Full-degradable friction nano-generator and preparation method and application thereof

A nanogenerator and friction layer technology, which is applied in the field of medical devices, can solve the problems of low transfer charge, single composition, low output performance of triboelectric nanogenerators, etc., and achieve the effect of improving electrical output performance

Pending Publication Date: 2022-03-29
SHENZHEN INST OF ADVANCED TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the single composition of the friction layer material selected by the current fully degradable triboelectric nanogenerator, the electron gain and loss capabilities between the friction layers are similar or the same, which in turn makes the amount of transferred charge low and the electrical output performance of the triboelectric nanogenerator is low.

Method used

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  • Full-degradable friction nano-generator and preparation method and application thereof
  • Full-degradable friction nano-generator and preparation method and application thereof
  • Full-degradable friction nano-generator and preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0068] This embodiment provides a fully degradable triboelectric nanogenerator, the preparation method of which is as follows:

[0069] (1) Preparation of the first amino acid composite material layer: first prepare an acetic acid solution with a volume fraction of 1%, then add sodium alginate powder into the acetic acid solution, and stir well to obtain a homogeneous solution with a mass fraction of 3%. Next, add glycine powder into the sodium alginate solution so that the mass ratio of glycine to sodium alginate in the mixed solution is 1.2:1, and stir well and evenly. Finally, the obtained mixed solution was poured into a clean glass plate, left standing at 25°C to remove air bubbles, and then placed in a vacuum oven at 60°C for 12 hours to obtain a flat first amino acid composite material layer with a thickness of 300 μm. Its schematic diagram is as follows figure 1 shown.

[0070] (2) Preparation of the second amino acid composite material layer: firstly, the polyvinyl ...

Embodiment 2

[0075]This embodiment provides a fully degradable triboelectric nanogenerator, the preparation method of which is as follows:

[0076] (1) Preparation of the first amino acid composite material layer: adding silk fibroin to deionized aqueous solution, centrifuging to remove impurities after fully dissolving, and obtaining a silk fibroin aqueous solution with a mass fraction of 10%. Next, add lysine powder into the silk fibroin aqueous solution so that the mass ratio of serine and silk fibroin in the mixed solution is 0.35:1, and stir well and evenly. Finally, the obtained mixed solution was poured into a clean glass plate, left standing at 25°C to remove air bubbles, and then placed in a vacuum oven at 60°C for 18 hours to obtain a flat first amino acid composite material layer with a thickness of 800 μm.

[0077] (2) Preparation of the second amino acid composite material layer: firstly, the polyvinyl alcohol polymer material was added to the deionized aqueous solution, heate...

Embodiment 3

[0082] This embodiment provides a fully degradable triboelectric nanogenerator, the preparation method of which is as follows:

[0083] (1) Preparation of the first amino acid composite material layer: gelatin was added into a deionized aqueous solution, fully dissolved and then centrifuged to remove impurities to obtain an aqueous gelatin solution with a mass fraction of 8%. Next, add glutamine powder into the gelatin aqueous solution so that the mass ratio of glutamine and gelatin in the mixed solution is 0.8:1, and stir well and evenly. Finally, the obtained mixed solution was poured into a clean glass plate, left standing at 25°C to remove air bubbles, and then placed in a vacuum oven at 40°C for 24 hours to obtain a flat first amino acid composite material layer with a thickness of 80 μm.

[0084] (2) Preparation of the second amino acid composite material layer: firstly, the polyoxyethylene polymer material was added to the deionized aqueous solution, heated to 90° C. an...

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Abstract

The invention relates to an all-degradable friction nano-generator and a preparation method and application thereof. The all-degradable friction nano-generator comprises a first friction layer and a second friction layer, the first friction layer comprises a first amino acid composite material layer and a first metal current collector layer which are sequentially overlapped; and the second friction layer comprises a second amino acid composite material layer and a second metal current collector layer which are sequentially overlapped. Amino acid crystal compounds with different functional group structures are introduced to the surface of the friction layer material in a manner of adding amino acids with wide sources into the friction layer material to form a composite material, so that the electron gain and loss capacities between the friction layers are greatly differentiated; the purpose of effectively improving the electric output performance of the friction nanometer generator is achieved, and the electric output performance is adjustable.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and relates to a friction nanometer generator and its preparation method and application, in particular to a fully degradable friction nanometer generator and its preparation method and application, especially to a fully degradable friction nanometer generator with high electrical output performance. Degradable triboelectric nanogenerator and its preparation method and application. Background technique [0002] Implantable Medical Devices (IMDs) have been widely used in clinical medicine due to their dexterity and convenience, real-time monitoring of patients' health status, and effective treatment of various emergencies. At present, the key factor restricting the development of active IMDs is mainly the energy supply problem. The power of most active IMDs is mainly provided by the built-in battery. Once the battery energy is exhausted, the IMDs will stop working normally. [0003] Trib...

Claims

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Application Information

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IPC IPC(8): H02N1/04C08J5/18C08L5/04C08L29/04C08L89/00C08L71/02C08K5/17C08K5/20
CPCH02N1/04C08J5/18C08J2305/04C08J2329/04C08J2389/00C08J2371/02C08K5/175C08K5/20C08K5/17C08L5/04C08L29/04C08L71/02C08L89/00
Inventor 江文朱朋莉孙蓉
Owner SHENZHEN INST OF ADVANCED TECH
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