Using wood heat for more than heat

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dafattkidd

dafattkidd

Minister of Fire
Hearth Supporter
Dec 11, 2007
1,875
Long Island
So someone posted this incredible product on another thread (broken link removed to http://www.biolitestove.com/campstove/camp-overview/features/)

How far of a stretch is it to use this same technology and better utilize all the energy produced by wood heat?
Examples:
  • self powered fans on inserts/stoves
  • extra electrical outlets to power/charge small appliances or devices
If this small product can generate enough power to run a small fan and charge a cell phone, I can only imagine the energy generated from a larger source would be significantly greater. I would love to hear your opinions, especially the engineer minded members. Thanks.
 
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Wow, how cool is that?? Nice find.
 
The Biolite stove uses peltier plates for generating electricity

They are usually used the other direction, using electricity to cool electronics. If you buy a couple(they are cheap 2-3 dollars apiece) you could rig a powerhouse for something run off the heat of your wood stove. A radio, small Fan, or if your off grid a few of them could be used to charge small electronics. If you got really ambitious you could charge a small bank of Deep Cell Batteries that would give you power during the winter. Here are a couple of links to show you what is going on. If you rigged up a water cooling system for the cold side they would work even better. Try a small passive radiator sitting against a exterior window and some thin copper tube running to a heat ex changer attached to the peltier plate sitting on the stove.

I have been looking at this since last year when I installed my woodstove.
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[Hearth.com] Using wood heat for more than heat

http://www.instructables.com/id/DIY-Stove-Fan-for-under-50/
 
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Great responses! Interesting ideas. Begreen I'll read through those other threads.
 
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