A5035477427- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- CO2 Reduction Techniques and Catalysts
- Advanced battery technologies research
- Crystallization and Solubility Studies
- Catalytic Processes in Materials Science
- X-ray Diffraction in Crystallography
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Crystallography and molecular interactions
- Fuel Cells and Related Materials
- Ionic liquids properties and applications
- Electrochemical Analysis and Applications
- Ammonia Synthesis and Nitrogen Reduction
- Nanomaterials for catalytic reactions
- Covalent Organic Framework Applications
- Perovskite Materials and Applications
- Metal-Organic Frameworks: Synthesis and Applications
- Copper-based nanomaterials and applications
- MXene and MAX Phase Materials
- Supercapacitor Materials and Fabrication
- Advanced Battery Technologies Research
- Advanced Graph Neural Networks
- Advanced Memory and Neural Computing
- Catalysis and Hydrodesulfurization Studies
Anhui Normal University
2017-2025
Second Affiliated Hospital of Nanchang University
2021-2024
Nanchang University
2021-2024
Hubei University of Technology
2024
Soochow University
2024
Zhejiang University
2024
State Key Laboratory of Silicon Materials
2024
Hunan University
2020-2024
State Key Laboratory of Chemobiosensing and Chemometrics
2020-2024
Qingdao University of Science and Technology
2021-2023
Single-atom metal–nitrogen–carbon (M–N–C) catalysts have sparked intense interests, but the catalytic contribution of N-bonding environment neighboring M–N4 sites lacks attention. Herein, a series Fe–N–C nanoarchitectures been prepared, which confer adjustable numbers atomically dispersed Fe–N4 sites, tunable hierarchical micro-mesoporous structures and intensified exposure interior active sites. The optimization between single carbon matrix delivers superior oxygen reduction reaction...
The low-cost room-temperature sodium-sulfur battery system is arousing extensive interest owing to its promise for large-scale applications. Although significant efforts have been made, resolving low sulfur reaction activity and severe polysulfide dissolution remains challenging. Here, a host comprised of atomic cobalt-decorated hollow carbon nanospheres synthesized enhance reactivity electrocatalytically reduce into the final product, sodium sulfide. constructed cathode delivers an initial...
Room-temperature sodium-sulfur (RT-Na/S) batteries hold significant promise for large-scale application because of low cost both sodium and sulfur. However, the dissolution polysulfides into electrolyte limits practical application. Now, design testing a new class sulfur hosts as transition-metal (Fe, Cu, Ni) nanoclusters (ca. 1.2 nm) wreathed on hollow carbon nanospheres (S@M-HC) RT-Na/S is reported. A chemical couple between metal hypothesized to assist in immobilization enhance...
The enhancement of electron-and-hole separation efficiency and facile generation reactive oxygen species are significant factors for performance improvement photocatalysts in selective toluene photocatalytic oxidation. Heterojunction defect construction have been regarded as valid methods to boost activity semiconductors. Herein, the CdIn2S4-CdS composite with compact heterojunctions defect-induced sulfur vacancies was fabricated by a one-step hydrothermal process. sheet-to-sheet abundant...
CO2 electrocatalytic reduction (CO2 ER) to multicarbon (C2+ ) products is heavily pursued because of their commercial values, and the efficiency selectivity have both attracted tremendous attention. A flow-cell a device configuration that can greatly enhance conversion but requires catalysts possess high electrical conductivity gas permeability; meanwhile, should enable reaction pathway specific products. Herein, it reported V-doped Cu2 Se nanotubes with hierarchical structure be perfectly...
Abstract Alkaline water electrolysis is a commercially viable technology for green H 2 production using renewable electricity from intermittent solar or wind energy, but very few non‐noble bifunctional catalysts simultaneously exhibit superb catalytic efficiency and stability at large current densities hydrogen oxygen evolution reactions (HER OER, respectively), especially iron‐based catalysts. Given that iron the most abundant least expensive transition metal, compounds are attractive...
It is highly desired yet challenging to steer the CO2 electroreduction reaction (CO2 ER) toward ethanol with high selectivity, for which evolution of intermediates on catalytically active sites holds key. Herein, we report that K doping in Cu2 Se nanosheets array Cu foam serves as a versatile way tune interaction between and ER, enabling selective production ethanol. As revealed by characterization simulation, electron transfer from can stabilize CuI species facilitate adsorption linear *COL...
