CN117476984A - Cold well type fuel cell hydrogen water diversion architecture, fuel cell system and vehicle - Google Patents
Cold well type fuel cell hydrogen water diversion architecture, fuel cell system and vehicle Download PDFInfo
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- CN117476984A CN117476984A CN202210863016.XA CN202210863016A CN117476984A CN 117476984 A CN117476984 A CN 117476984A CN 202210863016 A CN202210863016 A CN 202210863016A CN 117476984 A CN117476984 A CN 117476984A
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- hydrogen
- fuel cell
- gas
- water
- architecture
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 239000001257 hydrogen Substances 0.000 title claims abstract description 117
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 117
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 239000000446 fuel Substances 0.000 title claims abstract description 72
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04111—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants using a compressor turbine assembly
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
- H01M8/04164—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal by condensers, gas-liquid separators or filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- 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
- Y02E60/50—Fuel cells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention relates to the technical field of fuel cells, in particular to a cold well type fuel cell hydrogen water diversion architecture which comprises a fuel cell, a gas-water separator, an opening control valve, a hydrogen circulating pump and a connecting pipeline, wherein cold hydrogen from water-containing hydrogen and a hydrogen inlet valve which are removed from the reaction of the fuel cell enter the gas-water separator through the connecting pipeline respectively, the opening control valve comprises a hydrogen inlet valve and a drain valve which are used for controlling the flow of hydrogen in the hydrogen flow passage of the connecting pipeline, and the cold well type fuel cell hydrogen diversion architecture further comprises a controller which is used for controlling the hydrogen inlet valve and the drain valve through wired communication connection respectively. According to the hydrogen water diversion architecture of the cold well type fuel cell, warm hydrogen and cold hydrogen are mixed, condensed water can be directly separated from a water diversion piece, and liquid water condensed after mixed flow is prevented from entering the fuel cell. And by introducing cold hydrogen into the water separator, the integration level of the system can be further improved.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a hydrogen water diversion architecture of a cold well type fuel cell, a fuel cell system and a vehicle.
Background
Hydrogen energy is a green energy source, and hydrogen energy proton exchange membrane fuel cells have been widely used in the fields of transportation vehicles, buses, ships, underwater vehicles, spacecraft, energy storage industry and the like. Proton exchange membrane fuel cells have many advantages over other electrical energy source type technologies, including short start-up time, small system volume, low pollutant emissions, relatively high system efficiency, low noise levels, and the like. In the proton exchange membrane fuel cell system for vehicles, pure hydrogen is generally used as a power generation fuel, and hydrogen gas which is not sufficiently used is discharged to the atmosphere together with impurity gas. However, in order to obtain the maximum power generation efficiency of the fuel cell power system and to secure the safe use condition of the fuel cell power system, it is required that the system should consume as little fuel as possible at a given output power and should minimize the emission of hydrogen to the external environment.
Currently, hydrogen fuel cell stacks are gradually developed to high power, and in order to increase the utilization rate and self-humidification of hydrogen, a technical route of the fuel cell generally adopts a hydrogen reflux mode. In the medium discharged by the galvanic pile in the operation process, a large amount of liquid water and gaseous water are also present besides hydrogen, and in order to avoid that excessive liquid water in the air flow flows back into the galvanic pile, the single-chip water shutoff performance is poor, irreversible service life damage is caused for a long time, and a water diversion scheme is required to be designed in a return flow path.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the cold well type fuel cell hydrogen water diversion architecture solves the problem that cold and hot hydrogen are mixed to generate condensed water to enter a stack in the problem that the fuel cell generates liquid water.
In order to solve the technical problems, the invention adopts the following technical scheme:
the cold well type fuel cell hydrogen water diversion architecture comprises a fuel cell, a gas-water separator, an opening control valve, a hydrogen circulating pump and a connecting pipeline, wherein cold hydrogen from water-containing hydrogen and a hydrogen inlet valve which are removed from the reaction of the fuel cell respectively enter the gas-water separator through the connecting pipeline, and the opening control valve comprises a hydrogen inlet valve and a drain valve which control the flow rate of hydrogen flowing in a hydrogen flow passage of the connecting pipeline;
the hydrogen outlet of the fuel cell is connected with the port a of the gas-water separator;
the outlet of the hydrogen gas inlet valve is connected with the port b of the gas-water separator;
an inlet of a hydrogen circulation pump is connected to the gas-water separator, and an outlet is connected to an inlet of the fuel cell, the hydrogen circulation pump being configured to recirculate exhaust gas including hydrogen from the fuel cell stack through a hydrogen recirculation path;
the drain valve is installed below the gas-water separator.
