CN110350227B - Fuel cell end plate with hydrogen-water separation function - Google Patents
Fuel cell end plate with hydrogen-water separation function Download PDFInfo
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- CN110350227B CN110350227B CN201910737091.XA CN201910737091A CN110350227B CN 110350227 B CN110350227 B CN 110350227B CN 201910737091 A CN201910737091 A CN 201910737091A CN 110350227 B CN110350227 B CN 110350227B
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- hydrogen
- fuel cell
- end plate
- cell end
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- 239000000446 fuel Substances 0.000 title claims abstract description 129
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000000926 separation method Methods 0.000 title claims abstract description 12
- 239000001257 hydrogen Substances 0.000 claims abstract description 179
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 179
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 152
- 210000004027 cell Anatomy 0.000 claims abstract description 113
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 32
- 210000000170 cell membrane Anatomy 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 23
- 239000000110 cooling liquid Substances 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 8
- 238000005315 distribution function Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract description 5
- 230000008093 supporting effect Effects 0.000 abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000007599 discharging Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
-
- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0438—Pressure; Ambient pressure; Flow
- H01M8/04388—Pressure; Ambient pressure; Flow of anode reactants at the inlet or inside the fuel cell
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/2483—Details of groupings of fuel cells characterised by internal manifolds
-
- 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
Abstract
The invention discloses a fuel cell end plate with a hydrogen-water separation function, which comprises a fuel cell membrane electrode, wherein the fuel cell end plate is fixedly connected to the right side of the fuel cell membrane electrode, a connecting pipe is communicated with the bottom of the right side of the fuel cell end plate, a hydrogen inlet pressure sensor is fixedly connected to the top of an inner cavity of the connecting pipe, a hydrogen supply device is communicated to the right end of the connecting pipe, and a hydrogen circulating pump is communicated to the top of the connecting pipe through a pipeline. According to the invention, the drain valve, the hydrogen discharge valve and the hydrogen outlet pressure sensor are directly connected with the fuel cell end plate through the bolts, so that the system volume can be reduced, the power density can be improved, the fuel cell end plate is used as a support piece for compressing a galvanic pile, the design and processing of the spare area of the end plate are realized on the premise that the supporting effect of the end plate on the galvanic pile is not reduced, the water separator and the connecting pipeline on the fuel cell system can be reduced, and the integration level of the system is improved.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a fuel cell end plate with a hydrogen-water separation function.
Background
The stack produces water on the cathode side (air side) by electrochemical reaction while the fuel cell system is in operation, and the water on the cathode side permeates to the anode side due to concentration difference steps, so that the fuel cell anode side (hydrogen side) is discharged with hydrogen and liquid water.
In order to improve the hydrogen utilization rate of the fuel cell, a hydrogen circulation mode is generally adopted at present, but liquid water needs to be separated to avoid that the liquid water circulates to enter an anode inlet of a galvanic pile to block an anode hydrogen flow passage and the surface of a catalytic layer, so that the anode passage is partially flooded and underinflated, and the fuel cell is damaged.
The hydrogen circulation needs to be carried out at the same time, and the method is mainly used for discharging nitrogen diffused by the cathode side due to concentration difference steps and membrane leakage so as to improve the reaction concentration of the anode hydrogen.
In the field of vehicle fuel cells, a hydrogen outlet of a galvanic pile is connected with a water separator to separate liquid water in hydrogen, the liquid water is discharged by using an electromagnetic valve, and the hydrogen passing through the water separator enters a hydrogen inlet of the galvanic pile through a circulating device to be recycled.
In a general vehicle fuel cell system, a galvanic pile is connected with a water separator through a pipeline, the water separator is connected with a drain valve and a hydrogen discharge valve through pipelines, the water separator is connected with a hydrogen circulating device through pipelines, and the water separator and a connecting pipeline occupy part of the space of the system, so that the integration level is low.
