CN216362136U - Feeding end plate for hydrogen fuel cell - Google Patents

Feeding end plate for hydrogen fuel cell Download PDF

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Publication number
CN216362136U
CN216362136U CN202122806525.2U CN202122806525U CN216362136U CN 216362136 U CN216362136 U CN 216362136U CN 202122806525 U CN202122806525 U CN 202122806525U CN 216362136 U CN216362136 U CN 216362136U
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end plate
hydrogen
plate body
channel
fuel cell
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CN202122806525.2U
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Chinese (zh)
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洪绍景
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Yichuang Hydrogen Energy Technology Zhangjiagang Co ltd
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Yichuang Hydrogen Energy Technology Zhangjiagang Co ltd
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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
    • Y02E60/50—Fuel cells

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Abstract

The utility model discloses a feeding end plate for a hydrogen fuel cell, which comprises an end plate body, a plurality of feeding channels and a plurality of discharging channels, wherein the feeding channels and the discharging channels are arranged in the end plate body, the feeding channels comprise a water inlet channel, a gas inlet channel and a hydrogen inlet channel which are arranged adjacently, and the feeding end plate also comprises a heating module which is arranged on the end plate body and is inserted in the water inlet channel. According to the feeding end plate, the plurality of feeding channels and the plurality of discharging channels are integrated on the end plate body, so that the space utilization rate is greatly improved; insert the heating module simultaneously and locate the inhalant canal, on the one hand the heating module can directly heat the water in the inhalant canal, has improved heating efficiency, has reduced the heat energy loss, and on the other hand, the heat in the inhalant canal can outwards radiate to other feedstock channel and discharging channel for can form a good reaction environment between a plurality of feedstock channel and a plurality of discharging channel, the effectual heat management that has promoted.

