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thermoelectric generator

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Peltier elements ...

Peltier elements are usually crystals of Bismuth Telluride in a np junction, with the crystal doped with phosphorus for the n-side and doped with boron on the p-side to create a strong Seebeck coefficient and allow electrons to move from the n to p side creating an electrical current in response to a temperature differential.

if you put ...

if you put electricity into it produces heat on one side and cold on the other

geothermal power ...

geothermal power plants anyone?

I ended up buying ...

I ended up buying four of these rated at 68watts a few months ago from a local electrical store. The guy at the store thought I was crazy and was going to use them for a refrigerator haha.

Semiconductors are ...

Semiconductors are quite notorious for things like this, for example they exhibit Thermoelectric effect (thero=heat giving electricity), photoelectric effect (photo=light (or photons) giving electricity) photoluminescence (light of one color (or should I say wavelength), giving luninescence i.e light of another color (or should I say wavelength)) It all comes down to the small band gap they have which means that little energy is needed for electrons to go from valence band to conduction band and photons are quite sufficient to provide this level of enery for electron excitation, these could be photons from infrared radiation (which comes from anything having any temperature, which is just about everything, but it is strong from hot objects (relatively speaking)) or visible light (which is also from the electromangetic radiation spectrum and thus made up of photons). Semiconductors may not have many charge carriers under the our average ambient conditions, but a little heat or some strong light from a lamp can increase the charge concentration immensly giving us effects like the one above due to charge flow. I am an electronic engineer by the way.

once the water ...

once the water temperature equalised, what would happen if you turned the motor manually? Would heat be drawn from one tank over to the other?

Made of 2 ...

Made of 2 semiconductors. One with excess electrons one with not enough electrons. 

Does this translate ...

Does this translate into home or industrial applications? Could I light a candle under a metal pail of water and theoretically power a mini fridge?

Where can I buy the ...

Where can I buy the peltier tile only!!!!! PLEASE HELP!!!!!

how to make the ...

how to make the white one with wire and what is that???

does anyone know ...

does anyone know what "the element" consists of? and where i can buy one from if anyone sells them?

Splash splash ...

Splash splash splash

my sensei, wanna ...

my sensei, wanna learn more please... your vids are great, so petit to be awesome! 

I think power ...

I think power company's should look into this type of electric power generation like in New Zealand with the hot water coming out of the ground.

are the wires sir ...

are the wires sir ...part nitinol or gold-cadium ?

wow

wow

Thermoelectric ...

Thermoelectric Generator

nice

nice

oop, splash splash ...

oop, splash splash splash.

termocoppia

termocoppia

hello, I'd like to ...

hello, I'd like to know the temperature difference at each side and how large the voltage is generated?

thermo electric ...

thermo electric generator

here's a juicy bit ...

here's a juicy bit of science

For those asking ...

For those asking where you can get a thermoelectric tile, here is one available from Sparkfun: https://www.sparkfun.com/products/10080

Which battery is ...

Which battery is used in between the two metals?