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学者姓名：蔡伟龙
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The electrochemical urea oxidation reaction (UOR) represents a promising route to sustainable hydrogen production and reuse of urea-containing sewage. However, the efficiency of UOR is hindered by the dehydrogenation of intermediate *CONH2NH and the conversion of toxic intermediate the *CO. Herein, we report a robust strategy to elevate UOR performance by introducing iron (Fe) atoms into the Ni3S2@NiSe2 heterojunctions (denoted Fe-Ni3S2@NiSe2). The Fe-Ni3S2@NiSe2 exhibits remarkable selectivity and electrocatalytic activity towards UOR, attributed to its reconstruction into Fe-NiOOH species during UOR process, as confirmed by in-situ Raman technology. Utilizing Fe-Ni3S2@NiSe2 as both the cathode and anode in a single-chamber electrolytic cell, the hydrogen production rate reaches 588.4 μmol h−1 in simulated urea-containing sewage and 432.1 μmol h−1 in actual human urine, respectively. Notably, in both scenarios, no oxygen product is detected, and the hydrogen production efficiency surpasses that of traditional water splitting by 5.8-fold and 4.3-fold, respectively. In-situ infrared spectroscopy study reveals that the UOR process involves the cleavage of C-N bond and the generation of CO2. Density functional theory calculations further signifies that the incorporation of Fe facilitates the dehydrogenation of *CONH2NH intermediates, strengthens the d-p hybridization, and weakens O-H bonds, thereby resulting in reduced energy barriers for UOR. Our strategy holds promise for efficient hydrogen production from sewage via UOR, offering potential implications for wastewater treatment and clean energy generation. © 2024 Elsevier B.V.
Keyword ：
Density functional theory Density functional theory Electron transport properties Electron transport properties Heterojunctions Heterojunctions Hydrogen production Hydrogen production Infrared spectroscopy Infrared spectroscopy Iron compounds Iron compounds Metabolism Metabolism Nickel compounds Nickel compounds Oxidation Oxidation Sewage Sewage Urea Urea Wastewater treatment Wastewater treatment
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| GB/T 7714 | Zhang, Yingzhen , Lei, Yonggang , Yan, Yan et al. Enhancing hydrogen production capability from urine-containing sewage through optimization of urea oxidation pathways [J]. | Applied Catalysis B: Environmental , 2024 , 353 . |
| MLA | Zhang, Yingzhen et al. "Enhancing hydrogen production capability from urine-containing sewage through optimization of urea oxidation pathways" . | Applied Catalysis B: Environmental 353 (2024) . |
| APA | Zhang, Yingzhen , Lei, Yonggang , Yan, Yan , Cai, Weilong , Huang, Jianying , Lai, Yuekun et al. Enhancing hydrogen production capability from urine-containing sewage through optimization of urea oxidation pathways . | Applied Catalysis B: Environmental , 2024 , 353 . |
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In recent years, loading antioxidants onto inorganic nanoparticles has attracted increasing interest. However, the existing studies not only have low antioxidant loading efficiency, but also ignore the relationship between structural changes and antioxidant properties before and after antioxidant modification, greatly limiting the improvement of the antioxidant properties of composites and their application scope. In this work, we successfully prepared bis-hindered phenolic antioxidants containing silica hydroxyl groups (Bis-mAO) and loaded them onto silicon dioxide (SiO 2 ) to get the nanocomposites (Bis-mAO-SiO 2 ). The melt blending method further prepared the corresponding polyphenylene sulfide (PPS)/Bis-mAO-SiO 2 composites. The results showed that the higher antioxidant loading and more suitable antioxidant structure made Bis-mAO-SiO 2 possess excellent antioxidant properties. The prepared PPS/Bis-mAO-SiO 2 composites remained stable under high temperatures and oxygen environments. Impressively, the maximum weight loss rate temperature of PPS/Bis-mAO-SiO 2 was increased by 11.60 degrees C compared to that of PPS, and after accelerated thermal oxidation at 220 degrees C for 24 h, the relative intensity ratio between O and C of PPS/Bis-mAO-SiO 2 only increased to 0.086, much lower than 0.132 for PPS. Moreover, the viscosity of PPS/Bis-mAO-SiO 2 only increased by 29.05 % and 88.75 % after accelerated thermal oxidation at 220 degrees C for 12, 24 h. Compared, PPS ' s viscosity increased substantially by 79.22 % and 250.3 %, respectively. This meant that the Bis-mAO-SiO 2 successfully achieved a synergistic integration of high antioxidant properties and thermal stability, implying that the work offered a strategy for fabricating hightemperature resistant antioxidant composites.
