CN114525535A - Novel water electrolyzer bipolar plate - Google Patents
Novel water electrolyzer bipolar plate Download PDFInfo
- Publication number
- CN114525535A CN114525535A CN202210085116.4A CN202210085116A CN114525535A CN 114525535 A CN114525535 A CN 114525535A CN 202210085116 A CN202210085116 A CN 202210085116A CN 114525535 A CN114525535 A CN 114525535A
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- China
- Prior art keywords
- bipolar plate
- water electrolysis
- gas collecting
- electrolysis
- plate body
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 79
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000003792 electrolyte Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 22
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910001882 dioxygen Inorganic materials 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 3
- 239000001257 hydrogen Substances 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000005422 blasting Methods 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000005265 energy consumption Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
- C25B11/036—Bipolar electrodes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
- C25B11/03—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention discloses a novel water electrolysis cell bipolar plate, which comprises a water electrolysis bipolar plate body with a plate-shaped structure, wherein the water electrolysis bipolar plate body comprises an electrolysis region, a gas-liquid inlet and outlet region and a polar plate frame which are sequentially arranged from inside to outside, and the electrolysis region is arranged at the middle position of the front side wall and the rear side wall of the water electrolysis bipolar plate body; the gas-liquid inlet and outlet area is arranged on the outer side of the electrolysis area in a surrounding manner, and a plurality of electrolyte inlets, oxygen gas collecting holes and hydrogen gas collecting holes are formed in the gas-liquid inlet and outlet area; the polar plate frame is enclosed and arranged at the outer side of the gas-liquid inlet and outlet area, and a sealing groove for mounting a sealing ring is arranged in the polar plate frame; the outer wall surface of the polar plate frame is provided with a fool-proof structure, and the fool-proof structure is a fool-proof groove formed in the outer edge of the polar plate frame. The electrolytic area comprises a plurality of convex structures uniformly arranged on one side of the front side and the rear side of the water electrolysis bipolar plate body and a plurality of concave structures arranged on the other side, and a layer of metal nickel is sprayed on the outer surface of the electrolytic area.
Description
Technical Field
The invention relates to the technical field of water electrolysis hydrogen production equipment, in particular to a novel water electrolysis bath bipolar plate.
Background
With the continuous optimization of energy structures, the hydrogen energy accounts for a continuously increased proportion in a terminal energy system in China, and the requirements on hydrogen production efficiency, energy consumption and the like of a hydrogen production device are higher. Among them, hydrogen production by water electrolysis is the main mode for producing green hydrogen, and alkaline electrolytic cells are the most mature electrolysis technology. The bipolar electrolytic bath is an alkaline electrolytic bath widely used, and is formed by connecting a plurality of electrolytic cells in series into a whole, wherein one electrolytic cell is arranged between every two electrode plates, and a diaphragm for separating hydrogen and oxygen is arranged in the middle of each electrolytic cell. The anode plate of each cell is simultaneously the cathode plate next to the cell, the cathode plate is also the anode plate next to the cell, and the positive and negative sides of one plate have opposite polarities, so the plate is called a bipolar plate. The bipolar type electrolytic tank is mainly composed of an end plate, an anode plate, a cathode plate, a bipolar plate, a diaphragm and the like.
In the water electrolysis process, can constantly produce gas on negative and anode plate and the bipolar plate, when gaseous escape velocity is less than gaseous production speed, more and more gas can be attached to the electrode surface, occupies the active point on electrode surface, increases the overpotential of electrode, diffuses to in the electrolyte simultaneously for the gas content of electrolyte increases, has reduced the effective sectional area of electrolyte, resistance increase and the voltage loss increase when causing the electric current to pass through electrolyte. Therefore, the hydrogen production efficiency can be improved by increasing the effective sectional areas of the bipolar plate and the electrolyte. In addition, the gas transmission and discharge in the electrolytic tank mainly depend on the gas collecting holes on the bipolar plate, so that the number of the gas collecting holes is increased at a proper position by simulating the accumulation rate and the dissipation path of hydrogen and oxygen in different electrolytic areas of the bipolar plate, the gas escape is accelerated, the bubble influence is reduced, and the method has important significance for reducing the electrolytic energy consumption and improving the economic benefit.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel water electrolyzer bipolar plate with high effective sectional area and multiple air collecting holes aiming at the defects in the prior art.
