CN215578636U - Air duct type hydrogen fuel cell - Google Patents
Air duct type hydrogen fuel cell Download PDFInfo
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- CN215578636U CN215578636U CN202121115340.0U CN202121115340U CN215578636U CN 215578636 U CN215578636 U CN 215578636U CN 202121115340 U CN202121115340 U CN 202121115340U CN 215578636 U CN215578636 U CN 215578636U
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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 an air duct type hydrogen fuel cell. It includes from last to the anodal end plate that sets gradually down, anodal current conducting plate, oxyhydrogen polar plate group, the negative pole current conducting plate, the negative pole end plate, oxyhydrogen polar plate group includes a plurality of oxyhydrogen polar plates of vertical piling up, the oxyhydrogen polar plate includes the plate body, bilateral symmetry is equipped with along the first rectangle through-hole of horizontal setting around the plate body, the left and right sides symmetry of plate body is equipped with along vertical second rectangle through-hole that sets up, first rectangle through-hole length is 2-3 times of second rectangle through-hole length, first rectangle through-hole width is 1.5-2.5 times of second rectangle through-hole width, the plate body top surface is equipped with a plurality ofly and leads to the hydrogen groove of second rectangle through-hole intercommunication, the plate body bottom surface is equipped with a plurality ofly and the logical oxygen groove of first rectangle through-hole intercommunication. The utility model has strong heat dissipation capability and can adapt to the working condition of oxygen rareness at high altitude.
Description
Technical Field
The utility model relates to the technical field of fuel cells, in particular to an air duct type 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 electrolyzed water, hydrogen and oxygen are supplied to the anode and cathode respectively, and after the hydrogen diffuses out through the anode and reacts with the electrolyte, electrons are released to reach the cathode through an external load. The hydrogen fuel cell can emit a large amount of heat during power generation, and the heat is dissipated by arranging the heat dissipation holes on the side surfaces of the hydrogen-oxygen polar plates at present, so that the heat dissipation efficiency of the heat dissipation mode is low.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an air duct type hydrogen fuel cell which is strong in heat dissipation capability and can adapt to the working condition of oxygen rarefied at high altitude.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model relates to an air duct type hydrogen fuel cell, which comprises an anode end plate, an anode conductive plate, a hydrogen-oxygen electrode plate group, a cathode conductive plate and a cathode end plate which are sequentially arranged from top to bottom, wherein the hydrogen-oxygen electrode plate group comprises a plurality of vertically stacked hydrogen-oxygen electrode plates, each hydrogen-oxygen electrode plate comprises a plate body, first rectangular through holes which are transversely arranged are symmetrically arranged on the front side and the back side of the plate body, second rectangular through holes which are longitudinally arranged are symmetrically arranged on the left side and the right side of the plate body, the length of each first rectangular through hole is 2-3 times of the length of each second rectangular through hole, the width of each first rectangular through hole is 1.5-2.5 times of the width of each second rectangular through hole, a plurality of hydrogen through grooves which are communicated with the second rectangular through holes are arranged on the top surface of the plate body, a plurality of oxygen through grooves which are communicated with the first rectangular through holes are arranged on the bottom surface of the plate body, and the first rectangular through holes on the front sides of all the hydrogen-oxygen electrode plates are communicated to form a first oxygen channel, first rectangle through-hole intercommunication of all oxyhydrogen polar plate rear sides constitutes the second oxygen passageway, and the left second rectangle through-hole intercommunication of all oxyhydrogen polar plate constitutes first hydrogen passageway, and the second rectangle through-hole intercommunication on all oxyhydrogen polar plate right sides constitutes the second hydrogen passageway, be equipped with four air pipe connectors on the positive end plate, four air pipe connectors communicate with first oxygen passageway, second oxygen passageway, first hydrogen passageway, second hydrogen passageway respectively, are equipped with the proton membrane between the adjacent oxyhydrogen polar plate, the position that corresponds with first rectangle through-hole, second rectangle through-hole on the proton membrane is equipped with the first air vent that the size matches.
