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Electrode structure for electrochemical device

An electrochemical and component technology, applied in the direction of electrolysis components, electrode shape/type, electrolysis process, etc., can solve the problem of limited liquid level increase on the edge of the membrane, and achieve the effect of increasing the effective utilization area, improving the conductive effect, and reducing the contact voltage. Effect

Inactive Publication Date: 2008-09-17
刘国桢
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] For the effective discharge and separation of vapor-liquid products, although there are many methods, they also have limitations, such as the structure in the open document CN 1708604, the guide groove is in the electrode chamber, and the liquid level on the upper edge of the membrane is limited.

Method used

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  • Electrode structure for electrochemical device
  • Electrode structure for electrochemical device
  • Electrode structure for electrochemical device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] Depend on Figure 1-5 As shown, 1 in the figure is the anode tray, on the anode tray 1 there are a plurality of inwardly protruding vertically uniform guide grooves 2, on the inner wall of the guide groove welded with a bimetallic lateral contact conductive The spring 3 has a guide groove 4 protruding vertically outward on one side of the anode platter, and a conduit 10 connecting the outlet 7 and the gas-liquid separation chamber 8 is installed in it, and there is also a communication conduit 10 on the other side of the anode platter. The vertically inwardly protruding guide groove 5 of the tube; there are a plurality of outwardly protruding vertically uniform convex grooves 13 in the cathode platter corresponding to the anode platter 1, and each protruding groove 13 of the cathode platter It corresponds to the guide groove 2 on the side of the anode platter; the liquid inlet pipe 6 is located at the lower part of the cathode platter. The connecting pipes arranged in ...

Embodiment 2

[0083] Figure 7It is another schematic diagram of the horizontal plane of the electrode component with guide grooves and lateral springs on the anode platter of the present invention; its structure and working principle are the same as those in Example 1, except that the anode platter and the cathode platter are set correspondingly The vertical guide groove 2 and the protruding groove 13 are not set in length, but are arranged in sections, and the structure of the conductive spring 3 in the vertical guide groove 2 on the anode platter has not changed, and other structures have no change. Variety.

Embodiment 3

[0085] Figure 8 It is a schematic plane sectional view of an electrode member with guide grooves and lateral springs on the anode platter and a conductive plate at the corresponding position on the cathode platter of the present invention; The spring 3 cooperates with a conductive riser 23, which is characterized in that the compressive force between the conductive pressure and the unit groove is vertical and is not affected by its size. The anode has a recess 25 at the soldering point, on which a protective support pad 24 is provided; other structures are the same as in Embodiment 1.

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Abstract

An electrode component used for an electrochemical appliance comprises a tray-shaped trough main body; a sealing edge extending outwards on the periphery of the tray; a porous electrode covering the tray surface and on the same level as the periphery; and an electric supporting element for connecting the electrode with the back wall of the tray. The technical points are as follows: as an anode component, the anode tray is provided with leading grooves protruding inwards, the leading grooves are provided with electric springs on the inner walls, the two ends of the anode tray are respectively provided with a guide slot equipped with a communicating tube; as a cathode component, the cathode tray is provided with tongues protruding outwards, the two ends of the cathode tray corresponding to the anode tray are respectively provided with a guide slot equipped with a communicating tube, each tongue of the cathode tray are corresponding to the leading grooves on the anode component side; the communicating tubes arranged in the guide slots on the two sides of the trays are connected with a gas-liquid separation chamber on the upper part of the tray, the lower parts of the communicating tubes are connected with an outlet at the bottom of the tray. The structure can protect physical and chemical properties of the film to a greatest extent and prolong the service life of the film and the trough.

Description

technical field [0001] The invention relates to the field of industrial electrochemical technology, in particular to an electrode component for an electrochemical device of a bipolar electrolysis device or a fuel cell. Background technique [0002] In the field of electrochemistry for industrial applications, no matter the bipolar or unipolar cell, it is composed of a cathode and an anode separated by a membrane, and a cathode chamber and an anode chamber that provide a liquid electrolytic environment for the electrode. The membrane usually uses an ion exchange membrane. . [0003] In the patent document ZL 002294633.0, a natural circulation bipolar electrolysis device with external circulation components is disclosed. The technical point is that there is a gas-liquid separator connected to the tank above the tank. [0004] As the advantages of the bipolar type are gradually discovered and the disadvantages are gradually overcome, it is widely used in today's electrolysis ...

Claims

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Application Information

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IPC IPC(8): C25B11/02C25B9/06C25B9/17
Inventor 刘国桢刘克儒
Owner 刘国桢
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