Researchers used large language models to overcome limitations of traditional methods in electrocatalysis. These models enable the integration of various data sources, accelerating catalyst design and reaction mechanism research.
Researchers create Pt/CdS catalyst for upcycling polylactic acid to hydrogen and pyruvic acid through photothermal catalysis, improving the activity of the process. The study reveals that the oxidation of poly-lactic acid molecules is initiated by the cleavage of the α-C(sp³)-H bond.
Researchers from Dalian Institute of Chemical Physics developed a strategy to leverage lignin condensation, a process previously considered a hindrance, to produce valuable chemicals and materials. This approach maximizes the value of lignocellulose, aligning with the goals of green biorefineries.
Researchers found that single-atom iron catalysts can selectively produce specific reactive species, leading to more effective water purification. The study identified the relationships between the geometric and electronic structures of single atom Fe centers and ROS selectivity.
Researchers developed a novel photocatalytic strategy for functionalizing ether C(sp3−H bonds in aryl ethers, resulting in high yields of ester products. The method uses chlorine radicals generated from various chloride sources to activate aryl ether C(sp3−H bonds through hydrogen atom transfer.
Researchers have developed chainmail catalysts with enhanced oxygen electrocatalysis using FeNi alloys and carbon encapsulation. The FeNi@NC catalyst demonstrates exceptional performance in alkaline media, operating reliably at high power density with extended lifespan.
Scientists discovered that Cu nanoparticles supported on γ-Al2O3 surfaces can redisperse spontaneously at room temperature due to hydroxylation and formation of Cu-OH species. The O2 and H2O led to the transformation of Cu atoms into single atoms, enhancing catalytic activity in RWGS and CO-PROX reactions.
Researchers have designed a stable and exposed Cu/CuxO heterojunction on porous carbon nanofibers as a high-performance CO2RR electrocatalyst. The catalyst achieves high CO2RR activity with low metal loading and maintains stability at high current densities.
A novel organic synthetic strategy utilizing mutualism enables the simultaneous synthesis of heterodehydrocoupling of hydrostannane and reduction of quinoline, expanding substrate scope and reducing reaction energy. This breakthrough inspires new possibilities for tackling 'impossible reactions' in organic synthesis.
XIE Congxin, a researcher at Dalian Institute of Chemical Physics, has made significant progress in improving the energy density of aqueous batteries. He developed a multi-electron transfer cathode based on bromine and iodine with a specific capacity exceeding 840 Ah/L. The full battery test showed an energy density of 1200 Wh/L.
A new type of aqueous battery is developed with a specific capacity of over 840 Ah/L and an energy density of up to 1200 Wh/L. The battery uses a mixed halogen solution as the electrolyte, enabling a multi-electron transfer reaction that improves kinetic and reversibility.
Researchers develop Co@Y catalyst for selective ethylbenzene oxidation to acetophenone, showing superior performance and stability. The self-accelerating phenomenon is attributed to the generation of reactive oxygen species at the single-site cobalt center.
A research group at Dalian Institute of Chemical Physics has realized hydrogen formation by contact electrification at oil-water microdroplet interfaces. The study found that charge separation between microdroplets can lead to hydrogenation reactions, and the researchers proposed a mechanism involving contact electrification and charge...
Researchers developed a novel 'cocktail electrolyte' for commercial LiCoO2, achieving ultra-stable fast-charging and high energy density. The electrolyte exhibited robust interfaces, preventing cathode degradation and enhancing reaction kinetics.
Researchers have developed ultrathin Bi4O5Br2 nanosheets with controlled oxygen vacancies, which exhibit high performance for piezocatalytic H2O2 production. The material's unique structure and oxygen vacancies improve the separation and transfer of piezoinduced charges, as well as promote oxygen adsorption and activation on the surface.
Researchers have developed a novel technique to analyze zeolites using 17O solid-state NMR. They improved the spectral resolution by addressing an often-neglected interaction and gained valuable information on zeolite structures. The technique revealed atomic-scale local environments of catalytically important moieties.
