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Materials for energy

Materials for energy

Polycrystalline thermoelectric breaks record for heat conversion efficiency

30 Aug 2021 Isabelle Dumé
Photo of tin selenide pellets. The material is dull grey in colour and somewhat reflective
High performer Purified tin selenide shown in pellet form. The material's thermoelectric performance is extraordinarily high. (Courtesy: Northwestern University)
Researchers in Korea and the US have created the most efficient thermoelectric material to date. The

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Isabelle Dumé is a contributing editor to Physics World
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