Recent advances in ionic thermoelectric systems and theoretical modelling

Nazish Jabeen, Muhammad Muddasar, Nicolás MenEndez, Mohammad Ali Nasiri, Clara M. Gómez, Maurice N. Collins, Rafael Muñoz-Espi, Andres Cantarero, Mario Culebras

Research output: Contribution to journalReview articlepeer-review

Abstract

Converting waste heat from solar radiation and industrial processes into useable electricity remains a challenge due to limitations of traditional thermoelectrics. Ionic thermoelectric (i-TE) materials offer a compelling alternative to traditional thermoelectrics due to their excellent ionic thermopower, low thermal conductivity, and abundant material options. This review categorizes i-TE materials into thermally diffusive and thermogalvanic types, with an emphasis on the former due to its superior thermopower. This review also highlights the i-TE materials for creating ionic thermoelectric supercapacitors (ITESCs) that can generate significantly higher voltages from low-grade heat sources compared to conventional technologies. Additionally, it explores thermogalvanic cells and combined devices, discussing key optimization parameters and theoretical modeling approaches for maximizing material and device performance. Future directions aim to enhance i-TE material performance and address low energy density challenges for flexible and wearable applications. Herein, the cutting-edge of i-TE materials are comprehensively outlined, empowering researchers to develop next-generation waste heat harvesting technologies for a more sustainable future.

Original languageEnglish
Pages (from-to)14122-14153
Number of pages32
JournalChemical Science
Volume15
Issue number35
DOIs
Publication statusPublished - 20 Aug 2024

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