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Electrolytic tubular electrode, water electrolysis device comprising same and application thereof

A tubular electrode and water electrolysis technology, applied in the field of water electrolysis, can solve the problems of small contact area of ​​water body, low water electrolysis efficiency, and large space occupation.

Pending Publication Date: 2020-05-19
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The electrolyzed water electrodes in the hydrogen-rich cup mostly adopt superimposed sheet structures. This type of structure has a small contact area with the water body and occupies a large space. It is not suitable for free combination of multi-electrode structures. The efficiency of electrolyzed water is low, and the prepared hydrogen Hydrogen concentration in water is not high
[0005] 2. The hydrogen bubbles generated by the existing electrolytic water electrodes are mostly micron-sized, and the solubility of micron-sized hydrogen bubbles in water is not high, and they cannot exist stably
[0006] 3. In addition, because the existing sheet-shaped electrolytic water electrodes are not suitable for the free combination of multi-electrode structures, they are only suitable for use in small devices such as hydrogen-rich cups, and cannot meet the needs of large amounts of hydrogen-rich water in daily life, industry, agriculture, etc.

Method used

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  • Electrolytic tubular electrode, water electrolysis device comprising same and application thereof
  • Electrolytic tubular electrode, water electrolysis device comprising same and application thereof
  • Electrolytic tubular electrode, water electrolysis device comprising same and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0124] like figure 1 and figure 2 , a tubular electrode 10 for electrolysis of water inflow, said tubular electrode 10 comprises a proton exchange membrane 2, a hollow inner layer tube 1 cathode tube and a hollow outer layer tube 3 anode tubes arranged coaxially; the inner layer tube 1 and the outer layer tube The layer tube 3 is respectively connected to the negative pole and the positive pole corresponding to the power supply.

[0125] Wherein, the gap between the cathode tube and the anode tube is completely filled by the proton exchange membrane 2; the tube wall of the inner layer cathode tube has several first gas generation holes 1-1, and the outer layer anode tube The tube wall has several second gas production holes 3-1. Both ends of the tubular electrode 10 are open. The porous electrode material prepared in Example 7 is provided on the inner wall of the cathode tube.

[0126] figure 1 It is an exploded view of the structure of a single tubular electrode 10 in E...

Embodiment 2

[0129] like image 3 , a tubular electrode 10 for electrolyzed water flowing out of the water. The difference from Example 1 is that the outer tube 3 described in Example 2 is a cathode tube, the inner tube 1 is an anode tube, and one end of the cathode tube is Sealing forms the sealed end of the tubular electrode 10. The porous electrode material prepared in Example 8 is provided on the outer wall of the cathode tube.

[0130] image 3 It is a schematic diagram of the three-dimensional structure of a single tubular electrode 10 in Embodiment 2.

Embodiment 3

[0132] The proton exchange membrane in Example 1 was replaced by an anion exchange membrane.

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Abstract

The invention belongs to the technical field of electrolyzed water, and particularly relates to an electrolytic tubular electrode, a water electrolyzing device comprising the same and application thereof. The tubular electrode (10) comprises an ion exchange membrane (2), and a hollow inner-layer tube (1) and a hollow outer-layer tube (3) which are coaxially arranged; the space between the inner-layer tube (1) and the outer-layer tube (3) is filled with the ion exchange membrane (2); the inner-layer tube (1) is an electrolyzed water anode tube, and the outer-layer tube (3) is an electrolyzed water cathode tube; or the inner-layer tube (1) is an electrolyzed water cathode tube, and the outer-layer tube (3) is an electrolyzed water anode tube; and the inner-layer tube (1) and the outer-layertube (3) are conductive pipes with air-permeable and water-permeable tube walls. The electrolysis device comprising the electrolysis tubular electrodes is designed, installation is convenient, the multiple electrolysis tubular electrodes can be arranged in the electrolysis device side by side, the electrolysis efficiency is high, the diameter of hydrogen bubbles in hydrogen-rich water generated through electrolysis is mainly distributed below 350 nm, and the hydrogen content in the hydrogen-rich water reaches up to 2.5 ppm.

Description

technical field [0001] The invention belongs to the technical field of electrolyzed water, and in particular relates to a tubular electrode for electrolyzed water, and an electrolyzed water device and application thereof. Background technique [0002] Hydrogen is the smallest and simplest molecule in nature and plays a very important role in life. Hydrogen can neutralize some highly oxidative reactive oxygen species in the body. When aqueous solutions rich in micron or nanometer hydrogen bubbles enter daily life, a large number of studies have shown that hydrogen-rich water can regulate the activity of oxidative metabolism, and has anti-fatigue and anti-cancer properties. , anti-inflammatory and other physiological effects. Therefore, hydrogen-rich water can not only be used as a new type of drinking water resource, but also an ideal antioxidant, and can even provide effective help in the prevention and treatment of chronic diseases. [0003] Therefore, the application of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25B11/02C25B1/10C25B9/08C02F1/461C02F103/02C25B9/19
CPCC25B11/02C02F1/46109C02F2001/46142C02F2001/46161C02F2001/46171C02F2103/02C25B1/04C25B9/73C25B9/19Y02E60/36
Inventor 邝允孙晓明李佳伟王士元
Owner BEIJING UNIV OF CHEM TECH
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