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学者姓名:赖跃坤
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Green hydrogen is currently the dominant trend in the evolution of hydrogen energy, producing almost no greenhouse gas emissions. Alkaline water electrolysis (AWE) is recognized as a leading and well-established technology for producing green hydrogen. However, safety hazards may occur during hydrogen production currently as defective commercial separate membranes used in the AWE process. Therefore, it is imperative to create a membrane characterized by low area resistance, high stability, and high bubble point pressure (BPP) to realize high-performance AWE. Herein, we synthesize alumina-based composite membranes with Y2O3-added and polyethylene glycol coupling agent functionalized Al2O3 for AWE through a phase inversion method. The porous composite membrane exhibits excellent hydrophilicity, with a lower contact angle of approximately 55 degrees. It also presents exceptional performance metrics, including a low area resistance of about 0.17 Omega cm(2), an ultrahigh BBP of approximately 4.4 bar, and excellent mechanical properties with a tensile strength of around 25 MPa. The membranes achieved a current density of up to 2.5 A cm(-2) under 2.0 V voltage in a 30 wt% KOH solution at 80 degrees C by utilizing commercial catalysts. Notably, the composite membranes exhibited remarkable stability, maintaining operation for over 1200 h at a 2.0 A cm(-2) current density without any performance degradation at 80 degrees C. Furthermore, this composite membrane possesses outstanding gas-barrier capability with H-2 and O-2 purity higher than 98.70 % and 99.69 %, respectively. The above results demonstrate that the prepared novel high-performance alumina-based composite membrane for hydrogen generation has significant potential for applications within the AWE process.
Keyword :
Alkaline water electrolysis Alkaline water electrolysis Composite membrane Composite membrane Functionalized alumina Functionalized alumina High current density High current density Hydrophilicity Hydrophilicity
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GB/T 7714 | Lu, Jinyu , You, Jian , Chang, Ben et al. Polyethylene glycol functionalized alumina-based composite membrane with high-performance for alkaline water electrolysis [J]. | JOURNAL OF MEMBRANE SCIENCE , 2025 , 725 . |
MLA | Lu, Jinyu et al. "Polyethylene glycol functionalized alumina-based composite membrane with high-performance for alkaline water electrolysis" . | JOURNAL OF MEMBRANE SCIENCE 725 (2025) . |
APA | Lu, Jinyu , You, Jian , Chang, Ben , Wang, Wei , Li, Yongzhao , Lin, Jiabin et al. Polyethylene glycol functionalized alumina-based composite membrane with high-performance for alkaline water electrolysis . | JOURNAL OF MEMBRANE SCIENCE , 2025 , 725 . |
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Supercritical carbon dioxide (sCO2) corrosion remains a significant and ongoing impediment within the domain of carbon capture, utilization, and storage (CCUS) technologies, necessitating the advancement of robust mitigation tactics. Based on experimental and theoretical investigations, we have studied the inhibition performance of a composite formulation on X80 steel. The in-situ electrochemical studies have confirmed the superior performance of this composite inhibitor, achieving an inhibition efficiency exceeding 99.79%. Through atomistic simulations, we gain mechanistic insights at the molecular level, revealing how the dissociated heteroaromatic species of the composite inhibitor effectively chelate to the metal surface through unsaturated oxygen-carbon pairings, thereby enhancing surface coverage. Such findings provide a prototypical structure- activity relationship to inform the application of optimized corrosion inhibitor formulations in the challenging setting of sCO2 environments.
