What are alternatives to peltier tiles?

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SUMMARY

The discussion centers on alternatives to Peltier tiles for converting thermal energy to electrical energy, specifically for powering small motors. Participants suggest options such as batteries, wall plugs, and solar panels, while emphasizing the need for solutions that are compact and easily transportable. A notable suggestion is the small Stirling engine, which could potentially meet the size and functionality requirements. However, no direct alternatives that match all specified constraints were identified.

PREREQUISITES
  • Understanding of thermal energy conversion methods
  • Familiarity with small motor specifications (output power and RPM)
  • Knowledge of compact energy sources (batteries, solar panels)
  • Basic principles of Stirling engines
NEXT STEPS
  • Research small Stirling engine designs and their applications
  • Explore battery technologies suitable for small motor applications
  • Investigate solar panel options for portable energy generation
  • Learn about the efficiency and limitations of Peltier tiles versus alternatives
USEFUL FOR

This discussion is beneficial for engineers, hobbyists, and inventors looking for efficient and compact energy conversion solutions for small motors, as well as those exploring alternatives to Peltier tiles.

DazedAura
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Are there any alternatives? That are not straight up industrial of course.
Please leave me your suggestions!
 
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What are you trying to accomplish and what are the constraints?
 
Dr. Courtney said:
What are you trying to accomplish and what are the constraints?
Something that could power a small motor.
 
DazedAura said:
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.
 
Dr. Courtney said:
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?
 

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