Thermoelectric Materials

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Solid-state thermoelectric technology, which could directly convert heat into electricity and vice versa, provides a promising solution for the current energy crisis. The development of high-efficiency thermoelectric materials has recently gained tremendous attention from scientists and engineers in the fields of solid-state physics, chemistry, materials science, and engineering. On the one hand, high-performance thermoelectric devices exhibit multiple advantages for power generation and refrigeration and thus, have been used for deep-space detectors, precise-temperature controllers, waste-heat recovery, solid-state cooling, etc.; on the other hand, the studies of thermoelectric transport have become a significant means to deeply understand the interplay of quasiparticles in emerging materials, i.e., electrons and phonons.

Aiming at promoting further applications and fundamental investigations of thermoelectrics, we organized this special issue in Research by inviting internationally active experts to contribute their high-quality original research and review articles. This special issue covers multiple aspects of recent thermoelectric studies, including rising-star materials, the relationship of microstructure and transport properties, conventional and orbital phase diagram, self-powered wearable thermoelectrics, weak temperature-dependent lattice thermal conductivity, and the magneto-Seebeck effect. We hope you will enjoy reading these exciting articles.

We would like to thank all the contributing authors and the editors of Research for making this fantastic special issue possible.

    Guest Editors

    Prof. Zhifeng Ren, University of Houston, USA

    Prof. Binghui Ge, Anhui University, China

      Table of Contents

      Machine Learning Chemical Guidelines for Engineering Electronic Structures in Half-Heusler Thermoelectric Materials

      Maxwell T. Dylla, Alexander Dunn, Shashwat Anand, Anubhav Jain, and G. Jeffrey Snyder

      Research, vol. 2020, Article ID 6375171, 8 pages, 2020

      Phase Boundary Mapping in ZrNiSn Half-Heusler for Enhanced Thermoelectric Performance

      Xiaofang Li, Pengbo Yang, Yumei Wang, Zongwei Zhang, Dandan Qin, Wenhua Xue, Chen Chen, Yifang Huang, Xiaodong Xie, Xinyu Wang, Mujin Yang, Cuiping Wang, Feng Cao, Jiehe Sui, Xingjun Liu, and Qian Zhang

      Research, vol. 2020, Article ID 4630948, 9 pages, 2020

      Manipulation of Band Degeneracy and Lattice Strain for Extraordinary PbTe Thermoelectrics

      Yixuan Wu, Pengfei Nan, Zhiwei Chen, Zezhu Zeng, Siqi Lin, Xinyue Zhang, Hongliang Dong, Zhiqiang Chen, Hongkai Gu, Wen Li, Yue Chen, Binghui Ge, and Yanzhong Pei

      Research, vol. 2020, Article ID 8151059, 12 pages, 2020

      High Thermoelectric Performance of Cu-Doped PbSe-PbS System Enabled by High-Throughput Experimental Screening

      Li You, Zhili Li, Quanying Ma, Shiyang He, Qidong Zhang, Feng Wang, Guoqiang Wu, Qingyi Li, Pengfei Luo, Jiye Zhang, and Jun Luo

      Research, vol. 2020, Article ID 1736798, 8 pages, 2020

      Largely Suppressed Magneto-Thermal Conductivity and Enhanced Magneto-Thermoelectric Properties in PtSn4

      Chenguang Fu, Satya N. Guin, Thomas Scaffidi, Yan Sun, Rana Saha, Sarah J. Watzman, Abhay K. Srivastava, Guowei Li, Walter Schnelle, Stuart S. P. Parkin, Claudia Felser, and Johannes Gooth

      Research, vol. 2020, Article ID 4643507, 8 pages, 2020

      The Thermoelectric Properties of n-Type Bismuth Telluride: Bismuth Selenide Alloys Bi2Te3-xSex 

      Ian T. Witting, Francesco Ricci, Thomas C. Chasapis, Geoffroy Hautier, and G. Jeffrey Snyder

      Research, vol. 2020, Article ID 4361703, 15 pages, 2020

      Defects Engineering with Multiple Dimensions in Thermoelectric Materials

      Chenxi Zhao, Zhou Li, Tianjiao Fan, Chong Xiao, and Yi Xie

      Research, vol. 2020, Article ID 9652749, 23 pages, 2020

      N-Type Mg3Sb2-xBix Alloys as Promising Thermoelectric Materials

      Hongjing Shang, Zhongxin Liang, Congcong Xu, Jun Mao, Hongwei Gu, Fazhu Ding, and Zhifeng Ren

      Research, vol. 2020, Article ID 1219461, 8 pages, 2020

      High-Performance Mg3Sb2-xBix Thermoelectrics: Progress and Perspective

      Airan Li, Chenguang Fu, Xinbing Zhao, and Tiejun Zhu

      Research, vol. 2020, Article ID 1934848, 22 pages, 2020

      The Electronic Transport Channel Protection and Tuning in Real Space to Boost the Thermoelectric Performance of Mg3+δSb2-yBiy near Room Temperature

      Zhijia Han, Zhigang Gui, Y. B. Zhu, Peng Qin, Bo-Ping Zhang, Wenqing Zhang, Li Huang, and Weishu Liu

      Research, vol. 2020, Article ID 1672051, 12 pages, 2020

      Achieving High Thermoelectric Performance in Rare-Earth Element-Free CaMg2Bi2 with High Carrier Mobility and Ultralow Lattice Thermal Conductivity

      Muchun Guo, Fengkai Guo, Jianbo Zhu, Li Yin, Qian Zhang, Wei Cai, and Jiehe Sui

      Research, vol. 2020, Article ID 5016564, 10 pages, 2020

      Violation of the T-1 Relationship in the Lattice Thermal Conductivity of Mg3Sb2 with Locally Asymmetric Vibrations

      Yifan Zhu, Yi Xia, Yancheng Wang, Ye Sheng, Jiong Yang, Chenguang Fu, Airan Li, Tiejun Zhu, Jun Luo, Christopher Wolverton, G. Jeffrey Snyder, Jianjun Liu, a

      Research, vol. 2020, Article ID 4589786, 10 pages, 2020