Preparation method of sisal fiber paper-based friction nano-generator

A nano-generator, sisal fiber technology, applied in the direction of triboelectric generator, cellulose pulp post-processing, fiber raw material processing, etc., can solve problems such as energy and environmental problems, and achieve the effect of low cost of raw materials and simple steps

Active Publication Date: 2021-04-02
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technology of the present invention provides a new way of thinking for solving energy and environmental problems caused by excessive use of mineral energy

Method used

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  • Preparation method of sisal fiber paper-based friction nano-generator
  • Preparation method of sisal fiber paper-based friction nano-generator
  • Preparation method of sisal fiber paper-based friction nano-generator

Examples

Experimental program
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Effect test

Embodiment 1

[0028] (1) Repeatedly rubbing, washing and drying the sisal fiber raw material treated by the sisal plant to remove the tissue debris and silt on the surface, and then cut it into small sections of 5-10mm.

[0029] (2) Put 5 g of sisal fibers obtained in step (1) into a 100 mL high-temperature reactor, add 70 mL of NaOH solution with a concentration of 2.5 mol / L, assemble the high-temperature reactor, put it into an oven, and heat up to 160 ° C for 14 Hour.

[0030] (3) The mixed solution obtained in step (2) is subjected to suction filtration, and the filter residue (sisal cellulose) is taken. Wash the sisal cellulose repeatedly with deionized water until the filtrate is neutral, and place it for later use.

[0031] (4) After the sisal cellulose obtained in step (3) is suction-filtered excess moisture, it is poured into a beaker, and adding mass percent concentration is 5% H 2 o 2 solution, and then placed the beaker in a water bath at 60°C for 1 hour to bleach. After ble...

Embodiment 2

[0035] (1) Repeatedly rubbing, washing and drying the sisal fiber raw material treated by the sisal plant to remove the tissue debris and silt on the surface, and then cut it into small sections of 5-10mm.

[0036] (2) Put 5 g of sisal fibers obtained in step (1) into a 100 mL high-temperature reactor, add 70 mL of NaOH solution with a concentration of 2.5 mol / L, assemble the high-temperature reactor, put it into an oven, and heat up to 160 ° C for 14 Hour.

[0037] (3) The mixed solution obtained in step (2) is subjected to suction filtration, and the filter residue (sisal cellulose) is taken. Wash the sisal cellulose repeatedly with deionized water until the filtrate is neutral, and place it for later use.

[0038] (4) After the sisal cellulose obtained in step (3) is suction-filtered excess moisture, it is poured into a beaker, and adding mass percent concentration is 5% H 2 o 2 solution, and then placed the beaker in a water bath at 60°C for 1 hour to bleach. After ble...

Embodiment 3

[0042] (1) Repeatedly rubbing, washing and drying the sisal fiber raw material treated by the sisal plant to remove the tissue debris and silt on the surface, and then cut it into small sections of 5-10mm.

[0043] (2) Put 5 g of sisal fibers obtained in step (1) into a 100 mL high-temperature reactor, add 70 mL of NaOH solution with a concentration of 2.5 mol / L, assemble the high-temperature reactor, put it into an oven, and heat up to 160 ° C for 14 Hour.

[0044] (3) The mixed solution obtained in step (2) is subjected to suction filtration, and the filter residue (sisal cellulose) is taken. Wash the sisal cellulose repeatedly with deionized water until the filtrate is neutral, and place it for later use.

[0045] (4) After the sisal cellulose obtained in step (3) is suction-filtered excess moisture, it is poured into a beaker, and adding mass percent concentration is 5% H 2 o 2 solution, and then placed the beaker in a water bath at 60°C for 1 hour to bleach. After ble...

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Abstract

The invention discloses a preparation method of a sisal fiber paper-based friction nano-generator. The preparation method comprises the following steps: cleaning, drying and shearing sisal fiber raw materials, putting the sisal fiber raw materials into a high-temperature reaction kettle, and adding a NaOH solution for hydrothermal treatment; and carrying out suction filtration and cleaning on thesolid substance obtained by hydrothermal treatment for many times by using deionized water, and bleaching, drying and crushing the solid substance to obtain the dried sisal cellulose; dispersing 1-3gof sisal cellulose into 200-300mL of deionized water, carrying out suction filtration to form a film, carrying out rolling treatment on the sisal cellulose film by using a hydraulic machine, and drying to obtain the sisal cellulose paper; then using the sisal hemp cellulose paper and the polytetrafluoroethylene film as polar plates to assemble the sisal hemp cellulose paper-based friction nano-generator. The method is simple and easy to operate and low in material preparation cost; the sisal fiber is enabled to become friction material of friction nano-generator, electrical performance tests show that the sisal fibers have relatively good output performance and stability, and a new way is provided for resource utilization of the sisal hemp.

Description

technical field [0001] The invention relates to a preparation method of a sisal fiber paper-based friction nanogenerator. Background technique [0002] Cellulose and its derivatives are the most abundant natural biomacromolecules, which come from a wide range of sources, are environmentally friendly, and are renewable and biodegradable materials. Because cellulose contains a large number of oxygen atoms, it has a high tendency to lose electrons, which makes cellulose-based paper and cellulose-based materials easy to be positively charged. Ethylene (PTFE), polydimethylsiloxane (PDMS), and polyethylene terephthalate (PET) are paired and assembled into TENGs, which can obtain better electrical output performance. Sisal fiber has the advantages of acid and alkali resistance, friction resistance, corrosion resistance, and high fiber strength. The present invention uses sisal fiber to extract cellulose for the first time and is used to prepare the friction electrode material of s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21C5/00D21C9/02D21C9/16D21H11/12D21J3/12H02N1/04
CPCD21H11/12D21C5/00D21C9/02D21C9/163D21J3/12H02N1/04
Inventor 覃爱苗李铭郝鑫禹何进廖雷
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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