The invention aims to provide a novel water electrolysis cell bipolar plate, which comprises a water electrolysis bipolar plate body with a plate-shaped structure, wherein the water electrolysis bipolar plate body comprises an electrolysis area, a gas-liquid inlet and outlet area and a polar plate frame which are sequentially arranged from inside to outside, and the electrolysis area is arranged in the middle of the front side wall and the rear side wall of the water electrolysis bipolar plate body; the gas-liquid inlet and outlet area is arranged on the outer side of the electrolysis area in a surrounding manner, and a plurality of electrolyte inlets, oxygen gas collecting holes and hydrogen gas collecting holes are formed in the gas-liquid inlet and outlet area; the polar plate mounting frame is arranged outside the gas-liquid inlet and outlet area in a surrounding mode, and a sealing groove used for mounting a sealing ring is formed in the polar plate frame.
Furthermore, a fool-proof structure is arranged on the outer wall surface of the polar plate mounting frame, and the fool-proof structure is a fool-proof groove formed in the outer edge of the polar plate mounting frame.
Further, the electrolysis area comprises concave-convex structures which are uniformly arranged on the front side and the rear side of the water electrolysis bipolar plate body, and the outer surface of the electrolysis area is sprayed with nickel for treatment.
Furthermore, the concave-convex structure can comprise a convex structure and a concave structure, the convex structure is a hemispherical or conical structure which protrudes outwards from the electrolysis area, the concave structure is a hemispherical or conical structure which is concave inwards from the electrolysis area, and the convex structure and the concave structure are formed by stamping, sand blasting or shot blasting.
Furthermore, a plurality of electrolyte inlets, oxygen gas collecting holes and hydrogen gas collecting holes are uniformly arranged in the gas-liquid inlet and outlet area along the perimeter direction of the water electrolysis bipolar plate body, the oxygen gas collecting holes are connected with the oxygen gas collecting pipe to lead oxygen gas out of the electrolytic bath, and the hydrogen gas collecting holes are connected with the hydrogen gas collecting pipe to lead hydrogen gas out of the electrolytic bath.
Further, the water electrolysis bipolar plate body is circular, rectangular or regular polygonal in shape; the electrolyte inlet, the oxygen gas collecting hole and the hydrogen gas collecting hole are in a circular shape, an oval shape, a waist shape, a rectangular shape or a polygonal shape.
The invention has the beneficial technical effects that: the invention increases the effective contact area of the electrolysis area and the electrolyte, thus improving the hydrogen production efficiency; by additionally arranging the oxygen gas collecting holes and the hydrogen gas collecting holes, the gas escape distance is shortened, the gas leaves the surface of the bipolar plate of the water electrolysis cell is accelerated, the gas content of the electrolyte is reduced, and the electrolysis energy consumption is reduced. The sealing ring is used for sealing, the sealing effect is good, the pressure resistance in the electrolytic cell can be improved, and the influence of bubbles is reduced. And the purposes of improving the electrolysis efficiency, being convenient and fast to install and reducing the cost are realized by reasonably designing the bipolar plate structure of the water electrolysis cell.
Drawings
FIG. 1 is a schematic structural view of a water electrolysis bipolar plate body according to the present invention;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
FIG. 3 is a schematic view showing the structure of a bipolar type water electrolyzer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention is further described with reference to the accompanying drawings and examples.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "inner", "outer", "transverse", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in figure 1, the novel water electrolysis bipolar plate comprises a water electrolysis bipolar plate body 1 with a plate-shaped structure, wherein the water electrolysis bipolar plate body 1 comprises an electrolysis area 2, a gas-liquid inlet and outlet area 3 and a polar plate mounting frame 4 which are sequentially arranged from inside to outside, and the electrolysis area 2 is arranged in the middle of the front side wall and the rear side wall of the water electrolysis bipolar plate body 1; the gas-liquid inlet and outlet area 3 is arranged outside the electrolysis area 2 in a surrounding manner, and a plurality of electrolyte inlets 5, oxygen gas collecting holes and hydrogen gas collecting holes are formed in the gas-liquid inlet and outlet area 3; the polar plate mounting frame 4 is arranged on the outer side of the gas-liquid inlet and outlet area 3 in a surrounding mode, a sealing groove 6 for mounting a sealing ring is arranged in the polar plate mounting frame 4, the sealing groove 6 is arranged on the front side wall and the rear side wall of the water electrolysis bipolar plate body 1 on the same side as the electrolysis area 2, and the sealing groove 6 is used for mounting the sealing ring for connecting and sealing the water electrolysis bipolar plate body 1 and a diaphragm. Be provided with on the outer wall of polar plate installing frame 4 and prevent slow-witted structure 7, should prevent slow-witted structure 7 for seting up the fool-proof recess on the 4 outer fringe of polar plate installing frame, in the production process, through preventing slow-witted structure 7, the staff can discern the installation direction fast, distinguishes that the degree of recognition is high, be difficult for makeing mistakes, improves production efficiency. The water electrolysis bipolar plate body 1 is circular, rectangular or regular polygonal; the electrolyte inlet 5, the oxygen gas collecting hole and the hydrogen gas collecting hole are in circular, oval, waist-shaped, rectangular or polygonal structures. In this embodiment, the water electrolysis bipolar plate body 1 is circular, and the middle parts of the front and rear side walls are provided with circular electrolysis zones 2.
