Rational design from materials to devices enables an efficiency of 10.5% based on thermoelectric (Bi, Sb)<sub>2</sub>Te<sub>3</sub> and Mg<sub>3</sub>(Bi, Sb)<sub>2</sub> for power generation

Authors: Yuxin Sun, Yuke Zhu, Hao Wu, Nuo Qu, Liangjun Xie, Jianbo Zhu, Zihang Liu, Qian Zhang, Wei Cai, Fengkai Guo, Jiehe Sui

Published: 2023-12-07

DOI: 10.1039/d3ee03411a

Source: Full article

Abstract

A highly competitive ZTave of 1.23 from 303 K to 523 K is achieved in (Bi, Sb)2Te3 by composition regulation. An efficiency of 10.5% and a power density of 0.53 W cm−2 under a ΔT of 380 K are achieved in (Bi, Sb)2Te3/Mg3(Bi, Sb)2 segmented modules.