CN113991143B - Proton exchange membrane fuel cell - Google Patents
Proton exchange membrane fuel cell Download PDFInfo
- Publication number
- CN113991143B CN113991143B CN202111236907.4A CN202111236907A CN113991143B CN 113991143 B CN113991143 B CN 113991143B CN 202111236907 A CN202111236907 A CN 202111236907A CN 113991143 B CN113991143 B CN 113991143B
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- plate
- fuel cell
- face
- filter screen
- metal filter
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
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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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
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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
- H01M8/24—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
- H01M8/2475—Enclosures, casings or containers of fuel cell stacks
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Combustion & Propulsion (AREA)
Abstract
The invention discloses a proton exchange membrane fuel cell in the technical field of proton exchange membrane fuel cells, which comprises a fuel cell stack, wherein the upper end face and the lower end face of the fuel cell stack are fixedly connected with end plates, one end face of each end plate is provided with a plate body, a fan is arranged in each plate body, and a connecting mechanism is arranged between each fan and each plate body; the connecting mechanism comprises a first contact plate, a second contact plate and a connecting block, wherein the connecting block is fixedly connected to the upper end face of the fan, the first contact plate is fixedly connected to one end face of the connecting block, the second contact plate is fixedly connected to the inside of the plate body, the connecting block is slidably inserted into the inside of the plate body, the first contact plate and the second contact plate are in contact with each other and fastened, the mounting efficiency is high, the wire connecting part does not need to be subjected to other wire connection operation in the dismounting process, the maintenance operation of workers on the fan can be greatly improved, and the wire connection is stable and safe and practical.
Description
Technical Field
The invention relates to the technical field of proton exchange membrane fuel cells, in particular to a proton exchange membrane fuel cell.
Background
The Proton Exchange Membrane Fuel Cell (PEMFC) is an energy conversion device with high efficiency and cleanness, and the metal bipolar plate air-cooled fuel cell simplifies the cooling, air supply, humidification and other systems of the traditional fuel cell, greatly reduces the weight of the system, and has great application potential in the aspect of portable mobile power sources.
In contrast to chinese patent CN202110116074.1, a proton exchange membrane fuel cell loaded with a cold start system, the contents of which are described in: the metal bipolar plate is made of 316 steel, the fuel cell stack 5 is composed of 38 single cells, and 65 resistance wires 4 are arranged in a crisscross structure. The power of the single resistance wire is 6.5w, the total power is 420w, and the ratio of the diameter of the resistance wire 4 to the minimum size of the cathode air flow channel is 0.5.
The metal bipolar plate has a specific heat capacity of 460J/(kg.K), the galvanic pile is composed of 38 single cells, 65 resistance wires are arranged in a crisscross structure, in the case of the present case, one resistance wire is laid in each transverse cathode flow channel at intervals, one resistance wire is laid in each longitudinal cathode flow channel at intervals of 5 cathode flow channels, and 6 resistance wires are arranged close to the bipolar plate at the end plate in an encrypted mode. The heat dissipation rate of the galvanic pile is 5%. The cold start system of the air-cooled metal bipolar plate proton exchange membrane fuel cell is applied, and the temperature after temperature rise is set to be 0 ℃ at the ambient temperature of minus 40 ℃; after being electrified for 3min, the local highest temperature is not higher than 10 ℃, the overall temperature rise is relatively uniform, and the temperature of the membrane electrode of the electric pile is increased to be more than 0 ℃, the electric pile comprises a cold starting system and a proton exchange membrane fuel cell, wherein the cold starting system comprises a resistance wire, a first metal filter screen, a second metal filter screen and a preheating power supply, and the proton exchange membrane fuel cell comprises a fan and a fuel cell electric pile; the first metal filter screen, the resistance wire, the second metal filter screen, the preheating power supply and the first metal filter screen are sequentially connected in series to form a closed electric loop. On the basis of an air-cooled metal bipolar plate fuel cell, the low-temperature preheating of the fuel cell is realized in a heating mode that a resistance wire is paved on a cathode runner, the metal filtering net structure supplies power to an electric heating wire and can generate heat to preheat the periphery of a galvanic pile, so that the rapid and uniform temperature rise of the galvanic pile is realized.
The existing proton exchange membrane fuel cell can use a metal filter screen according to requirements in the use process, and under the condition of using the component, the subsequent maintenance of the proton exchange membrane fuel cell can not be conveniently carried out by staff, the operation of the staff is inconvenient, and when the fan is used for assisting the fuel cell to work, the fan can not be better replaced and maintained, the connection of a fan circuit is required, and the operation is inconvenient.
