Xinzhi Wu
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View article: Modulating phonon dynamics: tailoring lattice vibrations to enhance thermoelectric efficiency in Mg3(Sb, Bi)2 alloy
Modulating phonon dynamics: tailoring lattice vibrations to enhance thermoelectric efficiency in Mg3(Sb, Bi)2 alloy Open
Heat in crystalline materials is transported by phonons from lattice vibrations, and lattice thermal conductivity critically determines thermoelectric performance. Different from conventional approach that reduce thermal conductivity via e…
View article: High Conversion Efficiency in Intrinsic High Power‐Density Mg <sub>2</sub> Sn‐GeTe Thermoelectric Generator
High Conversion Efficiency in Intrinsic High Power‐Density Mg <sub>2</sub> Sn‐GeTe Thermoelectric Generator Open
Thermoelectric generators (TEGs) offer a sustainable solution for thermal energy harvesting, where maximizing energy output necessitates achieving both high power density and high conversion efficiency. However, TEGs with intrinsically hig…
View article: Semiconductor-metal transition powers high-efficiency MgAgSb thermoelectrics
Semiconductor-metal transition powers high-efficiency MgAgSb thermoelectrics Open
Because of the inferior thermoelectric performance of metals, the semiconductor-to-metal transition in thermoelectric materials is always avoided. Here, we demonstrate that α-to-β semiconductor-metal transition in MgAgSb is actually not de…
View article: Active Diffusion Controlled Dual Stability in Thermoelectrics for Sustainable Heat Harvesting
Active Diffusion Controlled Dual Stability in Thermoelectrics for Sustainable Heat Harvesting Open
Thermoelectric technology offers a promising pathway toward global sustainability by harvesting waste heat. However, long‐term stability is hindered by inevitable elemental diffusion, degrading both the thermoelectric junction and material…
View article: Sub-lattice amorphization as a new driver of room temperature plasticity in inorganic semiconductors
Sub-lattice amorphization as a new driver of room temperature plasticity in inorganic semiconductors Open
View article: Self-optimized contact in air-robust thermoelectric junction towards long-lasting heat harvesting
Self-optimized contact in air-robust thermoelectric junction towards long-lasting heat harvesting Open
Ensuring long-term reliable contacts in thermoelectric devices is particularly challenging due to their operation under high temperatures and has been one of the large obstacles in the field for application. Typically, thermodynamically dr…
View article: Thermoelectric cyclic-thermal regulation: A new operational mode of thermoelectric materials with high energy efficiency
Thermoelectric cyclic-thermal regulation: A new operational mode of thermoelectric materials with high energy efficiency Open
View article: Thermal aging performance of soybean insulating oil mixed with glyceryl triacetate
Thermal aging performance of soybean insulating oil mixed with glyceryl triacetate Open
A method of delaying the aging of natural ester oil-paper insulation systems by adding glyceryl triacetate is proposed in this work. A study was conducted on the thermal aging performance of soybean insulating oil mixed with glyceryl triac…
View article: Polaron interfacial entropy as a route to high thermoelectric performance in DAE-doped PEDOT:PSS films
Polaron interfacial entropy as a route to high thermoelectric performance in DAE-doped PEDOT:PSS films Open
Enhancing the thermoelectric transport properties of conductive polymer materials has been a long-term challenge, in spite of the success seen with molecular doping strategies. However, the strong coupling between the thermopower and the e…
View article: Orientation Optimization for High Performance Mg3sb2 Thermoelectric Films Via Thermal Evaporation
Orientation Optimization for High Performance Mg3sb2 Thermoelectric Films Via Thermal Evaporation Open
View article: An engineering roadmap for the thermoelectric interface materials
An engineering roadmap for the thermoelectric interface materials Open
• A newly developed TEiM screening strategy is introduced. • General applicability to several representative TEcMs is proved. • Insight to the impact of the TEiM screening strategy is given.
View article: General Figures of Merit <i>ZQ</i> for Thermoelectric Generators Under Constant Heat‐In Flux Boundary
General Figures of Merit <i>ZQ</i> for Thermoelectric Generators Under Constant Heat‐In Flux Boundary Open
The thermoelectric figure of merit ZT bridges the efficiency and material parameters for a thermoelectric device operating under constant temperature of the hot‐ and cold‐source thermal boundary (Type‐I TB). However, many application scena…
View article: Interface Engineering Boosting High Power Density and Conversion Efficiency in Mg<sub>2</sub>Sn<sub>0.75</sub>Ge<sub>0.25</sub>‐Based Thermoelectric Devices
Interface Engineering Boosting High Power Density and Conversion Efficiency in Mg<sub>2</sub>Sn<sub>0.75</sub>Ge<sub>0.25</sub>‐Based Thermoelectric Devices Open
Electrode contact interfaces for practical thermoelectric (TE) devices require high bonding strength, low specific contact resistivity, and superb stability. Herein, the state‐of‐the‐art Cu 2 MgFe/Mg 2 Sn 0.75 Ge 0.25 interface is designed…
View article: Boosting Room-Temperature Thermoelectric Performance of Mg3sb1.5bi0.5 Material Through Breaking the Contradiction between Carrier Concentration and Carrier Mobility
Boosting Room-Temperature Thermoelectric Performance of Mg3sb1.5bi0.5 Material Through Breaking the Contradiction between Carrier Concentration and Carrier Mobility Open
View article: Orientation Optimization for High Performance Mg3sb2 Thermoelectric Films Via Thermal Evaporation
Orientation Optimization for High Performance Mg3sb2 Thermoelectric Films Via Thermal Evaporation Open
View article: Revealing Multi-Stage Growth Mechanism of Kirkendall Voids at Electrode Interfaces of Bi2te3-Based Thermoelectric Devices by Using In-Situ Heating Tem Technique
Revealing Multi-Stage Growth Mechanism of Kirkendall Voids at Electrode Interfaces of Bi2te3-Based Thermoelectric Devices by Using In-Situ Heating Tem Technique Open
View article: Fabrication of Hypereutectic Al-Si Alloy with Improved Mechanical and Thermal Properties by Hot Extrusion
Fabrication of Hypereutectic Al-Si Alloy with Improved Mechanical and Thermal Properties by Hot Extrusion Open