks like they're delaying product shipment until 2008. Hm...