Disclosure of Invention
The invention aims to provide a proton exchange membrane fuel cell, which solves the problems that a metal filter screen is used according to requirements, and when the component is used, the subsequent maintenance of the component is inconvenient for staff, the operation of the staff is inconvenient, and when the fan is used for assisting the fuel cell to work, the fan cannot be replaced and maintained well, the connection of a fan circuit is needed, and the operation is inconvenient.
In order to achieve the above purpose, the present invention provides the following technical solutions: the proton exchange membrane fuel cell comprises a fuel cell stack, wherein the upper end face and the lower end face of the fuel cell stack are fixedly connected with end plates, one end face of each end plate is provided with a plate body, a fan is arranged in each plate body, and a connecting mechanism is arranged between each fan and each plate body;
The connecting mechanism comprises a first contact plate, a second contact plate and a connecting block, wherein the connecting block is fixedly connected to the upper end face of the fan, the first contact plate is fixedly connected to one end face of the connecting block, the second contact plate is fixedly connected to the inside of the plate body, the connecting block is slidably inserted into the inside of the plate body, the first contact plate and the second contact plate are in mutual contact fastening connection, electric energy is provided for the fan 6 through a wiring port 8 in the using process, the fan 6 is electrified through contact of the first contact plate 9 and the second contact plate 10, the second contact plate 10 can be directly connected with a wiring port 8 in a way, a good communication effect is achieved on the fan 6, and other wiring operation is not needed for a wiring part in the disassembling and assembling process.
Preferably, a first metal filter screen and a second metal filter screen are respectively arranged on two sides of the fuel cell stack, and the second metal filter screen is positioned between the plate body and the fuel cell stack.
Preferably, be provided with installation mechanism between first metal filter screen and second metal filter screen and the end plate, installation mechanism is including connecting rod, mounting groove and rotatory board, installs mounting panel 16 into the inside of mounting groove 11, and the prerequisite is rotatory to the position that corresponds the logical groove shape with rotatory board 12, just can be smooth afterwards install mounting panel 16, after installing mounting panel 16, and rotatable rotatory board 12, rotatory board 12 can stagger with logical groove shape, and then just can install mounting panel 16 fixedly, has comparatively swift installation effectiveness, and can guarantee the dismouting to first metal filter screen 3 and second metal filter screen 4, and the follow-up staff of being convenient for is comparatively practical to the maintenance of device.
Preferably, the mounting groove is formed in the end plate, the number of the connecting rods is two, and the connecting rods are arranged in the mounting groove.
Preferably, the rotating plate is sleeved at one end of the connecting rod, a damping bearing is arranged between the rotating plate and the connecting rod, and the two connecting rods are arranged at the same level.
Preferably, the upper end face and the lower end face of the first metal filter screen and the second metal filter screen are fixedly connected with mounting plates, the upper end portion of each mounting plate is arranged in each mounting groove, through grooves with the same shape as the vertical section of the rotating plate are formed in the mounting plates, and the through grooves correspond to the rotating plate in position.
Preferably, a screw hole is formed in the corner position of one side face of the end plate, a fixing screw rod penetrates through the plate body and the end plate, and one end of the fixing screw rod is inserted into the screw hole.
Preferably, the number of the fans is a plurality, the fans are arranged in an upper-lower double row mode, and the first contact plate and the second contact plate which are contacted on the fans are electrically connected with the wiring ports.
Compared with the prior art, the invention has the beneficial effects that: install the mounting panel into the inside of mounting groove, the premise will revolve the board and rotate the position that corresponds logical groove shape, afterwards just can be smooth install the mounting panel, after installing the mounting panel, alright rotate the board soon, revolve the board can stagger with logical groove shape, and then just can install the mounting panel fixedly, have comparatively swift installation effectiveness, and can guarantee the dismouting to first metal filter screen and second metal filter screen, be convenient for follow-up staff to the maintenance of device, it is comparatively practical, provide the electric energy through the wiring mouth for the fan in the in-process of using, the fan is through contact plate one and contact plate two contact circular telegrams, contact plate two can be directly with the wiring mouth access connection, have better intercommunication effect to the fan, and the dismouting in-process does not need the wiring operation of junction line part to carry out another, can improve the maintenance operation of staff to the fan greatly, the wiring is connected stably and safely, it is comparatively practical.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a view showing the combination of the fan and the connection block according to the present invention;
FIG. 3 is a view showing the combination of a first contact plate and a second contact plate according to the present invention;
FIG. 4 is a view of the fuel cell stack and end plate combination of the present invention;
Fig. 5 is a view showing the combination of the mounting groove and the spin plate according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. A fuel cell stack; 2. an end plate; 3. a first metal filter screen; 4. a second metal filter screen; 5. a plate body; 6. a fan; 7. a connecting block; 8. a wiring port; 9. a first contact plate; 10. a second contact plate; 11. a mounting groove; 12. a rotating plate; 13. a connecting rod; 14. a fixed screw; 15. a screw hole; 16. and (3) mounting a plate.
