CN220597644U - Cathode-anode chamber support and conductive concave-convex plate for bipolar water electrolytic tank - Google Patents
Cathode-anode chamber support and conductive concave-convex plate for bipolar water electrolytic tank Download PDFInfo
- Publication number
- CN220597644U CN220597644U CN202321030841.8U CN202321030841U CN220597644U CN 220597644 U CN220597644 U CN 220597644U CN 202321030841 U CN202321030841 U CN 202321030841U CN 220597644 U CN220597644 U CN 220597644U
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- China
- Prior art keywords
- concave
- convex
- convex plate
- cathode
- protruding portion
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000005868 electrolysis reaction Methods 0.000 claims description 12
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003792 electrolyte Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 210000001595 mastoid Anatomy 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002336 repolarization Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses a cathode-anode chamber support and conductive concave-convex plate for a bipolar water electrolyzer, which comprises a concave-convex plate body, wherein a plurality of first convex parts are formed on the concave-convex plate body along the thickness direction of the concave-convex plate body, the first convex parts are distributed at equal intervals, a second convex part is reversely formed between two adjacent first convex parts along the thickness direction of the concave-convex plate body, and a plane is formed at the tops of the first convex part and the second convex part and is used for increasing the contact area between the concave-convex plate body and an electrode in the bipolar water electrolyzer; the utility model increases the contact area of the concave-convex plate and the electrode of the water electrolyzer, changes the point-to-point contact into the face-to-face contact, reduces the contact resistance of the concave-convex plate and the electrode, increases the current density, thereby reducing the energy consumption of the electrolyzer, simultaneously, the concave-convex plate can lead the volume of the water electrolyzer to be smaller, the weight to be lighter, and the production cost of the water electrolyzer to be saved.
Description
Technical Field
The utility model relates to the technical field of water electrolysis hydrogen production, in particular to a concave-convex plate for cathode-anode chamber support and electric conduction of a bipolar water electrolysis cell.
Background
The cell groove of the electrolytic tank of the existing water electrolysis hydrogen production equipment is formed by welding an concave-convex disc and a polar frame, a plurality of nipple-shaped bulges are distributed on the front surface and the back surface of the concave-convex disc, the convex points of the nipple-shaped bulges press the cathode and the anode on the two sides of a diaphragm in a point-to-point manner, the concave-convex disc and the anode form reliable multi-point electric contact, and thus concave-shaped and convex curved surfaces form a containing cavity and a circulating channel for electrolyte and generated hydrogen and oxygen, but the concave-convex disc has the following defects:
1. the limited number of electrode supports of the concave-convex plate leads to limited contact area between the concave-convex plate and the electrode of the electrolytic cell, which limits further improvement of current density.
2. The existing concave-convex disk mastoid is spherical, the contact between the electrode and the spherical mastoid is point contact, the contact area is small, and the current is further limited to be improved.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a concave-convex plate for supporting and conducting a cathode-anode chamber of a bipolar water electrolyzer, wherein the concave-convex plate is in face-to-face contact with an electrode of the water electrolyzer instead of point-to-point contact, so that the contact area between the electrode and the concave-convex plate is increased, the contact resistance between the concave-convex plate and the electrode is reduced, the current density is increased, and the energy consumption of the water electrolyzer is reduced.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the utility model provides a concave-convex plate that is used for cathode-anode chamber of bipolar water electrolyzer to support and electrically conduct, includes concave-convex disk body, concave-convex disk body is formed with a plurality of first bellying along its thickness direction, and a plurality of first bellying equidistance interval are arranged, is formed with the second bellying along the thickness direction of concave-convex disk body between two adjacent first bellying is reverse, the top of first bellying and second bellying all is formed with a plane for increase concave-convex disk body and bipolar water electrolyzer electrode's area of contact.
Further, the first protruding portion and the second protruding portion are protruding similar to a round table.
Further, the first protruding portion and the second protruding portion are arranged in a central symmetry mode.
Further, the first protruding portion and the second protruding portion are arranged in a bilateral symmetry mode.
Further, the first protruding portion and the second protruding portion are arranged symmetrically up and down.
Further, the concave-convex plate body is a metal concave-convex plate.
A water electrolysis cell comprising a relief disc as described above.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. the utility model increases the contact area of the concave-convex plate and the electrode of the water electrolyzer, changes the point-to-point contact into the face-to-face contact, reduces the contact resistance of the concave-convex plate and the electrode, increases the current density, and reduces the energy consumption of the electrolyzer;
2. the concave-convex plate can lead the volume of the water electrolytic tank to be smaller, the weight to be lighter, and the production cost of the water electrolytic tank to be saved.
