Microwave-Synthesized Porous Vanadate Nanomaterial
Official patent title
Porous calcium meta vanadate/calcium silicate/graphitic carbon nitride (CaV2O6/CaSiO3/g-C3N4) nanocomposite
Arabic title: مركب نانوي مسامي من ميتافانادات الكالسيوم/سيليكات الكالسيوم/نتريد الكربون الغرافيتي (CaV2O6/CaSiO3/g-C3N4)
Invention
Invention
Problem
Graphitic carbon nitride can have limited surface area and charge transport, while integrating it with inorganic phases requires control of dispersion, porosity, and morphology.
Why it matters
A defined porous vanadate-silicate-carbon-nitride structure could support materials screening, but energy-storage or photocatalytic value requires application data absent from the supplied evidence.
Approach
The method separately prepares calcium silicate, graphitic carbon nitride, and a biomass-assisted vanadium product, then mixes them in ethylene glycol monomethyl ether and microwaves the mixture to form CaV2O6/CaSiO3/g-C3N4.
Who may benefit
Potential beneficiaries include porous-material researchers, photocatalysis laboratories, electrochemical-material developers, vanadate chemists, and specialty nanocomposite producers.
Potential value
The disclosure defines a three-component mass ratio, nanowire-on-nanosheet morphology, surface and pore ranges, biomass-assisted vanadium preparation, and microwave assembly.
Background
Background
Graphitic carbon nitride is studied for photocatalysis and electrochemical systems because its layered structure and electronic properties can be modified. Its practical behavior depends on accessible area, pore architecture, charge transport, phase contact, and stability. Combining it with calcium silicate and a vanadium phase may create a porous heterostructure, but vanadium release and solvent-intensive synthesis also require assessment. The publication reports structural and sorption characterization and a preparation route, yet no capacitance, cycling, energy density, photocatalytic conversion, pollutant degradation, quantum efficiency, reuse, or other functional result.
Technology overview
Technology overview
CaV2O6, CaSiO3, and g-C3N4 are present at a mass ratio of 0.8-1.2:0.8-1.2:0.8-1.2. Calcium-containing nanowires average 80–100 nm and are distributed between g-C3N4 nanosheets with 0.1–0.25 nm interplanar spacing. BET area is 50–65 m2g−1, pore diameter is 2–20 nm, pore volume is 0.1–0.3 cm3g−1, and pore-distribution maxima include 4.3, 8.5, and 14.27 nm. Urea is heated at 550–650 °C for 30–60 min, and final microwaving is 160–200 °C at 4–6 bar for 30–90 min.
Potential applications
Potential applications
- Porous vanadate nanocomposite structure-property research.
- Candidate photocatalyst screening after functional validation.
- Exploratory supercapacitor-electrode material evaluation.
- Microwave-assisted heterostructure synthesis studies.
Evidence-supported advantages
Evidence-supported advantages
- A defined three-component mass ratio is provided.
- Nanowire distribution between carbon-nitride nanosheets is specified.
- Surface-area and pore-property ranges are reported.
- A biomass-assisted, microwave-finished synthesis route is described.
Development stage
Development stage
Laboratory synthesis and XRD, TEM, diffraction, surface, and pore characterization are described; photocatalytic or electrochemical performance, durability, leaching, scale-up, and commercialization were not established.
Commercial opportunity
Commercial opportunity
The material may interest photocatalysis or energy-storage research programs, but no application performance is demonstrated. Independent work must quantify the intended function, durability, reuse or cycling, vanadium leaching and toxicology, solvent and acid recovery, batch consistency, manufacturing yield, energy demand, scale-up, and cost before a commercial proposition can be evaluated.
Patent classifications
Patent classifications
WIPO IPC
- B01J35/39Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J23/02Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
CPC
- B01J35/39Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J23/02Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J23/22Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J27/24Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/45Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/613Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/633Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J35/647Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J37/03Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J37/04Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J37/088Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J37/346Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
Inventors
Inventors
- First inventorMohamed Khairy Abdel Fattah Omran
- InventorBabiker Yagoub Elhadi Abdulkhair
Keywords
Keywords
- calcium metavanadate
- calcium silicate
- graphitic carbon nitride
- porous nanocomposite
- nanowires
- nanosheets
- microwave synthesis
- biomass-assisted synthesis
Patent document and drawings
Patent document and drawings
The patent publication is mapped to this record. Patent drawings remain within that publication; no separately cleared public media package has been supplied.