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profdant139's avatar
profdant139
Explorer II
Apr 30, 2013

Mini fuel cell generates electricity directly from fire

This company is apparently now shipping these little fuel cells -- you stick one end in a flame, and the other end charges a cell phone: Point Source Power site No word on how much this "Voto" u...
camperpaul's avatar
camperpaul
Explorer
Apr 30, 2013
HiTech wrote:
I had wondered if it were something like running a peltier junction in reverse. I guess so.

Jim


At those temperatures, the peltier junction would melt.

Iron-constantan thermocouples work very nicely up to 800°C.

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