Novel electrolytic bath pole plate

Abstract

The utility model relates to the technical field of hydrogen production through water electrolysis, in particular to a novel electrolytic bath pole plate which comprises an electrode pole plate, a wiring hole, an oxygen hole, a hydrogen hole, a bolt hole, a first convex flow channel, a second convex flow channel, a water inlet hole and an extension plate, and the wiring hole is formed in the upper end of the electrode pole plate; compared with a traditional concave flow channel pole plate, through structural optimization of the first convex flow channel and the second convex flow channel, the overall weight is greatly reduced, so that the weight of the whole groove body is remarkably reduced, light weight and portability of equipment are facilitated, and compared with a structure of a flat plate type pole plate and a gradient net, the structure is simple, and the cost is low. According to the utility model, the polar plate and the flow field are combined, the contact resistance is greatly reduced, the utilization efficiency of electric energy is effectively improved through the improvement, the hydrogen production effect by electrolyzing water is enhanced, the energy consumption is reduced, and the polar plate structure has the remarkable advantages of light weight, reduced contact resistance, improved hydrogen production efficiency and the like, and has a wide application prospect.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrolytic water hydrogen production technical field especially relates to a new electrolytic cell polar plate. BACKGROUND

[0002] In the process of electrolytic water hydrogen production, the polar plate structure has an important influence on hydrogen production efficiency and performance, the traditional polar plate structure mainly includes the polar plate that is engraved with the concave flow channel on the surface and the structure that adopts the flat polar plate plus gradient net, however, these traditional structures have some significant defects. The polar plate with concave flow channel is often heavy due to its structural characteristics, which increases the weight of the whole tank body, and is not conducive to the lightweight of the equipment. The structure of the flat polar plate plus gradient net separates the polar plate from the flow field, resulting in a large contact resistance, which affects the utilization efficiency of electric energy and the hydrogen production effect.

[0003] Therefore, in view of the problem that the traditional polar plate structure is heavy and easy to cause a large contact resistance, a new electrolytic cell polar plate can be designed. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the problem that the traditional polar plate structure is heavy and easy to cause a large contact resistance.

[0005] The technical scheme of the utility model is as follows: a new electrolytic cell polar plate, which comprises an electrode polar plate, a wiring hole, an oxygen hole, a hydrogen hole, a bolt hole, a first convex flow channel, a second convex flow channel, a water inlet hole and an extension plate, the upper end of the electrode polar plate is provided with the wiring hole, the upper end of the electrode polar plate is provided with the oxygen hole, the upper end of the electrode polar plate is provided with the hydrogen hole, the upper end of the electrode polar plate is provided with the bolt hole, the upper end of the electrode polar plate is fixedly connected with the first convex flow channel, the upper end of the electrode polar plate is fixedly connected with the second convex flow channel, the upper end of the electrode polar plate is provided with the water inlet hole, and the right side of the electrode polar plate is connected with the extension plate.

[0006] Preferably, the wiring hole, the oxygen hole, the hydrogen hole, the first convex flow channel, the second convex flow channel and the water inlet hole are concentrated on the upper end of the electrode polar plate, realizing the high integration of electric connection, gas discharge and circulating water required for electrolytic reaction, so as to facilitate the electrolytic reaction, the bolt hole facilitates the quick butt joint of the electrode polar plate and the end plate, and the assembly efficiency is improved.

[0007] Preferably, the electrode polar plate is of a square structure, and the four corners are all rounded.

[0008] Preferably, the right side of the electrode polar plate is fixedly connected with the extension plate, and the electrode polar plate and the extension plate are of a fixed integrated structure.

[0009] Preferably, the bolt hole is provided with eight.

[0010] As preferred, the first convex flow channel and the second convex flow channel are equidistantly distributed, and the first convex flow channel and the second convex flow channel are staggered.

[0011] As preferred, the first convex flow channel is in a strip structure, and the cross-sectional shape of the first convex flow channel is not limited to a semicircle, a rectangle or a trapezoid.

[0012] As preferred, the second convex flow channel has the same structure as the first convex flow channel.

[0013] The utility model discloses the beneficial effects of:

[0014] Compared with the traditional concave flow channel polar plate, the utility model discloses the structure optimization of the first convex flow channel and the second convex flow channel, and the overall weight is greatly reduced, so that the weight of the whole tank is significantly reduced, which is beneficial to the light weight and portability of the equipment, and compared with the structure of the flat polar plate plus gradient net, the utility model discloses the combination of the polar plate and the flow field, and the contact resistance is greatly reduced, and the improvement effectively improves the utilization efficiency of electric energy, enhances the effect of hydrogen production by electrolysis of water, and reduces the energy consumption. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure diagram of the utility model discloses the electrolytic tank polar plate Figure One ;

[0016] Figure 2 It is the overall structure diagram of the utility model discloses the electrolytic tank polar plate Figure Two ;

[0017] Figure 3 It is the section of the utility model discloses the electrolytic tank polar plate Figure One ;

[0018] Figure 4 It is the section of the utility model discloses the electrolytic tank polar plate Figure Two .

[0019] Mark explanation: 1, electrode polar plate;2, wiring hole;3, oxygen hole;4, hydrogen hole;5, bolt hole;6, first convex flow channel;7, second convex flow channel;8, water inlet hole;9, extension plate. DETAILED DESCRIPTION

[0020] The utility model will be further explained in connection with the drawings and examples.

