US 12362105 B1Patent grantUnited States

Molybdenum-Oxide Supercapacitor Electrodes

Official patent title

Nanohybrid supercapacitors for energy storage

Arabic title: مكثفات فائقة هجينة نانوية لتخزين الطاقة

Invention

Invention

Problem

Supercapacitors need electrode materials that combine rapid charge handling, conductivity, surface accessibility, durability, and useful energy density without costly or complex processing.

Why it matters

Improved short-duration storage could support power buffering, fast charging, electronics, and renewable-energy integration where frequent charge-discharge operation is valuable.

Approach

The method charges a capacitor whose anode or cathode contains a graphitic C3N4, MoO3, and MgAl2O4 nanocomposite. The disclosed composition forms metal-oxide nanoparticles on porous carbon-nitride sheets and is operated with alternating current in a specified megahertz frequency range.

Who may benefit

Potential beneficiaries include supercapacitor researchers, electrode-material producers, power-electronics developers, renewable-energy laboratories, and manufacturers evaluating nanohybrid storage components.

Potential value

The concept combines conductive carbon-nitride nanosheets, molybdenum oxide, and magnesium aluminate in a defined porous electrode material with measured frequency-dependent electrical behavior.

Background

Background

Supercapacitors can deliver high power and rapid cycling, but their energy density and practical performance depend on electrode conductivity, active surface, pore structure, electrolyte interaction, and stable interfaces. Hybrid electrodes combine carbonaceous and metal-oxide components to balance double-layer and redox behavior. The publication proposes graphitic carbon nitride, molybdenum oxide, and magnesium aluminate in a porous nanohybrid. Structural and frequency-dependent electrical figures are described, but the supplied record does not report device capacitance, energy density, power density, equivalent resistance, leakage, or cycle retention.

Technology overview

Technology overview

The electrode nanocomposite contains graphitic C3N4, MoO3, and MgAl2O4 in a stated mass relationship, with spherical metal-oxide nanoparticles dispersed on porous nanosheets and platelets. BET area, pore diameter, pore volume, phase spacings, XRD peaks, and nanoscale morphology are specified. A capacitor bearing the material on an anode or cathode is charged with alternating current around 1–12 MHz, and drawings describe conductivity, dielectric constant, and dielectric-loss dependence on frequency.

Potential applications

Potential applications

  1. Candidate supercapacitor electrodes for laboratory evaluation.
  2. High-frequency dielectric and conductivity research.
  3. Nanohybrid materials for short-duration energy-storage studies.
  4. Carbon-nitride and metal-oxide electrode development.

Evidence-supported advantages

Evidence-supported advantages

  1. The composite integrates carbon nitride with two metal-oxide phases.
  2. Porous morphology and nanoscale oxide dispersion are specified.
  3. Phase, surface, pore, and frequency-dependent electrical characterization are described.
  4. The material can be incorporated into an anode or a cathode layer.

Development stage

Development stage

Laboratory structural and frequency-dependent electrical characterization is described; complete capacitor metrics, cycling, full-cell testing, and independent performance validation are not established.

Commercial opportunity

Commercial opportunity

The nanohybrid may interest electrode and specialty-material developers, but a commercial supercapacitor case requires independently measured capacitance, energy and power density, resistance, self-discharge, voltage window, thermal behavior, cycle life, electrolyte compatibility, scale-up reproducibility, cost, and full-cell benchmarking. Device-level storage performance is not established here.

Patent classifications

Patent classifications

WIPO IPC

  • H01G11/36Capacitors; electrolytic capacitors, rectifiers, detectors, switching devices and light- or temperature-sensitive devices
  • H01G11/24Capacitors; electrolytic capacitors, rectifiers, detectors, switching devices and light- or temperature-sensitive devices

CPC

  • H01G11/04Capacitors; electrolytic capacitors, rectifiers, detectors, switching devices and light- or temperature-sensitive devices
  • H01G11/24Capacitors; electrolytic capacitors, rectifiers, detectors, switching devices and light- or temperature-sensitive devices
  • H01G11/36Capacitors; electrolytic capacitors, rectifiers, detectors, switching devices and light- or temperature-sensitive devices
  • H01G11/46Capacitors; electrolytic capacitors, rectifiers, detectors, switching devices and light- or temperature-sensitive devices
  • H01G11/50Capacitors; electrolytic capacitors, rectifiers, detectors, switching devices and light- or temperature-sensitive devices

Inventors

Inventors

  • First inventorMohamed Khairy Abdel Fattah Omran
  • InventorBabiker Yagoub Elhadi Abdulkhair

Keywords

Keywords

  • supercapacitor
  • energy storage
  • graphitic carbon nitride
  • molybdenum oxide
  • magnesium aluminate
  • nanohybrid
  • dielectric response
  • electrode

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.