Referring to fig. 1-2, the electrolytic area 2 includes a concave-convex structure uniformly disposed on the front and back sides of the water electrolysis bipolar plate body 1, in this embodiment, the concave-convex structure includes a plurality of convex structures 8 disposed on one side of the water electrolysis bipolar plate body 1 and a plurality of concave structures 9 disposed on the other side, and a layer of metallic nickel is sprayed on the outer surface of the electrolytic area 2. The convex structure 8 is a hemispherical or conical structure protruding out of the electrolysis region, the concave structure 9 is a hemispherical or conical structure recessed in the electrolysis region, and the convex structure 8 and the concave structure 9 are formed by processing such as stamping, sand blasting or shot blasting. Through evagination structure and indent structure, can increase water electrolysis trough bipolar plate specific surface area, and then increased water electrolysis trough bipolar plate and electrolyte effective area of contact, improve the gas production rate, can reduce water electrolysis trough bipolar plate's overall dimension simultaneously to realize water electrolysis trough's miniaturization.
Referring to fig. 1, a plurality of electrolyte inlets 5, oxygen gas collecting holes and hydrogen gas collecting holes are uniformly arranged in the gas-liquid inlet/outlet region along the circumferential direction of the water electrolysis bipolar plate body 1, the oxygen gas collecting holes are connected with an oxygen gas collecting pipe to lead oxygen gas out of the electrolytic bath, and the hydrogen gas collecting holes are connected with a hydrogen gas collecting pipe to lead hydrogen gas out of the electrolytic bath. In the embodiment, the number of the oxygen gas collecting holes and the number of the hydrogen gas collecting holes are increased, so that gas can leave the surface of the water electrolyzer bipolar plate at the shortest distance from a plurality of angles, and the effective contact area of the water electrolyzer bipolar plate and electrolyte is increased; the dissipation and collection speed of hydrogen and oxygen is improved, the gas content of the electrolyte can be effectively reduced, the resistance of the electrolyte is reduced, and the energy consumption of the electrolytic cell is further reduced.
Referring to fig. 3, the bipolar water electrolyzer formed by the water electrolysis bipolar plate body 1 is sealed by an annular sealing ring 10, specifically, two sides of a diaphragm directly contacted with the water electrolysis bipolar plate are provided with grooves, and the annular sealing rings 10 are arranged in the grooves at two sides. When the water electrolysis cell is installed, the anode plate 11, the diaphragm 12, a plurality of groups of water electrolysis bipolar plate body 1-diaphragm 12-water electrolysis bipolar plate body 1 combinations, the diaphragm 12 and the cathode plate 13 are arranged in sequence, and the annular sealing ring 10 is extruded and deformed to fill the whole groove through locking and fixing of the first end plate 14 of the water electrolysis cell and the second end plate 15 of the water electrolysis cell, so that the water electrolysis cell is well sealed, and all sealing parts can be installed reversibly in the water electrolysis cell detaching process.
The invention increases the effective contact area of the electrolysis area and the electrolyte, thereby improving the hydrogen production efficiency; by additionally arranging the oxygen gas collecting holes and the hydrogen gas collecting holes, the gas escape distance is shortened, the gas leaves the surface of the bipolar plate of the water electrolysis cell is accelerated, the gas content of the electrolyte is reduced, and the electrolysis energy consumption is reduced. By using the sealing ring for sealing, the sealing effect is good, the pressure resistance in the electrolytic cell can be improved, and the influence of bubbles is reduced. And the purposes of improving the electrolysis efficiency, being convenient and fast to install and reducing the cost are realized by reasonably designing the bipolar plate structure of the water electrolysis cell.
The specific embodiments described herein are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a novel water electrolysis trough bipolar plate, includes platelike structure's water electrolysis bipolar plate body, its characterized in that: the water electrolysis bipolar plate body comprises an electrolysis region, a gas-liquid inlet and outlet region and a polar plate mounting frame which are sequentially arranged from inside to outside, wherein the electrolysis region is arranged in the middle of the front side wall and the rear side wall of the water electrolysis bipolar plate body; the gas-liquid inlet and outlet area is arranged on the outer side of the electrolysis area in a surrounding manner, and a plurality of electrolyte inlets, oxygen gas collecting holes and hydrogen gas collecting holes are formed in the gas-liquid inlet and outlet area; the polar plate mounting frame is arranged outside the gas-liquid inlet and outlet area in a surrounding mode, and a sealing groove used for mounting a sealing ring is formed in the polar plate mounting frame.