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 to 5, the present invention provides a proton exchange membrane fuel cell technical scheme: the fuel cell stack 1 comprises a fuel cell stack 1, wherein the upper end face and the lower end face of the fuel cell stack 1 are fixedly connected with end plates 2, one end face of each end plate 2 is provided with a plate body 5, a fan 6 is arranged in each plate body 5, a connecting mechanism is arranged between each fan 6 and each plate body 5, a screw hole 15 is formed in the corner position of one side face of each end plate 2, a fixing screw 14 penetrates through each plate body 5 and each end plate 2, one end of each fixing screw 14 is inserted into each screw hole 15, the number of the fans 6 is a plurality, the fans are arranged in an upper row and a lower row, and a first contact plate 9 and a second contact plate 10 which are in contact with each fan 6 are electrically connected with a wiring port 8;
The connecting mechanism comprises a first contact plate 9, a second contact plate 10 and a connecting block 7, wherein the connecting block 7 is fixedly connected to the upper end face of the fan 6, the first contact plate 9 is fixedly connected to one end face of the connecting block 7, the second contact plate 10 is fixedly connected to the inside of the plate body 5, the connecting block 7 is slidably inserted into the inside of the plate body 5, and the first contact plate 9 and the second contact plate 10 are in mutual contact and buckling connection.
The fuel cell stack 1 is provided with first metal filter screen 3 and second metal filter screen 4 respectively in both sides, second metal filter screen 4 is located between plate body 5 and the fuel cell stack 1, be provided with installation mechanism between first metal filter screen 3 and second metal filter screen 4 and the end plate 2, installation mechanism is including connecting rod 13, mounting groove 11 and rotatory board 12, the inside at end plate 2 is seted up to mounting groove 11, the quantity of connecting rod 13 is two, and its all sets up in the inside of mounting groove 11, rotatory board 12 cup joints the one end position at connecting rod 13, and be provided with damping bearing between rotatory board 12 and the connecting rod 13, with the level setting between two connecting rods 13, the equal fixedly connected with mounting panel 16 of up and down terminal surface of first metal filter screen 3 and second metal filter screen 4, mounting panel 16 upper end portion sets up in the inside of mounting groove 11, and the through groove of the same shape with rotatory board 12 vertical cross-section is seted up to the inside of mounting panel 16, the through groove corresponds with the position of rotatory board 12 each other.
One specific application of this embodiment is: when the fuel cell stack 1 is used, the first metal filter screen 3, the second metal filter screen 4 and the fuel cell stack 1 are installed, the installation plate 16 is installed in the installation groove 11, the rotating plate 12 is rotated to the position corresponding to the shape of the through groove on the premise, then the installation plate 16 can be smoothly installed, the rotating plate 12 can be rotated after the installation plate 16 is installed, the rotating plate 12 can be staggered with the through groove, the installation plate 16 can be further installed and fixed, the installation efficiency is high, the disassembly and assembly of the first metal filter screen 3 and the second metal filter screen 4 can be ensured, the maintenance of the device by subsequent staff is convenient, the electric energy is supplied to the fan 6 through the wiring port 8 in the using process, the fan 6 is electrified through the contact plate I9 and the contact plate II 10 in a contact mode, the contact plate II 10 can be directly connected with the wiring port 8 in a way, the fan 6 has a good communication effect, in the disassembly and assembly and disassembly processes, the wiring operation is not needed, the wiring operation is carried out on the wiring part, the maintenance operation of the fan 6 is greatly improved, the connection safety is stable, and the practicability is high.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (3)
1. A proton exchange membrane fuel cell comprising a fuel cell stack (1), characterized in that: end plates (2) are fixedly connected to the upper end face and the lower end face of the fuel cell stack (1), a plate body (5) is arranged on one end face of the end plates (2), a fan (6) is arranged in the plate body (5), and a connecting mechanism is arranged between the fan (6) and the plate body (5);
The connecting mechanism comprises a first contact plate (9), a second contact plate (10) and a connecting block (7), wherein the connecting block (7) is fixedly connected to the upper end face of the fan (6), the first contact plate (9) is fixedly connected to one end face of the connecting block (7), the second contact plate (10) is fixedly connected to the inside of the plate body (5), the connecting block (7) is slidably inserted into the inside of the plate body (5), and the first contact plate (9) and the second contact plate (10) are in contact and buckling with each other;
The two sides of the fuel cell stack (1) are respectively provided with a first metal filter screen (3) and a second metal filter screen (4), and the second metal filter screen (4) is positioned between the plate body (5) and the fuel cell stack (1);
A mounting mechanism is arranged between the first metal filter screen (3), the second metal filter screen (4) and the end plate (2), and comprises a connecting rod (13), a mounting groove (11) and a rotating plate (12);
The mounting grooves (11) are formed in the end plate (2), the number of the connecting rods (13) is two, and the connecting rods are arranged in the mounting grooves (11);
The rotary plate (12) is sleeved at one end of the connecting rod (13), a damping bearing is arranged between the rotary plate (12) and the connecting rod (13), and the two connecting rods (13) are arranged in the same level;
The upper end face and the lower end face of the first metal filter screen (3) and the second metal filter screen (4) are fixedly connected with mounting plates (16), the upper end portions of the mounting plates (16) are arranged in the mounting grooves (11), through grooves with the same shape as the vertical section of the rotating plate (12) are formed in the mounting plates (16), and the positions of the through grooves and the rotating plate (12) correspond to each other.
