Multiphase Nanocomposite Composition With Uniform Particle Control

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Solution Overview

Problem

Existing nanocomposites face issues with inconsistent particle size distribution, poor morphological control, limited compositional uniformity, and high production costs, hindering their scalability and application in catalysis, environmental remediation, and energy-related technologies.

Innovation Solution

A multiphase nanocomposite material comprising NiO/MgO/CaCO3/Ca(OH)2/C and CaO/NiO/Mg0.5Ni0.5O/Ca(OH)2/C is synthesized using the Pechini sol-gel method, with controlled structural, morphological, and compositional properties, achieved by adding tartaric acid and polyethylene glycol to a reaction mixture of metal nitrates, followed by calcination at specific temperatures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If conventional synthesis methods are used to produce nanocomposites, then production cost is reduced, but particle size distribution consistency and compositional uniformity deteriorate

Engineering Contradiction:
Improveparticle size distribution consistencyVSAvoidproduction cost
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The patent employs the Pechini sol-gel method which involves changing chemical parameters (adding tartaric acid and polyethylene glycol to metal nitrate solutions) and thermal parameters (calcination at specific temperatures) to achieve uniform particle size distribution and compositional homogeneity. This systematic parameter control transforms the synthesis process to produce consistent nanocomposite particles while maintaining cost-effectiveness through a straightforward procedural framework.

Inventive Principle:
Principle #35Parameter changes

2Manufacturing precision

If conventional synthesis methods are used to produce nanocomposites, then production cost is reduced, but compositional uniformity deteriorates

Engineering Contradiction:
Improvecompositional uniformityVSAvoidproduction cost
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The patent employs the Pechini sol-gel method which involves changing chemical parameters (adding tartaric acid and polyethylene glycol to metal nitrate solutions) and thermal parameters (calcination at specific temperatures) to achieve uniform particle size distribution and compositional homogeneity. This systematic parameter control transforms the synthesis process to produce consistent nanocomposite particles while maintaining cost-effectiveness through a straightforward procedural framework.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent achieves compositional uniformity by using the sol-gel process that creates a homogeneous gel structure during synthesis. The method ensures uniform distribution of metal ions (Ni, Mg, Ca) throughout the matrix by forming a homogeneous precursor solution that transforms into a uniform nanocomposite structure after calcination, directly addressing the compositional uniformity challenge.

Inventive Principle:
Principle #33Homogeneity

3Adaptability or versatility

If single-phase nanomaterials are used, then synthesis complexity is reduced, but multifunctionality deteriorates

Engineering Contradiction:
ImprovemultifunctionalityVSAvoidsynthesis complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent synthesizes a multiphase nanocomposite containing NiO, MgO, and CaCO3 phases within a single material structure. This composite approach integrates multiple functional phases that provide different properties (catalytic activity from NiO, structural stability from MgO, and adsorption capacity from CaCO3) while achieving multifunctionality in a single synthesis process through the Pechini sol-gel method.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The patent creates a nanocomposite material that performs multiple functions simultaneously: catalysis (NiO phase), structural support (MgO phase), and adsorption (CaCO3 phase). The universal design allows the single nanocomposite material to serve various applications including catalytic reactions, pollutant removal, and electrochemical processes, achieving multifunctionality without requiring separate materials for each function.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Stability of the object's composition

If existing multi-phase nanocomposite methods are used, then phase composition is improved, but phase stability deteriorates

Engineering Contradiction:
Improvephase stabilityVSAvoidphase composition control
Core Design Contradiction:
Stability of the object's compositionVSManufacturing precision

Solution Approach 1:

The patent achieves phase stability by optimizing calcination temperature parameters. The controlled thermal treatment at specific temperatures stabilizes the NiO, MgO, and CaCO3 phases while preventing unwanted phase transformations or decompositions. This parameter optimization ensures that the desired phase composition is maintained and stabilized in the final nanocomposite product.

Inventive Principle:
Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The method produces nanocomposites with uniform particle sizes and compositions, enhancing their performance in industrial and environmental applications by improving thermal stability, mechanical strength, and tunable electronic characteristics.

Implementation Method 1

synthesis of a multiphase nanocomposite material using Pechini sol-gel method

Methodology Applied
Scientific EffectSol-gel process: Sol

Implementation Method 2

adding tartaric acid and polyethylene glycol to a reaction mixture of metal nitrates, followed by calcination

Methodology Applied
Scientific EffectChemical bonding: Chemical Bonding

Implementation Method 3

calcination at specific temperatures

Methodology Applied
Scientific EffectThermal decomposition: Pyrolysis

Implementation Method 4

calcining the solid at a temperature in a range from 550° C. to 850° C. for 1 hours to 5 hours to form the nanocomposite material

Methodology Applied
Scientific EffectPhase transformation: Phase Change

Data Source

PatentUS12453962B1Multiphase structured nanocomposite
Publication Date: 2025.10.28 IMAM MOHAMMAD IBN SAUD ISLAMIC UNIV
  • US12453962B1 patent drawing
  • US12453962B1 patent drawing
  • US12453962B1 patent drawing

AI summary

A NiO/MgO/CaCO3/Ca(OH)2/C nanocomposite material includes a monoclinic nickel oxide (NiO) phase, a cubic magnesium oxide (MgO) phase, a hexagonal calcium carbonate (CaCO3) phase, and a hexagonal calcium hydroxide (Ca(OH)2) phase. The NiO/MgO/CaCO3/Ca(OH)2/C nanocomposite material has a granular morphology including spherical particles having an average particle diameter in a range from 10 nanometer (nm) to 50 nm. Further, a CaO/NiO/Mg0.5Ni0.5O/Ca(OH)2/C nanocomposite material includes cubic CaO phases, cubic NiO phases, cubic Mg0.5Ni0.5O phases, and hexagonal Ca(OH)2 phases. The CaO/NiO/Mg0.5Ni0.5O/Ca(OH)2/C nanocomposite material has a granular morphology including particles having an average particle diameter in a range from 10 nm to 90 nm.