2. The novel bipolar plate for water electrolysers as claimed in claim 1, wherein: be provided with on the outer wall of plate frame and prevent slow-witted structure, should prevent slow-witted structure for seting up the slow-witted recess of preventing on the plate frame outer fringe.
3. A novel bipolar plate for water electrolysers as claimed in claim 2 wherein: the electrolytic area comprises concave-convex structures which are uniformly arranged on the front side and the rear side of the water electrolysis bipolar plate body, and the outer surface of the electrolytic area is sprayed with nickel for treatment.
4. A novel bipolar plate for a water electrolyser as claimed in claim 3 wherein: the electrolyte inlets, the oxygen gas collecting holes and the hydrogen gas collecting holes are uniformly arranged in the gas-liquid inlet and outlet area along the circumferential direction of the water electrolysis bipolar plate body, the oxygen gas collecting holes are connected with the oxygen gas collecting pipe to lead oxygen out of the electrolytic bath, and the hydrogen gas collecting holes are connected with the hydrogen gas collecting pipe to lead hydrogen out of the electrolytic bath.
5. A novel bipolar plate for water electrolysers as claimed in claim 3 wherein: the concave-convex structure is a hemispherical or conical structure and is formed by stamping, sand blasting or shot blasting.
6. The novel bipolar plate for a water electrolyzer of any of claims 1 to 4, wherein: the water electrolysis bipolar plate body is circular, rectangular or regular polygonal; the electrolyte inlet, the oxygen gas collecting hole and the hydrogen gas collecting hole are in a circular shape, an oval shape, a waist shape, a rectangular shape or a polygonal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210085116.4A CN114525535A (en) | 2022-01-25 | 2022-01-25 | Novel water electrolyzer bipolar plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210085116.4A CN114525535A (en) | 2022-01-25 | 2022-01-25 | Novel water electrolyzer bipolar plate |
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| Publication Number | Publication Date |
|---|---|
| CN114525535A true CN114525535A (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210085116.4A Pending CN114525535A (en) | 2022-01-25 | 2022-01-25 | Novel water electrolyzer bipolar plate |
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| Country | Link |
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| CN (1) | CN114525535A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044925A (en) * | 2022-06-17 | 2022-09-13 | 苏州希倍优氢能源科技有限公司 | Preparation method of alkaline electrolysis hydrogen production electrode assembly |
| CN117626311A (en) * | 2023-11-28 | 2024-03-01 | 广东卡沃罗氢科技有限公司 | Bipolar plate, electrolysis cell and electrolysis tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2297453Y (en) * | 1997-03-10 | 1998-11-18 | 苏州市吴县水电解制氢设备公司 | Double electrode board for filter-press type water electrolytic cell |
| CN210104093U (en) * | 2019-04-23 | 2020-02-21 | 江苏博润通科技有限公司 | Fool-proof structure of water electrolysis polar plate |
| CN112458488A (en) * | 2020-10-27 | 2021-03-09 | 中国船舶重工集团公司第七一八研究所 | Water-cooled electrolytic cell polar plate |
| CN114574887A (en) * | 2022-03-17 | 2022-06-03 | 阳光氢能科技有限公司 | Electrolytic cell polar plate and electrolytic cell |
-
2022
- 2022-01-25 CN CN202210085116.4A patent/CN114525535A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2297453Y (en) * | 1997-03-10 | 1998-11-18 | 苏州市吴县水电解制氢设备公司 | Double electrode board for filter-press type water electrolytic cell |
| CN210104093U (en) * | 2019-04-23 | 2020-02-21 | 江苏博润通科技有限公司 | Fool-proof structure of water electrolysis polar plate |
| CN112458488A (en) * | 2020-10-27 | 2021-03-09 | 中国船舶重工集团公司第七一八研究所 | Water-cooled electrolytic cell polar plate |
| CN114574887A (en) * | 2022-03-17 | 2022-06-03 | 阳光氢能科技有限公司 | Electrolytic cell polar plate and electrolytic cell |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044925A (en) * | 2022-06-17 | 2022-09-13 | 苏州希倍优氢能源科技有限公司 | Preparation method of alkaline electrolysis hydrogen production electrode assembly |
| CN117626311A (en) * | 2023-11-28 | 2024-03-01 | 广东卡沃罗氢科技有限公司 | Bipolar plate, electrolysis cell and electrolysis tank |
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Address after: 799 Xiangfu Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province Applicant after: Hang Yang Group Co.,Ltd. Address before: 799 Xiangfu Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou oxygen generator group Co.,Ltd. |
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Application publication date: 20220524 |