On the Strategies to Enhance zT

TL;DR

This review summarizes key strategies for improving the thermoelectric figure of merit zT, addressing the interdependent material properties and guiding researchers through the diverse approaches and breakthroughs in the field.

Contribution

It provides a concise overview of the main methods to enhance zT, clarifying complex literature for researchers.

Findings

Various strategies have been developed to improve zT.

The interdependence of electrical and thermal properties is a key challenge.

The review highlights major breakthroughs and approaches in thermoelectric research.

Abstract

Enhancing the dimensionless figure of merit zT is central to developing better thermoelectric materials and advancing thermoelectric generation technology. However, the intrinsic interdependence between electrical conductivity, the Seebeck coefficient, and thermal conductivity presents a significant challenge. Over time, various strategies have emerged, but the literature remains difficult to navigate due to its widespread distribution across numerous sources. This short review highlights the key approaches to improving zT, offering a clear and concise guide to help researchers understand the major ideas and breakthroughs in the field.