A5084047416- Catalytic Processes in Materials Science
- Catalysis for Biomass Conversion
- Catalysis and Hydrodesulfurization Studies
- Catalysts for Methane Reforming
- Catalysis and Oxidation Reactions
- Nanomaterials for catalytic reactions
- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- Asymmetric Hydrogenation and Catalysis
- Metal-Organic Frameworks: Synthesis and Applications
- Mesoporous Materials and Catalysis
- Advancements in Battery Materials
- Advanced Chemical Physics Studies
- Nanocluster Synthesis and Applications
- Advanced Battery Materials and Technologies
- Advanced Nanomaterials in Catalysis
- Process Optimization and Integration
- Microplastics and Plastic Pollution
- Machine Learning in Materials Science
- Ammonia Synthesis and Nitrogen Reduction
- Recycling and Waste Management Techniques
- Advanced battery technologies research
- CO2 Reduction Techniques and Catalysts
- Oxidative Organic Chemistry Reactions
- Zeolite Catalysis and Synthesis
East China University of Science and Technology
2017-2025
State Key Laboratory of Chemical Engineering
2017-2025
University of California, Riverside
2019-2024
Tongji University
2018
Shaoxing University
2016
Abstract Critical barriers to layered Ni-rich cathode commercialisation include their rapid capacity fading and thermal runaway from crystal disintegration interfacial instability. Structure combines surface modification is the ultimate choice overcome these. Here, a synchronous gradient Al-doped LiAlO 2 -coated LiNi 0.9 Co 0.1 O designed prepared by using an oxalate-assisted deposition subsequent thermally driven diffusion method. Theoretical calculations, in situ X-ray diffraction results...
Highly dispersed bimetallic Pd-In catalysts on Al2O3 were prepared by a simple impregnation method. In comparison with the unsupported intermetallic catalyst, supported catalyst exhibited several magnitudes higher activity and similar selectivity for selective acetylene hydrogenation. Moreover, activity, selectivity, anticoking performance of superior to those monometallic Pd catalyst. The electron transferred from indium weakened adsorption ethylene negatively charged sites hence improved...
Abstract Atomic regulation of metal catalysts has emerged as an intriguing yet challenging strategy to boost product selectivity. Here, we report a density functional theory‐guided atomic design for the fabrication NiGa intermetallic catalyst with completely isolated Ni sites optimize acetylene semi‐hydrogenation processes. Such show not only preferential π‐adsorption, but also enhanced ethylene desorption. The characteristics are confirmed by multiple characterization techniques, including...
Abstract Although CeO 2 nanomaterials have been widely explored as nanozymes for catalytic therapy, they still suffer from relatively low activities. Herein, the catalyzing generation and stabilization of oxygen vacancies on nanorods by Pt nanoclusters via H gas reduction under mild temperature (350 °C) to obtain Pt/CeO 2− x , which can serve a highly efficient nanozyme cancer is reported. The deposited atomic layer deposition technique not only catalyst generate through hydrogen spillover...
Alkyne hydrogenation on palladium-based catalysts modified with silver is currently used in industry to eliminate trace amounts of alkynes alkenes produced from steam cracking and alkane dehydrogenation processes. Intensive efforts have been devoted designing an alternative catalyst for improvement, especially terms selectivity cost, which still far away that as expected. Here, we describe atomic design a high-performance Ni-based intermetallic aided by active machine learning combined...
Gradually emerging environmental concerns have triggered the development of highly efficient catalysts for propene epoxidation with H2 and O2. Unfortunately, intensifying activity stability is still a challenging task. Herein, Au–Ag bimetallic were deposited on titanium silicate-1 blocked pores (TS-1-B). Via density functional theory calculations together multiple types characterization (e.g., high-angle annular dark-field scanning transmission electron microscopy, ultraviolet–visible, X-ray...
MoS<sub>2</sub> electrocatalysts are introduced to construct a robust sandwich-type MoS<sub>2</sub>/S/rGO cathode with simultaneously improved reaction kinetics and capacity retention.
Abstract Herein, a facile seed‐assisted strategy for preparing Cu nanoparticles (NPs) with polyvinyl pyrrolidone (PVP) capping is presented. Compared to the NPs deficient PVP protection, capped sufficient amount of remain almost completely as 0 species. In contrast, that are considered form an oxide structure in which inner layer face‐centered cubic and outer is, at least part, made up 2 O Furthermore, eliminate CO molecule diffusion simultaneously obtain significant current density (200 mA...
Abstract Pursuing and developing effective methodologies to construct highly active catalytic sites maximize the atomic energy efficiency by material engineering are attractive. Relative tremendous researches of carbon-based single atom systems, construction bio-applicable materials is still in its infancy. Herein, we propose a facile general interfacial-confined coordination strategy high-quality single-atom nanotherapeutic agent with Fe atoms being anchored on defective carbon dots...
