Journal ArticleDOI
High ZT in p-Type Thermoelectric (Bi,Sb)2Te3 with Built-in Nanopores
TLDR
In this article , high-TE-performance Bi2Te3-based Peltier devices utilizing thermoelectric (TE) materials are used for precise temperature management in 5G and next-generation communication technologies.Abstract:
Peltier devices utilizing thermoelectric (TE) materials are expected to be used for precise temperature management in 5G and next-generation communication technologies. This demand has driven efforts to develop high-TE-performance Bi2Te3-based...read more
Citations
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Journal ArticleDOI
Solid-State Cooling: Thermoelectrics
TL;DR: The growing demand of thermal management on various fields such as miniaturized 5G chips have motivated researchers to develop new and high-performance solid state refrigeration technologies, typically including multicaloric and... as discussed by the authors .
Journal ArticleDOI
Interstitial Cu: An Effective Strategy for High Carrier Mobility and High Thermoelectric Performance in GeTe
Liang Yin,Wei-Di Liu,Meng Li,De-Zhuang Wang,Hao Wu,Yifeng Wang,Lixiong Zhang,Qingfeng Liu,Zhigang Chen +8 more
TL;DR: In this article , the doping behavior of interstitial Cu in GeTe-based thermoelectric materials was investigated for the first time and it was shown that the localized interstitial CU is a new strategy to enhance the performance of GeTe•based materials and achieved an energy conversion efficiency of ≈10% at a temperature difference of 423 K.
Journal ArticleDOI
High Thermoelectric Performance of p-Type Bi0.4Sb1.6Te3+x Synthesized by Plasma-Assisted Ball Milling.
Duo Liu,Bangrui Zhu,Jianghe Feng,Yifeng Ling,Jing Zhou,Guojuan Qiu,Menghui Zhou,Juan Li,Xu Liang Hou,Baoguo Ren,Yan Huang,Ruiheng Liu +11 more
TL;DR: In this article , a simple synthesis method of the plasma-assisted ball milling, which yielded finer nanopowders, higher texture of in-plane direction, and higher efficiency compared to the traditional ball-milling, favoring the simultaneous improvement of electrical and thermal properties.
Journal ArticleDOI
High thermoelectric performance in p-type InSb with all-scale hierarchical architectures
TL;DR: In this paper , the switch of InSb from its intrinsic n-type to p-type semiconductor nature through the substitution of Zn for In was realized, and to reduce the high thermal conductivity of P-type In-Sb, MnO2 was added into p-Type InSB matrix.
Journal ArticleDOI
Synergistically Enhanced Thermoelectric and Mechanical Performance of Bi2te3 Via Industrial Scalable Hot Extrusion Method for Cooling and Power Generation Applications
Tianbo Lu,Boyi Wang,Guodong Li,Jiawei Yang,Xiaofan Zhang,Nan Chen,Tengteng Liu,Rong-Jia Yang,Pingjuan Niu,Zongxiang Kan,Hangtian Zhu,Huaizhou Zhao +11 more
References
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Journal ArticleDOI
What Will 5G Be
Jeffrey G. Andrews,Stefano Buzzi,Wan Choi,Stephen V. Hanly,Angel Lozano,Anthony C. K. Soong,Jianzhong Charlie Zhang +6 more
TL;DR: This paper discusses all of these topics, identifying key challenges for future research and preliminary 5G standardization activities, while providing a comprehensive overview of the current literature, and in particular of the papers appearing in this special issue.
Journal ArticleDOI
High-Thermoelectric Performance of Nanostructured Bismuth Antimony Telluride Bulk Alloys
Bed Poudel,Qing Hao,Yi Ma,Yucheng Lan,Austin J. Minnich,Bo Yu,Xiao Yan,Dezhi Wang,Andrew Muto,Daryoosh Vashaee,Xiaoyuan Chen,Jun-Ming Liu,Mildred S. Dresselhaus,Gang Chen,Zhifeng Ren +14 more
TL;DR: Electrical transport measurements, coupled with microstructure studies and modeling, show that the ZT improvement is the result of low thermal conductivity caused by the increased phonon scattering by grain boundaries and defects, which makes these materials useful for cooling and power generation.
Journal ArticleDOI
Lower limit to the thermal conductivity of disordered crystals
TL;DR: These measurements support the claim that the lattice vibrations of these disordered crystals are essentially the same as those of an amorphous solid, based on a model originally due to Einstein.
Journal ArticleDOI
Dense dislocation arrays embedded in grain boundaries for high-performance bulk thermoelectrics
Sang-Il Kim,Kyu Hyoung Lee,Hyeon A. Mun,Hyun-Sik Kim,Hyun-Sik Kim,Sungwoo Hwang,Jong Wook Roh,Dae Jin Yang,Weon Ho Shin,Xiang Shu Li,Young Hee Lee,G. Jeffrey Snyder,G. Jeffrey Snyder,Sung Wng Kim +13 more
TL;DR: A dramatic improvement of efficiency is shown in bismuth telluride samples by quickly squeezing out excess liquid during compaction, which presents an attractive path forward for thermoelectrics.
Journal ArticleDOI
Characterization of Lorenz number with Seebeck coefficient measurement
TL;DR: In this article, a first order correction to the degenerate limit of L can be found based on the measured thermopower, |S|, independent of temperature or doping.