Amine-Functionalized Ceramic Paste for Piezoelectric Power Generation

Solution Overview

Problem

Existing energy harvesting devices face limitations in power generation capacity due to low dispersibility of polycrystalline ceramics when mixed with polymers, resulting in non-uniform material production and reduced power generation efficiency.

Innovation Solution

A paste composition is developed with ceramic particles surface-functionalized with an amine group and a maleic anhydride-grafted elastomer, enhancing dispersibility and compatibility, thereby increasing the ceramic particle content and improving power generation capacity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If polycrystalline ceramics and polymer are simply mixed to produce composite material, then manufacturing process is simple, but ceramic particles have low dispersibility and non-uniform material production

Engineering Contradiction:

Improvemanufacturing process simplicityVSAvoidmaterial uniformity

Core Design Contradiction:

Ease of manufactureVSManufacturing precision

Solution Approach 1:

The patent applies preliminary action by surface-functionalizing ceramic particles with amine groups before mixing with the polymer. This pre-treatment modifies the ceramic surface to enhance compatibility with the polymer matrix, ensuring uniform dispersion and eliminating the need for complex mixing processes while achieving homogeneous material production.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent uses an amine group as an intermediary substance that mediates the interaction between ceramic particles and polymer matrix. The amine-functionalized ceramic surface acts as a bridge, improving interfacial compatibility and enabling uniform dispersion without requiring complex manufacturing processes.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Device complexity

If polycrystalline ceramics and polymer are simply mixed, then manufacturing complexity is low, but power generation capacity is limited due to low ceramic content and poor dispersibility

Engineering Contradiction:

Improvemanufacturing complexityVSAvoidpower generation capacity

Core Design Contradiction:

Device complexityVSPower

Solution Approach 1:

The patent applies preliminary action by surface-functionalizing ceramic particles with amine groups before mixing with the polymer. This pre-treatment modifies the ceramic surface to enhance compatibility with the polymer matrix, ensuring uniform dispersion and eliminating the need for complex mixing processes while achieving homogeneous material production.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent changes the surface chemical parameters of ceramic particles by introducing amine functional groups. This modification alters the surface properties to improve interfacial compatibility with the polymer, enabling higher ceramic content and better dispersibility without increasing manufacturing complexity.

Inventive Principle:

Principle #35Parameter changes

3Power

If ceramic particles are increased in content to improve power generation, then power generation capacity increases, but dispersibility decreases leading to non-uniform production

Engineering Contradiction:

Improvepower generation capacityVSAvoidmaterial uniformity

Core Design Contradiction:

PowerVSManufacturing precision

Solution Approach 1:

The patent changes the surface chemical parameters of ceramic particles by introducing amine functional groups. This modification alters the surface properties to improve interfacial compatibility with the polymer, enabling higher ceramic content and better dispersibility without increasing manufacturing complexity.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent uses an amine group as an intermediary substance that mediates the interaction between ceramic particles and polymer matrix. The amine-functionalized ceramic surface acts as a bridge, improving interfacial compatibility and enabling uniform dispersion without requiring complex manufacturing processes.

Inventive Principle:

Principle #24Intermediary (Mediator)

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 approach results in a significant improvement in power generation capacity, with the ceramic particles being uniformly dispersed, leading to enhanced energy harvesting performance.

Implementation Method 1

ceramic particles surface-functionalized with an amine group

Methodology Applied

Scientific EffectSurface functionalization: Chemical Bonding

Implementation Method 2

maleic anhydride-grafted elastomer

Methodology Applied

Scientific EffectGrafting: Chemical Bonding

Implementation Method 3

piezoelectric power generation, which uses piezoelectric effects, is a technology capable of converting mechanical energy such as external pressure and vibration into electric energy

Methodology Applied

Scientific EffectPiezoelectric effect: Piezoelectric Effect

Data Source

PatentUS11316094B2Paste composition and preparation method therefor

Publication Date: 2022.04.26 KOREA RES INST OF CHEM TECH

AI summary

The present invention relates to: a paste composition including ceramic particles surface-functionalized with an amine group and a maleic anhydride-grafted elastomer; and a preparation method therefor and, to: a paste composition enabling ceramic particles to have a high content and be highly dispersed, thereby enabling the composition to have a high generation capacity when a device is manufactured; and a preparation method therefor.