Keyword ：
Hindered phenolic Hindered phenolic Polyphenylene sulfide Polyphenylene sulfide Rheological properties Rheological properties Silicon dioxide Silicon dioxide Thermal oxidation stability Thermal oxidation stability
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| GB/T 7714 | Cai, Weilong , You, Jian , Wang, Wei et al. Double-hindered phenolic SiO 2 composites with excellent oxidation resistance and thermal stability for enhanced thermal oxidation stability of PPS [J]. | CHEMICAL ENGINEERING JOURNAL , 2024 , 487 . |
| MLA | Cai, Weilong et al. "Double-hindered phenolic SiO 2 composites with excellent oxidation resistance and thermal stability for enhanced thermal oxidation stability of PPS" . | CHEMICAL ENGINEERING JOURNAL 487 (2024) . |
| APA | Cai, Weilong , You, Jian , Wang, Wei , Chen, Huaiyin , Liu, Longmin , Ma, Yuhan et al. Double-hindered phenolic SiO 2 composites with excellent oxidation resistance and thermal stability for enhanced thermal oxidation stability of PPS . | CHEMICAL ENGINEERING JOURNAL , 2024 , 487 . |
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Cellulose has sparked considerable interest in the advancement of biodegradable functional materials owing to its abundant natural sources and exceptional biocompatibility. This review offers a comprehensive review of the latest research and development concerning cellulose-based films, with a specific emphasis on their classification, properties, and applications. Specifically, this review classifies cellulose according to the various morphologies of cellulose (e.g., nanocrystals, nanospheres, and hollow ring cellulose) and cellulose derivatives (e.g., methyl cellulose, carboxymethyl cellulose, hydroxyethyl cellulose, and cellulose acetate). The subsequent section presents an analysis of cellulose-based films with improved mechanical properties, antibacterial characteristics, gas regulation, and hydrophobicity. A detailed discussion of the mechanisms that underlie these properties is provided. Additionally, representative applications of cellulosic composites, such as food packaging, medical supplies, and electronic devices, are summarized. Finally, the challenges faced by cellulosic materials are outlined, and a novel and feasible prospect is proposed to accelerate the future development of this material. © Donghua University, Shanghai, China 2024.
