Ultra-low lattice thermal conductivity realizing ultra-high performance Bi0.48Sb1.52Te3-based thermoelectric material and module

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Abstract
By adding “weakly-active” SGPT and Cu, differentiated electro-phonon scattering centers are induced to significantly suppress κph with μ less affected, leading to a ZTave of 1.32 and a η of 6.8%.
Funding Information
  • National Natural Science Foundation of China (U21A2079)
  • China Postdoctoral Science Foundation (GZC20232795)
  • International Cooperation Project of Ningbo City (2023H002)
  • Science and Technology Innovation 2025 Major Project of Ningbo Municipality (2022Z187)

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