Disclosure of Invention
The invention aims to provide a fuel cell end plate with a hydrogen-water separation function, which has the advantage of convenient use and solves the problem of inconvenient use of a fuel cell for a vehicle.
In order to achieve the above purpose, the present invention provides the following technical solutions: the fuel cell end plate with the function of collecting hydrogen and water comprises a fuel cell membrane electrode, wherein the right side of the fuel cell membrane electrode is fixedly connected with a fuel cell end plate, the bottom of the right side of the fuel cell end plate is communicated with a connecting pipe, the top of an inner cavity of the connecting pipe is fixedly connected with a hydrogen inlet pressure sensor, the right end of the connecting pipe is communicated with hydrogen supply equipment, the top of the connecting pipe is communicated with a hydrogen circulating pump through a pipeline, and the left side of the hydrogen circulating pump is communicated with the right side of the fuel cell end plate through a pipeline;
the fuel cell end plate comprises a cooling liquid inlet, a membrane electrode hydrogen outlet, a drain valve, a flow passage baffle plate, an air inlet, a hydrogen discharge valve, an end plate hydrogen outlet, a hydrogen outlet pressure sensor, a hydrogen inlet, a cooling liquid outlet and an air outlet.
Preferably, the drain valve, the hydrogen discharge valve and the hydrogen outlet pressure sensor are all movably connected with the fuel cell end plate through bolts.
Preferably, the top and the bottom of the inner cavity of the fuel cell end plate are fixedly connected with electric heating wires, and the electric heating wires are respectively positioned at the bottom of the drain valve and the top of the hydrogen discharge valve.
Preferably, the hydrogen outlet flow passage in the fuel cell end plate is in a C shape, and the flow passage baffle plate is arranged in the hydrogen outlet flow passage.
Preferably, the fuel cell end plate has integrated therein a hydrogen path water separation device, while integrating a hydrogen path drain valve, a hydrogen discharge valve, and a pressure sensor on the end plate.
Preferably, the residual hydrogen, gaseous water and liquid water reacted by the hydrogen path of the fuel cell are separated in the fuel cell end plate, and the liquid water is stored at the bottom of the flow channel inner cavity of the fuel cell end plate.
Preferably, the residual hydrogen and gaseous water flow upwardly through the fuel cell end plate flow passages from the fuel cell end plate hydrogen outlet to the recirculation loop.
Preferably, the hydrogen discharge valve is located at the upper part of the fuel cell end plate and is communicated with the hydrogen flow passage in the fuel cell end plate.
Preferably, the bottom of the hydrogen flow channel in the fuel cell end plate is provided with a containing cavity.
Preferably, the fuel cell end plate integrates a water distribution function, and the hydrogen circulating pump is communicated with the fuel cell end plate through a pipeline.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the fuel cell end plate is used as a supporting piece for compressing the electric pile, and on the premise of ensuring that the supporting effect of the end plate on the electric pile is not reduced, the water separator and the connecting pipeline on the fuel cell system can be reduced by designing and processing the spare area of the end plate to have the effect of water separation, so that the integration level of the system is improved.
2. According to the invention, the drain valve, the hydrogen discharge valve and the hydrogen outlet pressure sensor are directly connected with the fuel cell end plate through the bolts, so that the system volume can be reduced, and the power density can be improved.
3. The invention can rapidly heat the end plate of the electric pile at low temperature by arranging the electric heating wires at the upper and lower ends of the end plate of the fuel cell and approaching the drain valve and the hydrogen discharging valve, thereby accelerating the low Wen Rongbing in the pipe hole of the electromagnetic valve on the end plate and the low-temperature start of the electric pile.
4. According to the invention, the C-shaped hydrogen outlet flow passage is arranged in the fuel cell end plate, and the bottom of the flow passage is provided with the constant volume cavity, so that the storage of the hydrogen outlet liquid water is facilitated.
