Flexible Friction Electric Generator with Conductive Electrodes

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Solution Overview

Problem

Friction electric generators with metallic electrodes have poor ductility, making them unsuitable for flexible equipment applications.

Innovation Solution

The use of flexible conductive substances for electrodes and flexible insulating substances for substrates, along with a polymer insulating layer, allows for improved ductility and electricity generation by friction, enabling the generator to be suitable for flexible equipment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If metallic electrodes are used in friction electric generator, then electrical energy can be generated by friction, but ductility of the generator is poor

Engineering Contradiction:

Improveelectrical energy generationVSAvoidductility

Core Design Contradiction:

PowerVSAdaptability or versatility

Solution Approach 1:

The patent changes the material parameters of the electrodes from metallic substances to flexible conductive substances. This parameter change maintains the electrical conductivity needed for energy generation while improving the ductility and flexibility of the generator, enabling it to be suited for flexible equipment applications.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent employs composite material structures where flexible conductive substances are combined with polymer insulating layers and flexible substrate materials. This composite approach achieves both electrical functionality and mechanical flexibility, resolving the contradiction between power generation capability and ductility.

Inventive Principle:

Principle #40Composite materials

2Power

If metallic electrodes are used in friction electric generator, then friction electricity can be produced, but the generator cannot be suited for flexible equipment

Engineering Contradiction:

Improvefriction electricity productionVSAvoidsuitability for flexible equipment

Core Design Contradiction:

PowerVSEase of operation

Solution Approach 1:

The patent changes the material parameters from rigid metallic electrodes to flexible conductive substances, which maintains the friction electricity production capability while enabling the generator to be integrated into flexible equipment with varying shapes and bending requirements.

Inventive Principle:

Principle #35Parameter changes

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 improved ductility and electricity generation capability make the friction electric generator suitable for flexible equipment, with enhanced flexibility and efficiency in producing electric energy through friction.

Implementation Method 1

the polymer insulating layer and the second electrode is capable of generating electricity by friction

Methodology Applied

Scientific EffectTriboelectric effect: Triboelectric Effect

Data Source

PatentUS10211758B2Friction electric generator and manufacturing method thereof

Publication Date: 2019.02.19 BOE TECHNOLOGY GROUP CO LTD

AI summary

A friction electric generator and a manufacturing method thereof are provided. The friction electric generator includes a first substrate and a second substrate disposed oppositely, a first electrode and a polymer insulating layer sequentially formed on a side of the first substrate facing the second substrate; a second electrode formed on a side of the second substrate facing the first substrate; wherein, the first electrode and the second electrode are each made of a flexible conductive substance, the first substrate and the second substrate are each made of a flexible insulating substance, and the polymer insulating layer and the second electrode is capable of generating electricity by friction.