Single Friction Surface Triboelectric Microgenerator Design
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Solution Overview
Problem
Existing triboelectric microgenerators based on electrostatic induction, such as arch-shaped designs, are complex and costly to manufacture, limiting their widespread application for capturing mechanical energy from user interactions in devices like touch-controlled electronics.
Innovation Solution
A single friction surface triboelectric microgenerator with a first and second induction electrode, an insulating substrate, and a surface-friction-structured layer, allowing for efficient charge transfer and electrical energy generation through a simplified and cost-effective manufacturing process, enabling transparency and wide application in consumer electronics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If an arch-shaped structure is used to achieve high instantaneous output electrical voltage, then the output voltage is improved, but the manufacturing process becomes complicated and costly
Solution Approach 1:
The patent divides the generator into distinct functional layers: a friction layer with micro/nano structures for charge generation, an insulating layer to isolate charges, and induction electrodes for charge collection. This segmentation allows each layer to be optimized independently, simplifying manufacturing while maintaining high output voltage through the coordinated function of separated components.
Solution Approach 2:
The patent uses micro/nano processing techniques to create replicated micro/nano structures on the friction layer surface. These copied structures at micro and nano scales provide large surface area for triboelectric charge generation without increasing the overall device footprint or manufacturing complexity, enabling high voltage output through scalable patterning processes.
2Power
If a multilayer laminated film is used to create an arch-shaped structure, then the instantaneous output voltage is improved, but the manufacturing cost increases
Solution Approach 1:
The patent combines multiple functions into integrated layers: the friction layer serves both as the triboelectric charge generation surface and as a structural support, while the insulating layer simultaneously provides electrical isolation and mechanical stability. This merging reduces the number of separate components and assembly steps, lowering manufacturing cost while maintaining high voltage output capability.
Solution Approach 2:
The patent optimizes parameters such as the thickness of each layer, the micro/nano structure dimensions and density, and the material properties to achieve high output voltage with a simplified single-layer friction surface design. By carefully controlling these parameters, the device achieves arch-shaped performance characteristics without requiring actual arch-shaped multilayer construction, reducing manufacturing complexity and cost.
3Adaptability or versatility
If the generator is made transparent with thin thickness, then the applicability in consumption electronics is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The patent employs thin-film deposition techniques to create uniformly thin layers of friction material, insulating material, and conductive electrodes on transparent substrates. This thin-film approach enables the generator to achieve transparency and thinness suitable for consumption electronics while maintaining controlled thickness through standardized deposition processes, reducing the impact of precision requirements on overall manufacturing.
Solution Approach 2:
The patent uses composite material structures where each layer is optimized for its specific function: transparent conductive oxides for electrodes, transparent polymers for insulating and friction layers. These composite materials provide the necessary electrical, mechanical, and optical properties in thin configurations, achieving transparency and thinness without compromising performance or excessively increasing precision requirements through synergistic material properties.
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 single friction surface microgenerator effectively converts mechanical energy into electrical energy with high efficiency and low production costs, suitable for devices like touch-controlled phones and tablets, offering a self-powering solution with broad applicability.
Implementation Method 1
A single friction surface triboelectric microgenerator and method of manufacturing the same, and particularly, to a single friction surface triboelectric microgenerator that is operated based on the electrostatic induction effect
Implementation Method 2
charge transfer occurs. Specifically, when the friction surface is separated from the finger or other object, there is a voltage difference between an induction electrode corresponding to the friction surface
Data Source
AI summary
A single friction surface microgenerator and a method of manufacturing the same are described. The microgenerator comprises an insulating substrate with a surface-friction-structured layer on its upper surface and a first induction electrode and a second induction electrode on its lower surface. The first induction electrode is located to correspond to the surface-friction-structured layer that is used as a friction surface while the second induction electrode is located periphery of the first induction electrode and insulatedly spaced from the first induction electrode. The single friction surface microgenerator according to the present disclosure has a wide usage and the method of manufacturing the same may be performed through a simply and high-effective production process, processed at low cost, and may achieve high yield.