5. The invention is convenient for discharging liquid water out of the end plate by arranging the drain valve at the bottom of the hydrogen outlet flow passage in the end plate of the fuel cell, prevents water accumulation and blocks the flow passage, is convenient for discharging nitrogen in the hydrogen gas passage by arranging the hydrogen discharge valve at the top of the hydrogen outlet flow passage in the end plate of the fuel cell, and ensures the hydrogen concentration of the hydrogen gas passage.
6. The hydrogen outlet pressure sensor is arranged in the middle of the hydrogen outlet flow passage in the fuel cell end plate, so that the pressure of the hydrogen outlet of the electric pile can be conveniently monitored.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a side view of a fuel cell end plate of the present invention;
fig. 3 is a cross-sectional view of a fuel cell end plate of the present invention.
In the figure: 1. a fuel cell membrane electrode; 2. a fuel cell end plate; 3. a hydrogen circulation pump; 4. a hydrogen inlet pressure sensor; 5. a hydrogen supply device; 6. a connecting pipe; 201. a cooling liquid inlet; 202. a membrane electrode hydrogen outlet; 203. a drain valve; 204. a flow passage baffle; 205. an air inlet; 206. a hydrogen discharge valve; 207. an end plate hydrogen outlet; 208. a hydrogen outlet pressure sensor; 209. a hydrogen inlet; 210. a cooling liquid outlet; 211. an air outlet; 212. an electric heating wire.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, a fuel cell end plate with a function of collecting hydrogen and water includes a fuel cell membrane electrode 1, wherein the right side of the fuel cell membrane electrode 1 is fixedly connected with a fuel cell end plate 2, the bottom of the right side of the fuel cell end plate 2 is communicated with a connecting pipe 6, the top of an inner cavity of the connecting pipe 6 is fixedly connected with a hydrogen inlet pressure sensor 4, the right end of the connecting pipe 6 is communicated with a hydrogen supply device 5, the top of the connecting pipe 6 is communicated with a hydrogen circulating pump 3 through a pipeline, and the left side of the hydrogen circulating pump 3 is communicated with the right side of the fuel cell end plate 2 through a pipeline;
the fuel cell end plate 2 includes a coolant inlet 201, a membrane electrode hydrogen outlet 202, a drain valve 203, a flow passage baffle 204, an air inlet 205, a hydrogen discharge valve 206, an end plate hydrogen outlet 207, a hydrogen outlet pressure sensor 208, a hydrogen inlet 209, a coolant outlet 210, and an air outlet 211.
1. In order to improve the hydrogen utilization rate of the fuel cell, a hydrogen circulation mode is adopted to separate liquid water so as to avoid damage to the fuel cell, and the following technical scheme is adopted:
the fuel cell end plate with the function of collecting hydrogen and water comprises a fuel cell membrane electrode 1, wherein the right side of the fuel cell membrane electrode 1 is fixedly connected with a fuel cell end plate 2, the top and the bottom of the inner cavity of the fuel cell end plate 2 are fixedly connected with electric heating wires 212, the electric heating wires 212 are respectively positioned at the bottom of a drain valve 203 and the top of a hydrogen discharge valve 206, a hydrogen outlet flow passage in the fuel cell end plate 2 is C-shaped, a flow passage baffle 204 is arranged in the hydrogen outlet flow passage, the hydrogen and water separation is facilitated, a hydrogen path water separation device is integrated in the fuel cell end plate 2, a hydrogen path drain valve 203, a hydrogen discharge valve 206 and a hydrogen outlet pressure sensor 209 are integrated on the end plate, the number of system components and pipelines is reduced, the system volume is reduced, the integration of a fuel cell system is facilitated, and residual hydrogen, gaseous water and liquid water