[0021] Please refer to Figures 1-3The utility model provides a kind of new electrolytic cell pole plate, including electrode pole plate 1, wiring hole 2, oxygen hole 3, hydrogen hole 4, bolt hole 5, first convex flow channel 6, second convex flow channel 7, water inlet hole 8 and extension plate 9, wiring hole 2 is set in the upper end of electrode pole plate 1, oxygen hole 3 is set in the upper end of electrode pole plate 1, hydrogen hole 4 is set in the upper end of electrode pole plate 1, bolt hole 5 is set in the upper end of electrode pole plate 1, first convex flow channel 6 is fixedly connected to the upper end of electrode pole plate 1, second convex flow channel 7 is fixedly connected to the upper end of electrode pole plate 1, water inlet hole 8 is set in the upper end of electrode pole plate 1, extension plate 9 is connected to the right side of electrode pole plate 1, wiring hole 2, oxygen hole 3, hydrogen hole 4, first convex flow channel 6, second convex flow channel 7, water inlet hole 8 are concentrated in the upper end of electrode pole plate 1, realize the height integration of the electrical connection, gas discharge, circulating water required for electrolytic reaction, so as to electrolytic reaction, bolt hole 5 is convenient for electrode pole plate 1 and end plate quick butt joint, improve assembly efficiency, when using electrolytic cell pole plate, corresponding sealing gasket should be used in matching.

[0022] Please refer to Figures 2-4 In the embodiment, electrode pole plate 1 is square structure, and four corners are all rounded, square electrode pole plate 1 four corners adopt rounded design, effectively disperses stress concentration point, extension plate 9 is fixedly connected to the right side of electrode pole plate 1, electrode pole plate 1 and extension plate 9 are fixed integrated structure, by extension plate 9 and electrode pole plate 1 adopt integrated forming process, eliminate the potential leakage risk of welding seam, bolt hole 5 is provided with eight, by screw passing through bolt hole 5, it is convenient to quickly position and fix electrode pole plate 1, first convex flow channel 6 and second convex flow channel 7 are all equidistant distribution, first convex flow channel 6 and second convex flow channel 7 are mutually staggered and arranged, by double convex flow channel equidistant staggered arrangement, form three-dimensional disturbance flow field, promote electrolytic circulating water and electrode surface to contact fully, first convex flow channel 6 is strip structure, the cross-sectional shape of first convex flow channel 6 is not limited to semicircular, rectangular or trapezoidal, second convex flow channel 7 is same with the structure of first convex flow channel 6, flow channel cross section can be designed into semicircular, rectangular, trapezoidal etc. according to the flow resistance characteristics of different electrolyte viscosity adjustment.

[0023] When direct current is accessed electrode pole plate 1 through wiring hole 2 when working, electrolytic water reacts, water molecule is decomposed into O2 (oxygen) at anode and is discharged through oxygen hole 3, is decomposed into H2 (hydrogen) at cathode and is led out through hydrogen hole 4, realizes gas-liquid separation, circulating water enters first convex flow channel 6 and second convex flow channel 7 by water inlet hole 8, double flow channel equidistant staggered arrangement forms three-dimensional disturbance flow field, forces water flow and electrode surface to contact fully, so as to electrolysis.

[0024] Through the above steps, the polar plate structure of the utility model is applied to the water electrolysis hydrogen production device, through its lightweight and low contact resistance characteristics, can significantly improve the efficiency and performance of water electrolysis hydrogen production, to solve the problem of the traditional polar plate structure weight is larger, easy to cause the contact resistance is larger.

[0025] The above has made the detailed description to the embodiment of the utility model in combination with the drawings, but the utility model is not limited to the above embodiment, still can make various changes in the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A novel electrolytic cell electrode plate comprising an electrode plate (1); characterized in that: It also includes the wiring hole (2), oxygen hole (3), hydrogen hole (4), bolt hole (5), the first convex flow channel (6), the second convex flow channel (7), water inlet hole (8) and extension plate (9), the upper end of the electrode plate (1) is provided with wiring hole (2), the upper end of the electrode plate (1) is provided with oxygen hole (3), the upper end of the electrode plate (1) is provided with hydrogen hole (4), the upper end of the electrode plate (1) is provided with bolt hole (5), the upper end of the electrode plate (1) is fixedly connected with the first convex flow channel (6), the upper end of the electrode plate (1) is fixedly connected with the second convex flow channel (7), the upper end of the electrode plate (1) is provided with water inlet hole (8), the right side of the electrode plate (1) is connected with extension plate (9).

2. A new type of electrolytic cell plate according to claim 1, characterized in that: The electrode plate (1) is square structure, and the four corners are all rounded.

3. A new type of electrolytic cell plate according to claim 2, characterized in that: The right side of the electrode plate (1) is fixedly connected with the extension plate (9), and the electrode plate (1) and the extension plate (9) are fixedly integrated.

4. A new type of electrolytic cell plate according to claim 1, characterized in that: The bolt hole (5) is provided with eight.

5. A new type of electrolytic cell plate according to claim 1, characterized in that: The first convex flow channel (6) and the second convex flow channel (7) are all equidistantly distributed, and the first convex flow channel (6) and the second convex flow channel (7) are staggered.

6. A novel electrolytic cell plate as claimed in claim 5, wherein: The first convex flow channel (6) is a strip structure, and the cross-sectional shape of the first convex flow channel (6) is not limited to semicircular, rectangular or trapezoidal.

7. A novel electrolytic cell plate as claimed in claim 6, wherein: The second convex flow channel (7) is the same structure as the first convex flow channel (6).

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