Keyword ：
Biocompatibility Biocompatibility Biodegradable materials Biodegradable materials Cellulose-based film Cellulose-based film Electronic device Electronic device Multi-functional fiber Multi-functional fiber
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| GB/T 7714 | Deng, Y. , Zhu, T. , Cheng, Y. et al. Recent Advances in Functional Cellulose-Based Materials: Classification, Properties, and Applications [J]. | Advanced Fiber Materials , 2024 , 6 (5) : 1343-1368 . |
| MLA | Deng, Y. et al. "Recent Advances in Functional Cellulose-Based Materials: Classification, Properties, and Applications" . | Advanced Fiber Materials 6 . 5 (2024) : 1343-1368 . |
| APA | Deng, Y. , Zhu, T. , Cheng, Y. , Zhao, K. , Meng, Z. , Huang, J. et al. Recent Advances in Functional Cellulose-Based Materials: Classification, Properties, and Applications . | Advanced Fiber Materials , 2024 , 6 (5) , 1343-1368 . |
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The application of fluorinated coatings on textiles has garnered substantial research interest over the past years, owing to their ability to endow fabrics with exceptional hydrophobic characteristics, thereby mitigating issues associated with high moisture absorption and susceptibility to contamination. Nevertheless, the deployment of fluorinated substances has been proscribed due to concerns regarding their ecological impact and potential human toxicity. Consequently, there has been a burgeoning demand for hydrophobic textile alternatives derived from non-fluorinated, natural materials that are both sustainable and environmentally benign. This paper presents a thorough overview of the advancements in the development and functionalization of eco-friendly, hydrophobic textiles. Initially, the natural materials and their derivatives utilized in the creation of superhydrophobic textiles are delineated, including cellulose, lignin and chitosan, among others. Subsequently, methodologies for crafting efficient, stable, and resilient hydrophobic textiles are elucidated, encompassing conventional techniques as well as novel, inventive concepts. Furthermore, the current state of research and the obstacles faced in the evolution of multifunctional textiles based on superhydrophobic fabrics are examined. In conclusion, this discussion presents incisive insights into the impending direction of advancements in functional textiles. Keywords: Eco-friendly; Superhydrophobic; Bioinspired; Multifunctional textiles; Natural materials. © 2024 RSC.
Keyword ：
Abiotic Abiotic Ecodesign Ecodesign Ecology Ecology Fabrics Fabrics Textile industry Textile industry
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| GB/T 7714 | Li, Wei , Yang, Libing , Huang, Jianying et al. Progress on fiber engineering for fabric innovation in ecological hydrophobic design and multifunctional applications [J]. | Industrial Chemistry and Materials , 2024 , 2 (3) : 393-423 . |
| MLA | Li, Wei et al. "Progress on fiber engineering for fabric innovation in ecological hydrophobic design and multifunctional applications" . | Industrial Chemistry and Materials 2 . 3 (2024) : 393-423 . |
| APA | Li, Wei , Yang, Libing , Huang, Jianying , Zheng, Chan , Chen, Yu , Li, Yunbo et al. Progress on fiber engineering for fabric innovation in ecological hydrophobic design and multifunctional applications . | Industrial Chemistry and Materials , 2024 , 2 (3) , 393-423 . |
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Particulate matter (PM) pollution causes critical harm to human health and global environment. However, the protective respirators attain high-performance filtration of the most permeable PM0.3 by tight stacking of fibers and seriously compromising their wearing comfort. Herein, a fluffy sandwich-structured membrane (SSM) composed of bimodal fibrous layers and bead-on-string fibrous layer is designed to endow the air filter with both high-performance filtration and superior thermal-wet comfort. Based on the electrospinning technique, the bimodal fibers made of nano-/submicron-fibers (about 46 nm and 155 nm) are formed by inducing the jet splitting while the bead-on-string fibers consisting of submicron-fibers (≈ 120 nm) and micro-beads (≈ 3.37 μm) are prepared through manipulating the Rayleigh instability of jets. Due to the structural design of small pores and low packing density, the SSM exhibits excellent PM0.3 removal of 99.8%, low filtration resistance of 65 Pa, and high quality factor of 0.097 Pa-1. It also shows long-term filtration stability and durability under high humidity conditions. Moreover, the SSM simultaneously possesses superior thermal-wet comfort of heat dissipation, air permeability of 164 mm·s-1, and water vapor transmission of 7.6 kg·m-2·d-1. This work may offer a novel insight for exploiting high-performance and comfortable personal protective materials. © 2024 Elsevier B.V.
