A5100692990- Metal-Organic Frameworks: Synthesis and Applications
- Electrocatalysts for Energy Conversion
- Catalytic Processes in Materials Science
- Covalent Organic Framework Applications
- Advanced Photocatalysis Techniques
- Advanced battery technologies research
- Nanomaterials for catalytic reactions
- Molecular Sensors and Ion Detection
- Fuel Cells and Related Materials
- Advanced Combustion Engine Technologies
- Graphene research and applications
- Catalysts for Methane Reforming
- Advancements in Battery Materials
- MXene and MAX Phase Materials
- Biodiesel Production and Applications
- Ammonia Synthesis and Nitrogen Reduction
- CO2 Reduction Techniques and Catalysts
- Catalysis and Oxidation Reactions
- Catalysis and Hydrodesulfurization Studies
- Membrane Separation and Gas Transport
- Carbon dioxide utilization in catalysis
- Dendrimers and Hyperbranched Polymers
- Luminescence and Fluorescent Materials
- Machine Learning in Materials Science
- Magnetism in coordination complexes
Dalian Institute of Chemical Physics
2016-2025
Chinese Academy of Sciences
2016-2025
Collaborative Innovation Center of Chemistry for Energy Materials
2015-2025
Shenzhen Polytechnic
2019-2025
University of Chinese Academy of Sciences
2019-2025
Institute of Catalysis and Petrochemistry
2025
State Key Laboratory of Catalysis
2025
Soochow University
2024-2025
Viva Biotech (China)
2025
Peking University
2025
The efficient use of natural gas will require catalysts that can activate the first C-H bond methane while suppressing complete dehydrogenation and avoiding overoxidation. We report single iron sites embedded in a silica matrix enable direct, nonoxidative conversion methane, exclusively to ethylene aromatics. reaction is initiated by catalytic generation methyl radicals, followed series gas-phase reactions. absence adjacent prevents C-C coupling, further oligomerization, hence, coke...
Chainmail for catalysts: a catalyst with iron nanoparticles confined inside pea-pod-like carbon nanotubes exhibits high activity and remarkable stability as cathode in polymer electrolyte membrane fuel cells (PEMFC), even presence of SO(2). The approach offers new route to electro- heterogeneous catalysts harsh conditions.
Theoretical studies predicted that doping graphene with nitrogen can tailor its electronic properties and chemical reactivity. However, experimental investigations are still limited because of the lack synthesis techniques deliver a reasonable quantity. We develop here novel method for one-pot direct N-doped via reaction tetrachloromethane lithium nitride under mild conditions, which renders fabrication in gram scale. The distinct structure perturbation induced by incorporation network is...
Novel non-precious-metal catalysts encapsulated in N-doped carbon nanotubes exhibit high activity and remarkable stability towards hydrogen evolution reaction (HER) acidic medium.
Coordinatively unsaturated (CUS) iron sites are highly active in catalytic oxidation reactions; however, maintaining the CUS structure of during heterogeneous reactions is a great challenge. Here, we report strategy to stabilize single-atom by embedding dispersed FeN4 centers graphene matrix. The atomic was revealed for first time combining high-resolution transmission electron microscopy/high-angle annular dark-field scanning microscopy with low-temperature tunneling microscopy. These...
Electrochemical reduction of N2 to NH3 provides an alternative the Haber-Bosch process for sustainable, distributed production when powered by renewable electricity. However, development such has been impeded lack efficient electrocatalysts reduction. Here we report electroreduction on palladium nanoparticles in phosphate buffer solution under ambient conditions, which exhibits high activity and selectivity with yield rate ~4.5 μg mg-1Pd h-1 a Faradaic efficiency 8.2% at 0.1 V vs. reversible...
Abstract Electrocatalytic CO 2 reduction to emerges as a potential route of utilizing emitted . Metal‐N‐C hybrid structures have shown unique activities, however, the active centers and reaction mechanisms remain unclear because ambiguity in true atomic for prepared catalysts. Herein, combining density‐functional theory calculations experimental studies, well‐defined metal–N 4 sites were explored using metal phthalocyanines model The theoretical reveal that cobalt phthalocyanine exhibits...