In this scheme, two air pipe joints that communicate with first oxygen passageway, second oxygen passageway respectively are regarded as oxygen air inlet, oxygen gas outlet respectively and are connected air conveyor, and two air pipe joints that communicate with first hydrogen passageway, second hydrogen passageway respectively are regarded as hydrogen air inlet, hydrogen gas outlet respectively and are connected hydrogen conveyor, lead to the hydrogen groove and let in hydrogen, lead to the oxygen groove and let in the air, take place the reaction through the proton membrane and generate electricity. Because the length of the first rectangular through hole is 2-3 times of the length of the second rectangular through hole, and the width of the first rectangular through hole is 1.5-2.5 times of the width of the second rectangular through hole, the size of the oxygen channel is much larger than that of the hydrogen channel, so that the oxygen channel plays a role of radiating as an air channel besides the role of supplying air to generate electricity, the air is introduced into the oxygen channel to supply oxygen to the hydrogen fuel cell, meanwhile, the heat generated by the hydrogen fuel cell is taken away and discharged from an air pipe joint serving as an oxygen outlet, and the large size of the oxygen channel can also increase the oxygen amount in the hydrogen fuel cell, thereby enabling the hydrogen fuel cell to adapt to the working condition of oxygen rarefication at high altitude.
Preferably, the positive electrode end plate presses the positive electrode conductive plate on the top surface of the oxyhydrogen electrode plate group, the negative electrode end plate presses the negative electrode conductive plate on the bottom surface of the oxyhydrogen electrode plate group, and the positive electrode end plate and the negative electrode end plate are fixedly connected through a connecting piece.
Preferably, the connecting member includes a plurality of bolt assemblies including bolts and nuts, the bolts pass through bolt holes on the positive end plate and the negative end plate through which the bolts pass, and the nuts are sleeved on top of the bolts to fasten the bolts.
Preferably, the bolt is sleeved with a flat washer and an elastic pad, and the flat washer and the elastic pad are located between the positive end plate and the nut. The flat washer and the elastic pad are arranged to facilitate the fastening of the nut.
Preferably, the hydrogen introducing groove is arranged along the transverse direction, and the oxygen introducing groove is arranged along the longitudinal direction.
Preferably, a sealing ring is arranged between the positive electrode conducting plate and the hydrogen-oxygen pole plate, a sealing ring is arranged between the negative electrode conducting plate and the hydrogen-oxygen pole plate, a sealing ring is arranged between the hydrogen-oxygen pole plate and the proton membrane, and second vent holes matched with the first rectangular through hole and the second rectangular through hole in size are formed in the positions, corresponding to the first rectangular through hole and the second rectangular through hole, on the sealing ring.
Preferably, the air pipe joint is sleeved with an O-shaped ring, and the O-shaped ring is positioned between the positive end plate and the positive conductive plate. The O-shaped ring plays a sealing role.
The utility model has the beneficial effects that: the heat dissipation capacity of the hydrogen fuel cell is enhanced, and the hydrogen fuel cell can adapt to the working condition of oxygen rarefied at high altitude.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is an exploded view of the embodiment;
FIG. 3 is a schematic view of the structure of a group of hydroxide plates;
FIG. 4 is a schematic diagram showing the top surface structure of the hydroxide plate;
FIG. 5 is a schematic view of the bottom structure of the hydrogen-oxygen electrode plate.
In the figure: 1. the hydrogen-oxygen battery comprises a positive end plate, 2, a positive conductive plate, 3, a hydrogen-oxygen electrode plate group, 4, a negative conductive plate, 5, a negative end plate, 6, a hydrogen-oxygen electrode plate, 7, a plate body, 8, a first rectangular through hole, 9, a second rectangular through hole, 10, a hydrogen through groove, 11, an oxygen through groove, 12, a gas pipe joint, 13, a proton membrane, 14, a first vent hole, 15, a bolt, 16, a nut, 17, a flat gasket, 18, an elastic gasket, 19, a sealing ring, 20, a second vent hole, 21 and an O-shaped ring.
Detailed Description
The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.
