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Piezoelectric friction electric hybrid wearable nano generator and preparation method thereof

A nanogenerator and triboelectric technology, applied in the field of nanomaterials, can solve problems such as difficult operation, complex process, and difficulty in large-scale production

Active Publication Date: 2018-05-04
INNER MONGOLIA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned method for preparing a friction layer containing a micro / nano structure is complex in process, expensive in manufacturing cost, difficult in operation, long in preparation cycle, and difficult to produce on a large scale
These factors restrict the industrialization of such methods

Method used

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  • Piezoelectric friction electric hybrid wearable nano generator and preparation method thereof
  • Piezoelectric friction electric hybrid wearable nano generator and preparation method thereof
  • Piezoelectric friction electric hybrid wearable nano generator and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] (1) Measure 9 mL of N,N-dimethylformamide and 6 mL of acetone into a beaker, add 1.4013 g of polymer powder into it, stir magnetically for 60 min, and let stand for 60 min to obtain uniform and foam-free spinning liquid;

[0053] (2) The above-mentioned spinning dope was subjected to a positive voltage of 15 kV, a negative voltage of -2.5 kV, a spinning speed of 1 mL / h, a distance of 8 cm from the needle to the receiver, and a rotational speed of the receiver of 2800 rpm. Electrospinning was carried out under the condition of spinning time of 300 min to obtain a non-woven fabric with a thickness of 30 μm, piezoelectricity and nanowire-coated microsphere structure. The non-woven fabric was cut into length and width of 42 Small pieces of mm;

[0054] (3) A piece of conductive fiber cloth with a thickness of 143 μm and a length and width of 40 mm is used as the first electrode 1; a nitrile rubber with a thickness of 85 μm and a length and width of 50 mm is used as the ela...

Embodiment 2

[0059] (1) Measure 10 mL of N,N-dimethylformamide and 5 mL of acetone into a beaker, add 1.3547 g of polymer powder into it, stir magnetically for 30 min, and let stand for 30 min to obtain uniform and foam-free spinning liquid;

[0060] (2) The above-mentioned spinning solution was subjected to a positive voltage of 15 kV, a negative voltage of -2.5 kV, a spinning rate of 1 mL / h, a distance from the needle to a receiver of 10 cm, and a rotational speed of the receiver of 2800 rpm. Electrospinning was carried out under the condition of spinning time of 230 min to obtain a non-woven fabric with a thickness of 20 μm, piezoelectricity and nanowire-coated microsphere structure. The non-woven fabric was cut into length and width of 42 Small pieces of mm;

[0061] (3) A piece of conductive fiber cloth with a thickness of 143 μm and a length and width of 40 mm was used as the first electrode 1; a nitrile rubber with a thickness of 85 μm and a length and width of 50 mm was used as th...

Embodiment 3

[0066] (1) Take 9 mL of N,N-dimethylformamide and 5 mL of acetone in a beaker, add 1.4567 g of polymer powder into it, stir magnetically for 60 minutes, and let it stand for 30 minutes to obtain uniform and foam-free spinning liquid;

[0067] (2) The above-mentioned spinning dope was subjected to a positive voltage of 20 kV, a negative voltage of -2.5 kV, a spinning speed of 1 mL / h, a distance of 8 cm from the needle to the receiver, and a rotational speed of the receiver of 2800 rpm. Electrospinning was carried out under the condition of spinning time of 260 min to obtain a non-woven fabric with a thickness of 24 μm and a piezoelectricity and nanowire-coated microsphere structure. The non-woven fabric was cut into a length and width of 42 Small pieces of mm;

[0068] (3) A piece of conductive fiber cloth with a thickness of 143 μm and a length and width of 40 mm was used as the first electrode 1; a nitrile rubber with a thickness of 85 μm and a length and width of 50 mm was ...

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Abstract

The invention discloses a piezoelectric friction electric hybrid wearable nano generator and a preparation method thereof. The core is that a non-woven fabric having piezoelectricity and a nanowire-coated microsphere secondary micro-nano structure is prepared. Spinning liquid is directly spun into the non-woven fabric with the secondary micro-nano structure by a self-assembled far-field electrospinning and high-speed wire collection method. The non-woven fabric and other materials are assembled into the piezoelectric friction electric nano generator. The hybrid nano generator includes a firstelectrode, an elastic friction layer, a piezoelectric friction electric active layer, a second electrode, a high-molecular polymer supporting layer, an adhesive layer and a wire. The nano generator isa wearable device. The piezoelectric friction electric hybrid wearable nano generator is simple in preparation process, easy to operate and low in cost, and can be massively produced.

Description

technical field [0001] The invention relates to the technical field of nanomaterials, in particular to a piezoelectric triboelectric hybrid wearable nanometer generator and a preparation method thereof. Background technique [0002] With the continuous consumption of various non-renewable energy sources, the energy crisis has become a worldwide problem. The importance of developing green and renewable energy has become increasingly prominent. Compared with various renewable energy sources, mechanical energy exists widely in various forms, such as mechanical vibration, wave surge, water flow, human body movement, wind blowing, sound wave vibration, etc., all contain large or small mechanical energy. Piezoelectric nanogenerators (PENG) and triboelectric nanogenerators (TENG) can extensively harvest these energies. Compared with other renewable energy sources such as photovoltaic power generation, wind power generation, and tidal power generation, PENG and TENG have the advan...

Claims

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Application Information

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IPC IPC(8): H02N1/04B82Y30/00B82Y40/00
Inventor 郝喜红张嘉汉李雍孙宁宁杜金花李晓伟张利文
Owner INNER MONGOLIA UNIV OF SCI & TECH
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