Materials for Renewable and Sustainable Energy, Journal Year: 2024, Volume and Issue: 13(3), P. 361 - 373
Published: July 24, 2024
Abstract Developing supercapacitor materials that are both efficient and durable, with high cycle life specific energy, poses a significant challenge due to issues in electrodes such as volume expansion electrode degradation occur over time. This work reports simple, novel, cost-effective synthesis method fabricate surface area “Iron (Fe) doped TiO 2 materials” via the metal-organic framework (MOF) route for application. Morphological analysis revealed disc-like shaped pattern pristine (PT), cuboid form Fe-doped (FeT). The electrochemical investigation of MOF-derived PT FeT demonstrated superior performance FeT. Cyclic Voltammetry enhanced properties Galvanostatic charge-discharge measurements confirmed FeT’s higher energy storage capacity, reaching maximum capacitance 925 Fg − 1 . Long-term cycling tests exhibited excellent stability, retaining 67% its initial after 6000 cycles showing prolonged self-discharge. Overall, results underscore potential high-performance supercapacitors.
Language: Английский
Citations
8Comparative study of zirconium-zinc oxide thin films on ceramic and glass substrates: Structural, optical, and photocatalytic properties
Inorganic Chemistry Communications, Journal Year: 2024, Volume and Issue: 171, P. 113561 - 113561
Published: Nov. 15, 2024
Language: Английский
Citations
6Enhancing the separation of C2H4/C2H6 in customized MOR zeolites
Inorganic Chemistry Frontiers, Journal Year: 2024, Volume and Issue: 11(8), P. 2427 - 2435
Published: Jan. 1, 2024
MOR zeolites synthesized with cost-effective, non-toxic materials enhance ethylene separation without Ag or Cu modification. The customized framework composition improves adsorptive properties economically.
Language: Английский
Citations
5Solid‐State Electrolytes for Lithium Metal Batteries: State‐of‐the‐Art and Perspectives
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 35(1)
Published: Oct. 31, 2024
Abstract The use of all‐solid‐state lithium metal batteries (ASSLMBs) has garnered significant attention as a promising solution for advanced energy storage systems. By employing non‐flammable solid electrolytes in ASSLMBs, their safety profile is enhanced, and the anode allows higher density compared to traditional lithium‐ion batteries. To fully realize potential solid‐state (SSEs) must meet several requirements. These include high ionic conductivity Li + transference number, smooth interfacial contact between SSEs electrodes, low manufacturing cost, excellent electrochemical stability, effective suppression dendrite formation. This paper delves into essential requirements enable successful implementation ASSLMBs. Additionally, representative state‐of‐the‐art examples developed past 5 years, showcasing latest advancements SSE materials highlighting unique properties are discussed. Finally, provides an outlook on achieving balanced improved addressing failure mechanisms solutions, critical challenges such reversibility plating/stripping thermal runaway, characterization techniques, composite SSEs, computational studies, ASS lithium–sulfur lithium–oxygen With this consideration, ASSLMBs can be realized.
Language: Английский
Citations
5Porous materials with suitable pore size and dual‐functional sites for benchmark one‐step ethylene purification
AIChE Journal, Journal Year: 2023, Volume and Issue: 70(3)
Published: Dec. 6, 2023
Abstract Multiple impurities removal represents one of the most daunting challenges in gas purification, but attainment efficient adsorptive separation is hindered by difficulty designing adsorbents that could simultaneously capture different impurities. Herein, we revealed a molecular trap within Zn‐trz‐ox (trz = 1,2,4‐triazole; ox oxalic acid) featured positive H and negative O sites, suitable pore size, which exhibited remarkable one‐step C 2 4 purification performance directly from quaternary /C 6 /CO mixtures. The selectivities with respect to CO , are 9.8, 2.6, 2.5, higher than sole adsorbent yet reported. Meanwhile, polymer grade (≥99.95%) be obtained record productivity 1.5 mol kg −1 over 10 times previous benchmark material. deep insight into binding behavior simulation studies offers important clues for design advanced multiple capture.
