CN115821300A - Electrolytic cell device for water electrolysis hydrogen production by proton exchange membrane - Google Patents
Electrolytic cell device for water electrolysis hydrogen production by proton exchange membrane Download PDFInfo
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- CN115821300A CN115821300A CN202211493673.6A CN202211493673A CN115821300A CN 115821300 A CN115821300 A CN 115821300A CN 202211493673 A CN202211493673 A CN 202211493673A CN 115821300 A CN115821300 A CN 115821300A
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- 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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Abstract
The invention relates to a water electrolysis hydrogen production electrolytic tank device with a proton exchange membrane, which comprises a shell, an electrolysis galvanic pile, a hydrogen output unit and an oxygen output unit, wherein the shell is provided with an electrolyzed water inlet joint and an electrolyzed water outlet joint; the electrolytic cell stack is arranged in the shell and is directly contacted with the electrolytic water in the shell; one end of the hydrogen output unit is connected with the electrolysis galvanic pile, and the other end of the hydrogen output unit penetrates through the shell and is connected with an external hydrogen storage device; one end of the oxygen output unit is connected with the electrolysis galvanic pile, and the other end of the oxygen output unit penetrates through the shell and is connected with an external oxygen storage device. Compared with the prior art, the electrolytic water in the shell directly participates in the reaction through the anode of the electrolytic cell, so that the contact of the anode relative to the outside environment is saved, and the additional sealing is not needed; in addition, the pressure difference of the cathode air chamber of the water electrolyzer relative to the interior of the shell is reduced, so that the requirement on the sealing material of the water electrolyzer can be reduced.
Description
Technical Field
The invention relates to the field of PEM hydrogen production, in particular to an electrolytic cell device for producing hydrogen by water electrolysis of an proton exchange membrane.
Background
The pressure range of the hydrogen outlet of the PEM hydrogen production water electrolyzer is 0-3.5 MPag, the pressure range of the electrolyzed water inlet and outlet is 0-1.5 MPag, the existing water electrolyzer is placed in a normal temperature environment, so that the water electrolyzer has higher pressure difference relative to the environment, and the pressure difference between a cathode gas chamber and the environment can reach 3.5MPa to the maximum. The maximum pressure difference between the anode air chamber and the environment can reach 1.5MPa.
PEM hydrogen production has very high requirements on sealing materials of water electrolyzers, and the existing materials have fewer types and high price, which restrict the cost and commercial application range of the water electrolyzers. The cost of sealing structures and sealing materials in PEM hydrogen production equipment is high, and industrial popularization in the field is limited.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the electrolytic cell device for producing hydrogen by electrolyzing water by the proton exchange membrane, the electrolytic water in the shell is directly injected into the anode of the electrolytic cell, and the anode of the electrolytic cell does not need to be additionally sealed; in addition, the pressure difference of the cathode air chamber of the water electrolyzer relative to the interior of the shell is reduced, so that the requirement on the sealing material of the water electrolyzer can be reduced.
The purpose of the invention can be realized by the following technical scheme:
as a first embodiment of the present invention, a proton exchange membrane water electrolysis hydrogen production electrolyzer apparatus a includes:
the electrolytic water inlet connector and the electrolytic water outlet connector are arranged on the shell;
the electrolytic cell stack is arranged inside the shell and is directly contacted with the electrolytic water in the shell;
one end of the hydrogen output unit is connected with the electrolysis galvanic pile, and the other end of the hydrogen output unit penetrates through the shell and is connected with an external hydrogen storage device;
and one end of the oxygen output unit is connected with the electrolytic cell stack, and the other end of the oxygen output unit penetrates through the shell and is connected with an external oxygen storage device.
Furthermore, the hydrogen output unit comprises a plurality of pipelines respectively connected with hydrogen output ports on the electrolysis cell stack.
Further, the hydrogen output unit also comprises a multi-way connector, and the multi-way connector collects and conveys a plurality of strands of collected hydrogen to an external hydrogen storage device.
Furthermore, the hydrogen output unit also comprises a plurality of hydrogen pipe joints arranged on the shell, one end of each hydrogen pipe joint is connected with a hydrogen output port on the electrolysis cell pile through a pipeline, and the other end of each hydrogen pipe joint is connected with the multi-way joint through a pipeline.
Furthermore, the oxygen output unit comprises an oxygen pipe joint arranged on the shell, one end of the oxygen pipe joint is connected with an oxygen output port on the electrolysis cell stack through a pipeline, and the other end of the oxygen pipe joint is connected with an external oxygen storage device through a pipeline.