Keyword :
AIMD AIMD Composite inhibitor Composite inhibitor Inhibition strategy Inhibition strategy Supercritical CO2 Supercritical CO2
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GB/T 7714 | Li, Ruidong , Li, Jianna , Zhu, Jianbo et al. A highly effective, economical and environmentally friendly composite corrosion inhibitor strategy for dynamic supercritical CO2 aqueous environments [J]. | CORROSION SCIENCE , 2025 , 248 . |
MLA | Li, Ruidong et al. "A highly effective, economical and environmentally friendly composite corrosion inhibitor strategy for dynamic supercritical CO2 aqueous environments" . | CORROSION SCIENCE 248 (2025) . |
APA | Li, Ruidong , Li, Jianna , Zhu, Jianbo , Gao, Zehui , Liu, Chongjun , Wang, Yueshe et al. A highly effective, economical and environmentally friendly composite corrosion inhibitor strategy for dynamic supercritical CO2 aqueous environments . | CORROSION SCIENCE , 2025 , 248 . |
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Inspired by the layered structure of dental enamel in the human body, a superhydrophobic coating with an elastic gradient was developed and placed on the inner wall of a gas transmission pipeline to reduce erosion and corrosion. The coating comprises a hard bionic superhydrophobic top coating and a hydrogel layer underneath for buffering and self-repair. To improve the impact resistance of the top coating, layered structures with different viscoelasticities were constructed by controlling the content of lauric acid (LA)@TiO2 particles and carbon nanotubes (CNTs). The amylose hydrogel underlayer not only acts as a shock absorber but also restores potential damage in the top layer, bringing an additional benefit to the corrosion resistance of the coating. Thanks to these three cooperative approaches, the coating exhibits excellent mechanical durability (800 cycles with 600-mesh sandpaper under a 49 kPa load) and corrosion resistance (with a corrosion potential of -0.21 V). Moreover, it maintains its superhydrophobicity after sanding, bending, soaking, and scratching, demonstrating its potential for application to protect transmission pipelines from erosion and corrosion. (c) 2024 THE AUTHORS. Published by Elsevier LTD on behalf of Chinese Academy of Engineering and Higher Education Press Limited Company. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Keyword :
Bionic microstructure Bionic microstructure Dental enamel structure Dental enamel structure Self-repairing Self-repairing Superhydrophobicity Superhydrophobicity Wear-resistance Wear-resistance
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GB/T 7714 | Zang, Xuerui , Cheng, Yan , Ni, Yimeng et al. A Biomimetically Constructed Superhydrophobic Coating with Excellent Mechanical Durability and Chemical Stability for Gas Transmission Pipelines [J]. | ENGINEERING , 2025 , 47 : 152-159 . |
MLA | Zang, Xuerui et al. "A Biomimetically Constructed Superhydrophobic Coating with Excellent Mechanical Durability and Chemical Stability for Gas Transmission Pipelines" . | ENGINEERING 47 (2025) : 152-159 . |
APA | Zang, Xuerui , Cheng, Yan , Ni, Yimeng , Zheng, Weiwei , Zhu, Tianxue , Chen, Zhong et al. A Biomimetically Constructed Superhydrophobic Coating with Excellent Mechanical Durability and Chemical Stability for Gas Transmission Pipelines . | ENGINEERING , 2025 , 47 , 152-159 . |
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With the increasing demand in fields such as wearable sensors, soft robotics, tissue engineering, and wound dressings, the development of hydrogels with strong adhesion in wet environments has become a critical focus of research. However, most existing adhesive materials lack the ability to transition rapidly and reversibly between the adhesive and nonadhesive states, and their adhesion is often limited to a single wet environment. In this study, a smart interfacial adhesive hydrogel with tunable adhesion properties across diverse liquid environments is presented. By tailoring interchain interactions and leveraging electrostatically induced traction between hydrophilic and hydrophobic chain segments, the hydrogel achieves reversible adhesion modulation in response to temperature changes while maintaining strong wet adhesion. Notably, its adhesive strength at elevated temperatures (45 degrees C) is approximately three times greater than at lower temperatures (5 degrees C). The adhesive hydrogel exhibits an adhesive strength of 227 kPa in aqueous environments and 213 kPa in oil-containing environments. This innovative design strategy enables the hydrogel to exhibit broad switchable, and dynamic wet adhesion capabilities, unlocking significant potential for a wide range of applications.
