Recent developments in half-Heusler thermoelectric materials

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This decade has seen many important advances in the field of half-Heusler thermoelectrics, including the discovery of new high-ZT materials and significant progress in established compositions. This has resulted from improved preparation, effective use of nanostructuring, and adaptation of band structure engineering concepts. A range of possible n- and p-types is now available with peak power factors, S2σ ≥ 5–6 mW m−1 K−2, and figures of merit, ZT ≥ 1. This outstanding performance, combined with elemental abundance, good mechanical properties and temperature stability, make these materials one of the main candidates for commercial exploitation. This chapter provides an overview of the current major research directions in half-Heusler thermoelectrics for use at high temperatures.
Original languageEnglish
Title of host publicationThermoelectric Energy Conversion
Subtitle of host publicationTheories and Mechanisms, Materials, Devices, and Applications
PublisherWoodhead Publishing Ltd.
Pages125-142
Number of pages18
ISBN (Print)9780128185353
DOIs
Publication statusPublished - 2021

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