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学者姓名：萨百晟
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Abstract ：
The vast majority of research on PbTe thermoelectrics has focused merely on advancing medium-temperature power generator, often neglecting near-room-temperature thermoelectric properties, thus constraining its potential applications at low temperatures. Here, we realize the prominent improvement of the ratio of weighted mobility and lattice thermal conductivity in n-type PbTe thermoelectrics by manipulating the configurational entropy of the material. The severe lattice distortion induced by entropy increase causes a remarkable strain field, which powerfully scatters phonon and significantly lowers the lattice thermal conductivity. Simultaneously, entropy engineering effectively elevates the solubility limit of S in PbTe, which accelerates the flattening of the conduction band, leading to a larger Seebeck coefficient. As a result, we obtain an impressive near-roomtemperature zT in the entropy-driven stabilized n-type PbTe. Based on this, we further fabricated a seven-pair thermoelectric module by integrating commercial p-type Bi2Te3, achieving a exceptional cooling temperature difference of 36.8 K at 300 K, and a maximum conversion efficiency of 3.2 % when the hot-side temperature is 540 K. Our present finding demonstrates promising thermoelectric applications for PbTe-based materials near room temperature.
Keyword ：
Band flattening Band flattening Configurational entropy Configurational entropy n -Type PbTe n -Type PbTe Thermoelectrics Thermoelectrics
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| GB/T 7714 | Deng, Qian , Wen, Jiansen , An, Xiang et al. Thermoelectric cooling and low-temperature power generation in n-type PbTe enabled by band flattening and entropy engineering [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 506 . |
| MLA | Deng, Qian et al. "Thermoelectric cooling and low-temperature power generation in n-type PbTe enabled by band flattening and entropy engineering" . | CHEMICAL ENGINEERING JOURNAL 506 (2025) . |
| APA | Deng, Qian , Wen, Jiansen , An, Xiang , Xie, Yin , Luo, Jiaxing , Zhao, Zhilong et al. Thermoelectric cooling and low-temperature power generation in n-type PbTe enabled by band flattening and entropy engineering . | CHEMICAL ENGINEERING JOURNAL , 2025 , 506 . |
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Localized high-concentration electrolytes (LHCEs) offer a new methodology to improve the functionality of conventional electrolytes. Understanding the impact of antisolvents on bulk electrolytes is critical to the construction of sophisticated LHCEs. However, the mechanism of how antisolvent modulates the electrochemical reactivity of the solvation structure in LHCEs remains unclear. In this work, the key correlation between the physicochemical properties of antisolvents and their corresponding Lithium-ion battery (LIBs) systems has been elucidated by comprehensive multiscale theoretical simulations combined with experimental characterizations. Nine antisolvents (chain ethers and cyclic non-ethers) are investigated in a typical lithium bis(fluorosulfonyl) imide/1,2-dimethoxymethane (LiFSI/DME) system. It is highlighted that the relative molecular masses of anti- solvents in the same class are positively correlated with the density. The viscosity of a liquid mixture consisting of DME and antisolvent in the same class is positively correlated with the magnitude of the interaction energy between them. Additionally, the self-diffusion coefficient of Li+ is also positively correlated with the sum of the interaction energies between Li+-DME and Li+-FSI-, which is also affected by the class of antisolvent. These results provide deep insights into the behavior and properties of LHCEs, which help to advance the design of high-performance LIBs.
