A5033779961- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Fuel Cells and Related Materials
- Advanced Photocatalysis Techniques
- Catalytic Processes in Materials Science
- Advancements in Battery Materials
- Electrochemical Analysis and Applications
- Supercapacitor Materials and Fabrication
- Advanced Battery Materials and Technologies
- Copper-based nanomaterials and applications
- CO2 Reduction Techniques and Catalysts
- Gas Sensing Nanomaterials and Sensors
- Electrochemical sensors and biosensors
- Catalysis and Oxidation Reactions
- Ammonia Synthesis and Nitrogen Reduction
- Nanomaterials for catalytic reactions
- Molten salt chemistry and electrochemical processes
- Catalysis and Hydrodesulfurization Studies
- TiO2 Photocatalysis and Solar Cells
- Molecular Junctions and Nanostructures
- Advanced Nanomaterials in Catalysis
- Advanced Battery Technologies Research
- Conducting polymers and applications
- ZnO doping and properties
- Ionic liquids properties and applications
Qingdao University of Technology
2025
Qingdao University of Science and Technology
2025
Chongqing University of Technology
2017-2025
Harbin Institute of Technology
2023-2025
University of Electronic Science and Technology of China
2025
Chongqing University
2013-2024
Gansu Agricultural University
2024
Institut de Recerca en Energia de Catalunya
2022-2024
Shenzhen Institute of Information Technology
2023-2024
Ningde Normal University
2022
Forced obedience: Layer-structured montmorillonite (MMT) was used as a nanoreactor for the generation of planar pyridinic and pyrrolic N sites in nitrogen-doped graphene (NG; see picture). The selectivity formation inversely proportional to interspace width (δ) MMT reached maximum 90.27 %. NG catalyst exhibited low electrical resistance, high electrocatalytic activity, good stability. development high-performance low-cost catalytic materials oxygen reduction reaction (ORR) has been major...
We have designed and synthesized a polyaniline (PANI)-decorated Pt/C@PANI core-shell catalyst that shows enhanced activity durability compared with nondecorated Pt/C. The experimental results demonstrate the for oxygen reduction reaction strongly depends on thickness of PANI shell greatest enhancement in catalytic properties occurs at 5 nm, followed by 2.5, 0, 14 nm. also demonstrates significantly improved stability unmodified Pt/C catalyst. high is ascribed to its novel PANI-decorated...
Herein, we report a "shape fixing via salt recrystallization" method to efficiently synthesize nitrogen-doped carbon material with large number of active sites exposed the three-phase zones, for use as an ORR catalyst. Self-assembled polyaniline 3D network structure was fixed and fully sealed inside NaCl recrystallization solution. During pyrolysis, crystal functions nanoreactor, which facilitates nitrogen incorporation graphitization. The gasification in such closed nanoreactor creates...
Oxygen vacancies (OVs) are important for changing the geometric and electronic structures as well chemical properties of MnO2. In this study, we performed a DFT+U calculation on structure catalytic performance β-MnO2 catalyst oxygen reduction reaction (ORR) with different numbers extents OVs. Comparing those results experimental XRD analysis, determined that OVs produce new crystalline phase β-MnO2. Changes in (Bader charges, band structure, partial density states, local frontier molecular...
Schichtförmiger Montmorillonit (MMT) wurde als Nanoreaktor für die Erzeugung von planaren pyridinischen und pyrrolischen N-Zentren in N-dotiertem Graphen (NG) verwendet (siehe Bild). Die Selektivität Bildung der war umgekehrt proportional zum Schichtabstand (δ) des MMT erreicht ein Maximum 90.27 %. Der NG-Katalysator zeichnet sich durch einen niedrigen elektrischen Widerstand, hohe elektrokatalytische Aktivität gute Stabilität aus. As a service to our authors and readers, this journal...
Ammonium-ion aqueous supercapacitors are raising notable attention owing to their cost, safety, and environmental advantages, but the development of optimized electrode materials for ammonium-ion storage still lacks behind expectations. To overcome current challenges, here, a sulfide-based composite based on MoS2 polyaniline (MoS2 @PANI) is proposed as an host. The possesses specific capacitances above 450 F g-1 at 1 A , 86.3% capacitance retention after 5000 cycles in three-electrode...
Here, we reported a strategy of using an eggshell membrane to produce hierarchically porous carbon as low-cost substrate for synthesizing nano-nickel oxide catalyst (C@NiO), which can effectively turn biowaste—urea—into energy through electrochemical approach. The interwoven networks within NiO led highly efficient urea oxidation due the strong synergistic effect. as-prepared electrode only needed 1.36 V versus reversible hydrogen realize high efficiency 10 mA cm–2 in 1.0 M KOH with 0.33 and...
