Nanoparticle Dispersion Matrix for Uniform Heating

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Solution Overview

Problem

Existing electrically conductive paints for heating are limited by resistance and current, leading to inefficient temperature increases.

Innovation Solution

A composite nanostructured material (CNSM) comprising a liquid solvent with a pH above 8, electrically conductive nanoparticles, and a binder forms a matrix that separates nanoparticles, enabling efficient heating through quantum effects when an electric field is applied.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of energy

If conventional electrically conductive paints with micrometer-sized particles are used for heating, then the heating can be achieved through resistance heating, but the heating efficiency is low and hot spots occur due to non-uniform current distribution

Engineering Contradiction:
Improveheating efficiencyVSAvoidtemperature increase rate
Core Design Contradiction:
Loss of energyVSProductivity

Solution Approach 1:

The patent segments the conductive material into individual electrically conductive nanoparticles (1-100 nm) dispersed in a binder matrix, replacing conventional micrometer-sized particles. This segmentation creates uniform current distribution throughout the coating, eliminating hot spots and improving heating efficiency through quantum tunneling effects between adjacent nanoparticles.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent changes the particle size parameter from micrometers to nanometers (1-100 nm), which fundamentally alters the heating mechanism from classical resistance heating to quantum-dominated heating. This parameter change enables quantum tunneling and other quantum effects that significantly improve heating efficiency and uniformity.

Inventive Principle:
Principle #35Parameter changes

2Productivity

If electrically conductive nanoparticles are used to improve heating efficiency, then quantum effects can be utilized, but the nanoparticles tend to aggregate which reduces uniformity

Engineering Contradiction:
Improveheating efficiencyVSAvoiduniform spatial distribution
Core Design Contradiction:
ProductivityVSStability of the object's composition

Solution Approach 1:

The patent introduces a binder as an intermediary material that matrices the electrically conductive nanoparticles. This binder prevents nanoparticle aggregation while maintaining close spacing (1-10 nm) between particles, enabling both quantum effects for efficient heating and uniform spatial distribution throughout the coating.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent creates a composite nanostructured material consisting of electrically conductive nanoparticles embedded in a binder matrix. This composite structure combines the high conductivity and quantum effects of nanoparticles with the structural stability and dispersion properties of the binder, achieving both heating efficiency and uniformity.

Inventive Principle:
Principle #40Composite materials

3Loss of energy

If nanoparticle dispersions are used for quantum heating, then high heating efficiency is achieved, but the material complexity increases compared to conventional paints

Engineering Contradiction:
Improveheating efficiencyVSAvoidmaterial structure
Core Design Contradiction:
Loss of energyVSDevice complexity

Solution Approach 1:

The patent utilizes the porous or matrix structure of the binder to hold and separate nanoparticles. This matrix structure provides a simple yet effective way to maintain nanoparticle dispersion and enable quantum effects, achieving high heating efficiency without requiring complex external structures or mechanisms.

Inventive Principle:
Principle #31Porous materials

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 CNSM achieves high heating efficiency with uniform temperature distribution and reduced risk of hot spots, outperforming conventional resistance heating methods.

Implementation Method 1

When an electrically conductive paint is applied to a surface of a body and electric current is passed through the paint, the paint heats by Joule heating, which is also known as resistive heating or resistance heating.

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Implementation Method 2

the separation enables that, when subjected to an electric field, heating arises due to quantum effects associated to the interaction of the electric field with the electrically conductive nanoparticles

Methodology Applied
Scientific EffectQuantum effects:

Data Source

PatentEP4495190A1Nanoparticle dispersions and composite NANO structured materials
Publication Date: 2025.01.22 SIMA MARC
  • EP4495190A1 patent drawingFigure 1
  • EP4495190A1 patent drawingFigure 2~4
  • EP4495190A1 patent drawingFigure 3~5

AI summary

The present disclosure relates to an electrically conductive nanoparticle dispersion and an electrically conductive composite nano structured material, CNSM. A CNSM comprises a liquid solvent having a pH above 8, a plurality of electrically conductive nanoparticles, and a binder, wherein the binder forms a matrix in which the electrically conductive nanoparticles are arranged and separated among them. Methods for heating using such a CNSM or dispersion are also provided.