Keyword :
controlled adhesion controlled adhesion electrostatic induction electrostatic induction hydrogen bonding hydrogen bonding temperature response temperature response wet adhesive wet adhesive
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GB/T 7714 | Wu, Che , Cheng, Yan , Wang, Kai et al. Temperature-Mediated Controllable Adhesive Hydrogels with Remarkable Wet Adhesion Properties Based on Dynamic Interchain Interactions [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 , 35 (19) . |
MLA | Wu, Che et al. "Temperature-Mediated Controllable Adhesive Hydrogels with Remarkable Wet Adhesion Properties Based on Dynamic Interchain Interactions" . | ADVANCED FUNCTIONAL MATERIALS 35 . 19 (2025) . |
APA | Wu, Che , Cheng, Yan , Wang, Kai , Ni, Yimeng , Wang, Wenyi , Wu, Ruizi et al. Temperature-Mediated Controllable Adhesive Hydrogels with Remarkable Wet Adhesion Properties Based on Dynamic Interchain Interactions . | ADVANCED FUNCTIONAL MATERIALS , 2025 , 35 (19) . |
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In recent years, the demand for transparent substrates (e.g. windows, mirrors and photovoltaic glass) with anti- fogging performances has increased, while conventional anti-fogging coatings, like single-component organic coatings (PVA, PAA, PAAm), show poor stability and cannot maintain their performance stably under harsh environments. In this work, KH570@TiO2 plays the role of a bottom layer (KT coating) to increase roughness and binding, where the hydrolysis of KH570 anchors the substrate and provides active sites for the binding of the top coating, and the addition of the TiO2 enhances UV shielding properties. A composite PVA-AAm-POSS-NH2 gel (PAP coating) served as the top layer, which contains a large number of hydrophilic groups and thus endow the composite coating with satisfactory anti-fogging performance. The strong bonding force provided by the KT coating and the tight physical entanglement of the PAP coating endow the double-layer coating (PAPKT coating) stable anti-fogging performance (60 times of tape peeling test, 100 times of sandpaper friction test, and sand- punching test), and 48 s icing delay performance. The multi-performances make this work great potential in automotive glass as well as building facades to cope with complex situations.
Keyword :
Active sites Active sites Anti-fogging Anti-fogging High stability High stability High transparency High transparency Membrane Membrane
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GB/T 7714 | Cheng, Yan , Feng, Feng , Zhu, Tianxue et al. Robust multifunctional PVA-PAAm hydrogel-based anti-fogging membrane via the construction of active sites [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 504 . |
MLA | Cheng, Yan et al. "Robust multifunctional PVA-PAAm hydrogel-based anti-fogging membrane via the construction of active sites" . | CHEMICAL ENGINEERING JOURNAL 504 (2025) . |
APA | Cheng, Yan , Feng, Feng , Zhu, Tianxue , Zheng, Yanhui , Gou, Yukui , Yang, Dapeng et al. Robust multifunctional PVA-PAAm hydrogel-based anti-fogging membrane via the construction of active sites . | CHEMICAL ENGINEERING JOURNAL , 2025 , 504 . |
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Conventional superhydrophobic coatings frequently rely excessively on micron-sized protrusions on the surface, which leads to light scattering effects and significantly reduces the light transmission of the materials, thus limiting the range of coating applications. Transparent superhydrophobic coatings further expand the applications of coatings in areas such as solar photovoltaic panels, electronic components, architectural glass, automotive, cultural heritage preservation, and biomedical applications by combining the common properties of superhydrophobic coatings with optical transparency. This review summarizes the basic principles of transparent superhydrophobic coatings from the perspectives of superhydrophobicity and transparency theories. Advancements and characteristics of various fabrication processes are summarized. In addition, this review summarizes the strategies for synchronizing the superhydrophobicity with the transparency of the coatings and the mechanisms for enhancing the durability of the coatings. Finally, the progress in the applications is summarized and prospects of transparent superhydrophobic coating research are proposed. In all, transparent superhydrophobic coatings should be developed in the direction of balancing environmental friendliness, durability, optical transparency, and intelligence. This review is expected to effectively supplement existing works of literature on transparent superhydrophobic coatings and provide more insights for the large-scale applications of transparent superhydrophobic coatings in the future.
Keyword :
Contact angle Contact angle Durability Durability Superhydrophobic coating Superhydrophobic coating Transparency Transparency Wettability Wettability
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GB/T 7714 | Ke, Shengnan , Li, Jianna , Li, Ruidong et al. Recent developments in the fabrication, performance, and application of transparent superhydrophobic coatings [J]. | ADVANCES IN COLLOID AND INTERFACE SCIENCE , 2025 , 342 . |
MLA | Ke, Shengnan et al. "Recent developments in the fabrication, performance, and application of transparent superhydrophobic coatings" . | ADVANCES IN COLLOID AND INTERFACE SCIENCE 342 (2025) . |
APA | Ke, Shengnan , Li, Jianna , Li, Ruidong , Zhu, Jianbo , Chen, Yang , Hu, Jun et al. Recent developments in the fabrication, performance, and application of transparent superhydrophobic coatings . | ADVANCES IN COLLOID AND INTERFACE SCIENCE , 2025 , 342 . |
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ZIF-8 is considered as a promising functional material in anti-corrosion coating applications. However, ZIF-8 hydrolyzes easily, especially in acidic and salty media, due to its unstable Zn-N coordination bonding and hydrophilic crystal surface, which reduces anti-corrosion durability of the coatings. In this study, highly hydrophobic modification of ZIF-8 particles was performed through simple surface ligand exchange with 5,6dimethylbenzimidazole (DMBIM). The as-prepared ZIF-8/DMBIM particles showed high water-repellency and enhanced chemical stability in acidic, neutral, and alkaline media, and excellent compatibility and barrier function in epoxy coatings. As a consequence, ZIF-8/DMBIM modified epoxy coatings showed significantly enhanced corrosion resistances in acid, alkali and salt aqueous solutions with pH 3.0-11.0. Electrochemical impedance spectroscopy tests demonstrated that, after 20 days of immersion in 3.5 wt% NaCl solution at all the studied pH, the |Z|0.01 Hz values of ZIF-8/DMBIM modified epoxy coatings were approximately two orders of magnitude higher than of the original epoxy coatings. This work provides an idea for the development and application of ZIF materials in more fields, and innovative anti-corrosion coatings based on functional modification of materials.