Keyword ：
Antisolvent Antisolvent Density functional theory Density functional theory Electrolyte Electrolyte Lithium battery Lithium battery Molecular dynamics Molecular dynamics
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| GB/T 7714 | Yang, Zhanlin , Hu, Guolin , Wang, Chenyu et al. Solvation layer effects on lithium migration in localized High-Concentration Electrolytes: Analyzing the diverse antisolvent Contributions [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2025 , 683 : 817-827 . |
| MLA | Yang, Zhanlin et al. "Solvation layer effects on lithium migration in localized High-Concentration Electrolytes: Analyzing the diverse antisolvent Contributions" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 683 (2025) : 817-827 . |
| APA | Yang, Zhanlin , Hu, Guolin , Wang, Chenyu , Lin, Yuansheng , Shi, Zhichao , Chen, Jianhui et al. Solvation layer effects on lithium migration in localized High-Concentration Electrolytes: Analyzing the diverse antisolvent Contributions . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2025 , 683 , 817-827 . |
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Sluggish redox kinetics and dendrite growth perplex the fulfillment of efficient electrochemistry in lithium-sulfur (Li-S) batteries. The complicated sulfur phase transformation and sulfur/lithium diversity kinetics necessitate an all-inclusive approach in catalyst design. Herein, a compatible mediator with nanoscale-asymmetric-size configuration by integrating Co single atoms and defective CoTe2-x (CoSA-CoTe2-x @NHCF) is elaborately developed for regulating sulfur/lithium electrochemistry synchronously. Substantial electrochemistry and theoretical analyses reveal that CoTe2-x exhibits higher catalytic activity in long-chain polysulfide transformation and Li2S decomposition, while monodispersed Co sites are more effective in boosting sulfur reduction kinetics to regulate Li2S deposition. Such cascade catalysis endows CoSA-CoTe2-x @NHCF with the all-around service of "trapping-conversion-recuperation" for sulfur species during the whole redox reaction. Furthermore, it is demonstrated by in situ transmission electron microscopy that initially formed electronic-conductive Co and ionic-conductive Li2Te provide sufficient lithiophilic sites to regulate homogeneous Li plating and stripping with markedly suppressed dendrite growth. Consequently, by coupling the CoSA-CoTe2-x @NHCF interlayer and Li@CoSA-CoTe2-x @NHCF anode, the constructed Li-S full batteries deliver superior cycling stability and rate performance, and the flexible pouch cell exhibits stable cycling performance at 0.3 C. The gained insights into the synergistic effect of asymmetric-size structures pave the way for the integrated catalyst design in advanced Li-S systems.
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| GB/T 7714 | Huang, Youzhang , Li, Jiantao , Zhang, Yinggan et al. Energizing Robust Sulfur/Lithium Electrochemistry via Nanoscale-Asymmetric-Size Synergism [J]. | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2025 , 147 (6) : 4752-4765 . |
| MLA | Huang, Youzhang et al. "Energizing Robust Sulfur/Lithium Electrochemistry via Nanoscale-Asymmetric-Size Synergism" . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 147 . 6 (2025) : 4752-4765 . |
| APA | Huang, Youzhang , Li, Jiantao , Zhang, Yinggan , Lin, Liang , Sun, Zhefei , Gao, Guiyang et al. Energizing Robust Sulfur/Lithium Electrochemistry via Nanoscale-Asymmetric-Size Synergism . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2025 , 147 (6) , 4752-4765 . |
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In subzero environments, sluggish electrochemical kinetics and unstable electrode/electrolyte interphases hinder progress in lithium metal batteries (LMBs), emphasizing the need for advanced electrolytes to ensure stability in harsh environments. Herein, we proposed a balanced "cocktail optimized" electrolyte by manipulating solvated and anionic species. The dual salt/dual solvent electrolyte simultaneously achieves low bulk impedance and low interfacial impedance, while also demonstrating improved Li reversibility and oxidation stability. The tailored solvation structure encourages the breakdown of anions, leading to the formation of inorganic-rich interphases at both the cathode and Li-anode, which enables a uniform plating-stripping of Li while maintaining exceptional voltage resilience on the cathode. Moreover, NO3 - ions preferentially adsorb onto the cathode surface within the inner Helmholtz plane, shielding the easily-oxidized non-solvating solvent molecules, a phenomenon referred to as the "shielding effect", thus inhibiting side oxidation reactions. Consequently, the anion-derived interface chemistry contributes to the dendrite-free Li deposition with a high CE of 99.45%, a stable cycling of Li||NCM523 battery with 85% capacity retention after 150 cycles, and a superior low-temperature discharge performance at -30 degrees C with a capacity retention of 68.2%. This work sheds light on an encouraging electrolyte strategy for stable LMBs in a wide-temperature range.