Language: Английский
Citations
12Preparation and Photocatalytic Hydrogen Evolution Performance Study of NENU‐5/CuBr/Graphdiyne Tandem S‐Scheme Heterojunction
Solar RRL, Journal Year: 2024, Volume and Issue: 8(12)
Published: April 29, 2024
Graphdiyne (GDY) has been widely applied in the field of photocatalytic hydrogen production due to its unique chemical structure and excellent photoelectric performance. Herein, CuBr is used as a catalytic substrate prepare CuBr/GDY through cross‐coupling reaction, novel NENU‐5/CuBr/GDY tandem S‐scheme heterojunction photocatalyst constructed at low temperature. The exhibits significantly enhanced activity evolution, with evolution reaching 226.62 μmol 5 h, which 4.7 12.6 times greater than that pure GDY NENU‐5, respectively. Comprehensive evaluation electrochemical, photoluminescence, time‐resolved photoluminescence indicates composite catalyst attributed high photocurrent response electrical resistance, increases efficiency photogenerated charge separation. Additionally, density functional theory calculations ultraviolet photoelectron spectroscopy propose possibility constructing structure. In summary, this work provides valuable ideas into heterojunctions for production.
Language: Английский
Citations
4The Key to MOF Membrane Fabrication and Application: the Trade‐off between Crystallization and Film Formation
Chemistry - A European Journal, Journal Year: 2024, Volume and Issue: 30(64)
Published: Aug. 13, 2024
Abstract Metal‐organic frameworks (MOFs), owing the merits of ordered and tailored channel structures in burgeoning crystalline porous materials, have demonstrated significant promise construction high‐performance separation membranes. However, precisely because this crystal structure with strong molecular interaction their lattice provides robust structural integrity resistance to chemical thermal degradation, MOFs typically exhibit insolubility, infusibility, stiffness brittleness, therefore membrane‐processing properties are far inferior flexible amorphous polymers hinder subsequent storage, transportation, utilization. Hence, focusing on film‐formation crystallization is foundation for exploring fabrication application MOF In review, film‐forming fundamentally analyzed from inherent characteristics compared those polymers, influencing factors polycrystalline membrane formation summarized, trade‐off relationship between discussed, strategy solving film recent years systematically reviewed, anticipation realizing goal preparing membranes optimized processability excellent performance.
Language: Английский
Citations
4Tricycloquinazoline-Based Monolayer Conjugated Metal–Organic Frameworks as Promising Hydrogen Storage Media: A Theoretical Investigation
Green Energy & Environment, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 1, 2025
Language: Английский
Citations
0In Situ Synthesis of MIL-160 Tubular Membrane with High Selectivity for Gas Separation
Industrial & Engineering Chemistry Research, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 7, 2025
Metal–organic frameworks (MOFs) are a rapidly growing class of crystalline porous materials known for their high surface area and tunable porosity, making them ideal various applications, including gas separation. While the utility MOFs primarily stems from intrinsic micropores, fabricating MOF-based membranes further enhances applicability, particularly in CO2 separation flue (CO2/N2) natural (CO2/CH4). In this work, we developed an situ synthesis method to fabricate MIL-160 on ceramic tubular substrates MIL-160, with its three-dimensional interconnected channels pore-limiting diameter 4.3 Å, is well-suited separating small molecules. Through multiple trials, produced distinct crystal morphologies─ball, flake, cuboid─and characterized using X-ray diffraction, scanning electron microscopy, nitrogen physisorption, adsorption, thermogravimetric analysis, confocal microscopy. The morphology was found significantly influence membrane quality, reducing grain boundaries pinholes. Confocal microscopy revealed substantial defects ball- flake-shaped membranes, while cuboid-shaped showed minimal dye infiltration, indicating fewer more uniform structure. Single-gas permeation tests confirmed superior performance membrane, achieving CO2/N2 CO2/CH4 selectivities 56.8 130, respectively, permeance 75.5 GPU. mixed-gas tests, reached selectivity 259 at XCO2 = 0.5, 224 0.2. Additionally, molecular simulations binary adsorption supported these findings, demonstrating competitive presence N2 CH4. This study highlights potential as scalable effective solution removal gas.
Language: Английский
Citations
0Integration of ordered porous materials for targeted three-component gas separation
Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)
Published: Jan. 15, 2025
Separation of multi-component mixtures in an energy-efficient manner has important practical impact chemical industry but is highly challenging. Especially, targeted simultaneous removal multiple impurities to purify the desired product one-step separation process extremely difficult task. We introduced a pore integration strategy modularizing ordered structures with specific functions for on-demand assembly deal complex systems, which are unattainable by each individual pore. As proof concept, two ultramicroporous nanocrystals (one C2H2-selective and other CO2-selective) as shell pores were respectively grown on C2H6-selective porous material core Both respective pore-integrated materials show excellent ethylene production performance dynamic breakthrough experiments C2H2/C2H4/C2H6 CO2/C2H4/C2H6 gas mixture, even better than that from traditional tandem-packing processes originated optimized mass/heat transfer. Thermodynamic simulation results explained pre-designed modules can perform target independently materials. Pore offers approach assembling demand achieve mixtures.
Language: Английский
Citations
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