Keyword :
Corrosion resistance Corrosion resistance Epoxy coatings Epoxy coatings Hydrophobic modification Hydrophobic modification Surface ligand exchange Surface ligand exchange ZIF-8 ZIF-8
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GB/T 7714 | Chen, Huaiyin , Wang, Zhonghe , Li, Jun et al. Facile preparation of highly hydrophobic ZIF-8/DMBIM modified epoxy coatings with enhanced acid, alkali and marine corrosion resistance [J]. | MATERIALS TODAY CHEMISTRY , 2025 , 43 . |
MLA | Chen, Huaiyin et al. "Facile preparation of highly hydrophobic ZIF-8/DMBIM modified epoxy coatings with enhanced acid, alkali and marine corrosion resistance" . | MATERIALS TODAY CHEMISTRY 43 (2025) . |
APA | Chen, Huaiyin , Wang, Zhonghe , Li, Jun , Liu, Xiaolin , Li, Congxiang , Li, Yongzhao et al. Facile preparation of highly hydrophobic ZIF-8/DMBIM modified epoxy coatings with enhanced acid, alkali and marine corrosion resistance . | MATERIALS TODAY CHEMISTRY , 2025 , 43 . |
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Thermochromic smart windows offer energy-saving potential through temperature-responsive optical transmittance adjustments, yet face challenges in achieving anti-UV radiation, fast response, and high-temperature stability characteristics for long-term use. Herein, the rational design of Hofmeister effect-enhanced, nanoparticle-shielded composite hydrogels, composed of hydroxypropylmethylcellulose (HPMC), poly(N,N-dimethylacrylamide) (PDMAA), sodium sulfate, and polydopamine nanoparticles, for anti-UV, fast-response, and all-day-modulated smart windows is reported. Specifically, a three-dimensional network of PDMAA is created as the supporting skeleton, markedly enhancing the thermal stability of pristine HPMC hydrogels. Sodium sulfate induces a Hofmeister effect, lowering the lower critical solution temperature to 32 degrees C while accelerating phase transition rates fivefold (30 s vs. 150 s). Intriguingly, small-sized polydopamine nanoparticles simultaneously enable high luminous transmittance of 66.9% and outstanding anti-UV capability. Additionally, the smart window showcases a high solar modulation (51.2%) and maintains a 10.2 degrees C temperature reduction versus a glass window during all-day modulation applications. The design strategy is effective, opening up new avenues for manufacturing fast-response and durable thermochromic smart windows for energy savings and emission reduction.
