1 Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, SAR, Macau, China; 2 College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China
Abstract The thermoelectric (TE) materials and corresponding TE devices can achieve direct heat-to-electricity conversion, thus have wide applications in heat energy harvesting (power generator), wearable electronics and local cooling. In recent years, aerogel-based TE materials have received considerable attention and have made remarkable progress because of their unique structural, electrical and thermal properties. In this review, the recent progress in both organic, inorganic, and composite/hybrid TE aerogels is systematically summarized, including the main constituents, preparation method, TE performance, as well as factors affecting the TE performance and the corresponding mechanism. Moreover, two typical aerogel-based TE devices/generators are compared and analyzed in terms of assembly modes and output performance. Finally, the present challenges and some tentative suggestions for future research prospects are provided in conclusion.
(Thermoelectric, electrogasdynamic and other direct energy conversion)
Fund: Project supported by Shenzhen Fundamental Research Program (Grant No. JCYJ20200109105604088) and Distinguished Young Talents in Higher Education of Guangdong, China (Project No. 2020KQNCX061).
Lirong Liang(梁丽荣), Xiaodong Wang(王晓东), Zhuoxin Liu(刘卓鑫), Guoxing Sun(孙国星), and Guangming Chen(陈光明) Recent advances in organic, inorganic, and hybrid thermoelectric aerogels 2022 Chin. Phys. B 31 027903
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