Explanipedia

Multifactor roadmap for designing low‐power‐consumed micro thermoelectric thermostats in a closed‐loop integrated 5G optical module Open

Dongwang Yang, Yubing Xing, Jiang Wang, Kai Hu, Yani Xiao , et al. · 2024

As the core components of fifth‐generation (5G) communication technology, optical modules should be consistently miniaturized in size while improving their level of integration. This inevitably leads to a dramatic spike in power consumptio…

Synergistic Regulation of Texture and Low-Angle Grain Boundaries Enables Mechanically Robust P-Type Bi2te3- Based Compounds with Superior Thermoelectric Performance Open

Shuo Chen, Tingting Luo, Junjie Li, Lin Liao, Yutian Liu , et al. · 2024

Thermally Enhanced Substrate Design for Flexible Thermoelectric Devices Via Ultrasonic Welding Open

Yuting Wang, Dongwang Yang, Dan Li, Jianan Lyu, Yutian Liu , et al. · 2024

The Transient Cooling Performance of a Compact Thin-Film Thermoelectric Cooler with Horizontal Structure Open

Tingzhen Ming, Lijun Liu, Peng Zhang, Yonggao Yan, Yongjia Wu · 2023

Thermoelectric cooling is an ideal solution for chip heat dissipation due to its characteristics of no refrigerant, no vibration, no moving parts, and easy integration. Compared with a traditional thermoelectric device, a thin-film thermoe…

Optimal Design of Wearable Micro Thermoelectric Generator Working in a Height-Confined Space Open

Kechen Tang, Dongwang Yang, Yubing Xing, Jiang Wang, Kai Hu , et al. · 2023

With the increasing development of self-powered wearable electronic devices, there is a growing interest in thermoelectric generators (TEGs). To achieve more comprehensive and reliable functionality of wearable devices, improving the power…

Effect of Surface Treatment of n-type Bi2Te3-based Materials on the Properties of Thermoelectric Units Open

Siheng Hua, Dongwang Yang, Hao Tang, Xiong Yuan, Ruoyu ZHAN , et al. · 2023

n 型 Bi 2 Te 3 基材料表面处理对热电单元性能的影响华思恒, 杨东旺, 唐昊, 袁雄

Laser-induced Self-propagating High-temperature Synthesis of Skutterudite Open

Lei Yao, Dongwang Yang, Yonggao Yan, Xinfeng Tang · 2023

Thermoelectric Energy Extraction in Motion Scenarios: Self-Powered Temperature and Pressure Detector in an Automobile Tire Open

Dongwang Yang, Jiang Wang, Yubing Xing, Kai Hu, Jianan Lyu , et al. · 2023

Thermoelectric Energy Extraction in Motion Scenarios: Self-Powered Temperature and Pressure Detector in an Automobile Tire Open

Dongwang Yang, Jiang Wang, Yubing Xing, Kai Hu, Jianan Lyu , et al. · 2023

Hygrothermal Stability of Bi2Te3-based Thermoelectric Materials Open

Yani XIAO, Jianan LYU, Zhenming Li, Mingyang LIU, Wei Liu , et al. · 2023

Interface performance of Bi2Te3-based micro thermoelectric devices optimized synergistically by surface modification engineering Open

Hao Tang, Hui Bai, Jia-Nan Lü, Siheng Hua, Yonggao Yan , et al. · 2022

The miniaturization of thermoelectric devices raises a strong requirement for the excellent interfacial properties of thermoelectric elements. Thus, achieving a heterogeneous interface with low interfacial contact resistivity and high inte…

Research on The Bonding Properties of Vitrified Bonds With Porous Diamonds and The Grinding Performance of Porous Diamond Abrasive Tools Open

Jianwei Li, Wenjun Fang, Long Wan, Xiaopan Liu, Weida Hu , et al. · 2021

Ordinary diamond presents the disadvantages of poor self-sharpening and concentrated grinding stress when it is used as an abrasive. Moreover, this kind of diamond cannot be well wetted by the vitrified bond, resulting in a lower holding f…

Achieving superior performance in thermoelectric Bi0.4Sb1.6Te3.72 by enhancing texture and inducing high-density line defects Open

Junhao Qiu, Yonggao Yan, Hongyao Xie, Tingting Luo, Fanjie Xia , et al. · 2021

Optimal Design of Annular Thermoelectric Generator System Under Multiple Operating Conditions Considering Comprehensive Economy Performance Open

Wenchao Zhu, Wenlong Yang, Yang Yang, Yang Li, Hao Li , et al. · 2021

Thermoelectric properties of phase separated Ti substituted Zr0.75Hf0.25NiSn0.985Sb0.015 half-Heuslers Open

Rizwan Akram, Yonggao Yan, Mozaffar Hussain, Xiaoyu She, Xinfeng Tang · 2020

Sb is a very effective dopant for ZrNiSn based half-Heusler alloys. The effect of Ti substitution on Zr0.75Hf0.25NiSn0.985Sb0.015 half-Heusler (HH) semiconductor alloys has been investigated to explore the structural modifications and comp…

Discordant nature of Cd in GeTe enhances phonon scattering and improves band convergence for high thermoelectric performance Open

Evariste Nshimyimana, Shiqiang Hao, Xianli Su, Cheng Zhang, Wei Liu , et al. · 2019

Alloying CdTe in GeTe promotes the band convergence and intensifies phonon scattering due to the discordant nature of Cd in GeTe. Upon optimizing carrier concentrationviaSb doping, we obtain a peakZTof 1.8 at 700 K and a high averageZTof 1…