Description

Feeding end plate for hydrogen fuel cell
Technical Field
The utility model relates to the field of fuel cells, in particular to a feeding end plate for a hydrogen fuel cell.
Background
A hydrogen fuel cell is a power generation device that directly converts chemical energy of hydrogen and oxygen into electrical energy. The basic principle is the reverse reaction of electrolytic water, when in use, hydrogen and oxygen are respectively supplied to an anode and a cathode, and after the hydrogen diffuses outwards through the anode and reacts with an electrolyte, electrons are released to reach the cathode through an external load. And during the reaction, hot water is continuously supplied and heat exchange is carried out with gas to provide reaction temperature.
At present, the supply of hydrogen, oxygen and hot water is usually realized by a plurality of independent inlet and outlet pipes, which are respectively communicated with a hydrogen fuel cell to supply hydrogen, air and hot water. However, the hydrogen fuel cells are respectively communicated by a plurality of independent pipelines, so that the occupied space is large, and the space utilization rate is low; meanwhile, in the conventional hydrogen fuel cell, a heater for heating water is located outside the system, so that heat loss is inevitably generated in the flowing process of water, thereby affecting the reaction effect.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to overcome the deficiencies of the prior art and to provide a feed end plate for a hydrogen fuel cell.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a feed end plate for hydrogen fuel cell, includes the end plate body, sets up in this internal many feedstock channel and many discharging channel of end plate, many feedstock channel include inhalant canal and inlet channel, the inhalant canal of adjacent setting, the feed end plate is still including locating on the end plate body and insert and locate heating module in the inhalant canal.
Preferably, the plurality of feeding channels and the plurality of discharging channels are bent flow channels, and the extending directions of the feeding channels and the discharging channels are perpendicular to the thickness direction of the end plate body.
Preferably, the heating module comprises a plurality of heating columns which are arranged at intervals along the extending direction of the water inlet channel.
Preferably, the inlet channel has first water inlet and first delivery port, the inlet channel has first air inlet and first gas outlet, first water inlet with first air inlet is seted up respectively in an end plate body width direction's a lateral part, first delivery port with first gas outlet is seted up respectively in an end plate body thickness direction's a lateral part.
Further preferably, the plurality of discharging channels comprise a water outlet channel and an air outlet channel which are adjacently arranged, a second water inlet and a second water outlet which are formed at two ends of the water outlet channel, a second air inlet and a second air outlet which are formed at two ends of the air outlet channel, the second water inlet and the second air inlet are respectively arranged at one side part of the end plate body in the thickness direction, and the second water outlet and the second air outlet are respectively arranged at one side part of the end plate body in the width direction.
Still further preferably, the first water inlet, the first air inlet, the second water outlet and the second air outlet are all located on the same side of the end plate body and are arranged along the length direction of the end plate body at intervals, and the first water outlet, the first air outlet, the second water inlet and the second air inlet are all located on the side portion, close to the hydrogen fuel cell, of the end plate body.
Still further preferably, the feed end plate further includes a water replenishing port opened at a side portion in the width direction of the end plate body, and the water replenishing port is communicated with the water outlet passage.
Preferably, the feed end plate is still including being formed in advance hydrogen mouth and hydrogen outlet at hydrogen passageway both ends, advance the hydrogen mouth and open in an end plate body width direction's a side portion, the hydrogen outlet is opened in an end plate body thickness direction's a side portion and is close to hydrogen fuel cell sets up.
Further preferably, the feed end plate further includes a hydrogen return port opened at a side portion in the width direction of the end plate body, and the hydrogen return port is communicated with the hydrogen inlet passage.
Preferably, the functional end plate further comprises a plurality of detection ports which are arranged on the end plate body and used for installing the temperature and pressure sensors.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: according to the feeding end plate, the plurality of feeding channels and the plurality of discharging channels are integrated on the end plate body, so that the space utilization rate is greatly improved; insert the heating module simultaneously and locate the inhalant canal, on the one hand the heating module can directly heat the water in the inhalant canal, has improved heating efficiency, has reduced the heat energy loss, and on the other hand, the heat in the inhalant canal can outwards radiate to other feedstock channel and discharging channel for can form a good reaction environment between a plurality of feedstock channel and a plurality of discharging channel, the effectual heat management that has promoted.
Drawings
FIG. 1 is a schematic structural view of a feed end plate in an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of the feed end plate of fig. 1 in its length direction.
In the figure: 1. an end plate body; 2. a water inlet channel; 3. an air intake passage; 4. a hydrogen inlet channel; 5. a heating module; 5a, heating a column; 6. a first water inlet; 7. a first water outlet; 8. a first air inlet; 9. a first air outlet; 10. a water outlet channel; 11. an air outlet channel; 12. a second water inlet; 13. a second water outlet; 14. a second air inlet; 15. a second air outlet; 16. a water replenishing port; 17. a hydrogen inlet; 18. a hydrogen outlet; 19. a hydrogen return port; 20. and (6) a detection port.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings.