reacted by a fuel cell hydrogen path are separated in the fuel cell end plate 2, the liquid water is stored at the bottom of the inner cavity of the flow channel of the fuel cell end plate 2, the liquid water is discharged by controlling the opening of the drain valve 203, the hydrogen path of the electric pile is prevented from flooding, the residual hydrogen and the gaseous water flow upwards through the flow channel of the fuel cell end plate 2, flow to a circulation loop from the hydrogen outlet of the fuel cell end plate 2 and circulate back to the electric pile, the hydrogen circulation is facilitated, the bottom of the hydrogen flow channel in the fuel cell end plate 2 is provided with a containing cavity which is beneficial to the storage of the liquid water, the fuel cell end plate 2 integrates the water distribution function, the hydrogen circulation pump 3 is communicated with the fuel cell end plate 2 through a pipeline, the residual hydrogen after the water distribution is directly circulated to the hydrogen inlet of the electric pile for reuse, the bottom at the right side of the fuel cell end plate 2 is communicated with a connecting pipe 6, the top of the inner cavity of the connecting pipe 6 is fixedly connected with a hydrogen inlet pressure sensor 4, the right end of the connecting pipe 6 is communicated with a hydrogen supply device 5, the top of the connecting pipe 6 is communicated with a hydrogen circulating pump 3 through a pipeline, and the left side of the hydrogen circulating pump 3 is communicated with the right side of the fuel cell end plate 2 through a pipeline.
The hydrogen supply device 5 of the fuel cell system introduces external hydrogen into the fuel cell end plate 2, the fuel cell end plate 2 is communicated with the fuel cell membrane electrode 1 through a flow channel, hydrogen and air perform electrochemical reaction in the fuel cell membrane electrode 1, water generated on the air side of the fuel cell membrane electrode 1 permeates to the hydrogen side in a small part due to concentration difference steps, redundant hydrogen and liquid water are discharged from the hydrogen side of the fuel cell, a hydrogen outlet in the fuel cell end plate 2 is connected with the hydrogen circulation pump 3, hydrogen is circulated to the front section of the hydrogen supply device 5, hydrogen is recycled, the hydrogen stack inlet pressure is monitored through the hydrogen inlet pressure sensor 4, and the hydrogen supply device 5 is regulated in real time.
The liquid water, excessive hydrogen and a small amount of nitrogen on the hydrogen side of the electric pile enter the fuel cell end plate 2 through the membrane electrode hydrogen outlet 202, the bottom of the hydrogen flow channel in the fuel cell end plate 2 is provided with a containing cavity which is beneficial to liquid water storage, the hydrogen flow channel containing cavity of the fuel cell end plate 2 is in a C shape, the inside of the hydrogen flow channel containing cavity is provided with a flow channel baffle 204, the liquid water is separated from the hydrogen under the action of gravity and the flow channel baffle 204, the liquid water is collected in the hydrogen flow channel bottom containing cavity, and the drain valve 203 is opened to drain the liquid water out of the fuel cell end plate 2.
The hydrogen gas flows into the fuel cell end plate 2 from the bottom membrane electrode hydrogen outlet 202, flows upward, is separated by the flow passage baffle 204, flows out from the end plate hydrogen outlet 207, and enters the hydrogen circulation pump 3.
The middle part of the hydrogen flow passage is provided with a hydrogen outlet pressure sensor 208 for monitoring the hydrogen pressure at the outlet of the electric pile, and the upper part of the hydrogen flow passage is provided with a hydrogen discharging valve 206 for discharging hydrogen and nitrogen to improve the hydrogen concentration in the electric pile.
