New material breaks world record turning heat into electricity

Thermoelectric materials convert heat into electrical energy. The amount of energy that can be generated is measured by the so-called ZT value. The best thermoelectrics to date were measured at ZT values of around 2.5 to 2.8. Scientists have now developed a completely new material with a ZT value of 5 to 6. It is so effective that it could be used to provide energy for sensors or even small computer processors.
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