400 Wh/kg Ultracaps

[PaulLowrance]

This is amazing, "EEStor claims their examples will offer capacities about 400 W·h/kg. For comparison, a conventional lead-acid battery is typically 30 to 40 W·h/kg and modern lithium-ion batteries are about 160 W·h/kg.",

http://nextbigfuture.com/2009/09/south-korean-company-nesscap-claim.html

[powercat]

Hi Paull
It isn't really news any more as it is on other threads
http://www.overunity.com/index.php?topic=2501.0
EEStor have been making big claims for a few years and raising lots of money and promising lots of things will happen, but so far nothing substantial, apparently they have done a deal with an electric car Company and will deliver their Cap Bat by the end of this year, we will see.

cat

[PaulLowrance]

Hi powercat,

Do you or anyone else know what types of material the "separator" in EDLCs (ultra/super) caps are made of? For starters, they're insulators, right?

http://en.wikipedia.org/wiki/File:Supercapacitor_diagram.svg

Regards,
Paul

[broli]

Yeah EEStor has been buzzing around since 2005 I believe but have yet shown anything publicly, reminds me of Steorn.

[Obelix]

Hey boys,
If you want a very big capacities try making an zinc/air or aluminium/air batterie.
In place of 400Wh/kg you have a three more, about 1400 to 1500 Wh/kg.
And you can DIY yourself !

Obelix