Abstract For electrocatalytic water splitting, the sluggish anodic oxygen evolution reaction (OER) restricts cathodic hydrogen (HER). Therefore, developing an alternative with accelerating kinetics to produce value‐added chemicals, especially coupled HER, is of great importance. Now, a thermodynamically more favorable primary amine (−CH 2 −NH ) electrooxidation catalyzed by NiSe nanorod arrays in reported replace OER for enhancing HER. The increased H production can be obtained at cathode;...
Abstract The lack of highly efficient, inexpensive catalysts severely hinders large-scale application electrochemical hydrogen evolution reaction (HER) for producing hydrogen. MoS 2 as a low-cost candidate suffers from low catalytic performance. Herein, taking advantage its tri-layer structure, we report nanofoam catalyst co-confining selenium in surface and cobalt inner layer, exhibiting an ultra-high large-current-density HER activity surpassing all previously reported heteroatom-doped ....
Crystals of graphite nanosheets, achieved via a simple ball milling approach, show significant size effect in electrocatalytic activation oxygen.
Employing an alternative of the Pt-based electrocatalysts for oxygen reduction reaction (ORR) has become a major interest in fundamental research polymer electrolyte membrane fuel cells (PEMFCs). The carbon-encapsulated metal catalyst, on which O2 is readily activated by electrons transferred from to carbon surface, recently been demonstrated as promising strategy produce robust non-precious electrocatalysts. However, thickness walls might affect process electron transfer, and subsequently...
Abstract Supported nanoparticles are broadly employed in industrial catalytic processes, where the active sites can be tuned by metal-support interactions (MSIs). Although it is well accepted that supports modify chemistry of metal nanoparticles, systematic utilization MSIs for achieving desired performance still challenging. The developments with appropriate chemical properties and identification resulting main barriers. Here, we develop two-dimensional transition carbides (MXenes)...
Encapsulating transition-metal nanoparticles inside carbon nanotubes (CNTs) or spheres has emerged as a novel strategy for designing highly durable nonprecious-metal catalysts. The stable layer protects the inner metal core from destructive reaction environment and thus is described chain mail Electron transfer active to stimulates unique catalytic activity on surface, which been utilized extensively in variety of systems. Here, we elaborate underlying working principle catalysts well key...
RuO2 is considered as the state-of-the-art electrocatalyst for oxygen evolution reaction (OER) in acidic media. However, its practical application largely hindered by both high overpotential and severe electrochemical corrosion of active centers. To overcome these limitations, innovative design strategies are necessary, which remains a great challenge. Herein, robust interface Ru centers between graphene, via controllable oxidation graphene encapsulating nanoparticles, presented to...
An undercover agent: Graphene has been used as an imaging agent to visualize interfacial reactions under its cover, and exhibits a strong confinement effect on the chemistry of molecules underneath (see picture). In CO atmosphere, penetrates into graphene/Pt(111) interface reacts with O2 therein, whereas intercalated desorbs from Pt surface. Detailed facts importance specialist readers are published "Supporting Information". Such documents peer-reviewed, but not copy-edited or typeset. They...
The oxygen evolution reaction (OER) is an important half in many energy conversion and storage techniques. However, the development of a low-cost easy-prepared OER electrocatalyst with high mass activity rapid kinetics still challenging. Herein, we report facile deposition tannin-NiFe (TANF) complex film on carbon fiber paper (CP) as highly efficient electrocatalyst. TANF gives very small Tafel slope 28 mV dec-1 . reaches 9.17×103 Ag-1 at overpotential 300 mV, which nearly 200-times larger...
The electrocatalytic decomposition of the abundant and toxic H<sub>2</sub>S from industrial by-products is a promising energy conversion technology for H<sub>2</sub> production simultaneously removing this environmental pollutant.
Abstract For most metal-containing CO 2 reduction reaction (CO RR) electrocatalysts, the unavoidable self-reduction to zero-valence metal will promote hydrogen evolution, hence lowering RR selectivity. Thus it is challenging design a stable phase with resistance electrochemical as well high activity. Herein, we report scenario develop hydrocerussite and active electrocatalyst via in situ conversion of complex precursor, tannin-lead(II) (TA-Pb) complex. A comprehensive characterization...