Further, the cold well type fuel cell hydrogen water diversion architecture also comprises a controller which is connected with and controls a hydrogen inlet valve and a water outlet valve through wired communication respectively.
Furthermore, the hydrogen gas inlet valve and the drain valve are direct-acting electromagnetic valves.
Further, the hydrogen circulation pump includes a pump mechanism and a motor mechanism configured to drive the pump mechanism.
Further, the hydrogen circulation pump further includes a housing accommodating the pump mechanism and the motor mechanism.
Further, the housing has a junction portion in the housing that joins the hydrogen recirculation passage and the connection-line hydrogen flow passage.
Further, the hydrogen circulation pump has a temperature sensor configured to detect the temperature of the exhaust gas flowing in the internal circulation path.
In order to solve the technical problems, the invention adopts another technical scheme that:
a fuel cell system comprises the cold well type fuel cell hydrogen water diversion structure.
In order to solve the technical problems, the invention adopts another technical scheme that:
a vehicle comprising a fuel cell system as described above.
The invention has the beneficial effects that: according to the cold well type fuel cell hydrogen water diversion architecture, warm hydrogen and cold hydrogen are mixed, condensed water can be directly separated from the water diversion piece, liquid water condensed after mixed flow is prevented from entering the fuel cell, and the integration level of the system can be further improved by introducing the cold hydrogen into the water diversion device.
Drawings
FIG. 1 is a schematic diagram of a hydrogen water separation architecture of a cold well fuel cell according to the present invention;
description of the reference numerals: 1. a fuel cell; 2. a gas-water separator; 3. a hydrogen gas inlet valve; 4. a drain valve; 5. and a hydrogen circulation pump.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1, a hydrogen water diversion architecture of a cold well type fuel cell 1 includes a fuel cell 1, a gas-water separator 2, an opening control valve, a hydrogen circulation pump 5 and a connecting pipeline, wherein cold hydrogen from a water-containing hydrogen gas and a hydrogen inlet valve 3 which are removed from the reaction of the fuel cell 1 enter the gas-water separator 2 through the connecting pipeline respectively, and the opening control valve includes a hydrogen inlet valve and a drain valve 4 which control the flow of hydrogen in a hydrogen flow path of the connecting pipeline;
the hydrogen outlet of the fuel cell 1 is connected with the port a of the gas-water separator 2;
the outlet of the hydrogen gas inlet valve 3 is connected with the port b of the gas-water separator 2;
an inlet of the hydrogen circulation pump 5 is connected to the gas-water separator 2, an outlet is connected to an inlet of the fuel cell 1, and the hydrogen circulation pump 5 is configured to recirculate exhaust gas including hydrogen from the stack of the fuel cell 1 through a hydrogen recirculation path;
a drain valve 4 is installed below the gas-water separator 2.
In order to solve the technical problems, the invention adopts another technical scheme that:
a fuel cell 1 system includes a cold well fuel cell 1 hydrogen water diversion architecture as described above.
In order to solve the technical problems, the invention adopts another technical scheme that:
a vehicle comprising a fuel cell 1 system as described above.
Example 1
The cold well type fuel cell 1 hydrogen water diversion architecture comprises a fuel cell 1, a gas-water separator 2, an opening control valve, a hydrogen circulating pump 5 and a connecting pipeline, wherein cold hydrogen from water-containing hydrogen and a hydrogen inlet valve 3 which are removed by reaction of the fuel cell 1 enter the gas-water separator 2 through the connecting pipeline respectively, and the opening control valve comprises a hydrogen inlet valve 3 and a drain valve 4 which control the flow rate of hydrogen flowing in a hydrogen flow path of the connecting pipeline;
the hydrogen outlet of the fuel cell 1 is connected with the port a of the gas-water separator 2;
the outlet of the hydrogen gas inlet valve 3 is connected with the port b of the gas-water separator 2;
an inlet of the hydrogen circulation pump 5 is connected to the gas-water separator 2, an outlet is connected to an inlet of the fuel cell 1, and the hydrogen circulation pump 5 is configured to recirculate exhaust gas including hydrogen from the stack of the fuel cell 1 through a hydrogen recirculation path;
a drain valve 4 is installed below the gas-water separator 2.
