Nanoparticle-Insulating Layer Thermoelectric Element for Stable Output

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Solution Overview

Problem

Power generation elements that do not require a temperature difference between electrodes face instability due to uneven nanoparticle distribution, leading to decreased electron movement and unstable power generation.

Innovation Solution

A method involving the formation of a power generation element with a first electrode, an intermediate portion having a solid insulating layer with nanoparticles, and a second electrode with a different work function, where the second electrode is formed on the insulating layer under reduced pressure, and a sealing material is applied to stabilize the setup.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If nanoparticles are dispersed in a solvent between electrodes, then power generation can occur without temperature difference, but nanoparticle distribution becomes uneven over time causing unstable power generation

Engineering Contradiction:

Improvepower generation stabilityVSAvoidnanoparticle distribution uniformity

Core Design Contradiction:

ReliabilityVSStability of the object's composition

Solution Approach 1:

The patent changes the physical state of the medium from liquid (solvent) to solid (insulating layer). By solidifying the medium that holds nanoparticles, the nanoparticles are fixed in position and cannot migrate or aggregate over time, thus maintaining uniform distribution and stable power generation output

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent creates a composite structure by embedding nanoparticles within a solid insulating layer. This composite material combines the electrical properties of nanoparticles with the structural stability of the solid insulating matrix, preventing nanoparticle movement while enabling electron transport through the layer

Inventive Principle:

Principle #40Composite materials

2Stability of the object's composition

If a solid insulating layer with nanoparticles is used instead of solvent, then nanoparticle distribution is stabilized, but additional manufacturing processes are required

Engineering Contradiction:

Improvenanoparticle distribution uniformityVSAvoidmanufacturing process complexity

Core Design Contradiction:

Stability of the object's compositionVSEase of manufacture

Solution Approach 1:

The patent combines multiple functions into the solid insulating layer: it serves as the structural matrix to hold nanoparticles, provides electrical insulation between electrodes, and acts as the medium for electron transport. This merging eliminates the need for separate support structures and simplifies the overall device architecture

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The solid insulating layer acts as an intermediary material between the electrodes, providing a stable matrix for nanoparticle embedding while enabling controlled electron transport. This intermediary structure facilitates both mechanical stability and electrical function without requiring additional components

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

This method stabilizes power generation by suppressing nanoparticle movement and distribution, eliminating the need for support structures, enhancing durability, and improving power generation efficiency by maintaining a consistent gap and reducing external influences.

Implementation Method 1

an intermediate portion including an insulating layer being in a solid state

Methodology Applied

Scientific EffectPhysical state (solid):

Implementation Method 2

a second electrode having a work function different from a work function of the first electrode

Methodology Applied

Scientific EffectWork function difference:

Implementation Method 3

the second electrode forming process forms the second electrode on a surface of the insulating layer under a reduced pressure environment

Methodology Applied

Scientific EffectVacuum deposition: Physical Vapour Deposition

Data Source

PatentUS20240407265A1Method for manufacturing power generation element, power generation element, power generation device, and electronic apparatus

Publication Date: 2024.12.05 ILLUMINUS INC

AI summary

A method for manufacturing a power generation element that does not require a temperature difference between electrodes in converting thermal energy into electric energy includes a first electrode forming process of forming a first electrode, an intermediate portion forming process of forming, on the first electrode, an intermediate portion including an insulating layer being in a solid state, and a second electrode forming process of forming a second electrode having a work function different from a work function of the first electrode. The intermediate portion includes nanoparticles fixed in a dispersed state in the insulating layer.