Furthermore, electromagnetic valves are arranged on the electrolyzed water inlet connector and the electrolyzed water outlet connector, and the flow rates of the electrolyzed water inlet connector and the electrolyzed water outlet connector are adjusted through the opening degrees of the electromagnetic valves, so that the liquid level control in the shell is realized.
As a second embodiment of the present invention, a proton exchange membrane water electrolysis hydrogen production electrolytic cell apparatus B includes:
the electrolytic water separator comprises a shell, wherein an electrolytic water inlet connector and an electrolytic water outlet connector are arranged on the shell, and the electrolytic water outlet connector is connected with an external gas-liquid separation device;
the electrolytic cell stack is arranged in the shell and is directly contacted with the electrolytic water in the shell, and an oxygen outlet of the electrolytic cell stack directly discharges the generated oxygen to the outside and outputs the oxygen through an electrolytic water outlet joint;
and one end of the hydrogen output unit is connected with the electrolysis galvanic pile, and the other end of the hydrogen output unit penetrates through the shell and is connected with an external hydrogen storage device.
Furthermore, the hydrogen output unit comprises a plurality of pipelines respectively connected with hydrogen output ports on the electrolysis cell stack;
the hydrogen output unit also comprises a multi-way connector, and the multi-way connector collects and conveys a plurality of strands of collected hydrogen to an external hydrogen storage device.
Furthermore, the hydrogen output unit also comprises a plurality of hydrogen pipe joints arranged on the shell, one end of each hydrogen pipe joint is connected with a hydrogen output port on the electrolysis cell pile through a pipeline, and the other end of each hydrogen pipe joint is connected with the multi-way joint through a pipeline.
Furthermore, electromagnetic valves are arranged on the electrolyzed water inlet connector and the electrolyzed water outlet connector, and the flow rates of the electrolyzed water inlet connector and the electrolyzed water outlet connector are adjusted through the opening degrees of the electromagnetic valves, so that the liquid level control in the shell is realized.
Compared with the prior art, the invention has the following technical advantages:
1. this technical scheme has realized hydraulic application through the direct injection of brineelectrolysis in the casing, and through the direct injection cell positive pole of brineelectrolysis in the casing, the cell positive pole need not extra sealed, has reduced the pressure differential of water electrolysis cell negative pole air chamber for the casing is inside simultaneously to can reduce the requirement to the cell sealing material, can choose for use and satisfy requirement and low cost's sealing material.
2. The technical scheme does not need to arrange an electrolytic water inlet and outlet on the electrolytic cell stack, and the electrolytic cell has a simple structure.
3. According to the technical scheme, the electrolytic galvanic pile is immersed in electrolytic water, the pressure of a hydrogen gas chamber of the electrolytic galvanic pile can be balanced by adjusting the water pressure of the inlet and outlet shell, and the service life of the sealing element is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of an electrolytic cell device a for hydrogen production by water electrolysis with proton exchange membrane in the technical scheme.
Fig. 2 is a schematic structural diagram of an electrolytic cell device B for hydrogen production by water electrolysis with proton exchange membranes in the technical scheme.
In the figure: 10 a shell; 101 an electrolytic water inlet joint; 102 an electrolyzed water outlet connection; 103 oxygen gas pipe joint; 104 an oxygen line; 106 a hydrogen gas circuit; 107 hydrogen gas pipe joints; 108, a tee joint; 20 electrolyzing the electric pile; 201 electrolytic cell reactor zone; 30 electrolyzing the water.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. In the technical scheme, the features such as component model, material name, connection structure, control method, algorithm and the like which are not explicitly described are all regarded as common technical features disclosed in the prior art.
Example 1
Referring to fig. 1, the electrolytic cell in the present technical solution is composed of a housing 10, an electrolysis cell stack 20, a hydrogen output unit, and an oxygen output unit.
An electrolyzed water inlet connector 101 and an electrolyzed water outlet connector 102 are arranged on the shell 10; an electrolysis cell stack 20 is provided inside the housing 10, the electrolysis cell stack 20 being in direct contact with the electrolyzed water 30 in the housing 10.
One end of the hydrogen output unit is connected to the electrolysis cell stack 20, and the other end penetrates through the casing 10 and is connected to an external hydrogen storage device. The hydrogen output unit comprises a plurality of pipelines respectively connected with hydrogen output ports on the electrolysis electric pile 20. The hydrogen output unit also comprises a multi-way connector, and the multi-way connector collects and conveys a plurality of strands of collected hydrogen to an external hydrogen storage device. The hydrogen output unit further comprises a plurality of hydrogen pipe joints 107 arranged on the shell 10, one end of each hydrogen pipe joint 107 is connected with a hydrogen output port on the electrolysis cell stack 20 through a pipeline, and the other end of each hydrogen pipe joint is connected with the multi-way joint through a pipeline.