Further, the hydrogen water diversion architecture of the cold well type fuel cell 1 further comprises a controller, and the controller is connected with and controls the hydrogen inlet valve 3 and the drain valve 4 through wired communication respectively.
Further, the hydrogen gas inlet valve 3 and the drain valve 4 are direct-acting solenoid valves.
Example two
The hydrogen water diversion architecture of the cold well type fuel cell 1 is the same as the first embodiment and will not be described again, wherein
The hydrogen circulation pump 5 has a pump mechanism and a motor mechanism configured to drive the pump mechanism.
Further, the hydrogen circulation pump 5 further includes a housing accommodating the pump mechanism and the motor mechanism.
Further, the housing has a junction portion in the housing that joins the hydrogen recirculation passage and the connection-line hydrogen flow passage.
Further, the hydrogen circulation pump 5 has a temperature sensor configured to detect the temperature of the exhaust gas flowing in the internal circulation path.
The utility model provides a cold well formula fuel cell 1 hydrogen water diversion framework through mixing warm hydrogen and cold hydrogen, and the water of condensation can directly be got rid of from the water diversion spare, avoids the liquid water of mixed flow back condensation to get into fuel cell 1.
And by introducing cold hydrogen into the water separator, the integration level of the system can be further improved.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (9)
1. The cold well type fuel cell hydrogen water diversion architecture is characterized by comprising a fuel cell, a gas-water separator, an opening control valve, a hydrogen circulating pump and a connecting pipeline, wherein cold hydrogen from water-containing hydrogen and a hydrogen inlet valve which are removed from the reaction of the fuel cell respectively enter the gas-water separator through the connecting pipeline, and the opening control valve comprises a hydrogen inlet valve and a drain valve which control the flow rate of hydrogen in a hydrogen flow path of the connecting pipeline;
the hydrogen outlet of the fuel cell is connected with the port a of the gas-water separator;
the outlet of the hydrogen gas inlet valve is connected with the port b of the gas-water separator;
an inlet of the hydrogen circulation pump is connected to the gas-water separator, and an outlet is connected to an inlet of the fuel cell, the hydrogen circulation pump being configured to recirculate exhaust gas including hydrogen from the fuel cell stack through the hydrogen recirculation path;
the drain valve is installed below the gas-water separator.
2. The cold-well fuel cell hydrogen water diversion architecture of claim 1, further comprising a controller that controls the hydrogen inlet valve and the drain valve via wired communication connections, respectively.
3. The hydrogen separator structure of claim 2, wherein the hydrogen inlet valve and the hydrogen outlet valve are direct-acting solenoid valves.
4. A cold well fuel cell hydrogen gas water splitting architecture as defined in claim 1, wherein said hydrogen circulation pump has a pump mechanism, a motor mechanism configured to drive said pump mechanism.
5. A cold well fuel cell hydrogen gas water splitting architecture as defined in claim 1, wherein said hydrogen circulation pump further comprises a housing said pump mechanism and said motor mechanism.
6. The hydrogen separation architecture for a cold well fuel cell of claim 5, wherein the housing has a junction in the housing that joins the hydrogen recirculation path to the connecting line hydrogen flow path.
7. The hydrogen separation architecture for a cold well fuel cell of claim 6, wherein the hydrogen circulation pump has a temperature sensor configured to detect a temperature of exhaust gas flowing in the internal circulation path.
8. A fuel cell system comprising a cold well fuel cell hydrogen gas water splitting architecture according to any one of claims 1-7.
9. A vehicle comprising the fuel cell system according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210863016.XA CN117476984A (en) | 2022-07-21 | 2022-07-21 | Cold well type fuel cell hydrogen water diversion architecture, fuel cell system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210863016.XA CN117476984A (en) | 2022-07-21 | 2022-07-21 | Cold well type fuel cell hydrogen water diversion architecture, fuel cell system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117476984A true CN117476984A (en) | 2024-01-30 |
Family
ID=89635233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210863016.XA Pending CN117476984A (en) | 2022-07-21 | 2022-07-21 | Cold well type fuel cell hydrogen water diversion architecture, fuel cell system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117476984A (en) |
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2022
- 2022-07-21 CN CN202210863016.XA patent/CN117476984A/en active Pending
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