The utility model relates to the improvement of a hydrogen fuel cell, and provides a feeding end plate for the hydrogen fuel cell, wherein a plurality of feeding channels and a plurality of discharging channels are integrated on one end plate body 1, so that the space utilization rate is greatly improved; simultaneously insert heating module 5 and locate inhalant canal 2 in, on the one hand heating module 5 can directly heat the water in inhalant canal 2, has improved heating efficiency, has reduced the heat energy loss, and on the other hand, the heat in inhalant canal 2 can outwards radiate to other feedstock channel and discharging channel for can form a good reaction environment between a plurality of feedstock channel and a plurality of discharging channel, the effectual heat management that has promoted.
Referring to fig. 1-2, a feeding end plate for a hydrogen fuel cell is shown, which includes an end plate body 1, a plurality of feeding channels and a plurality of discharging channels, the feeding channels are disposed in the end plate body 1, the feeding channels include a water inlet channel 2, a gas inlet channel 3 and a hydrogen inlet channel 4, the discharging channels include a water outlet channel 10 and a gas outlet channel 11, the water inlet channel 2 and the discharging channels are disposed adjacent to each other, and the feeding end plate further includes a heating module 5 disposed on the end plate body 1 and inserted into the water inlet channel 2.
The water inlet channel 2 and the water outlet channel 10 are respectively used for supplying water to the hydrogen fuel cell and discharging water from the hydrogen fuel cell, the air inlet channel 3 and the air outlet channel 11 are respectively used for supplying air to the hydrogen fuel cell and discharging air from the hydrogen fuel cell, and the hydrogen inlet channel 4 is used for supplying hydrogen to the hydrogen fuel cell.
In this example, the plurality of feed channels and the plurality of discharge channels are all bent flow channels, the extending directions of the feed channels and the discharge channels are perpendicular to the thickness direction of the end plate body 1, the heating module 5 includes a plurality of heating columns 5a arranged at intervals along the extending direction of the feed channel 2, and the heating columns 5a are PTC heating columns 5 a. Therefore, the lengths of the feeding channels and the discharging channels are prolonged by arranging the plurality of feeding channels and the plurality of discharging channels as the bent flow channels, so that the insulation resistance of the flow channels can be improved, and the condition of low insulation of the straight-through flow channel is improved; and the arrangement of the plurality of PTC heating poles 5a can ensure the heating efficiency of the water in the water inlet passage 2.
In this embodiment, the water inlet channel 2 has a first water inlet 6 and a first water outlet 7, the air inlet channel 3 has a first air inlet 8 and a first air outlet 9, the hydrogen inlet channel 4 has a hydrogen inlet 17 and a hydrogen outlet 18, the water outlet channel 10 has a second water inlet 12 and a second water outlet 13, the air outlet channel 11 has a second air inlet 14 and a second air outlet 15, the first water inlet 6, the first air inlet 8, the second water outlet 13, the second air outlet 15 and the hydrogen inlet 17 are respectively arranged on a lateral portion of the width direction of the end plate body 1, and the first water outlet 7, the first air outlet 9, the second water inlet 12, the second air inlet 14 and the hydrogen outlet 18 are respectively arranged on a lateral portion of the thickness direction of the end plate body 1.
Further, first water inlet 6, first air inlet 8, second delivery port 13 and second gas outlet 15 all lie in the same one side of end plate body 1 and arrange along the length direction interval of end plate body 1, and hydrogen inlet 17 sets up in the opposite side of first water inlet 6, first air inlet 8, second delivery port 13 and second gas outlet 15, and first delivery port 7, first gas outlet 9, second water inlet 12, second air inlet 14 and hydrogen outlet 18 all lie in an end plate body 1 and are close to a lateral part of hydrogen fuel cell.
Further, the feeding end plate further comprises a hydrogen return port 19 opened at one side portion in the width direction of the end plate body 1, and the hydrogen return port 19 is communicated with the hydrogen inlet passage 4 and is used for introducing unreacted hydrogen in the hydrogen fuel cell into the hydrogen inlet passage 4 again.
In this embodiment, the feeding end plate further includes a water replenishing port 16 opened at one side portion in the width direction of the end plate body 1, and the water replenishing port 16 is communicated with the water outlet passage 10. Through the arrangement of the water replenishing port 16, water can be replenished into the water outlet channel 10 so as to extrude gas in the water outlet channel 10 and ensure the flow of water in the water inlet channel 2 and the water outlet channel 10.
In this embodiment, the functional end plate further includes a plurality of detection ports 20 for installing temperature and pressure sensors, which are provided on the end plate body 1, and the plurality of detection ports 20 are respectively provided at one side portion of the thickness direction of the end plate body 1 and are in one-to-one correspondence with the first water outlet 7, the first air outlet 9, the hydrogen outlet 18, the second water inlet 12 and the second air inlet 14.
The following specifically explains the working process of this embodiment: water, air and hydrogen are respectively led into the water inlet channel 2, the air inlet channel 3 and the hydrogen inlet channel 4 from the first water inlet 6, the first air inlet 8 and the hydrogen inlet 17, the air and the hydrogen respectively enter the hydrogen fuel cell from the first air outlet 9 and the hydrogen outlet 18 to react, the water is heated by the heating column 5a in the flowing process of the water in the water inlet channel 2, the obtained hot water enters the hydrogen fuel cell from the first water outlet 7 and provides temperature conditions for the reaction, the water and the air after the reaction are respectively output through the water outlet channel 10 and the air outlet channel 11, and the rest hydrogen is sent into the hydrogen inlet channel 4 again through the hydrogen return port 19.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (10)