One end of the oxygen output unit is connected with the electrolysis cell stack 20, and the other end penetrates through the shell 10 and is connected with an external oxygen storage device. The oxygen output unit comprises an oxygen pipe joint 103 arranged on the shell 10, one end of the oxygen pipe joint 103 is connected with an oxygen output port on the electrolysis cell stack 20 through a pipeline, and the other end of the oxygen pipe joint is connected with an external oxygen storage device through a pipeline.
Electromagnetic valves are arranged on the electrolyzed water inlet connector 101 and the electrolyzed water outlet connector 102, and the flow rates of the electrolyzed water inlet connector 101 and the electrolyzed water outlet connector 102 are adjusted through the opening degrees of the electromagnetic valves, so that the liquid level control in the shell 10 is realized.
Therefore, the technical scheme realizes the application of water pressure through the direct injection of the electrolytic water in the shell, reduces the pressure difference of the cathode air chamber of the water electrolyzer relative to the interior of the shell, and can reduce the requirement on the sealing material of the water electrolyzer. The electrolytic cell does not need to be provided with an electrolytic water inlet and an electrolytic water outlet, and has a simple structure. According to the technical scheme, the electrolytic galvanic pile is immersed in electrolytic water, the pressure of a hydrogen gas chamber of the electrolytic galvanic pile can be balanced by adjusting the water pressure of the inlet and outlet shell, and the service life of the sealing element is prolonged.
In operation, the electrolytic cell is disposed in the housing 10 and immersed in electrolytic water, and external electrolytic water flows into the housing 10 through the inlet connector 101 and flows out through the electrolytic cell reaction area (anode flow channel) from the outlet connector 102. During the process, hydrogen generated by the cathode of the electrolysis pile is output to the hydrogen storage device through the joint 107, the tee joint 108 and the hydrogen pipeline 106. When the electrolyzed water passes through the anode of the electrolysis cell stack, oxygen is generated at the anode and is output to the oxygen storage device through the oxygen pipe joint 103 and the oxygen pipe 104.
Example 2
Referring to fig. 2, the proton exchange membrane water electrolysis hydrogen production electrolyzer apparatus B provided in this embodiment includes a housing 10, an electrolysis cell stack 20, and a hydrogen output unit.
The shell 10 is provided with an electrolyzed water inlet connector 101 and an electrolyzed water outlet connector 102, and the electrolyzed water outlet connector 102 is connected with an external gas-liquid separation device.
The electrolytic cell stack 20 is arranged inside the shell 10, the electrolytic cell stack 20 is in direct contact with the electrolyzed water 30 in the shell 10, an oxygen outlet of the electrolytic cell stack 20 directly discharges the generated oxygen to the outside, and the oxygen is output through an electrolyzed water outlet connector 102; one end of the hydrogen output unit is connected with the electrolysis electric pile 20, and the other end of the hydrogen output unit penetrates through the shell 10 and is connected with an external hydrogen storage device.
When the electrolytic water fills the entire casing, oxygen and electrolytic water are simultaneously discharged through the electrolytic water outlet 102 and the pipe 103, and then gas-liquid separation is performed.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. An electrolytic cell device A for hydrogen production by water electrolysis of proton exchange membranes is characterized by comprising:
the electrolytic water purifier comprises a shell (10), wherein an electrolytic water inlet connector (101) and an electrolytic water outlet connector (102) are arranged on the shell (10);
the electrolytic cell stack (20) is arranged inside the shell (10), and the electrolytic cell stack (20) is in direct contact with the electrolytic water (30) in the shell (10);
one end of the hydrogen output unit is connected with the electrolysis electric pile (20), and the other end of the hydrogen output unit penetrates through the shell (10) and is connected with an external hydrogen storage device;
and one end of the oxygen output unit is connected with the electrolysis galvanic pile (20), and the other end of the oxygen output unit penetrates through the shell (10) and is connected with an external oxygen storage device.
2. The electrolyzer device A for the electrolytic production of hydrogen by water electrolysis of proton exchange membrane according to claim 1, characterized in that the hydrogen output unit comprises a plurality of pipelines respectively connected with hydrogen output ports on the electrolysis cell stack (20).
3. The device A for the electrolytic cell for the hydrogen production by the water electrolysis of the proton exchange membrane according to claim 2, wherein the hydrogen output unit further comprises a multi-way joint, and the multi-way joint collects and conveys a plurality of strands of collected hydrogen to an external hydrogen storage device.