Keyword ：
Cocktail electrolyte Cocktail electrolyte Dual salt/dual solvent electrolyte Dual salt/dual solvent electrolyte Lithium metal batteries Lithium metal batteries Low-temperature Low-temperature Strong-weak coupling Strong-weak coupling
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| GB/T 7714 | Liu, Yongchuan , Shen, Jie , Hu, Guolin et al. Stable low-temperature lithium metal batteries with dendrite-free ability enabled by electrolytes with cooperative Li plus -solvation [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 503 . |
| MLA | Liu, Yongchuan et al. "Stable low-temperature lithium metal batteries with dendrite-free ability enabled by electrolytes with cooperative Li plus -solvation" . | CHEMICAL ENGINEERING JOURNAL 503 (2025) . |
| APA | Liu, Yongchuan , Shen, Jie , Hu, Guolin , Fang, Guihuang , Chen, Yuanqiang , Zhang, Xiangxin et al. Stable low-temperature lithium metal batteries with dendrite-free ability enabled by electrolytes with cooperative Li plus -solvation . | CHEMICAL ENGINEERING JOURNAL , 2025 , 503 . |
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Valleytronics, utilizing the valley degree of freedom in electrons, has potential for advancing the next-generation nonvolatile storage. However, practical implementation remains challenging due to the limited control over valleytronic properties. Here, we propose ferroelectric HfCl2/Sc2CO2 van der Waals heterostructure as a platform to overcome these limitations, enabling tunable and nonvolatile valleytronic behaviors. Our findings show that the electric polarization state of the Sc2CO2 monolayer governs the electronic properties of heterostructures. Positive polarization induces a direct gap at the valleys, enabling valleytronic functionality for excitation and readout via circularly polarized light, while negative polarization results in an indirect-gap, suppressing valleytronic behavior. Moreover, our transport simulations further demonstrate a polarization-dependent ferroelectric p-i-n junction with 8 nm possesses a maximum tunnel electroresistance (TER) ratio of 1.60 x 10(8)% at a bias of 0.5 eV. These results provide insights into ferroelectric-controlled valleytronic transitions and position the HfCl2/Sc2CO2 heterostructure as a promising candidate for energy-efficient valleytronic memory and nonvolatile storage applications.
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| GB/T 7714 | Cui, Zhou , Duan, Xunkai , Wen, Jiansen et al. Ferroelectric control of valleytronic nonvolatile storage in HfCl2/Sc2CO2 heterostructure [J]. | APPLIED PHYSICS LETTERS , 2025 , 126 (12) . |
| MLA | Cui, Zhou et al. "Ferroelectric control of valleytronic nonvolatile storage in HfCl2/Sc2CO2 heterostructure" . | APPLIED PHYSICS LETTERS 126 . 12 (2025) . |
| APA | Cui, Zhou , Duan, Xunkai , Wen, Jiansen , Zhu, Ziye , Zhang, Jiayong , Pei, Jiajie et al. Ferroelectric control of valleytronic nonvolatile storage in HfCl2/Sc2CO2 heterostructure . | APPLIED PHYSICS LETTERS , 2025 , 126 (12) . |
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Thermal stability of thermoelectric devices plays a pivotal role in their practical applications. Chemical reaction/diffusion between thermoelectric materials and electrodes is one of the primary factors contributing to the degradation/failure of device performance at elevated temperatures. Introducing barrier layers to impede the behavior of chemical reactions has emerged as an effective approach for averting the failure of these devices. In this work, the FeSi is revealed to be a potent material of barrier layer in high-performance Mg2Si0.3Sn0.7 thermoelectric material based on the considerations of interfacial reaction energy and sinterability. The well-established bond in Mg2Si0.3Sn0.7/FeSi joint results in a low contact resistivity of -20 mU.cm2 and a conversion efficient of -6.5% for the Mg2Si0.3Sn0.7 single-leg device is achieved at a temperature difference of -290 K. Long-term measurements of the device at a hotside temperature of 600 K reveal that the performance remains nearly invariable as time further increases, which suggests that the FeSi layer retards the chemical reaction/diffusion. (c) 2025 The Authors. Published by Elsevier B.V. on behalf of The Chinese Ceramic Society. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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| GB/T 7714 | Hu, Shanshan , Huang, Chen , Li, Changyuan et al. Thermal stability of FeSi as barrier layer in high-performance Mg2Si0.3Sn0.7 thermoelectric device [J]. | JOURNAL OF MATERIOMICS , 2025 , 11 (5) . |
| MLA | Hu, Shanshan et al. "Thermal stability of FeSi as barrier layer in high-performance Mg2Si0.3Sn0.7 thermoelectric device" . | JOURNAL OF MATERIOMICS 11 . 5 (2025) . |
| APA | Hu, Shanshan , Huang, Chen , Li, Changyuan , Yang, Long , Chen, Zhiwei , Sa, Baisheng et al. Thermal stability of FeSi as barrier layer in high-performance Mg2Si0.3Sn0.7 thermoelectric device . | JOURNAL OF MATERIOMICS , 2025 , 11 (5) . |
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Electrides are a class of materials characterized by the localization of a portion of their electrons within specific interstitial regions, exhibiting properties akin to anions. In this study, we employed density functional theory calculations in conjunction with the Allen-Dynes modified McMillan equation to explore the electronic structure, lattice dynamics, and superconducting properties of the YTiSi electride. It is highlighted that YTiSi possesses localized interstitial electrons, confirming its zero-dimensional electride nature. Ab initio molecular dynamics simulations and phonon dispersion calculations demonstrate that YTiSi maintains its structural stability under moderate pressures. Notably, the application of external pressure leads to a significant increase in superconducting temperature (Tc), reaching a maximum value of 8.7 K at 36.8 GPa. The coupling between the in-plane atomic vibration modes and the electronic orbitals primarily dominates the electron-phonon coupling. Moreover, we unraveled that the physical origins of the pressure-induced superconductivity are the softening of the acoustic branches at the Z-point of the first Brillouin zone as well as the alterations in the electronic structures at the Fermi level. These findings not only elucidate the superconducting behavior of electride compounds but also hold promise for advancing quantum devices and high-efficiency electronic components through the application of external pressure.
