A5046518286- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Fuel Cells and Related Materials
- Advanced Cellulose Research Studies
- Advanced Photocatalysis Techniques
- Concrete Corrosion and Durability
- Crystallization and Solubility Studies
- Concrete and Cement Materials Research
- Supercapacitor Materials and Fabrication
- X-ray Diffraction in Crystallography
- Smart Materials for Construction
- Electrospun Nanofibers in Biomedical Applications
- Covalent Organic Framework Applications
- Metal-Organic Frameworks: Synthesis and Applications
- Thermochemical Biomass Conversion Processes
- MXene and MAX Phase Materials
- Conducting polymers and applications
- Advancements in Battery Materials
- Energy and Environment Impacts
- Coal and Its By-products
- Biodiesel Production and Applications
- Magnesium Oxide Properties and Applications
- Advanced oxidation water treatment
- Coal Combustion and Slurry Processing
- Copper-based nanomaterials and applications
Guangxi University
2022
Zhejiang Sci-Tech University
2017-2020
China Jiliang University
2020
Nanjing Forestry University
2015-2020
Hangzhou Xixi hospital
2020
Hohai University
2017-2018
A series of morphology-regulated oxygen-evolution electrocatalysts including nanosheets, nanoflowers, nanotubes and aggregations derived from Hofmann-type metal–organic frameworks have been developed demonstrated efficient catalytic properties.
Abstract The construction of efficient, durable, and non‐noble metal electrocatalysts for oxygen evolution reaction (OER) is great value but challenging. Herein, a facile method developed to synthesize series trimetallic (W/Co/Fe) metal–organic frameworks (MOFs)‐derived carbon nanoflakes (CNF) with various Fe content, an Fe‐dependent volcano‐type plot can be drawn out WCoFe x ‐CNF. optimized 0.3 ‐CNF (when the feed ratio Fe/Co 0.3) demonstrates superior electrocatalytic performance low...
Abstract Searching desirable cost‐effective electrocatalysts for overall water splitting is of great importance the hydrogen production industry. Here a facile synthesis trimetallic carbon nanoflower reported which are derived from Co 2+ /Fe /Ni ratio adjustable metal–organic frameworks (MOFs). The unique nanosheet‐assembled multiscale morphology can enlarge catalyst/electrolyte contact area, and synergistic electronic effects between components endow with more oxygen vacancies higher degree...
Abstract Metal–organic frameworks (MOFs) and MOF‐derived nanomaterials have recently attracted great interest as highly efficient, non‐noble‐metal catalysts. In particular, two‐dimensional MOF nanosheet materials possess the advantages of both 2D layered MOFs are considered to be promising nanomaterials. Herein, we report a facile scalable in situ hydrothermal synthesis Co–hypoxanthine (HPA) nanosheets, which were then directly carbonized prepare uniform Co@N‐Carbon nanosheets for efficient...
With the rapid development of portable and wearable electronic devices, self-supporting flexible supercapacitors have attracted much attention, higher requirements been put forward for electrode device, that is, it is necessary to good mechanical properties while satisfying excellent electrochemical performance. In this work, a facile method was invented obtain self-supported materials with high outstanding performance by combining cellulose nanofibrils (CNFs) reduced graphene oxide (RGO)....
In this work, poplar veneer (PV) rotary-cut from fast-growing polar was delignified to prepare flexible transparent (TPV). Lignin gradually removed the PV and then epoxy resin filled into PV. The study mainly concerns effect of lignin content on microstructure, light transmittance, haze, tensile strength, thermal stability PVs impregnated with resin. results indicate that could be completely when delignification time around 8 h, which proved by FTIR spectra chemical component detection....
Non-noble metal-based metal-organic framework (MOF)-derived electrocatalysts have recently attracted great interest in the oxygen evolution reaction (OER). Here we report a facile synthesis of nickel-based bimetallic derived from 2D nanosheet-assembled nanoflower-like MOFs. The optimized morphologies and large Brunauer-Emmett-Teller (BET) surface area endow FeNi@CNF with efficient OER performance, where aligned nanosheets can expose abundant active sites benefit electron transfer. complex...
Hydrogen production is one of the most effective methods for combating global energy crisis. However, improving electrochemical performance oxygen-evolution catalysts a significant challenge. In this paper, exceptionally active electrocatalysts reactions (OERs) were successfully developed and characterized by using SEM, TEM, XRD, BET, X-ray photoelectron spectroscopy. The nitrogen-doped hollow-carbon-encapsulated bimetallic nanoparticles (MM'-NHCNPs) prepared folic acid coordination...
A facile synthesis of MOF-derived trimetallic carbon nanoflower electrocatalysts for overall water splitting is reported. The unique nanosheet-assembled multi-scale morphology and the synergistic effects between components endow with excellent activity. More details can be found in article number 1900290 by Yuwen Li, Hui Xu, Junkuo Gao, Juming Yao co-workers.
Abstract In this research, flexible transparent supercapacitor electrode materials were fabricated using cellulose nanofibrils (CNFs) and reduced graphene oxide (RGO) via a layer‐by‐layer (LbL) self‐assembly method. First, film was obtained by vacuum filtration of CNF suspension, which isolated from bamboo combination 2,2,6,6‐tetramethylpiperidin‐1‐oxyl radical catalytic oxidation ultrasonic treatment. Subsequently, (GO) deposited on the surface Cu 2+ as cross‐linking agent LbL technique...
A facile method is reported to form a honeycomb‐like porous nanomaterial by intercalation of iron nitrate using nature silk sericin (SS) as nitrogen and carbon source. series Fe 2 O 3 nanoparticles anchored on ‐N‐doped graphite electrocatalysts (SS‐Fe) were synthesized, exhibits well‐defined pore structure excellent oxygen evolution reaction (OER) catalytic activities. Among these materials, SS‐Fe‐0.5 shows the best performance, overpotential at 10 mA · cm –2 440 mV (vs. RHE) Tafel slope...
Abstract High‐efficiency oxygen evolution reaction (OER) electrocatalysts based on transition metal materials are one of the most promising alternatives, but their activity and durability still far from desirable. Here, we report trimetallic N‐doped carbon nanotubes with rapid electron transport diffusion electrolyte that can significantly enhance OER. The introduction a third adjust electronic structure, thereby causing favorable intermediate adsorption catalysts. optimized catalyst...
The preparation of noble metal-free catalysts for water splitting is the key to low-cost, sustainable hydrogen generation. Herein, through a pyrolysis-oxidation process, we prepared series Co-Fe-Ni trimetallic oxidized carbon nanocubes (Co1-X FeX Ni-OCNC) with continuously changeable Co/Fe ratio (X=0, 0.1, 0.2, 0.5, 0.8, 0.9, 1). Co1-X Ni-OCNC shows volcano-type oxygen evolution reaction (OER) activity. optimized Co0.1 Fe0.9 achieves low overpotential 268 mV at 10 mA cm-2 very Tafel slope 48...
Two-dimensional metal–organic framework (MOF) nanosheet materials possess the advantages of both 2D layered nanomaterials and MOFs, are considered to be promising nanomaterials. Here, a facile scalable in situ hydrothermal synthesis Co–hypoxanthine MOF nanosheets is reported. The were directly carbonized generate uniform Co-embedded nitrogen-doped carbon (Co@N-carbon) for efficient bifunctional electrocatalytic oxygen- hydrogen-evolution reactions. More information can found Full Paper by...