There is an urgent need for cost-effective strategies to produce hydrogen from renewable net-zero carbon sources using energies. In this context, the electrochemical evolution reaction can be boosted by replacing oxygen with oxidation of small organic molecules, such as ethylene glycol (EG). EG a particularly interesting liquid two hydroxyl groups that transformed into variety C1 and C2 chemicals, depending on catalyst conditions. Here, demonstrated selective (EGOR) formate nickel selenide....
Abstract The catalytic activation of the Li‐S reaction is fundamental to maximize capacity and stability batteries (LSBs). Current research on catalysts mainly focuses optimizing energy levels promote adsorption conversion, while frequently overlooking electronic spin state influence charge transfer orbital interactions. Here, hollow NiS 2 /NiSe heterostructures encapsulated in a nitrogen‐doped carbon matrix (NiS @NC) are synthesized used as additive sulfur cathodes. heterostructure promotes...
Bismuth oxide (Bi2O3) emerges as a potent catalyst for converting CO2 to formic acid (HCOOH), leveraging its abundant lattice oxygen and the high activity of Bi-O bonds. Yet, durability is usually impeded by loss causing structure alteration destabilized active Herein, we report an innovative approach via interstitial incorporation indium (In) into Bi2O3, significantly enhancing bond stability preserving oxygen. The optimized In-Bi2O3-100 achieves over 90% Faradaic efficiency HCOOH...
Abstract The electrocatalytic performance of a spinel for the oxygen reduction reaction (ORR) can be significantly promoted by reversing its crystalline structure from normal to inverse. As reversed, activation and cleavage O−O bonds are accelerated owing dissimilarity effect distinct metal atoms co‐occupying octahedral sites. Co II Fe III O 4 with inverse exhibits an excellent ORR activity, which even exceeds that state‐of‐the‐art commercial Pt/C 42 mV in alkaline medium.
Abstract An efficient three-dimensional (3D) hybrid material of nitrogen-doped graphene sheets (N-RGO) supporting molybdenum disulfide (MoS 2 ) nanoparticles with high-performance electrocatalytic activity for hydrogen evolution reaction (HER) is fabricated by using a facile hydrothermal route. Comprehensive microscopic and spectroscopic characterizations confirm the resulting possesses 3D crumpled few-layered network structure decorated MoS nanoparticles. Electrochemical characterization...
A composite nanocarrier system integrating the porous structure of mesoporous silica nanoparticles (MSNs) and adhesive property polydopamine (PDA) for loading release hydrophilic drugs is reported. Amino group functionalization facilitates oxidant-induced surface polymerization dopamine in confined space mesopores by Schiff base/Michael addition reaction a mild synthesis. As consequence, MSN@PDA particles have an average pore size 4.0 nm, particle diameter ∼70 as well thin layer coating on...
The Co nanoparticles encapsulated inside and nitrogen co-doped carbon catalysts with small particle size homogenous distribution of NPs were elaborately synthesized, which exhibit evidently outstanding activity stability toward ORR/HER.
The electrochemical oxygen evolution reaction (OER) plays a fundamental role in several energy technologies, which performance and cost-effectiveness are large part related to the used OER electrocatalyst. Herein, we detail synthesis of cobalt-iron oxide nanosheets containing controlled amounts well-anchored SO42- anionic groups (CoFexOy-SO4). We use cobalt-based zeolitic imidazolate framework (ZIF-67) as structural template cobalt source Mohr's salt ((NH4)2Fe(SO4)2·6H2O) iron sulfate. When...
The development of cost-effective bifunctional catalysts for water electrolysis is both a crucial necessity and an exciting scientific challenge. Herein, simple approach based on metal-organic framework sacrificial template to preparing cobalt molybdenum nitride supported nitrogen-doped carbon nanosheets reported. porous structure produced composite enables fast reaction kinetics, enhanced stability, high corrosion resistance in critical seawater conditions. nitride-based electrocatalyst...
Abstract The use of non‐metal charge carriers such as ammonium (NH 4 + ) in electrochemical energy storage devices offers advantages terms weight, element abundance, and compatibility with aqueous electrolytes. However, the development suitable electrodes for lags behind other technologies. Herein, we present a high‐performance anode material ammonium‐ion supercapacitors based on MoO 3 /carbon (MoO @C) composite. NH performance composites their practical application prospects are evaluated...
An iron single-atom catalyst, composed of robust FeN4 moieties anchored on a nitrogen-doped porous carbon matrix (Fe-SAC/NC), has been developed via surfactant-coordinated metal-organic framework (MOF) approach for application in heterogeneous electro-Fenton (HEF) process. The cohesive interaction between the surfactant and MOF precursor enabled formation abundant stable moieties. Fe-SAC/NC-catalyzed HEF allowed complete degradation 2,4-dichlorophenol with low leaching (1.2 mg L-1), being...