2. In order to solve the fuel cell system of the vehicle, the galvanic pile is connected with the water knockout drum through the pipeline, the water knockout drum is connected with the drain valve, the hydrogen discharge valve through the pipeline equally, the water knockout drum is connected with hydrogen circulation device through the pipeline too, water knockout drum and connecting line have occupied a part of space of the system, the problem with lower integrated level, adopt the following technical scheme:
the fuel cell end plate 2 comprises a cooling liquid inlet 201, a membrane electrode hydrogen outlet 202, a drain valve 203, a flow passage baffle 204, an air inlet 205, a hydrogen discharge valve 206, an end plate hydrogen outlet 207, a hydrogen outlet pressure sensor 208, a hydrogen inlet 209, a cooling liquid outlet 210 and an air outlet 211, wherein the drain valve 203, the hydrogen discharge valve 206 and the hydrogen outlet pressure sensor 208 are all movably connected with the fuel cell end plate 2 through bolts, the hydrogen discharge valve 206 is positioned at the upper part of the fuel cell end plate 2 and communicated with a hydrogen flow passage in the fuel cell end plate 2, the opening of the hydrogen discharge valve 206 is controlled for discharging hydrogen and nitrogen, the drain valve 203 is arranged at the bottom of the hydrogen outlet flow passage in the fuel cell end plate 2 so as to facilitate the discharge of liquid water out of the end plate, prevent water accumulation and block the flow passage, the hydrogen outlet flow channel top in the fuel cell end plate 2 is provided with the hydrogen discharge valve 206, so that nitrogen in a hydrogen gas path is discharged conveniently, the hydrogen concentration of the hydrogen gas path is guaranteed, the drain valve 203, the hydrogen discharge valve 206 and the hydrogen outlet pressure sensor 208 are movably connected with the fuel cell end plate 2 through bolts, the drain valve 203, the hydrogen discharge valve 206 and the hydrogen outlet pressure sensor 208 are directly connected with the fuel cell end plate 2 through the set bolts, the system volume can be reduced, the power density is improved, the fuel cell end plate 2 is used as a supporting piece for compressing a galvanic pile, and the water knockout drum and a connecting pipeline on a fuel cell system can be reduced and the integration level of the system is improved by designing and processing a spare area of the end plate under the premise that the supporting effect of the end plate on the galvanic pile is not reduced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A fuel cell end plate with a function of collecting hydrogen and water, comprising a fuel cell membrane electrode (1), characterized in that: the fuel cell comprises a fuel cell membrane electrode (1), wherein a fuel cell end plate (2) is fixedly connected to the right side of the fuel cell membrane electrode (1), a connecting pipe (6) is communicated to the bottom of the right side of the fuel cell end plate (2), a hydrogen inlet pressure sensor (4) is fixedly connected to the top of an inner cavity of the connecting pipe (6), a hydrogen supply device (5) is communicated to the right end of the connecting pipe (6), a hydrogen circulating pump (3) is communicated to the top of the connecting pipe (6) through a pipeline, and the left side of the hydrogen circulating pump (3) is communicated with the right side of the fuel cell end plate (2) through a pipeline; the fuel cell end plate (2) comprises a cooling liquid inlet (201), a membrane electrode hydrogen outlet (202), a drain valve (203), a flow passage baffle plate (204), an air inlet (205), a hydrogen discharge valve (206), an end plate hydrogen outlet (207), a hydrogen outlet pressure sensor (208), a hydrogen inlet (209), a cooling liquid outlet (210) and an air outlet (211); the drain valve (203), the hydrogen discharge valve (206) and the hydrogen outlet pressure sensor (208) are all movably connected with the fuel cell end plate (2) through bolts; the hydrogen outlet flow channel in the fuel cell end plate (2) is C-shaped, and the flow channel baffle plate (204) is arranged in the hydrogen outlet flow channel; the hydrogen path water separation device is integrated in the fuel cell end plate (2), and the hydrogen path drain valve (203), the hydrogen discharge valve (206) and the hydrogen outlet pressure sensor (209) are integrated on the end plate; the residual hydrogen, gaseous water and liquid water reacted by the hydrogen path of the fuel cell are separated in the fuel cell end plate (2), and the liquid water is stored at the bottom of the flow channel inner cavity of the fuel cell end plate (2); the residual hydrogen and the gaseous water flow upwards through the flow channel in the fuel cell end plate (2), and flow from the hydrogen outlet of the fuel cell end plate (2) to the circulation loop; the hydrogen discharge valve (206) is positioned at the upper part of the fuel cell end plate (2) and is communicated with a hydrogen flow passage in the fuel cell end plate (2); the bottom of the hydrogen flow passage in the fuel cell end plate (2) is provided with a containing cavity.
