Enhanced thermoelectric performance in Bi_0.5Sb_1.5Te₃/SiC composites prepared by low-temperature liquid phase sintering

Abstract

Amongst thermoelectrics, Bi2Te3 is special owing to its peak performance near room temperature, which enables it to be used for both energy harvesting and cooling. Despite the extensive studies on...

High‐Efficiency Thermoelectric Module Based on High‐Performance Bi0.42Sb1.58Te3 Materials

“…Recently, many preparation techniques such as high energy ball milling and following by hot pressing (HP), [17,18] spark plasma sintering (SPS), [19][20][21] melt spinning (MS), [22][23][24] and hot deformation (HD) [25][26][27] have been applied to enhance the mechanical strength of Bi 2 Te 3 -based material. [28][29][30][31] Unfortunately, the obtained ZT values by these sintering methods are some lower than expected.…”

Enhancing Thermoelectric Properties of Bi2Te3-Based Pellets through Low-Temperature Liquid Phase Sintering and Heat Treatment

“…Meanwhile, the obtained material shows an ultralow lattice thermal conductivity of 0.57 Wm –1 K –1 . The same method was further utilized to prepare p-type Bi 0.5 Sb 1.5 Te 3 /SiC composites demonstrating a power factor of 2.3 × 10 –3 W/mK 2 and an average ZT value of up to 0.87 by combining with subsequent heat treatment . This demonstrates that the low-temperature liquid phase sintering method can successfully enhance the thermoelectric performance of the Bi 2 Te 3 -based materials.…”

Suppressing Ag2Te nanoprecipitates for enhancing thermoelectric efficiency of AgSbTe2

“…11–15 Furthermore, researchers have explored a range of strategies to effectively reduce lattice thermal conductivity, including the introduction of various types of defects, the manipulation of lattice anharmonicity, the utilization of complex structures, and the application of lattice strain. 16–24 In recent years, several standout materials have risen to prominence as top performers in the field of thermoelectrics. Notable among these are compounds based on GeTe, SnSe, Cu 2 Se, Mg 3 Sb 2 , and AgSbTe 2 .…”