Vanadium-Oxide Supercapacitor Electrodes
Official patent title
Nanocomposite-based supercapacitors for energy storage
Arabic title: مكثفات فائقة قائمة على مركبات نانوية لتخزين الطاقة
Invention
Invention
Problem
Electrochemical capacitors need electrode materials that combine accessible surface area, conductive pathways, and stable charge storage. Material improvements must ultimately translate into device-level capacitance, power, energy, and cycle life.
Why it matters
Improved supercapacitor electrodes could support rapid charge and discharge in backup power, transportation, electronics, and renewable-energy buffering.
Approach
The disclosed capacitor uses an anode and/or cathode layer containing graphitic C3N4, V2O5, and MgAl2O4 in a mass relationship of 5–15:2–7:75–95 and applies alternating-current charging at 1–12 MHz.
Who may benefit
Potential beneficiaries include supercapacitor manufacturers, electrode-material developers, energy-storage researchers, power-electronics companies, and advanced-ceramics suppliers.
Potential value
The design integrates a structurally characterized ternary nanocomposite with a claimed high-frequency AC charging method and a grain-boundary charge-storage model.
Background
Background
Supercapacitors bridge some of the gap between conventional capacitors and batteries by delivering rapid power and long cycling potential. Their performance depends strongly on electrode conductivity, accessible surface area, pore structure, electrolyte access, and interfacial charge storage. Carbon nitride and transition-metal oxides can contribute complementary properties, while magnesium aluminate provides a stable spinel-rich matrix. The disclosed approach combines these phases and proposes high-frequency alternating-current charging, but practical value must be judged through complete-cell measurements rather than material characterization alone.
Technology overview
Technology overview
The ternary electrode material contains g-C3N4, V2O5, and MgAl2O4 within a narrower claimed mass range of 9–11:4–6:84–86. Reported properties include a 25–75 m²/g surface area, 1–10 nm average pore diameter, and 0.01–0.5 cm³/g pore volume. XRD and electron microscopy describe oxide nanoparticles on curled carbon-nitride sheets. The patent attributes charge storage to conductor-rich grains separated by less-conductive boundaries and claims charging with 1–12 MHz alternating current.
Potential applications
Potential applications
- Supercapacitor electrode research.
- High-frequency charging studies.
- Hybrid energy-storage material development.
- Rapid-power buffer research for electronics and renewables.
Evidence-supported advantages
Evidence-supported advantages
- Combines carbon nitride, vanadium oxide, and a spinel matrix.
- Provides defined porosity and surface-area ranges.
- Includes XRD and electron-microscopy characterization.
- Can be placed in an anode, cathode, or both.
- Proposes a distinct high-frequency AC charging mode.
Development stage
Development stage
Laboratory material synthesis, structural characterization, and frequency-dependent conductivity are described; complete-device capacitance, energy density, power density, and cycle life were not established. The development stage was not independently verified.
Commercial opportunity
Commercial opportunity
The material may be evaluated by supercapacitor and power-electronics developers. A credible commercial case needs complete-cell capacitance, energy and power density, equivalent series resistance, leakage, self-discharge, cycle life, electrolyte compatibility, thermal safety, scalable electrode manufacture, and independent validation of the unusual megahertz-range charging approach.
Patent classifications
Patent classifications
WIPO IPC
- H01G11/32Capacitors; electrolytic capacitors, rectifiers, detectors, switching devices and light- or temperature-sensitive devices
- H02J7/34Electric power networks; circuit arrangements or systems for supplying or distributing electric power; electric-energy storage systems
CPC
- H01G11/32Capacitors; electrolytic capacitors, rectifiers, detectors, switching devices and light- or temperature-sensitive devices
- H02J7/345Electric power networks; circuit arrangements or systems for supplying or distributing electric power; electric-energy storage systems
- H02J2207/50Electric power networks; circuit arrangements or systems for supplying or distributing electric power; electric-energy storage systems
Inventors
Inventors
- First inventorMohamed Khairy Abdel Fattah Omran
- InventorBabiker Yagoub Elhadi Abdulkhair
Keywords
Keywords
- supercapacitor
- energy storage
- graphitic carbon nitride
- vanadium pentoxide
- magnesium aluminate
- nanocomposite electrode
- AC charging
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.