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Fiber base multilayer structure friction nanometer power generator and preparation method thereof

A nanogenerator and multi-layer structure technology, applied in the direction of triboelectric generators, can solve the problems of difficulty in large-scale use, large damage to material structure, complex process, etc., and achieve shortened decay time, low cost, and simple preparation process. Effect

Inactive Publication Date: 2018-10-02
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the technical means used in these studies have great damage to the material structure, and the cost is high, the process is complicated, and it is difficult to meet the actual needs of large-scale use.

Method used

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  • Fiber base multilayer structure friction nanometer power generator and preparation method thereof
  • Fiber base multilayer structure friction nanometer power generator and preparation method thereof
  • Fiber base multilayer structure friction nanometer power generator and preparation method thereof

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Effect test

Embodiment 1

[0040]A fiber-based multilayer structure triboelectric nanogenerator, comprising a stacked upper base layer, an upper electrode layer, an electronegative friction layer, and a stacked electropositive friction layer, a lower electrode layer, and a lower base layer; Both the electropositive friction layer and the electronegative friction layer are electrospun nanofiber membranes; the working mode of the fiber-based multilayer friction nanogenerator is a vertical separation contact type.

[0041] The electronegative friction layer includes a power storage layer, a conductive layer and a friction contact layer from top to bottom, and the friction contact layer is used as an electronegative friction material to contact and separate from the electropositive friction layer to generate charges. The conductive layer is used to transmit the charge; the storage layer is used to store and utilize the charge; the upper electrode layer and the lower electrode layer are respectively attached ...

Embodiment 2

[0051] A fiber-based multilayer structure triboelectric nanogenerator, comprising a stacked upper base layer, an upper electrode layer, an electronegative friction layer, and a stacked electropositive friction layer, a lower electrode layer, and a lower base layer; Both the electropositive friction layer and the electronegative friction layer are electrospun nanofiber membranes; the working mode of the fiber-based multilayer friction nanogenerator is a vertical separation contact type.

[0052] The electronegative friction layer includes a power storage layer, a conductive layer and a friction contact layer from top to bottom, and the friction contact layer is used as an electronegative friction material to contact and separate from the electropositive friction layer to generate charges. The conductive layer is used to transmit the charge; the storage layer is used to store and utilize the charge; the upper electrode layer and the lower electrode layer are respectively attached...

Embodiment 3

[0061] A fiber-based multilayer structure triboelectric nanogenerator, comprising a stacked upper base layer, an upper electrode layer, an electronegative friction layer, and a stacked electropositive friction layer, a lower electrode layer, and a lower base layer; Both the electropositive friction layer and the electronegative friction layer are electrospun nanofiber membranes; the working mode of the fiber-based multilayer friction nanogenerator is a vertical separation contact type.

[0062] The electronegative friction layer includes a power storage layer, a conductive layer and a friction contact layer from top to bottom, and the friction contact layer is used as an electronegative friction material to contact and separate from the electropositive friction layer to generate charges. The conductive layer is used to transmit the charge; the storage layer is used to store and utilize the charge; the upper electrode layer and the lower electrode layer are respectively attached...

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Abstract

The invention provides a fiber base multilayer structure friction nanometer power generator and a preparation method thereof. The fiber base multilayer structure friction nanometer power generator ischaracterized in that the power generator comprises an electropositive friction layer and a multilayer structure electronegative friction layer; the electropositive friction layer and the multilayer structure electronegative friction layer are static spinned nanofiber films; the multilayer structure electronegative friction layer comprises an electric storage layer, a conductive layer and a friction contact layer, wherein the electric storage layer, the conductive layer and the friction contact layer are successively arranged from bottom to top; and the electropositive friction layer and the electronegative friction layer can contact with each other or be separated from each other for generating electric charges. The prepared multilayer structure friction nanometer power generator has advantages of increasing shortcircuit current by 40-150%, boosting open-circuit voltage by 100-250%, and increasing electric quantity by 40-100%. The friction nanometer power generator according to the invention has advantages of high surface charge density, low volume mass, simple structure and short process flow. The fiber base multilayer structure friction nanometer power generator can efficientlycollect mechanical energy generation in human body movement and has wide application range in the field of microelectronics.

Description

technical field [0001] The invention belongs to the technical field of nano-energy and friction nano-generator, and in particular relates to a preparation method of a fiber-based multilayer structure friction nano-generator. Background technique [0002] In recent years, with the rapid development of modern technology, many smart wearable electronic products, such as smart bracelets and Google glasses, have been widely used in sports and fitness, communication entertainment, medical monitoring and other fields, greatly enriching people's daily life . At present, batteries are mostly used for the energy supply of these microelectronic devices, but the service life of batteries is limited, and the continuous operation of electronic devices makes it difficult for traditional energy supply units to meet the needs of users for long-term use. Therefore, how to provide continuous, effective and green power supply for wearable devices has become a research hotspot. [0003] There ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N1/04
CPCH02N1/04
Inventor 李召岭邱倩朱苗苗丁彬俞建勇
Owner DONGHUA UNIV
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