US 12453962 B1Patent grantUnited States

Adaptable Multiphase Oxide Nanocomposites

Official patent title

Multiphase structured nanocomposite

Arabic title: مركب نانوي متعدد الأطوار ذو بنية منظمة

Invention

Problem

Multifunctional oxide composites need reproducible phase composition, particle morphology, and elemental balance. Single- or binary-phase materials may not provide the combined surface, catalytic, adsorption, and electrochemical properties sought for advanced applications.

Why it matters

Controlled nickel-, magnesium-, and calcium-containing powders could support application screening in catalysis, remediation, adsorption, or energy materials, provided safety and function are verified.

Approach

The disclosure defines nickel-, magnesium-, calcium-, oxygen-, and carbon-containing multiphase nanocomposites and a Pechini-style sol-gel process using metal nitrates, tartaric acid, polyethylene glycol, drying, and calcination.

Who may benefit

Potential beneficiaries include catalyst developers, environmental-material researchers, battery and supercapacitor laboratories, advanced-ceramics manufacturers, and specialty-powder suppliers.

Potential value

The patent defines two multiphase architectures, nanoscale particle and crystallite ranges, elemental and weight-composition windows, and one adaptable solution-to-calcination preparation route.

Background

Nickel oxide, magnesium oxide, calcium carbonate, calcium hydroxide, and mixed nickel-magnesium oxides have been studied for catalysis, pollutant removal, adsorption, and electrochemical functions. Combining them may create complementary basic, redox, and structural sites. Yet useful performance depends on phase stability, accessible surface, particle distribution, and the intended environment. A synthesis patent can establish how a powder is made and characterized, but commercialization requires a defined end use and comparative functional data. Nickel exposure and leaching also require evaluation.

Technology overview

One material contains monoclinic NiO, cubic MgO, hexagonal CaCO3 and Ca(OH)2, and carbon, with 10–50 nm spherical particles. A second contains cubic CaO, NiO, Mg0.5Ni0.5O, hexagonal Ca(OH)2, and carbon, with 10–90 nm particles. Atomic and weight ranges are specified. Metal nitrate solution is combined with tartaric acid and PEG 400, heated at 250 °C until solid, and calcined at 550–850 °C for 1–5 hours to select phase structure.

Potential applications

Catalyst and adsorbent material screening.
Environmental-remediation research.
Electrochemical energy-material evaluation.
Multiphase ceramic and powder development.

Evidence-supported advantages

Provides two related multiphase architectures.
Defines nanoscale particle ranges.
Uses a Pechini-style solution process.
Allows phase selection through calcination conditions.
Combines basic, redox-active, and carbon-containing phases.

Development stage

Laboratory synthesis and phase, elemental, morphology, and size characterization are described; batch reproducibility, nickel leaching, and application-specific adsorption, catalytic, mechanical, or electrochemical performance were not established. The development stage was not independently verified.

Commercial opportunity

The powder platform may support application-specific licensing after screening. Required work includes comparative catalytic, adsorption, or electrochemical tests; BET and pore analysis; batch and phase reproducibility; nickel leaching, worker exposure, and ecotoxicity; recovery and reuse; precursor and calcination economics; scaled mixing and thermal processing; and compliance with application-specific material regulations.

Patent classifications

WIPO IPC

B01J23/755Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
B01J20/04Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus

CPC

B01J20/041Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
B01J20/06Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
B01J20/28007Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
B01J20/28019Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
B01J20/3042Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
B01J20/3078Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
B01J21/18Chemical 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
B01J23/755Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
B01J23/78Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
B01J27/232Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
B01J35/394Chemical 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
B01J35/51Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
B01J35/77Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
B01J37/0009Chemical 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
B01J37/084Chemical 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
C02F1/288Treatment of water, wastewater, sewage or sludge
C02F1/281Treatment of water, wastewater, sewage or sludge
C02F2101/20Treatment of water, wastewater, sewage or sludge
H01M4/525Processes or means, e.g. batteries, for direct conversion of chemical energy into electrical energy
H01M4/9016Processes or means, e.g. batteries, for direct conversion of chemical energy into electrical energy

Inventors

First inventorEhab Abdelhamed Abdelrahman Ahmed

Keywords

multiphase nanocomposite
nickel oxide
magnesium oxide
calcium carbonate
calcium hydroxide
Pechini process
sol-gel
calcination

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.