Room Temperature Electrotechnical Thin Layer Production

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Solution Overview

Problem

Existing methods for producing electrotechnical thin layers require high-temperature baking, use of vacuum chambers, and include toxic organic materials, leading to instability and limited reversibility in electrochemical storage processes.

Innovation Solution

A room temperature method involving electrically conductive and semiconductive inorganic agglomerates in a dispersion, accelerated by a reagent such as acid halides or redox-active compounds, to form stable and reversible thin layers with high inorganic content, minimizing volatile organic compounds and avoiding aromatic materials.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If high-temperature baking is used to produce electrotechnical thin layers, then the layers achieve desired stability and conductivity, but the production cost increases and energy consumption rises

Engineering Contradiction:

Improvelayer stabilityVSAvoidenergy consumption

Core Design Contradiction:

ReliabilityVSUse of energy by stationary object

Solution Approach 1:

The patent changes the curing temperature parameter from high temperature (200-400°C) to room temperature, fundamentally altering the production conditions. This is achieved by using a two-component system where mixing initiates room temperature curing, eliminating the need for high-temperature baking while maintaining layer stability and conductivity

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent employs a composite material system consisting of inorganic particles (conductive or semiconductive materials) dispersed in a two-component polymer matrix. This composite structure allows the layers to achieve desired electrical and mechanical properties through room temperature curing, replacing the need for high-temperature processing

Inventive Principle:

Principle #40Composite materials

2Reliability

If PVD or CVD methods are used for electrode layers, then the layers achieve high purity and conductivity, but vacuum chambers are required and apparatus costs increase

Engineering Contradiction:

Improvelayer conductivityVSAvoidapparatus complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces complex vacuum-based physical deposition systems (PVD/CVD) with a simple chemical solution processing method. The electrode layers are formed by applying liquid dispersions containing inorganic particles and two-component polymers, which then cure at room temperature, eliminating the need for vacuum chambers and complex deposition equipment

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the deposition method from physical vapor deposition requiring vacuum conditions to liquid-phase chemical deposition that occurs at atmospheric pressure. The inorganic particles are suspended in liquid carriers and applied directly, with layer formation occurring through room temperature curing of the polymer matrix

Inventive Principle:

Principle #35Parameter changes

3Ease of manufacture

If organic PV inks with volatile organic solvents are used, then the layers can be applied like paint and dried easily, but the level of VOCs increases and toxic materials are present

Engineering Contradiction:

Improveapplication easeVSAvoidVOC emission

Core Design Contradiction:

Ease of manufactureVSObject-generated harmful factors

Solution Approach 1:

The patent changes the solvent system from volatile organic solvents to water-based or solvent-free formulations. The two-component polymer system cures through chemical reaction at room temperature without requiring evaporation of volatile solvents, thereby eliminating VOC emissions while maintaining ease of application as a liquid dispersion

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent converts the potentially harmful volatile organic solvents into benign water-based carriers or eliminates solvents entirely by using a two-component system that cures through chemical reaction. The curing reaction itself, which would normally require energy input, occurs spontaneously at room temperature, turning a potential disadvantage into an advantage

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

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 enables the production of durable, stable, and highly reversible electrotechnical thin layers with low resistance and high inorganic content, suitable for industrial-scale fabrication, achieving long-lasting capacitative storage with minimal energy loss and safety.

Implementation Method 1

curing is accelerated by contacting with at least one reagent

Methodology Applied

Scientific EffectChemical reaction: Chemical Bonding

Implementation Method 2

electrically conductive and/or semiconductive inorganic agglomerates

Methodology Applied

Scientific EffectElectrical conduction: Conduction (electrical)

Data Source

PatentUS10892160B2Method for producing electrotechnical thin layers at room temperature, and electrotechnical thin layer

Publication Date: 2021.01.12 HOLYVOLT AB

AI summary

The present method for the first time proposes a method for producing an electrotechnical thin layer which makes it possible to carry out process control at room temperature by using an additional reagent, thereby providing stable, thin layers in a very short time. Capacitive accumulators that could replace a Li-ion battery in a tablet PC and more far-reaching applications are thus possible even for cases of gross, industrial process control.