4. The electrolyzer device A for the hydrogen production by water electrolysis of proton exchange membrane according to claim 2, characterized in that the hydrogen output unit further comprises a plurality of hydrogen pipe joints (107) arranged on the housing (10), one end of the hydrogen pipe joint (107) is connected with the hydrogen output port on the electrolysis cell stack (20) through a pipeline, and the other end is connected with the multi-way joint through a pipeline.
5. The electrolytic cell device A for producing hydrogen by water electrolysis with proton exchange membrane as claimed in claim 1, wherein the oxygen output unit comprises an oxygen pipe joint (103) arranged on the housing (10), one end of the oxygen pipe joint (103) is connected with an oxygen output port on the electrolysis cell stack (20) through a pipeline, and the other end is connected with an external oxygen storage device through a pipeline.
6. The electrolyzer device A for the water electrolysis and hydrogen production by proton exchange membrane according to claim 1, characterized in that the inlet joint (101) and the outlet joint (102) of the electrolyzed water are provided with electromagnetic valves, and the flow rates of the inlet joint (101) and the outlet joint (102) of the electrolyzed water are adjusted by the opening degrees of the electromagnetic valves, so as to realize the liquid level control in the shell (10).
7. An electrolytic cell device B for hydrogen production by water electrolysis of proton exchange membranes is characterized by comprising:
the electrolytic water purifier comprises a shell (10), wherein an electrolytic water inlet connector (101) and an electrolytic water outlet connector (102) are arranged on the shell (10), and the electrolytic water outlet connector (102) is connected with an external gas-liquid separation device;
the electrolytic cell stack (20) is arranged inside the shell (10), the electrolytic cell stack (20) is directly contacted with the electrolytic water (30) in the shell (10), an oxygen outlet of the electrolytic cell stack (20) directly discharges the generated oxygen to the outside, and the oxygen is output through an electrolytic water outlet connector (102);
and one end of the hydrogen output unit is connected with the electrolysis electric pile (20), and the other end of the hydrogen output unit penetrates through the shell (10) and is connected with an external hydrogen storage device.
8. The electrolytic cell device B for hydrogen production by water electrolysis of proton exchange membrane according to claim 7, wherein the hydrogen output unit comprises a plurality of pipelines respectively connected with hydrogen output ports on the electrolysis pile (20);
the hydrogen output unit also comprises a multi-way connector, and the multi-way connector collects and conveys a plurality of strands of collected hydrogen to an external hydrogen storage device.
9. The device B for producing hydrogen by electrolyzing proton exchange membrane water as claimed in claim 7, wherein said hydrogen output unit further comprises a plurality of hydrogen pipe joints (107) disposed on the housing (10), one end of said hydrogen pipe joint (107) is connected to the hydrogen output port of the electrolysis cell stack (20) through a pipeline, and the other end is connected to the multi-way joint through a pipeline.
10. The device B for electrolyzing hydrogen by proton exchange membrane water as claimed in claim 7, wherein the inlet joint (101) and the outlet joint (102) of electrolyzed water are provided with electromagnetic valves, and the flow rates of the inlet joint (101) and the outlet joint (102) of electrolyzed water are adjusted by the opening degrees of the electromagnetic valves, so as to realize the liquid level control in the shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211493673.6A CN115821300A (en) | 2022-11-25 | 2022-11-25 | Electrolytic cell device for water electrolysis hydrogen production by proton exchange membrane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211493673.6A CN115821300A (en) | 2022-11-25 | 2022-11-25 | Electrolytic cell device for water electrolysis hydrogen production by proton exchange membrane |
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| CN115821300A true CN115821300A (en) | 2023-03-21 |
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| CN202211493673.6A Pending CN115821300A (en) | 2022-11-25 | 2022-11-25 | Electrolytic cell device for water electrolysis hydrogen production by proton exchange membrane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT526232B1 (en) * | 2023-05-17 | 2024-01-15 | Andritz Ag Maschf | Electrolysis cell and electrolysis device with an electrolysis cell |
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2022
- 2022-11-25 CN CN202211493673.6A patent/CN115821300A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT526232B1 (en) * | 2023-05-17 | 2024-01-15 | Andritz Ag Maschf | Electrolysis cell and electrolysis device with an electrolysis cell |
| AT526232A4 (en) * | 2023-05-17 | 2024-01-15 | Andritz Ag Maschf | Electrolysis cell and electrolysis device with an electrolysis cell |
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