CO poisoning of Pt-group metal catalysts is a long-standing problem, particularly for hydrogen oxidation reaction in proton exchange membrane fuel cells. Here, we report catalyst Ru oxide-coated supported on TiO2 (Ru@RuO2/TiO2), which can tolerate 1-3% CO, enhanced by about 2 orders magnitude over the classic PtRu/C catalyst, electrooxidation rotating disk electrode test. This work stably 1% CO/H2 50 h. About 20% active sites survive even pure environment. The high tolerance not via...
ConspectusThe performance of nanomaterials in electrochemical energy conversion (fuel cells) and storage (secondary batteries) strongly depends on the nature their surfaces. Designing structure electrode materials is key approach to achieving better performance. Metal or metal oxide nanocrystals (NCs) with high-energy surfaces open surface structures have attained significant attention past decade since such features possess intrinsically exceptional properties. However, they are...
Controversial results still exist about the activities of tetrahedral (Co<sup>2+</sup>) and octahedral (Co<sup>3+</sup>) sites in Co<sub>3</sub>O<sub>4</sub> toward OER. Theoretical experimental data confirm that are responsible for OER, using model catalysts.
Sodium-ion batteries (SIBs) have been regarded as a promising candidate for large-scale renewable energy storage system. Layered manganese oxide cathode possesses the advantages of high density, low cost and natural abundance while suffering from limited cycling life poor rate capacity. To overcome these weaknesses, layer-tunnel hybrid material was developed served SIB, which integrated capacity, superior cycle ability, performance. In current work, doping copper adopted to suppress...
The application of Pt alloy catalysts for oxygen reduction reactions (ORRs) in proton-exchange membrane fuel cells is severely impeded by base metal leaching, since the produced ions can result degradation a Nafion replacing H+ and inducing Fenton reaction. Doping with nonmetal elements significantly mitigate such problems due to relative harmlessness corrosion products anions. Herein, we developed phosphorus-doping strategy, which greatly boost ORR performance Pt. Phosphorus was introduced...
Li2CO3 is the cathodic discharge product of a Li-CO2/O2 battery and difficult to electrochemically decompose. The accumulation leads degradation results in short lifespan. Herein, carbon nanotube supported Ru/NiO@Ni catalyst (Ru/NiO@Ni/CNT) synthesized with Ru nanoparticles (∼2.5 nm) anchored on surface core–shell structure NiO@Ni (∼17 nm). We found strong interfacial interactions between NiO. XRD XPS analysis revealed that presence could protect Ni species from being deeply oxidized while...
Abstract The crucial issue for fuel cells is to improve the activity and durability of Pt‐based catalysts. Herein, based on short distance enhancement effects, a novel PtCo@NC catalyst with remarkably enhanced electrocatalytic properties methanol oxidation reaction (MOR) in acidic electrolytes developed by shortening Pt–Co active site distance. In brief, series catalysts different biatomic arrangement are precisely synthesized an situ reduction‐fusion method, achieving structural evolution...
Pyrolyzed Fe/N/C, a promising nonprecious-metal catalyst for oxygen reduction reaction (ORR), usually relies on abundant micropores, which can host large amount of active sites. However, microporous structure suffers from severe water flooding to break the triple-phase interface where ORR occurs, especially in direct methanol fuel cell (DMFC) fed with liquid fuel. Current studies about fabrication are mainly limited Pt/C layer, mesopores and macropores concerned. Here, we successfully...
In order to maximize the Pt utilization in catalysts and improve catalytic processes, we report a convenient strategy for preparation of Pt3Co with Pt-skin structured bimetallic nanocatalysts directly supported on porous graphitic carbon. Notably, thickness is only 1–2 atomic layers, about 0.5 nm. Surprisingly, composed are first used as ethanol electro-catalysts, mass activity 0.79 mA μgPt–1, which 250% enhancement compared commercial Pt/C (0.32 μgPt–1). On basis results electrochemical...
Abstract Lithium–sulfur batteries are attractive for automobile and grid applications due to their high theoretical energy density the abundance of sulfur. Despite significant progress in cathode development, lithium metal degradation polysulfide shuttle remain two critical challenges practical application Li–S batteries. Development advanced electrolytes has become a promising strategy simultaneously suppress dendrite formation prevent dissolution. Here, new class concentrated...