Jingdan Lei

Synergistic Grain Boundary and Phonon Engineering Enables Ultrahigh Thermoelectric Performance in Mg 3 (Sb, Bi) 2 ‐Based Materials

Jingdan Lei, Kai Xu, Kunpeng Zhao, Junzhuo Zhou et autres

ABSTRACT Thermoelectric Mg 3 (Sb, Bi) 2 has emerged as a rising star in virtue of its promising thermoelectric performance and abundant constituent elements. However, its practical application is hindered by challenges in synthesis and the strong coupling between electrical and thermal …

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Multifaceted Roles of Tantalum in Promoting the Thermoelectric Performance of Mg 3 (Sb,Bi) 2 Based Materials

Guangmeng You, Jingdan Lei, Kai Xu, Yuntian Fu et autres

ABSTRACT Mg 3 (Sb,Bi) 2 has emerged as one of the most promising thermoelectric materials with the potential to complement commercial bismuth telluride. However, its performance is still hindered by pronounced carrier grain‐boundary scattering, relatively high lattice thermal conductivity, and poor chemical …

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Realizing high thermoelectric performance of Mg3(Sb, Bi)2 by Ho-Te dual-doping and synergistic transport engineering

Jingdan Lei, Xiaoyun Yang, Mengxiang Wu, Xiwei Zhang et autres

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Synergistic enhancement of n-type Mg3(Sb,Bi)2 thermoelectrics via TiTe2-triggered in-situ dual-site doping

Shuai Wang, Shuai Wang, Chang Gao, Guangmeng You et autres

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Heterointerface engineering to regulate transport behavior and electro-thermal stability in liquid-like Cu 2 Se thermoelectrics

Xueke Gu, Jingdan Lei, Yue Wang, Guangmeng You et autres

Interfacial engineering using WC introduces a Schottky barrier into superionic Cu 2 Se, synergistically achieving ultra-low lattice thermal conductivity, suppressed Cu + electromigration, and exceptional mechanical robustness.

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Achieving enhanced thermoelectric performance in chemically fluctuating AgCuTe-based material

Jingdan Lei, Chunhui Wang, Xiaoyun Yang, Di Yuan et autres

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Enhanced thermoelectric performance in n-type PbSe via coherent interface through Cu 2 S alloying

Peng Si, Xinxin Wang, Yajing Wang, Guangmeng You et autres

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Role of SnTe Addition in Enhancing the Figure of Merit of AgCuTe-Based Materials

Jingdan Lei, Chunhui Wang, Xiaoyun Yang, Huijuan Geng et autres

Recently, AgCuTe has garnered growing interest as a promising superionic conductor. Herein, we investigated the thermoelectric property changes induced by introducing SnTe into AgCuTe. The introduction of SnTe enabled a nearly 20% enhancement in the Seebeck coefficient. Combining with the relatively high …

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Synergistic Enhancement of n-type Mg3 (Sb,Bi)2 Thermoelectrics via TiTe2 -Triggered In-situ Dual-Site Doping

Shuai Wang, Chang Gao, Guangmeng You, Jingdan Lei et autres

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Approaching crystal’s limit of thermoelectrics by nano-sintering-aid at grain boundaries

Jingdan Lei, Kunpeng Zhao, Jincheng Liao, Shiqi Yang et autres

Grain boundary plays a vital role in thermoelectric transports, leading to distinct properties between single crystals and polycrystals. Manipulating the grain boundary to realize good thermoelectric properties in polycrystals similar as those of single crystals is a long-standing task, but it is …

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Enhancing thermoelectric performance of AB2Sb2-type Zintl phase through band shaping and lattice distortion

Qi Keng Xu, Kunpeng Zhao, Haoran Huang, Shun Wan et autres

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High thermoelectric performance near the Mott–Ioffe–Regel limit in Cu S0.6Te0.4 meta-phases

Min Zhou, Kunpeng Zhao, Hexige Wuliji, Hong Su et autres

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