Ultra-low lattice thermal conductivity realizing ultra-high performance Bi<sub>0.48</sub>Sb<sub>1.52</sub>Te<sub>3</sub>-based thermoelectric material and module
Hongtao Li, Lidong Chen, Zhe Guo, Gang Wu, Xiaojian Tan, Qiang Zhang, Jianfeng Cai, Qianqian Sun, Jacques Noudem, Peng Sun, Jiehua Wu, Guoqiang Liu, Jun Jiang
Abstract
By adding “weakly-active” SGPT and Cu, differentiated electro-phonon scattering centers are induced to significantly suppress κ ph with μ less affected, leading to a ZT ave of 1.32 and a η of 6.8%.
Topics & Concepts
Thermoelectric effectMaterials scienceThermal conductivityThermoelectric materialsLattice (music)Condensed matter physicsEngineering physicsOptoelectronicsComposite materialPhysicsThermodynamicsAcousticsAdvanced Thermoelectric Materials and DevicesThermal Radiation and Cooling TechnologiesThermal properties of materials