2. A fuel cell end plate for collecting hydrogen-water separation according to claim 1, wherein: the top and the bottom of the inner cavity of the fuel cell end plate (2) are fixedly connected with electric heating wires (212), and the electric heating wires (212) are respectively positioned at the bottom of the drain valve (203) and the top of the hydrogen discharge valve (206).
3. A fuel cell end plate for collecting hydrogen-water separation according to claim 1, wherein: the fuel cell end plate (2) integrates a water distribution function, and the hydrogen circulating pump (3) is communicated with the fuel cell end plate (2) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910737091.XA CN110350227B (en) | 2019-08-11 | 2019-08-11 | Fuel cell end plate with hydrogen-water separation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910737091.XA CN110350227B (en) | 2019-08-11 | 2019-08-11 | Fuel cell end plate with hydrogen-water separation function |
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| Publication Number | Publication Date |
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| CN110350227A CN110350227A (en) | 2019-10-18 |
| CN110350227B true CN110350227B (en) | 2024-02-06 |
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| CN201910737091.XA Active CN110350227B (en) | 2019-08-11 | 2019-08-11 | Fuel cell end plate with hydrogen-water separation function |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883795A (en) * | 2020-06-17 | 2020-11-03 | 清华大学山西清洁能源研究院 | Preheating type end plate for fuel cell |
| CN112103547B (en) * | 2020-09-18 | 2022-02-18 | 中国第一汽车股份有限公司 | Fuel cell stack manifold assembly |
| CN114447358A (en) * | 2020-11-06 | 2022-05-06 | 未势能源科技有限公司 | Cylinder manifold, air hydrogen water supply subassembly and fuel cell |
| CN113224350B (en) * | 2021-05-19 | 2022-04-12 | 北京亿华通科技股份有限公司 | Fuel cell system and control method thereof |
| CN113540515B (en) * | 2021-05-31 | 2023-01-06 | 北京氢沄新能源科技有限公司 | Fuel cell stack and proton exchange membrane fuel cell |
| CN113948735A (en) * | 2021-10-21 | 2022-01-18 | 上海捷氢科技有限公司 | Fuel cell and fuel cell end plate assembly thereof |
| CN114335655A (en) * | 2021-11-17 | 2022-04-12 | 国家电投集团氢能科技发展有限公司 | Integrated fuel cell stack |
| CN114142078A (en) * | 2021-11-29 | 2022-03-04 | 苏州市华昌能源科技有限公司 | Multifunctional end plate, multi-stack system and fuel cell |
| CN116799258B (en) * | 2023-08-29 | 2023-11-03 | 上海重塑能源科技有限公司 | Static and dynamic detection method for icing position of fuel cell stack |
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| CN210296521U (en) * | 2019-08-11 | 2020-04-10 | 河南豫氢动力有限公司 | Fuel cell end plate with hydrogen-water separation function |
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| CN110311153B (en) * | 2019-06-28 | 2023-11-10 | 北京航天石化技术装备工程有限公司 | End plate for fuel cell stack and working mode thereof |
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| JP2009099481A (en) * | 2007-10-19 | 2009-05-07 | Hitachi High-Technologies Corp | Condensing device |
| CN105609825A (en) * | 2014-11-14 | 2016-05-25 | 丰田自动车株式会社 | Gas liquid separator and fuel cell system |
| CN109273741A (en) * | 2018-11-01 | 2019-01-25 | 上海重塑能源科技有限公司 | The hydrogen of fuel cell system is separated from water device and its working method |
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| CN110350227A (en) | 2019-10-18 |
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