Keyword ：
Bead-on-string fibers Bead-on-string fibers Bimodal fibers Bimodal fibers Electrospinning Electrospinning PM0.3 removal PM0.3 removal Sandwich structure Sandwich structure Thermal-wet comfort Thermal-wet comfort
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| GB/T 7714 | Yang, Y. , Wang, W. , Zhong, M. et al. Sandwich-structured bimodal fiber/bead-on-string fiber composite membrane for comfortable PM0.3 filter [J]. | Chemical Engineering Journal , 2024 , 495 . |
| MLA | Yang, Y. et al. "Sandwich-structured bimodal fiber/bead-on-string fiber composite membrane for comfortable PM0.3 filter" . | Chemical Engineering Journal 495 (2024) . |
| APA | Yang, Y. , Wang, W. , Zhong, M. , Gou, Y. , Lu, N. , Cheng, Y. et al. Sandwich-structured bimodal fiber/bead-on-string fiber composite membrane for comfortable PM0.3 filter . | Chemical Engineering Journal , 2024 , 495 . |
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Polyphenylene sulfide (PPS), commonly used as a core material for high -temperature flue gas treatment, exhibits elevated viscosity when processed even at temperature exceeding 280 degrees C. In this study, a novel high-flowability PPS -based composite was fabricated through the incorporation of graphitic carbon nitride (g-C3N4) via a wellestablished melt extrusion procedure. The enhancement of flowability in PPS was verified, and the material's texture structures and fundamental properties of composites with varying contents were determined. The composites exhibit well -dispersed g-C3N4, a significant reduction in shear viscosity (>10 %), a notable increase in melt index (>30 %), improved crystallinity, and comparable or superior performance compared to pure PPS. When the g-C(3)N(4 )was introduced into the PPS matrix, a phase -separated composite structure was formed. This structure reduces the entanglement degree between the PPS molecular chains and provides more space for freemovement of the PPS chains, and thus the improvement in flowability for the composites can be clearly demonstrated. Therefore, g-C(3)N(4 )can be used as a novel flow modifier to enhance the flowability and stability of PPS resin without compromising its fundamental properties, which offers significant prospects for improving productivity, optimizing energy usage, and managing costs for PPS -based products.
Keyword ：
Graphitic carbon nitride (g-C3N4) Graphitic carbon nitride (g-C3N4) High flowability High flowability Melt blending Melt blending Phase-separated structure Phase-separated structure Polyphenylene sulfide (PPS) Polyphenylene sulfide (PPS)
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| GB/T 7714 | Cao, Hong , Zhang, Bing , Wang, Wei et al. Development of high-flowability melt PPS-based composites through blending with g-C3N4 [J]. | POLYMER , 2024 , 293 . |
| MLA | Cao, Hong et al. "Development of high-flowability melt PPS-based composites through blending with g-C3N4" . | POLYMER 293 (2024) . |
| APA | Cao, Hong , Zhang, Bing , Wang, Wei , Li, Yongzhao , Jia, Mengke , Yu, Weihe et al. Development of high-flowability melt PPS-based composites through blending with g-C3N4 . | POLYMER , 2024 , 293 . |
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The membrane fouling derived from the accumulated dust pollutants and highly viscous oily particles causes irreversible damage to the filtration performance of air filters and results in a significant reduction in their service life. However, it is still challenging to construct high-efficiency and antifouling air filtration membranes with recyclable regeneration. Herein, the fluorine-free amphiphobic micro/nanofiber composite membrane was controllably constructed by integrating click chemistry reaction and electrospinning technique. Low-surface-energy fibers were constructed by a thiol-ene click chemical reaction between mercaptosilane and vinyl groups of polystyrene-butadiene-styrene (SBS), combined with hydroxyl-terminated poly(dimethylsiloxane) during the electrospinning process. The functional air filter is then prepared by the two-layer composite strategy. Because of the advantages of liquid-like fibrous surface and micro/nanofibrous porous structure, SBS/PAN composite membrane simultaneously shows superior antifouling performances of pollutants and filtration efficiency of over 97% PM0.3 removal. More importantly, the antifouling fibrous membrane still presents a stable and efficient filtration efficiency after multiple washes. Its service life in dust filtration environments is approximately 1.7 times longer than that of the substrate membrane. This work may provide a significant reference for the design of antifouling fiber membranes and high-efficiency air filters with long life spans and reusability. © 2024 American Chemical Society.
