A5014087781- Advancements in Battery Materials
- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Advanced Battery Materials and Technologies
- Supercapacitor Materials and Fabrication
- Catalytic Processes in Materials Science
- Iron oxide chemistry and applications
- Graphene research and applications
- Nanoplatforms for cancer theranostics
- Magnetic Properties and Synthesis of Ferrites
- Nanomaterials for catalytic reactions
- Fuel Cells and Related Materials
- Nanoparticle-Based Drug Delivery
- Semiconductor materials and devices
- Carbon Nanotubes in Composites
- Silicon Nanostructures and Photoluminescence
- Metal-Organic Frameworks: Synthesis and Applications
- Nanowire Synthesis and Applications
- Nanocluster Synthesis and Applications
- Advanced Nanomaterials in Catalysis
- Magnetic properties of thin films
- Quantum Dots Synthesis And Properties
- Diamond and Carbon-based Materials Research
- Catalysis and Oxidation Reactions
- CO2 Reduction Techniques and Catalysts
Wuyi University
2025
Hefei Institutes of Physical Science
2016-2025
High Magnetic Field Laboratory
2016-2025
Chinese Academy of Sciences
2016-2025
University of Science and Technology of China
2016-2025
Hefei National Center for Physical Sciences at Nanoscale
2016-2025
Fujian Medical University
2022-2025
Microscale (United States)
2015-2025
Hebei Medical University
2025
The Ohio State University
2025
Abstract The scalable production of hydrogen could conveniently be realized by alkaline water electrolysis. Currently, the major challenge confronting evolution reaction (HER) is lacking inexpensive alternatives to platinum-based electrocatalysts. Here we report a high-efficient and stable electrocatalyst composed ruthenium cobalt bimetallic nanoalloy encapsulated in nitrogen-doped graphene layers. catalysts display remarkable performance with low overpotentials only 28 218 mV at 10 100 mA...
An FeCo alloy covered with nitrogen doped graphene is prepared by direct annealing of Fe<sub>3</sub>[Co(CN)<sub>6</sub>]<sub>2</sub>nanoparticles, exhibiting efficient HER catalysis.
Single‐crystalline nanowires of Fe 3 O 4 hydrothermally synthesized under a magnetic field are reported. The square and hexagonal crystals formed in zero applied shown to give way as the is increased. Figure shows situation for 0.25 T field. structure properties characterized by transmission electron microscopy, X‐ray diffraction, magnetometry.
Currently, RuO2 is a benchmark acidic oxygen evolution reaction (OER) catalyst. Nevertheless, its wide applications are always restricted by slow dynamics and limited durability. This paper reports type of Mn-doped nanocrystals for boosting the OER catalytic performance in media. The catalyst (named Mn-RuO2) prepared through annealing Ru-exchanged Mn-based derivative at 300 °C. Such Mn-RuO2 exhibits excellent activity, with an overpotential 158 mV 10 mA cm–2 stability 5000 cycles presence...
The metal-free catalytic reduction of 4-nitrophenol (Nip) to 4-aminophenol (Amp) mediated by N-doped graphene (NG) was reported. Nip could be reduced Amp completely without any by-product generation. activity the NG is comparable with some previously reported metallic catalysts. Interestingly, sheet catalyzed reaction follows pseudo-zero-order kinetics, while all catalysts follow pseudo-first-order kinetics. in situ FTIR experiment demonstrated that ions will combine via O atoms their...
Co3O4 nanoparticles have been prepared by a facile strategy, which involves the thermal decomposition of cobalt-based Prussian blue analogues at different temperatures. The 450, 550, 650, 750, and 850 °C exhibited high discharge capacity 800, 970, 828, 854, 651 mAhg–1, respectively, after 30 cycles current density 50 mAg–1. nanocages produced 550 show highest lithium storage capacity. It is found that display nanosize grains, hollow structure, porous shell, large specific surface area. At...
The high theoretical capacity and low discharge potential of silicon have attracted much attention on Si-based anodes. Herein, hollow porous SiO2 nanocubes been prepared via a two-step hard-template process evaluated as electrode materials for lithium-ion batteries. exhibited reversible 919 mAhg−1 over 30 cycles. reasonable property could be attributed to the unique nanostructure with large volume interior numerous crevices in shell, which accommodate change alleviate structural strain...