1. A feed end plate for a hydrogen fuel cell, characterized by: including the end plate body, set up in this internal many feedstock channel and many discharging channel of end plate, many feedstock channel include inhalant canal and inlet channel, the hydrogen inlet channel of adjacent setting, the feed end plate is still including locating on the end plate body and insert and locate heating module in the inhalant canal.
2. A feed end plate for a hydrogen fuel cell according to claim 1, wherein: the feeding channels and the discharging channels are bent flow channels, and the extending directions of the feeding channels and the discharging channels are perpendicular to the thickness direction of the end plate body.
3. A feed end plate for a hydrogen fuel cell according to claim 1, wherein: the heating module comprises a plurality of heating columns which are arranged at intervals along the extending direction of the water inlet channel.
4. A feed end plate for a hydrogen fuel cell according to claim 1, wherein: the inlet channel has first water inlet and first delivery port, the inlet channel has first air inlet and first gas outlet, first water inlet with first air inlet is seted up respectively in an end plate body width direction's a lateral part, first delivery port with first gas outlet is seted up respectively in an end plate body thickness direction's a lateral part.
5. A feed end plate for a hydrogen fuel cell according to claim 4, wherein: many discharging channel include adjacent water outlet channel and the passageway of giving vent to anger that sets up, be formed in the second water inlet and the second delivery port at water outlet channel both ends, be formed in the second air inlet and the second gas outlet at the passageway both ends of giving vent to anger, the second water inlet with the second air inlet is seted up respectively in an lateral part of end plate body thickness direction, the second delivery port with the second gas outlet is seted up respectively in a lateral part of end plate body width direction.
6. A feed end plate for a hydrogen fuel cell according to claim 5, wherein: the first water inlet, the first air inlet, the second water outlet and the second air outlet are all located on the same side of the end plate body and are arranged at intervals along the length direction of the end plate body, and the first water outlet, the first air outlet, the second water inlet and the second air inlet are all located on the side portion, close to the hydrogen fuel cell, of the end plate body.
7. A feed end plate for a hydrogen fuel cell according to claim 5, wherein: the feeding end plate further comprises a water replenishing port arranged on one side part of the end plate body in the width direction, and the water replenishing port is communicated with the water outlet channel.
8. A feed end plate for a hydrogen fuel cell according to claim 1, wherein: the feeding end plate is characterized by further comprising a hydrogen inlet and a hydrogen outlet, the hydrogen inlet and the hydrogen outlet are formed at two ends of the hydrogen inlet channel, the hydrogen inlet is formed in one side part of the end plate body in the width direction, and the hydrogen outlet is formed in one side part of the end plate body in the thickness direction and close to the hydrogen fuel cell.
9. A feed end plate for a hydrogen fuel cell according to claim 8, wherein: the feeding end plate further comprises a hydrogen return port arranged on one side part of the end plate body in the width direction, and the hydrogen return port is communicated with the hydrogen inlet channel.
10. A feed end plate for a hydrogen fuel cell according to claim 1, wherein: the feeding end plate further comprises a plurality of detection ports which are arranged on the end plate body and used for installing the temperature and pressure sensors.
CN202122806525.2U 2021-11-16 2021-11-16 Feeding end plate for hydrogen fuel cell Active CN216362136U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122806525.2U CN216362136U (en) 2021-11-16 2021-11-16 Feeding end plate for hydrogen fuel cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122806525.2U CN216362136U (en) 2021-11-16 2021-11-16 Feeding end plate for hydrogen fuel cell

Publications (1)

Publication Number Publication Date
CN216362136U true CN216362136U (en) 2022-04-22

Family

ID=81191033

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122806525.2U Active CN216362136U (en) 2021-11-16 2021-11-16 Feeding end plate for hydrogen fuel cell

Country Status (1)

Country Link
CN (1) CN216362136U (en)

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