Drawings
Fig. 1 is a cross-sectional view of the structure of the present utility model.
Fig. 2 is a partial enlarged view at a in fig. 1.
Detailed Description
The utility model will be further illustrated with reference to specific examples.
Referring to fig. 1 to 2, the concave-convex plate for supporting and conducting the cathode and anode chambers of the bipolar water electrolysis cell provided by the embodiment comprises a concave-convex plate body;
a plurality of first protruding parts 1 are formed on the concave-convex disc body along the thickness direction of the concave-convex disc body in a stamping mode, the plurality of first protruding parts 1 are distributed at equal intervals, a second protruding part 2 is reversely formed between two adjacent first protruding parts 1 along the thickness direction of the concave-convex disc body, the protruding directions of the second protruding parts 2 and the first protruding parts 1 are opposite, the first protruding parts 1 and the second protruding parts 2 are similar to circular truncated cone-shaped protrusions, and a plane is formed at the top parts of the first protruding parts 1 and the second protruding parts 2 and used for increasing the contact area of the concave-convex disc body and an electrode in a repolarization type water electrolytic cell; the first protruding part 1 and the second protruding part 2 are arranged in a central symmetry way, are arranged in a bilateral symmetry way and are arranged in an upper and lower symmetry way, so that after electrolyte enters the two sides of the main-stage plate of the water electrolytic tank through the liquid channel holes of the water electrolytic tank, the first protruding part 1 and the second protruding part 2 realize disturbance action on the flow of the electrolyte, the concentration difference of the electrolyte at each position is convenient to reduce, the electrolyte is distributed more uniformly, the contact area between the plane tops of the first protruding part 1 and the second protruding part 2 and the electrodes is increased, the contact resistance of the water electrolytic tank is reduced, the energy consumption of the water electrolytic tank is reduced, and the stability of the water electrolytic tank in long-term running is improved.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, so variations in shape and principles of the present utility model should be covered.
Claims (7)
1. A concave-convex plate that is used for anode-cathode chamber of bipolar water electrolysis cell to support and electrically conduct which characterized in that: including unsmooth disk body, unsmooth disk body is formed with a plurality of first bellying along its thickness direction, and a plurality of first bellying equidistance interval arrangements, is formed with the second bellying along unsmooth disk body's thickness direction is reverse between two adjacent first bellying, the top of first bellying and second bellying all is formed with a plane for increase unsmooth disk body and the area of contact of electrode in the bipolar type water power cell.
2. A cathode-anode cell support and conductive concave-convex disk for a bipolar water electrolysis cell according to claim 1, wherein: the first protruding portion and the second protruding portion are similar to round table-shaped protruding portions.
3. A cathode-anode cell support and conductive concave-convex disk for a bipolar water electrolysis cell according to claim 1, wherein: the first protruding portion and the second protruding portion are arranged in a central symmetry mode.
4. A cathode-anode cell support and conductive concave-convex disk for a bipolar water electrolysis cell according to claim 1, wherein: the first protruding portion and the second protruding portion are all arranged in bilateral symmetry.
5. A cathode-anode cell support and conductive concave-convex disk for a bipolar water electrolysis cell according to claim 1, wherein: the first protruding portion and the second protruding portion are arranged symmetrically up and down.
6. A cathode-anode cell support and conductive concave-convex disk for a bipolar water electrolysis cell according to claim 1, wherein: the concave-convex disc body is a metal concave-convex disc.
7. A water electrolysis cell comprising a relief disc according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321030841.8U CN220597644U (en) | 2023-04-28 | 2023-04-28 | Cathode-anode chamber support and conductive concave-convex plate for bipolar water electrolytic tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321030841.8U CN220597644U (en) | 2023-04-28 | 2023-04-28 | Cathode-anode chamber support and conductive concave-convex plate for bipolar water electrolytic tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220597644U true CN220597644U (en) | 2024-03-15 |
Family
ID=90175134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321030841.8U Active CN220597644U (en) | 2023-04-28 | 2023-04-28 | Cathode-anode chamber support and conductive concave-convex plate for bipolar water electrolytic tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220597644U (en) |
-
2023
- 2023-04-28 CN CN202321030841.8U patent/CN220597644U/en active Active
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