Keyword ：
Antifouling paint Antifouling paint Fibrous membranes Fibrous membranes Filtration Filtration Nafion membranes Nafion membranes Photoionization Photoionization Photolysis Photolysis Surface reactions Surface reactions
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| GB/T 7714 | Gou, Yukui , Yang, Yuchen , Zheng, Weiwei et al. Fluorine-Free Amphiphobic SBS/PAN Micro/Nanofiber Membrane by Integrating Click Reaction with Electrospinning for Efficient and Recyclable Air Filtration [J]. | Environmental Science and Technology , 2024 , 58 (39) : 17376-17385 . |
| MLA | Gou, Yukui et al. "Fluorine-Free Amphiphobic SBS/PAN Micro/Nanofiber Membrane by Integrating Click Reaction with Electrospinning for Efficient and Recyclable Air Filtration" . | Environmental Science and Technology 58 . 39 (2024) : 17376-17385 . |
| APA | Gou, Yukui , Yang, Yuchen , Zheng, Weiwei , Ji, Xuzheng , Lu, Nan , Wang, Wenqing et al. Fluorine-Free Amphiphobic SBS/PAN Micro/Nanofiber Membrane by Integrating Click Reaction with Electrospinning for Efficient and Recyclable Air Filtration . | Environmental Science and Technology , 2024 , 58 (39) , 17376-17385 . |
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Conductive hydrogels have great potential in flexible electronics due to their flexibility, excellent biocompatibility and diverse functionalities. However, most rapid-gelation hydrogels tend to manifest weak and fragile due to vigorous reaction process and poor adaptability in cryogenic environment, which severely impede their practical applications. Herein, a facile and mild strategy for rapid gelation is proposed that accelerates polymerization by generating reactive oxygen radicals via electron transfer based on the excitation of ferric phytate ligands under UV irradiation, which takes only 17 s to initiate. Interestingly, the introduced phytic acid imparts the hydrogel excellent electrical conductivity (12 ms/cm), frost resistance (- 31celcius) and improves tensile properties (elongation at break 1299 %). The hydrogel that combines the above merits inspires the construction of strain sensor for monitoring physiological activity of low-temperature environments. This study provides a simple and universal approach for the rapid preparation of antifreeze hydrogels and reinforces the focus on sustainable and high-value utilization of phytic acid in advanced applications.
Keyword ：
Anti-freezing Anti-freezing Ferric phytate Ferric phytate Hydrophobic association Hydrophobic association Rapid gelation Rapid gelation Strain sensor Strain sensor
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| GB/T 7714 | Yang, Yue , Ni, Yimeng , Wang, Huicai et al. UV-induced ferric phytate access to fast gelation of conductive and anti-freezing hydrogels for cryogenic strain sensing [J]. | CHEMICAL ENGINEERING JOURNAL , 2024 , 482 . |
| MLA | Yang, Yue et al. "UV-induced ferric phytate access to fast gelation of conductive and anti-freezing hydrogels for cryogenic strain sensing" . | CHEMICAL ENGINEERING JOURNAL 482 (2024) . |
| APA | Yang, Yue , Ni, Yimeng , Wang, Huicai , Chen, Lejun , Zhu, Tianxue , Zheng, Yanhui et al. UV-induced ferric phytate access to fast gelation of conductive and anti-freezing hydrogels for cryogenic strain sensing . | CHEMICAL ENGINEERING JOURNAL , 2024 , 482 . |
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Flexible thermal insulation membrane plays a key role in outdoor wear of human body and thermal management of electronic products. This study used electrospinning to prepare thermal insulation hollow silica/polytetrafluoroethylene (HSi/PTFE) fiber membranes. HSi were prepared using tetraethylorthosilicate as the silicon source and hydrothermal carbon spheres as templates. A spinning solution of PTFE containing the HSi was used to prepare fiber membranes. The heat transfer resistance of the fiber is improved by embedding HSi into the PTFE fiber, resulting to improved heat insulation capability of the fiber membrane. The influence of HSi content on the thermal insulation performance of PTFE fiber