Mechanism driven catalyst design with atomically uniform ensemble sites is an important yet challenging issue in heterogeneous catalysis associated breaking the activity-selectivity trade-off. Herein, a trimer Ni1Sb2 site NiSb intermetallic featuring superior selectivity elaborated for acetylene semi-hydrogenation via theoretical guidance precise synthesis strategy. The predicted to endow reactant adequately but not excessively strong σ-adsorption mode while ethylene product weak...
Precisely tailoring the distance between adjacent metal sites to match adsorption configurations of key species for targeted reaction pathway is a great challenge in heterogeneous catalysis. Here, we report proof-of-concept study on atomically sites-tailored Pd-catalyzed acetylene hydrogenation, i.e., increasing Pd atoms (dPd-a-Pd ) configuration matching semi-hydrogenation against coupling. dPd-a-Pd identified as structural descriptor describing competitiveness pathways, and increased...
A subsurface carbon tailored Ni–Ga intermetallic catalyst delivers superior catalytic performance for acetylene semi-hydrogenation.
Polyethylene terephthalate (PET) hydrogenolysis can produce benzene, toluene, and xylene (BTX), where the selectivity control is challenging. We report a reaction pathway dictated by Ru coordination environment examining binding geometries of adsorbates on differently coordinated centers their evolution during PET hydrogenolysis. A BTX yield 77 % was obtained using Ru/TiO2 with number ca. 5.0 edge/corner sites are dominant, while more gas saturated products were formed for containing...
The sustainable production of value-added N-heterocycles from available biomass allows to reduce the reliance on fossil resources and creates possibilities for economically ecologically improved synthesis fine bulk chemicals. Herein, we present a unique Ru1CoNP/HAP surface single-atom alloy (SSAA) catalyst, which enables new type transformation bio-based platform chemical furfural give N-heterocyclic piperidine. In presence NH3 H2, desired product is formed under mild conditions with yield...
Abstract Regulating Ni active sites toward the formation of target product is great importance for designing high‐performance cost‐effective catalysts catalytic semi‐hydrogenations but remains challenging. Herein, we report fabrication NiSb intermetallic catalyst via structural transformation from a layered double hydroxides precursor boosting propyne semi‐hydrogenation. Systematic characterizations, including x‐ray diffraction, atomic‐resolution electron microscopy, and absorption...
Selectivity in catalysis is key to many industrial processes, yet it often difficult control. One promising approach use so-called single-atom catalysts, whereby one catalytic component isolated within a second phase add but otherwise unavailable functionality. Here, we report the of metal alloys consisting Pt single atoms diluted Cu nanoparticles selectively promote hydrogenation C═O bonds unsaturated aldehydes, reaction interest fine chemical manufacturing. Our rationale, that surfaces may...
Supported gold nanoparticles are emerging catalysts for heterogeneous catalytic reactions, including selective hydrogenation. The traditionally used supports such as silica do not favor the heterolytic dissociation of hydrogen on surface gold, thus limiting its hydrogenation activity. Here we use catalyst particles partially embedded in pore walls mesoporous carbon with atoms occupying interstitial sites lattice. This allows improved electron transfer from to and, when chemoselective...
A comprehensive study of the kinetics catalytic hydrogenation unsaturated aldehydes, in particular cinnamaldehyde, promoted by CuPtx/SBA-15 single-atom alloy catalysts was carried out order to identify trends as a function composition bimetallic nanoparticles, that is, value x. The optimum performance reported us recently [ ACS Catal. 2019, 9, 9150−9157] terms selectivity toward formation cinnamyl alcohol, desired product, catalyst with x = 0.005 corroborated. rapid decrease seen activity...
Catalysis is a kinetics behavior, and developing the kinetics-assisted discrimination of active sites an important yet challenging issue in heterogeneous catalysis. Herein, we combine multifaceted analysis with model calculations to discriminate dominant Pd-catalyzed semihydrogenation acetylene. The size-insensitive activation energy ≥3.1 nm sized Pd catalysts similar electronic properties suggests that only one typed site mainly dominates acetylene hydrogenation. results calculations, based...
In this study, the support effects on Pd-catalyzed semi-hydrogenation of acetylene have been investigated from structural and kinetic perspectives. According to results analysis X-ray photoelectron spectroscopy, hydrogen temperature-programmed reduction, hydride decomposition, in situ diffraction measurements, using carbon nanotubes as for Pd nanocatalysts with various sizes instead α-Al2O3 decreases Pd0 3d binding energy suppresses formation undesirable palladium species, thus increasing...