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| GB/T 7714 | Xu, Zihao , Li, Jiaxiang , Liu, Peng-Fei et al. Phonon softening enhanced superconductivity in the YTiSi electride under pressure [J]. | JOURNAL OF MATERIALS CHEMISTRY C , 2025 . |
| MLA | Xu, Zihao et al. "Phonon softening enhanced superconductivity in the YTiSi electride under pressure" . | JOURNAL OF MATERIALS CHEMISTRY C (2025) . |
| APA | Xu, Zihao , Li, Jiaxiang , Liu, Peng-Fei , Xiong, Rui , Cui, Zhou , Wen, Cuilian et al. Phonon softening enhanced superconductivity in the YTiSi electride under pressure . | JOURNAL OF MATERIALS CHEMISTRY C , 2025 . |
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Heterogeneous photoelectrocatalysis systems have recently seen significant growth in organic transformations, but are limited by the inherent physicochemical properties of electrode materials. To enhance selectivity in these processes, we propose an innovative advancement in the rational design of photoanodes. Specifically, we incorporated cobalt porphyrin co-catalysts with confined Co sites onto bismuth vanadate films as a photoanode. This photoanode significantly enhances the efficacy of styrene epoxidation, achieving selectivity and conversion rates of 90 % and 99 %, respectively. Notably, the reaction utilizes water as the sole oxygen source, operates at room temperature, and is easily scalable for gram-scale synthesis. The developed photoanode demonstrates robust performance across various alkene substrates. Operando characterizations reveal that during the epoxidation reaction, the confined Co sites within the porphyrin structure catalyze the oxidation of H2O to form Co-O*, serving as critical intermediates that facilitate cyclization reactions via one-electron processes. This study introduces an innovative heterogeneous photoelectrocatalysis strategy with customizable active sites tailored for selective catalytic organic transformations.
Keyword ：
Epoxidation Epoxidation Heterogeneous Heterogeneous Photoelectrocatalysis Photoelectrocatalysis Selectivity Selectivity
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| GB/T 7714 | Wu, Haisu , Wang, Yankun , Huang, Meirong et al. Alkene Epoxidation with Water by Confined Active Co Sites on BiVO4 Photoanodes under Visible Light [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (7) . |
| MLA | Wu, Haisu et al. "Alkene Epoxidation with Water by Confined Active Co Sites on BiVO4 Photoanodes under Visible Light" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 64 . 7 (2025) . |
| APA | Wu, Haisu , Wang, Yankun , Huang, Meirong , Cheng, Jiajia , Sa, Baisheng , Fang, Yuanxing et al. Alkene Epoxidation with Water by Confined Active Co Sites on BiVO4 Photoanodes under Visible Light . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (7) . |
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In the face of escalating global warming and environmental pollution, innovative desalination approaches utilizing solar energy are crucial for addressing the freshwater resource crisis. Solar-driven interfacial evaporation desalination (SIED) systems have gained attention due to their eco-friendly and efficient approach to producing clean water by harnessing sunlight, with a focus on developing advanced photothermal conversion materials. MXenes, with their excellent hydrophilicity, rich chemical diversity, and distinguished photothermal response to light irradiation, are emerging as promising materials in high-efficiency SIED systems and have garnered increasing attention. Herein, the progress of MXenes for SIED systems to expedite real-world applications has critically examined. It is highlighted the structural diversity of MXenes, their synthesis methods, and tunable surface chemistries, which optimize broad-spectrum light absorption and solar energy utilization. The impact of photothermal conversion and water evaporation mechanisms is clearly elucidated. Thereafter, MXene-based membranes, hydrogels, aerogels, sponges and foams for water evaporation and desalination applications are systematically summarized and discussed. In SIED systems, MXene-based membranes demonstrate exceptional performance in scenarios requiring minimal volume or integration onto device surfaces, while other porous materials show robust performance in high-salinity and complex environments. Finally, we provide insightful perspectives on the key factors, forthcoming challenges, and future innovative directions for the exploration of MXene-based SIED systems.