Researchers developed a time-resolved native mass spectrometry strategy to analyze target protein stability and structure unfolding dynamics. The study found that mutations can reduce the non-covalent interactions between protein and cofactor, leading to decreased stability.
Researchers identify a degradation process that accelerates refractory pyrogenic carbon in coastal sediments. Seawater microdroplets facilitate this electrochemical degradation through interfacial electron transfer pathways, contributing to the ocean's carbon cycle.
Researchers have developed a novel technique to produce high-quality transition metal telluride nanosheets using chemical solutions, overcoming the challenges of scalability and toxicity. The technique enables the mass production of these ultra-thin materials with potential applications in electronics, energy storage, and sensing.
Researchers have developed Ni single-atom catalysts supported on anatase for propane dehydrogenation, showing superior intrinsic activity and propylene selectivity. The catalysts exhibited higher rates of propylene production compared to traditional nanoparticle counterparts, likely due to the isolation of active sites.
Scientists develop strategy to regulate electronic structure of single-atom catalysts, enhancing direct methane conversion efficiency. CO molecular decoration reduces C-H bond dissociation barrier, increasing catalyst activity and selectivity.
Scientists have successfully converted methane (CH4) into formic acid (HCOOH) using oxygen (O2) at room temperature through an electrochemical process. The high-pressure electro-Fenton strategy achieved a Faradaic efficiency of 81.4% with an ultra-low cathodic overpotential of 0.38 V.
The study reveals the crucial role of active species OH* in electrooxidation of glycerol on NiCo2O4 nanosheets, facilitating efficient conversion and selectivity. The catalyst demonstrates long-term cycle stability, providing valuable guidance for designing efficient glycerol oxidation systems.
Researchers have developed a new catalyst that enables efficient C-H bond scission at the Pt-GaOx interface, leading to improved propylene production. The design of active centers with robust ability to activate propane and high selectivity for propylene remains crucial for optimizing catalytic efficiency.
A new photocatalytic synthesis method has been developed for the creation of arylacetic acid analogs with diverse functional groups from CO2. The method leverages a visible-light photoredox-catalyzed carboxylation reaction, showcasing mild reaction conditions and good tolerance of functional groups.
A study by researchers from Dalian Institute of Chemical Physics reveals the interface confinement effect on open space in In2O3-TiO2 catalyst, leading to enhanced activity and stability. The formed InOx nanolayers show distinct chemistry and can be confined on various oxide surfaces.
Researchers developed a new catalyst that enhances the conversion of ethanol to butadiene with high selectivity and yield. The catalyst's bifunctional sites improve the synergistic effect between Co and Y species, leading to better performance.
A new strategy for direct electrolysis of dilute CO2 has been proposed, using a molecular enhancement method to improve performance. The approach involves modifying CoPc electrodes with poly(4-vinylpyridine) to create a reaction microenvironment that effectively captures and converts CO2 from flue gas.
Researchers developed imaging technique with 800nm spatial resolution to measure three-dimensional temperature distribution inside industrial zeolite-catalyst particles. The technique revealed utilization of active sites and evolutions of reaction intermediates during MTO reactions.
The article provides an overview of the research progress on metal-based electrocatalysts for ammonia electro-oxidation reaction, proposing strategies to enhance performance and inhibit side reactions. The study highlights the opportunities and challenges faced by ammonia electrocatalysis and its development trend.
Researchers develop defect engineering strategies to improve LDH-based electrocatalysts for water electrolysis. The techniques boost conductivity and active sites, overcoming the material's drawbacks.
Hybrid water electrolysis enhances hydrogen production efficiency by substituting oxygen evolution reaction with thermodynamically favorable oxidation processes. This technology also enables purification of industrial wastewater and creation of high-value-added chemicals.
Chemical reactions were long thought to occur along minimum energy paths. However, researchers have now observed 'roaming' reactions that stray from this path even in highly excited energy states. This discovery has significant implications for understanding atmospheric chemistry and the production of molecular oxygen.