Electrochemical water splitting is considered as the most promising technology for hydrogen production. Considering overall practical applications, catalysis of oxygen evolution reaction (OER) and (HER) should be performed in same electrolyte, especially alkaline solutions. However, designing searching highly active inexpensive electrocatalysts both OER HER basic media remain significant challenges. Herein, we report a facile universal strategy synthesizing nonprecious transition metals,...
Novel CuO/Cu2O hollow polyhedrons with porous shells were fabricated by thermal decomposition of coordination compound [Cu3(btc)2]n (btc = benzene-1,3,5-tricarboxylate) at 350 °C. When tested as anode materials for lithium-ion batteries, these exhibited a reversible lithium storage capacity high 740 mA h g−1 100 after 250 cycles even if the charge–discharge process is stopped one week during test time.
Tumor hypoxia compromises the therapeutic efficiency of photodynamic therapy (PDT) as local oxygen concentration plays an important role in generation cytotoxic singlet (1 O2 ). Herein, a versatile mesoporous nanoenzyme (NE) derived from metal-organic frameworks (MOFs) is presented for situ endogenous to enhance PDT efficacy under bioimaging guidance. The NE constructed by first coating manganese-based MOFs with silica, followed facile annealing process ambient atmosphere. After removing...
Abstract It is known that the main-group metals and their related materials show poor catalytic activity due to a broadened single resonance derived from interaction of valence orbitals adsorbates with broad sp-band metals. However, Mg cofactors existing in enzymes are extremely active biochemical reactions. Our density function theory calculations reveal (Mg, Al Ca) oxygen reduction reaction severely hampered by tight-bonding centers hydroxyl group intermediate, while atom coordinated two...
Manganese (Mn) is generally regarded as not being sufficiently active for the oxygen reduction reaction (ORR) compared to other transition metals such Fe and Co. However, in biology, manganese-containing enzymes can catalyze oxygen-evolving reactions efficiently with a relative low onset potential. Here, atomically dispersed O N atoms coordinated Mn sites are incorporated within graphene frameworks emulate both structure function of cofactors heme-copper oxidases superfamily. Unlike previous...
Herein, we report the feasibility to enhance capacity and stability of CoMn2O4 anode materials by fabricating hierarchical mesoporous structure. The open space between neighboring nanosheets allows for easy diffusion electrolyte. microspheres assembled with can ensure that every nanosheet participates in electrochemical reaction, because is contacted electrolyte solution. structure well interconnected pores on surface will CoMn2O4/electrolyte contact area, shorten Li+ ion length accommodate...
Lithium-ion batteries (LIBs), owing to their high energy density, light weight, and long cycle life, have shown considerable promise for storage devices. The successful utilization of LIBs depends strongly on the preparation nanomaterials with outstanding lithium properties. Recent progress has demonstrated that hollow/porous nanostructured oxides are very attractive candidates anodes due capacities. Here, we aim provide an overview nanoscale metal-organic frameworks (NMOFs)-templated...
Abstract Graphene, a 2D material consisting of single layer sp 2 ‐hybridized carbon, exhibits inert activity as an electrocatalyst, while the incorporation heteroatoms (such N) into framework can tune its electronic properties. Because different electronegativity between N and C atoms, electrons will transfer from to in N‐doped graphene nanosheets, changing atoms adjacent N‐dopants active sites. Notwithstanding achieved progress, intrinsic acidic media is still far Pt/C. Here, facile...
The synergistic interplay between Ru and MoO<sub>2</sub> contributes to an outstanding Pt-like electrocatalytic behavior towards the hydrogen evolution reaction.
Although MnO has been demonstrated to be a promising anode material for lithium-ion batteries (LIBs) in terms of its high theoretical capacity (755 mA h g−1), comparatively low voltage hysteresis (<0.8 V), cost, and environmental benignity, the application as practical electrode is still hindered by many obstacles, including poor cycling stability huge volume expansion during charge/discharge process. Herein, we report facile scalable metal–organic framework-derived route situ fabrication...
Abstract Herein we report a novel facile strategy for the fabrication of Co 3 O 4 porous nanocages based on Kirkendall effect, which involves thermal decomposition Prussian blue analogue (PBA) [Co(CN) 6 ] 2 truncated nanocubes at 400 °C. Owing to volume loss and release internally generated CO N x y in process interdiffusion, with shells containing nanoparticles were finally obtained. When evaluated as electrode materials lithium‐ion batteries, as‐prepared displayed superior battery...