Keyword ：
Desalination Desalination MXene MXene Photothermal conversion Photothermal conversion Solar-driven interfacial water evaporation Solar-driven interfacial water evaporation Water scarcity Water scarcity
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| GB/T 7714 | Wen, Cuilian , Li, Xiong , Yan, Siqing et al. Progress in MXene-based photothermal materials for solar-driven water evaporation and desalination [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 510 . |
| MLA | Wen, Cuilian et al. "Progress in MXene-based photothermal materials for solar-driven water evaporation and desalination" . | CHEMICAL ENGINEERING JOURNAL 510 (2025) . |
| APA | Wen, Cuilian , Li, Xiong , Yan, Siqing , Wen, Jiansen , Zheng, Rongtao , Wang, Xinyi et al. Progress in MXene-based photothermal materials for solar-driven water evaporation and desalination . | CHEMICAL ENGINEERING JOURNAL , 2025 , 510 . |
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Direct ammonia solid oxide fuel cells (DA-SOFCs) offer a promising pathway for the efficient utilization of carbon-free ammonia fuel. However, the nitridation of nickel-based cermet anodes in ammonia causes rapid microstructural coarsening, leading to durability problems. Herein, an efficient, ammonia-tolerant Fe-modified Ni-Gd0.1Ce0.9O1.95 (NiFe-GDC) nanocomposite anode is developed by coupling a self-assembly synthesis process with a sintering-free electrode fabrication technique. The as-synthesized nanocomposite oxides self-assemble into multiple phases, with GDC firmly grown on preformed NiO and NiFe2O4 nanoparticles, which are subsequently in situ alloyed in a reducing atmosphere to form a unique NiFe@GDC encapsulation structure with strong metal-oxide interactions. This NiFe-GDC nanocomposite not only provides abundant active sites for ammonia decomposition and electrochemical oxidation, but also exhibits exceptional resistance to nitridation and microstructural coarsening. Density functional theory calculations reveal that in situ-formed NiFe alloy lowers the energy barriers for ammonia adsorption and dehydrogenation while enhancing the nitrogen desorption process. An electrolyte-supported DA-SOFC with the NiFe-GDC nanocomposite anode achieves a peak power density of 0.61 W cm(-2) at 800 degrees C and exhibits outstanding operational stability for 100 h. This work offers new insights into the development of active and durable nickel-based nanocomposite anodes for DA-SOFCs.
Keyword ：
direct ammonia solid oxide fuel cells direct ammonia solid oxide fuel cells NiFe alloy nanocomposite anode NiFe alloy nanocomposite anode nitridation nitridation self-assembly self-assembly sintering-free electrode fabrication sintering-free electrode fabrication
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| GB/T 7714 | Zhang, Haipeng , Xiong, Rui , Chen, Zhiyi et al. Efficient and Robust Nanocomposite Cermet Anode with Strong Metal-Oxide Interaction for Direct Ammonia Solid Oxide Fuel Cells [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
| MLA | Zhang, Haipeng et al. "Efficient and Robust Nanocomposite Cermet Anode with Strong Metal-Oxide Interaction for Direct Ammonia Solid Oxide Fuel Cells" . | ADVANCED FUNCTIONAL MATERIALS (2025) . |
| APA | Zhang, Haipeng , Xiong, Rui , Chen, Zhiyi , Cheng, Zixiang , Huang, Jiongyuan , Sa, Baisheng et al. Efficient and Robust Nanocomposite Cermet Anode with Strong Metal-Oxide Interaction for Direct Ammonia Solid Oxide Fuel Cells . | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
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