thermoelectric

Heat becomes electrical current

Thermoelectric describes the direct conversion between temperature differences and electrical voltage.

Thermoelectric devices can generate electricity from heat or use electricity to create cooling.

The technology appears in specialized applications: thermoelectric generators power spacecraft, while thermoelectric coolers chill portable refrigerators and computer components.

conversion

thermopile

Series-connected temperature-sensing junctions

generator · Carnot

materials

semiconductor

Partial electrical conductor

  • n-typeSemiconductor with electron majority
  • p-typeHole-majority charge carrier semiconductor
  • nanostructuresAtomic-scale engineered arrangements

alloy · conductivity · doping · oxide

cooling

refrigeration

Heat removal for preservation

  • moduleIndependent functional component
applications

spacecraft

Vehicle for outer space

sensors · watches · NASA · Voyager · radioisotope · off-grid · self-powered

Categories
Opposites
energy conversion mechanism

thermoelectricphotovoltaic

Light-to-electricity converting

photoelectric · piezoelectric · electrochemical · electromagnetic · photonic

thermal behavior

thermoelectricisothermal

At uniform temperature

non-conductive · resistive

Family

thermoelectricity

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