Keyword :
anti-UV anti-UV hydroxypropylmethylcellulose hydroxypropylmethylcellulose phase change rate phase change rate smart window smart window thermal stability thermal stability thermochromism thermochromism
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GB/T 7714 | Wang, Kai , Liu, Shuzhi , Yu, Jiahui et al. Hofmeister Effect-Enhanced, Nanoparticle-Shielded, Thermally Stable Hydrogels for Anti-UV, Fast-Response, and All-Day-Modulated Smart Windows [J]. | ADVANCED MATERIALS , 2025 , 37 (14) . |
MLA | Wang, Kai et al. "Hofmeister Effect-Enhanced, Nanoparticle-Shielded, Thermally Stable Hydrogels for Anti-UV, Fast-Response, and All-Day-Modulated Smart Windows" . | ADVANCED MATERIALS 37 . 14 (2025) . |
APA | Wang, Kai , Liu, Shuzhi , Yu, Jiahui , Hong, Peixin , Wang, Wenyi , Cai, Weilong et al. Hofmeister Effect-Enhanced, Nanoparticle-Shielded, Thermally Stable Hydrogels for Anti-UV, Fast-Response, and All-Day-Modulated Smart Windows . | ADVANCED MATERIALS , 2025 , 37 (14) . |
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Stretchable and conductive hydrogels are essential in wearable electronics but often suffer from poor mechanical strength, large strain hysteresis, or deteriorated stability due to suboptimal polymer chain interactions. Here, we propose a precise inter-/intra-polymer-chain-interaction manipulation approach that endows hydrogels with excellent performance and multifunctionality. Our hydrogels exhibit high softness ('200 kPa modulus), stretchability ('180%), and conductivity ('20 S/m) and excellent rebound resilience (energy loss coefficient <0.15). They also demonstrate excellent water retention and stability at room temperature. As a self-powered tactile sensor, these hydrogels can detect large strains at high frequencies (up to 50 Hz) and tiny stimuli ('0.2% strain or 5 Pa pressure) with fast response time (42 ms). The key success lies in unique hydrogen bond networks and polymer chain entanglements achieved through plasticizer softening, freezing-thawing, and salt-soaking processes. This approach provides a fundamental solution and valuable insights for preparing intrinsically stretchable and conductive hydrogels for versatile applications.
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GB/T 7714 | Guo, Shuai , Zhang, Songlin , Li, Haochen et al. Precisely manipulating polymer chain interactions for multifunctional hydrogels [J]. | MATTER , 2025 , 8 (4) . |
MLA | Guo, Shuai et al. "Precisely manipulating polymer chain interactions for multifunctional hydrogels" . | MATTER 8 . 4 (2025) . |
APA | Guo, Shuai , Zhang, Songlin , Li, Haochen , Liu, Siqi , Koh, Junqiang Justin , Zhou, Mengjuan et al. Precisely manipulating polymer chain interactions for multifunctional hydrogels . | MATTER , 2025 , 8 (4) . |
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With the accelerated development of global industrialization, environmental issues, such as airborne and water pollution caused by suspended solid particulate matter (PM) seriously endanger ecosystems and human health. Fibrous filtration and separation membranes provide an effective approach to pollution treatment, yet they still face challenges in efficient and high-flux purification of highly permeable ultrafine particles. Herein, an ultrafine nanofiber-based membrane with rational hierarchical networks is designed for both air and water filtration. Through the proposed jet branching electrospinning strategy, a multiscale fiber membrane consisting of ultrafine nanofibers, medium fibers, and coarse submicron fibers is prepared. It possesses the merits of ultrafine fiber diameter, ultralow pore size, high specific surface area, and unique hybrid structure. Benefiting from these features, the obtained multiscale fibrous filter shows superior PM0.3 air filtration performance (99.96% PM0.3 removal, low pressure drop of 89 Pa) and water filtration capacity (ultrafine particle rejection efficiency of 99.50%, water flux of 9028.84 L m-2 h-1). Moreover, the controllable structure of a multiscale fiber filter also endows itself with stable and durable filtration capacity. This work may provide meaningful references for the development of high-performance filtration and separation materials.
Keyword :
Air filtration Air filtration Electrospinning Electrospinning Multiscale fibrous membrane Multiscale fibrous membrane Ultrafine particular matter Ultrafine particular matter Water filtration Water filtration
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GB/T 7714 | Gao, Xiaoqing , Yang, Yuchen , Gou, Yukui et al. Ultrafine Nanofiber-Based Membrane with Rational Hierarchical Networks for Efficient and High-Flux Air and Water Purification [J]. | ADVANCED FIBER MATERIALS , 2025 . |
MLA | Gao, Xiaoqing et al. "Ultrafine Nanofiber-Based Membrane with Rational Hierarchical Networks for Efficient and High-Flux Air and Water Purification" . | ADVANCED FIBER MATERIALS (2025) . |
APA | Gao, Xiaoqing , Yang, Yuchen , Gou, Yukui , Lu, Nan , Yan, Pinmei , Liu, Hong et al. Ultrafine Nanofiber-Based Membrane with Rational Hierarchical Networks for Efficient and High-Flux Air and Water Purification . | ADVANCED FIBER MATERIALS , 2025 . |
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