2. A proton exchange membrane fuel cell as claimed in claim 1, wherein: screw holes (15) are formed in the corner positions of one side face of the end plate (2), fixing screws (14) penetrate through the space between the plate body (5) and the end plate (2), and one ends of the fixing screws (14) are inserted into the screw holes (15).
3. A proton exchange membrane fuel cell as claimed in claim 1, wherein: the number of the fans (6) is a plurality, the fans are arranged in an upper-lower double row mode, and the first contact plate (9) and the second contact plate (10) on the fans (6) are electrically connected with the wiring ports (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111236907.4A CN113991143B (en) | 2021-10-24 | 2021-10-24 | Proton exchange membrane fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111236907.4A CN113991143B (en) | 2021-10-24 | 2021-10-24 | Proton exchange membrane fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113991143A CN113991143A (en) | 2022-01-28 |
| CN113991143B true CN113991143B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111236907.4A Active CN113991143B (en) | 2021-10-24 | 2021-10-24 | Proton exchange membrane fuel cell |
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| CN (1) | CN113991143B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114784319B (en) * | 2022-03-21 | 2024-04-02 | 山东大学 | A matrix air-cooled stack box |
Citations (6)
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|---|---|---|---|---|
| WO2002009208A2 (en) * | 2000-07-20 | 2002-01-31 | Proton Energy Systems | Compression member for proton exchange membrane electrochemical cell system |
| CN1645661A (en) * | 2004-01-20 | 2005-07-27 | 布莱特·D·文森特 | Fuel cell system |
| WO2019048156A1 (en) * | 2017-09-07 | 2019-03-14 | Audi Ag | MEMBRANE ELECTRODE ARRANGEMENT, FUEL CELL STACK, AND VEHICLE WITH SUCH A FUEL CELL STACK |
| CN110429298A (en) * | 2019-08-05 | 2019-11-08 | 上海骥翀氢能科技有限公司 | The detection device and its method of one proton exchanging film fuel battery |
| CN212113813U (en) * | 2020-05-25 | 2020-12-08 | 江苏速利达机车有限公司 | New energy battery capable of being flexibly disassembled |
| CN112952153A (en) * | 2021-01-28 | 2021-06-11 | 华中科技大学 | Proton exchange membrane fuel cell loaded with cold start system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293771B (en) * | 2016-03-31 | 2019-09-13 | 清华大学 | The fuel cell |
-
2021
- 2021-10-24 CN CN202111236907.4A patent/CN113991143B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002009208A2 (en) * | 2000-07-20 | 2002-01-31 | Proton Energy Systems | Compression member for proton exchange membrane electrochemical cell system |
| CN1645661A (en) * | 2004-01-20 | 2005-07-27 | 布莱特·D·文森特 | Fuel cell system |
| WO2019048156A1 (en) * | 2017-09-07 | 2019-03-14 | Audi Ag | MEMBRANE ELECTRODE ARRANGEMENT, FUEL CELL STACK, AND VEHICLE WITH SUCH A FUEL CELL STACK |
| CN110429298A (en) * | 2019-08-05 | 2019-11-08 | 上海骥翀氢能科技有限公司 | The detection device and its method of one proton exchanging film fuel battery |
| CN212113813U (en) * | 2020-05-25 | 2020-12-08 | 江苏速利达机车有限公司 | New energy battery capable of being flexibly disassembled |
| CN112952153A (en) * | 2021-01-28 | 2021-06-11 | 华中科技大学 | Proton exchange membrane fuel cell loaded with cold start system |
Non-Patent Citations (1)
| Title |
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| 质子交换膜燃料电池低温启动特性研究;王政;殷聪;;东方电气评论(02);第12-18页 * |
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