Example (b): the air duct type hydrogen fuel cell of the embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, comprises a positive electrode end plate 1, a positive electrode conductive plate 2, a hydrogen-oxygen electrode plate group 3, a negative electrode conductive plate 4, and a negative electrode end plate 5, which are sequentially arranged from top to bottom, wherein the hydrogen-oxygen electrode plate group 3 comprises a plurality of vertically stacked hydrogen-oxygen electrode plates 6, the hydrogen-oxygen electrode plates 6 comprise a plate body 7, first rectangular through holes 8 are symmetrically arranged on the front and back sides of the plate body 7 along the transverse direction, second rectangular through holes 9 are symmetrically arranged on the left and right sides of the plate body 7 along the longitudinal direction, the length of the first rectangular through holes 8 is 2-3 times the length of the second rectangular through holes 9, the width of the first rectangular through holes 8 is 1.5-2.5 times the width of the second rectangular through holes 9, a plurality of hydrogen through grooves 10 are arranged on the top surface of the plate body 7 along the transverse direction, the hydrogen through grooves 10 are communicated with the second rectangular through holes 9 on the left and right sides, a plurality of oxygen through grooves 11 are arranged on the bottom surface of the plate body 7 along the longitudinal direction, lead to the first rectangle through-hole 8 intercommunication of oxygen groove 11 and front and back both sides, the first rectangle through-hole 8 intercommunication of all hydrogen and oxygen polar plate 6 front sides constitutes first oxygen passageway, the first rectangle through-hole 8 intercommunication of all hydrogen and oxygen polar plate 6 rear sides constitutes the second oxygen passageway, the left second rectangle through-hole 9 intercommunication of all hydrogen and oxygen polar plate 6 constitutes first hydrogen passageway, the second rectangle through-hole 9 intercommunication on all hydrogen and oxygen polar plate 6 right sides constitutes the second hydrogen passageway, be equipped with four pipe joints 12 on the positive pole end plate 1, four pipe joints 12 respectively with first oxygen passageway, the second oxygen passageway, first hydrogen passageway, the second hydrogen passageway intercommunication, be equipped with proton membrane 13 between the adjacent hydrogen and oxygen polar plate 6, the position that corresponds with first rectangle through-hole 8, second rectangle through-hole 9 on the proton membrane 13 is equipped with size matching's first air vent 14.
In the scheme, the plate body is 128mm long and 68mm wide, the first rectangular through hole is 100mm long and 5mm wide, and the second rectangular through hole is 40mm long and 3mm wide. Two air pipe joints respectively communicated with the first oxygen channel and the second oxygen channel are respectively used as an oxygen inlet and an oxygen outlet to be connected with an air conveying device, two air pipe joints respectively communicated with the first hydrogen channel and the second hydrogen channel are respectively used as a hydrogen inlet and a hydrogen outlet to be connected with a hydrogen conveying device, the hydrogen tank is filled with hydrogen, the oxygen tank is filled with air, and the proton membrane is used for reaction and power generation. Because the oxygen passageway size is a lot of bigger than hydrogen passageway size, the oxygen passageway still plays the effect as the wind channel heat dissipation outside playing the effect that supplies the air to let in the electricity generation like this, the air lets in the oxygen passageway and still takes away the heat that hydrogen fuel cell produced from the air pipe joint discharge as the oxygen gas outlet for hydrogen fuel cell oxygen suppliment, and the jumbo size of oxygen passageway can also increase the oxygen volume in hydrogen fuel cell moreover to make hydrogen fuel cell can adapt to the thin operating mode of high altitude oxygen.
The bolt 15 is sleeved with a flat washer 17 and an elastic washer 18, and the flat washer 17 and the elastic washer 18 are positioned between the positive end plate 1 and the nut 16. The flat washer and the elastic pad are arranged to facilitate the fastening of the nut.
A sealing ring 19 is arranged between the positive electrode conducting plate 2 and the hydrogen-oxygen pole plate 6, a sealing ring 19 is arranged between the negative electrode conducting plate 4 and the hydrogen-oxygen pole plate 6, a sealing ring 19 is arranged between the hydrogen-oxygen pole plate 6 and the proton membrane 13, and second vent holes 20 with matched sizes are arranged on the sealing ring 19 at positions corresponding to the first rectangular through hole 8 and the second rectangular through hole 9.
The air pipe joint 12 is sleeved with an O-shaped ring 21, and the O-shaped ring 21 is positioned between the positive electrode end plate 1 and the positive electrode conducting plate 2. The O-shaped ring plays a sealing role.