Large Thermal Conductivity Drops in the Diamondoid Lattice of CuFeS2 by Discordant Atom Doping Open

Hongyao Xie, Xianli Su, Shiqiang Hao, Cheng Zhang, Zhengkai Zhang , et al. · 2019

Doping in a lattice refers to the introduction of very small quantities of foreign atoms and has a generally small effect on decreasing the lattice thermal conductivity, unlike alloying which involves large fractions of other elements and …

Optimizing the average power factor of p-type (Na, Ag) co-doped polycrystalline SnSe Open

Si Wang, Xianli Su, Trevor P. Bailey, Tiezheng Hu, Zhengkai Zhang , et al. · 2019

(Na, Ag) co-doping combines the advantages of Ag and Na single doping in terms of the electronic properties.

One-step ultra-rapid fabrication and thermoelectric properties of Cu2Se bulk thermoelectric material Open

Tiezheng Hu, Yonggao Yan, Si Wang, Xianli Su, Wei Liu , et al. · 2019

Cu₂Se is a promising material for thermoelectric energy conversion. Fully dense single-phase bulk Cu₂Se was prepared by the combination of self-propagating high-temperature synthesis with in situ quick pressing for th…

Thermal conductivity in Bi 0.5 Sb 1.5 Te 3+ x and the role of dense dislocation arrays at grain boundaries Open

Rigui Deng, Xianli Su, Zheng Zheng, Wei Liu, Yonggao Yan , et al. · 2018

Reduction of lattice thermal conductivity in Bi 0.5 Sb 1.5 Te 3+ x is absent despite dense dislocation arrays at grain boundaries.

Low temperature thermoelectric properties of p-type doped single-crystalline SnSe Open

Si Wang, Si Hui, Kunling Peng, Trevor P. Bailey, Wei Liu , et al. · 2018

SnSe single crystals have been widely studied lately as a result of their record high ZT and controversial low thermal conductivity. Much research has focused on the high-temperature properties of single crystals and polycrystalline SnSe, …

Rhombohedral to Cubic Conversion of GeTe via MnTe Alloying Leads to Ultralow Thermal Conductivity, Electronic Band Convergence, and High Thermoelectric Performance Open

Zheng Zheng, Xianli Su, Rigui Deng, Constantinos C. Stoumpos, Hongyao Xie , et al. · 2018

In this study, a series of Ge_1-xMn_xTe (x = 0-0.21) compounds were prepared by a melting-quenching-annealing process combined with spark plasma sintering (SPS). The effect of alloying MnTe into GeTe on the structure an…

High thermoelectric performance in Bi0.46Sb1.54Te3 nanostructured with ZnTe Open

Rigui Deng, Xianli Su, Shiqiang Hao, Zheng Zheng, Min Zhang , et al. · 2018

High performance BiSbTe alloy and modules with a conversion efficiency of 5% are achieved through integrating Zn induced defect complexity with nanostructuring.

Ni and Se co-doping increases the power factor and thermoelectric performance of CoSbS Open

Yonghui You, Xianli Su, Shiqiang Hao, Wei Liu, Yonggao Yan , et al. · 2018

Ni and Se co-doping increases the DOS effective mass and softens the chemical bonding, resulting in the highest ZT ∼ 0.58, 222% improvement over that of CoSbS.

Thermoelectric properties of n-type ZrNiSn prepared by rapid non-equilibrium laser processing Open

Yonggao Yan, Wuqian Geng, Junhao Qiu, Hongquan Ke, Chuang Luo , et al. · 2018

The traditional manufacturing of thermoelectric (TE) modules is a complex process that requires a long processing time and is high cost.

Thermoelectric performance of CuFeS2+2x composites prepared by rapid thermal explosion Open

Hongyao Xie, Xianli Su, Yonggao Yan, Wei Liu, Liangjun Chen , et al. · 2017

Although many thermoelectric materials, such as Bi2Te3, PbTe and CoSb3, possess excellent thermoelectric properties, they often contain toxic and expensive elements. Moreover, most of them are synthesized by processes such as vacuum meltin…

Thermoelectric Materials: Multi‐Scale Microstructural Thermoelectric Materials: Transport Behavior, Non‐Equilibrium Preparation, and Applications (Adv. Mater. 20/2017) Open

Xianli Su, Ping Wei, Han Li, Wei Liu, Yonggao Yan , et al. · 2017

Peer Reviewed

Panoscopic approach for high-performance Te-doped skutterudite Open

Tao Liang, Xianli Su, Yonggao Yan, Gang Zheng, Xiaoyu She , et al. · 2017

Modification of the intermediate band and thermoelectric properties in Se-doped CoSbS1−xSex compounds Open

Yonghui You, Xianli Su, Wei Liu, Yonggao Yan, Tiezheng Hu , et al. · 2017

Se alloying decreases the band gap and impurity activation energy, leading to improved ZT ∼0.26, 37% higher over undoped CoSbS.

Mechanochemical synthesis of high thermoelectric performance bulk Cu2X (X = S, Se) materials Open

Dongwang Yang, Xianli Su, Yonggao Yan, Jian He, Ctirad Uher , et al. · 2016

We devised a single-step mechanochemical synthesis/densification procedure for Cu2X (X = S, Se) thermoelectric materials via applying a pressure of 3 GPa to a stoichiometric admixture of elemental Cu and X for 3 min at room temperature. Th…

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