Igneoelectric Conversion Material for Isothermal Energy Harvesting
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Solution Overview
Problem
Conventional thermoelectric conversion materials are expensive and difficult to process, limiting their widespread use for converting waste thermal energy into electricity, and existing solutions require a temperature differential.
Innovation Solution
A novel igneoelectric conversion material composed of a conductive microscale or nanoscale material with an aspect ratio greater than 1, forming barbed tendrils that allows for the conversion of spatially uniform thermal energy into electricity without a temperature differential, using a polymer matrix and a method involving electron charging during solidification to create percolation channels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional thermoelectric conversion materials are used, then thermal energy can be converted into electricity, but the materials are expensive and difficult to process
Solution Approach 1:
The patent employs a composite material system consisting of a polymer matrix combined with conductive fillers (carbon nanotubes, graphene, or metal particles). This composite approach enables thermal energy conversion while using inexpensive, easily processable materials that can be manufactured through conventional techniques, resolving the contradiction between energy conversion capability and manufacturing ease
Solution Approach 2:
The patent modifies the physical and chemical parameters of the polymer matrix and filler combinations to optimize electrical conductivity and thermal response. By adjusting filler concentration, particle size distribution, and matrix composition, the material achieves effective thermal-to-electrical energy conversion while maintaining ease of processing and low cost
2Loss of energy
If conventional thermoelectric materials are used, then thermal energy conversion is achieved, but a temperature differential is required
Solution Approach 1:
The patent replaces the thermoelectric effect (which requires temperature gradients) with an igneoelectric mechanism based on thermal agitation of charge carriers in disordered conductive networks. This substitution allows energy conversion from isothermal thermal reservoirs, dramatically expanding application versatility to include waste heat recovery, solar thermal conversion, and body heat harvesting without requiring temperature differentials
3Loss of energy
If ceramic composites or intermetallic compounds are used, then thermoelectric conversion performance is achieved, but manufacturing costs increase
Solution Approach 1:
The patent employs inexpensive polymer-based composite materials that can be manufactured through simple, scalable processes. The use of low-cost fillers such as carbon nanotubes, graphene, or common metal particles combined with affordable polymer matrices eliminates the need for expensive ceramic or intermetallic materials, dramatically reducing manufacturing costs while maintaining functional performance
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
Enables the generation of electricity from a single thermal reservoir with high conversion performance and cost-effectiveness, using conventional materials and processing methods, suitable for various applications including heat recycling and energy harvesting.
Implementation Method 1
the novel materials in accordance with the present invention are designated as igneoelectric conversion materials, as they are able to convert spatially uniform thermal energy into voltage (electrical energy)
Implementation Method 2
solidifying the mixture while charging one side or pole of the mixture with electrons
Data Source
Figure 1~2
Figure 3
AI summary
The present invention provides a conversion material including a first phase providing a matrix and a second phase comprising a nanoscale or microscale material providing electron mobility. The conversion material converts heat from a single macroscopic reservoir into voltage.