Claims (7)
1. An air duct type hydrogen fuel cell is characterized by comprising an anode end plate (1), an anode conductive plate (2), a hydrogen-oxygen electrode plate group (3), a cathode conductive plate (4) and a cathode end plate (5) which are sequentially arranged from top to bottom, wherein the hydrogen-oxygen electrode plate group (3) comprises a plurality of vertically stacked hydrogen-oxygen electrode plates (6), the hydrogen-oxygen electrode plates (6) comprise a plate body (7), first rectangular through holes (8) which are transversely arranged are symmetrically arranged on the front side and the rear side of the plate body (7), second rectangular through holes (9) which are longitudinally arranged are symmetrically arranged on the left side and the right side of the plate body (7), the length of each first rectangular through hole (8) is 2-3 times that of the length of each second rectangular through hole (9), the width of each first rectangular through hole (8) is 1.5-2.5 times that of the width of each second rectangular through hole (9), a plurality of hydrogen through grooves (10) which are communicated with the second rectangular through holes (9) are arranged on the top surface of the plate body (7), the plate body (7) bottom surface is equipped with a plurality of logical oxygen groove (11) that communicate with first rectangle through-hole (8), first rectangle through-hole (8) intercommunication of all oxyhydrogen polar plate (6) front sides constitutes first oxygen passageway, first rectangle through-hole (8) intercommunication of all oxyhydrogen polar plate (6) rear sides constitutes second oxygen passageway, left second rectangle through-hole (9) intercommunication of all oxyhydrogen polar plate (6) constitutes first hydrogen passageway, second rectangle through-hole (9) intercommunication on all oxyhydrogen polar plate (6) right sides constitutes second hydrogen passageway, be equipped with four trachea joints (12) on positive end plate (1), four trachea joints (12) communicate with first oxygen passageway, second oxygen passageway, first hydrogen passageway, second hydrogen passageway respectively, be equipped with proton membrane (13) between adjacent oxyhydrogen polar plate (6), on proton membrane (13) with first rectangle through-hole (8), A first vent hole (14) with matched size is arranged at the position corresponding to the second rectangular through hole (9).
2. The tunnel-type hydrogen fuel cell according to claim 1, wherein the positive electrode end plate (1) presses the positive electrode conductive plate (2) against the top surface of the oxyhydrogen electrode plate group (3), the negative electrode end plate (5) presses the negative electrode conductive plate (4) against the bottom surface of the oxyhydrogen electrode plate group (3), and the positive electrode end plate (1) and the negative electrode end plate (5) are fixedly connected by a connecting member.
3. The air channel type hydrogen fuel cell according to claim 2, wherein the connecting member comprises a plurality of bolt assemblies, each bolt assembly comprises a bolt (15) and a nut (16), the bolt (15) passes through the bolt hole of the positive end plate (1) and the negative end plate (5) for the bolt (15) to pass through, and the nut (16) is sleeved on the top of the bolt (15) to fasten the bolt (15).
4. The tunnel-type hydrogen fuel cell according to claim 3, wherein the bolt (15) is sleeved with a flat washer (17) and an elastic washer (18), and the flat washer (17) and the elastic washer (18) are located between the positive electrode end plate (1) and the nut (16).
5. The air duct type hydrogen fuel cell according to claim 1 or 2 or 3 or 4, characterized in that the hydrogen introduction groove (10) is provided in a lateral direction and the oxygen introduction groove (11) is provided in a longitudinal direction.
6. The air duct type hydrogen fuel cell according to claim 1, 2, 3 or 4, wherein a sealing ring (19) is arranged between the positive electrode conductive plate (2) and the hydrogen-oxygen electrode plate (6), a sealing ring (19) is arranged between the negative electrode conductive plate (4) and the hydrogen-oxygen electrode plate (6), a sealing ring (19) is arranged between the hydrogen-oxygen electrode plate (6) and the proton membrane (13), and second vent holes (20) with matched sizes are arranged on the sealing ring (19) at positions corresponding to the first rectangular through hole (8) and the second rectangular through hole (9).
7. The air duct type hydrogen fuel cell according to claim 1, 2, 3 or 4, wherein the air duct joint (12) is sleeved with an O-ring (21), and the O-ring (21) is located between the positive electrode end plate (1) and the positive electrode conductive plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121115340.0U CN215578636U (en) | 2021-05-24 | 2021-05-24 | Air duct type hydrogen fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121115340.0U CN215578636U (en) | 2021-05-24 | 2021-05-24 | Air duct type hydrogen fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215578636U true CN215578636U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121115340.0U Active CN215578636U (en) | 2021-05-24 | 2021-05-24 | Air duct type hydrogen fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215578636U (en) |
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2021
- 2021-05-24 CN CN202121115340.0U patent/CN215578636U/en active Active
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