membrane was studied. When the HSi content was 5 %, the fiber membrane showed the lowest thermal conductivity (0.0197 W/(m·K)), which was not only lower than most fiber thermal insulation materials, but also had excellent tensile properties (tensile deformation capacity of 168 %), which was convenient for practical application. In addition, this kind of fiber membrane also has high hydrophobicity (water contact angle of 147°), effectively reducing the influence of moisture on thermal insulation performance. This work presents innovative prospects for the future advancement of thermal insulation materials. © 2024 Elsevier Ltd
Keyword ：
Electrospinning Electrospinning Fiber membrane Fiber membrane Hollow silica Hollow silica Polytetrafluoroethylene Polytetrafluoroethylene Thermal insulation Thermal insulation
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| GB/T 7714 | Wang, G. , Wang, L. , You, J. et al. Preparation of hollow silica/PTFE fiber membrane with excellent thermal insulation performance by electrospinning [J]. | Applied Thermal Engineering , 2024 , 255 . |
| MLA | Wang, G. et al. "Preparation of hollow silica/PTFE fiber membrane with excellent thermal insulation performance by electrospinning" . | Applied Thermal Engineering 255 (2024) . |
| APA | Wang, G. , Wang, L. , You, J. , Yang, Y. , Wang, Y. , Wang, W. et al. Preparation of hollow silica/PTFE fiber membrane with excellent thermal insulation performance by electrospinning . | Applied Thermal Engineering , 2024 , 255 . |
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The demand for efficient separation techniques in industries dealing with high viscosity emulsions has surged due to their widespread applications in various scenarios, including emulsion-based drug delivery systems, the removal of emulsified impurities in formulations and oil spill remediation. However, membrane fouling is a major challenge for conventional separation methods, leading to decreased efficiency and increased maintenance costs. Herein, a novel approach is reported by constructing liquid-like surfaces with double anti-fouling structure, incorporating soft nanomicelles within a rigid, chemically cross-linked network for both anti-membrane-fouling and effective viscous water-in-oil emulsion separation. The coating significantly outperforms perfluorinated and commercial polytetrafluoroethylene (PVDF) membranes, effectively preventing the adhesion of viscous oils like crude oil and pump oil, and alleviating severe membrane fouling. For high-viscosity emulsions (97.3 cP and 52.8 cP), it maintains over 99% separation efficiency after 3 h continuous use. Even after 15 h immersion in strong acids, alkalis, salts, or organic solvents, its separation efficiency remains above 95%. In addition, thanks to the anti-membrane-fouling ability, this work achieved 6 h continuous emulsion separation performance for the first time, demonstrating unparalleled long-term stability. Overall, this study offers valuable insights into the development of innovative coatings for efficient and eco-friendly separation of high-viscosity emulsions.
Keyword ：
anti-fouling anti-fouling emulsion sustainable separation emulsion sustainable separation high viscosity high viscosity hydrophobicity hydrophobicity liquid-like coating liquid-like coating
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| GB/T 7714 | Zheng, Weiwei , Wang, Huicai , Huang, Qingshan et al. Ultra-Antifouling Liquid-Like Surfaces for Sustainable Viscous Water-in-Oil Emulsions Separation and Oil Recovery [J]. | ADVANCED MATERIALS , 2024 . |
| MLA | Zheng, Weiwei et al. "Ultra-Antifouling Liquid-Like Surfaces for Sustainable Viscous Water-in-Oil Emulsions Separation and Oil Recovery" . | ADVANCED MATERIALS (2024) . |
| APA | Zheng, Weiwei , Wang, Huicai , Huang, Qingshan , Li, Ya , Huang, Jianying , Cai, Weilong et al. Ultra-Antifouling Liquid-Like Surfaces for Sustainable Viscous Water-in-Oil Emulsions Separation and Oil Recovery . | ADVANCED MATERIALS , 2024 . |
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