Low-pressure high-flux directional moisture-conducting textile-based electroosmotic pump as well as preparation method and application thereof

A directional moisture-wicking, low-pressure and high-pressure technology, which is applied in the field of liquid transmission and smart wearables, can solve the problems of high Joule heat generation, low thermodynamic efficiency, and difficulty in practical application, achieving high Joule heat generation, convenient production, Apply a wide range of effects

Inactive Publication Date: 2020-05-12
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above technical problems, the present invention provides a low-pressure high-flux directional moisture-wicking textile-based electroosmotic pump and its preparation method and application. It has a simple structure, is convenient to manufacture and is widely used. It can drive the liquid movement without air bubbles, so that the liquid can be transmitted continuously, and the flux can reach 18.13mg min -1 cm -2 , which solves the problems of high voltage required for driving the existing electroosmotic pump, low flux, high Joule heat generation, low thermodynamic efficiency, and difficulties in practical application

Method used

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  • Low-pressure high-flux directional moisture-conducting textile-based electroosmotic pump as well as preparation method and application thereof
  • Low-pressure high-flux directional moisture-conducting textile-based electroosmotic pump as well as preparation method and application thereof
  • Low-pressure high-flux directional moisture-conducting textile-based electroosmotic pump as well as preparation method and application thereof

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Embodiment 1

[0038] A low-voltage high-flux directional moisture-wicking textile-based electroosmotic pump, including a driving electrode, a track-etched film arranged between the positive driving electrode and the negative driving electrode, and electrically connected to the positive driving electrode and the negative driving electrode respectively. drive power. The driving electrodes include positive driving electrodes and negative driving electrodes; both the positive driving electrodes and the negative driving electrodes are made of a film-like flexible conductive textile fiber material; the track etching film is an electrically insulating microporous film; the driving power is a low-voltage DC power supply. The driving power provides the driving force to realize directional moisture transfer from the positive driving electrode to the negative driving electrode.

Embodiment 2

[0040] Embodiment 2 is an optimization scheme to embodiment 1. In this embodiment, on the basis of Example 1, the base material of the positive electrode drive electrode adopts hydrophilic fiber fabric, the base material of the negative electrode drive electrode adopts hydrophobic fiber fabric, and the track etching film is a track etching polycarbonate microporous film. . This embodiment can further improve the directional moisture transfer efficiency on the basis of the embodiment 1, and avoid the backflow phenomenon.

Embodiment 3

[0042] Embodiment 3 is a further optimization of Embodiment 1 and Embodiment 3, and is also the optimal solution for the selection of positive and negative electrodes. combine figure 1 , in this embodiment, the positive electrode driving electrode is a non-metallic fabric electrode 11; the negative electrode driving electrode is a metal fabric electrode 2. Specifically, the non-metallic fabric electrode 11 adopts one of carbon fiber woven fabrics, graphene woven fabrics, carbon nanotube fabrics, polyaniline fabrics, polypyrrole fabrics, and polythiophene fabrics; A non-woven or woven fabric of one of metals, copper and aluminum. The thickness of the non-metallic fabric electrode 11 is 150 μm-570 μm; the thickness of the metal fabric electrode 2 is 35 μm-550 μm, and the water contact angle is 110°-160°; the thickness of the etched polycarbonate microporous film 3 is 7-20 μm, and the pores The ratio is 4-20%, and the average pore size is 0.4μm-2μm. At the same time, the posit...

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Abstract

The invention discloses a low-voltage high-flux directional moisture-conducting textile-based electroosmotic pump as well as a preparation method and application thereof. The electroosmotic pump comprises a driving electrode, a track etching film arranged between a positive driving electrode and a negative driving electrode, and a driving power supply which is electrically connected with the positive driving electrode and the negative driving electrode respectively. The driving electrodes comprise a positive electrode driving electrode and a negative electrode driving electrode; the positive electrode driving electrode and the negative electrode driving electrode are both made of a layer-film-shaped flexible conductive textile fiber material; the track etching thin film is an electric insulation microporous thin film; and the driving power supply is a low-voltage direct-current power supply. The low-pressure high-flux directional moisture conduction textile-based electroosmotic pump provided by the invention is simple in structure, convenient to manufacture and wide in application, the electroosmotic pump can drive liquid to move under the driving voltage of 1 V, no bubble is generated, the liquid can be continuously conveyed, and the flux can reach 18.13 mg / <min*cm>. The method can be applied to the field of intelligent wearable and directional moisture conduction.

Description

technical field [0001] The invention relates to the field of liquid transmission and smart wearable technology, in particular to a flexible asymmetric electrode open-type low-pressure high-flux directional moisture-wicking textile-based electroosmotic pump and its preparation method and its application in smart wearables. Background technique [0002] The moisture permeability of the fabric is an important factor affecting the comfort of clothing. If the human body secretes too much sweat, the fabric cannot quickly guide the sweat to the outer surface of the fabric and evaporate it. The human body will not only feel uncomfortable, but also breed bacteria and produce odor, threatening human health. . Therefore, how to quickly conduct sweat from the inner layer of the fabric to the outer layer and evaporate it as quickly as possible, and prevent the sweat from the outer layer from flowing back to the inner layer has become an important research direction in the field of moistu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D61/42B01D69/12B01D67/00D03D15/00D03D15/25D03D15/275D03D15/50D03D15/533
CPCB01D61/427B01D69/12B01D67/0002D03D15/00
Inventor 田明伟张玉莹曲丽君朱士凤
Owner QINGDAO UNIV
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