What are alternatives to peltier tiles?

Are there any alternatives? That are not straight up industrial of course.
Please leave me your suggestions!
 

Dr. Courtney

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What are you trying to accomplish and what are the constraints?
 
What are you trying to accomplish and what are the constraints?
Something that could power a small motor.
 

russ_watters

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How about a battery?
 

Dr. Courtney

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Something that could power a small motor.
Battery, wall plug, solar panels, ...

There seem to be more conditions/constraints. Motors are generally rated in terms of output power and rpm. Small can mean different things in different contexts.
 
Battery, wall plug, solar panels, ...

There seem to be more conditions/constraints. Motors are generally rated in terms of output power and rpm. Small can mean different things in different contexts.
I'd like the function to be the same. Thermal energy must be converted to electrical energy.

Preferably something that is around the same size as a peltier tile, something that could fit in my hand.
Also, it should be easily transportable.

Any options that meet these reqs?
 

russ_watters

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Not really, no. Maybe a small sterling engine.
 

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