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RE: The Seebeck Effect: How to generate electricity from heat using two coins
This is an interesting article. I'm just imagining if this concept can be combined with sun's heat energy to produce some reasonable productivity. Metal that we use will also matter. Not sure how big the apparatus will become to get an efficient output that can actually be useful to us. (By the way, I live in a place where sun fries us all with heat during summer. :))
Remember that this is based on heat transfer! You could absolutely harvest energy using this thing from the sun, but you would need a way to keep the other end of the device cold so that heat could continuously flow from one side to the other. Perhaps a dark coating on one side and a reflective coating on the other would cause more heat to flow from the dark side to the reflective side?
Let me know if you try it!