Researchers developed bipyridine-based covalent triazine framework (CTF-Bpy) with single cobalt sites for enhanced photocatalytic oxygen evolution. The new catalyst showed remarkable improvements in oxygen evolution rate, exceeding most reported values.
A new process for degrading fluoroarenes was developed, combining photolysis defluorination with •OH-initiated oxidation processes. The results showed efficient degradation of FAs under mild conditions, achieving high defluorination and TOC removal rates over 99.9%.
Researchers from Dalian Institute of Chemical Physics realized ethylene methoxycarbonylation reaction over Pt1/MoS2 single-atom catalyst, achieving high catalytic performances under acid-free conditions. The catalyst showed good stability and selectivity, with a turnover frequency of 320 h-1.
Researchers from Dalian Institute of Chemical Physics propose a gas-phase migration route for the formation of strong metal-support interaction (SMSI) states. They demonstrate that a self-limited ZnOx overlayer grows on Cu nanoparticles, enhancing methanol synthesis activity.
Researchers developed a modified RuO2 catalyst with bismuth doping to enhance the anode oxygen evolution reaction's activity and stability. The Bi-doped RuO2 catalyst shows improved electron transfer and electroconductibility, leading to lower activation energy and higher performance.
Researchers explore potential routes for sustainable nitrate supply, species balance, and catalyst stability in electrochemical nitrate reduction for ammonia synthesis. Innovative strategies are proposed to address mass transfer limitations and ensure long-term stability.
Researchers summarize strategies to enhance MOF-based photocatalysis, including metal doping, ligand functionalization, and defect engineering. These methods aim to improve light absorption, charge separation, and catalytic activity.
Researchers developed a highly active, selective, and durable copper nanoparticle catalyst for converting CO2 into dimethyl ether. The hydrophobic catalyst surface efficiently hinders the sintering of Cu nanoparticles, maintaining performance over 100 hours.
Researchers have made significant progress in developing CO2 conversion technology, addressing challenges such as low conversion rates and stability issues. The study highlights the importance of optimizing the technology from a comprehensive perspective, focusing on catalysts, interfaces, electrolyzers, and cell stacks.
Recent advances in built-in electric-field-assisted photocatalytic dry reforming of methane focus on enhancing charge transfer dynamics and reducing greenhouse gases. The review article introduces fundamental reaction mechanisms, advantages, and potential photocatalytic materials for dry reforming application.
Researchers developed new supramolecular and polymeric organic photocatalytic systems to enhance light utilization efficiency and mineralization under solar light. The new system combines in situ H2O2 generation with in situ Fenton reaction, achieving high-flux mineralization under visible light without additional oxidants.
Researchers propose a novel approach to customize metal-organic frameworks (MOFs) for efficient membrane separations. The strategy involves modularizing custom defect-free MOF separation membranes, allowing for rapid production of high-performance membranes.
A research team developed a modularized catalytic system using covalent organic frameworks and commercial Cu2Cr2O5 to mimic enzyme active sites, achieving enhanced activity in transfer hydrogenation reactions. Hydrogen bonds between COFs and isopropyl alcohol facilitate dehydrogenation and promote hydride transfer.
Researchers have developed a Sn-based tandem electrocatalyst that can reproducibly yield ethanol with high Faradaic efficiency and selectivity. The catalyst enables the formation of C-C bonds through an unprecedented pathway, producing desired products such as ethanol.
Recent research focuses on improving CO2 reduction with acidic electrolyte to enhance carbon efficiency and energy efficiency. Approaches include adding alkali cations, surface decoration, nanostructuring, and electronic structure modulation to promote CO2 reduction while suppressing H+ reduction.
Researchers develop a new migration strategy that enhances CO2 reduction to CO via reverse water-gas shift reaction in Ru/(TiOx)MnO catalysts. The approach boosts catalytic activity by 3.3 times and improves H-spillover for efficient hydrogen transportation.
Researchers evaluate the latest applications of single-atom catalysts in five challenging 'holy grail' reactions, achieving selective production of valuable chemical products. Advanced spectroscopic techniques and DFT calculations help understand reaction mechanisms and structure-activity relationships.