CN113471476A - Fuel cell power generation module and application thereof - Google Patents
Fuel cell power generation module and application thereof Download PDFInfo
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- CN113471476A CN113471476A CN202110640647.0A CN202110640647A CN113471476A CN 113471476 A CN113471476 A CN 113471476A CN 202110640647 A CN202110640647 A CN 202110640647A CN 113471476 A CN113471476 A CN 113471476A
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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
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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
- H01M8/02—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
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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
- H01M8/02—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
- H01M8/0263—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
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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
- H01M8/04—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
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
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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 Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
本发明提供燃料电池发电模块及其应用，属于燃料电池领域，发电模块包括圆环柱状空冷燃料电堆、设置于圆环柱状空冷燃料电堆一端的散热风扇和另一端的挡板；圆环柱状空冷燃料电堆包括多个依次堆叠的圆环形双极板和圆环形膜电极；在圆环形双极板内部相邻设置氢气入口和氢气出口，阳极流道为从氢气入口至氢气出口的圆环形直通流道、同心圆蛇形流道或并行蛇形流道，在圆环形双极板的阴极侧设置从圆心呈放射状阵列排布的凸起，凸起间的间隙形成阴极流道。本发明提出的发电模块可以实现近360°的空气流通，最大化提升空气流量；圆环柱状空冷燃料电堆还可置于无人机机翼上，节省机身内部空间，同时增加空气通入量和散热。
The invention provides a fuel cell power generation module and an application thereof, belonging to the field of fuel cells. The power generation module comprises a circular cylindrical air-cooled fuel cell stack, a cooling fan arranged at one end of the circular cylindrical air-cooled fuel cell stack, and a baffle plate at the other end; The air-cooled fuel stack includes a plurality of annular bipolar plates and annular membrane electrodes stacked in sequence; a hydrogen inlet and a hydrogen outlet are arranged adjacent to the inside of the annular bipolar plate, and the anode flow channel is from the hydrogen inlet to the hydrogen outlet The circular straight through flow channel, concentric circular serpentine flow channel or parallel serpentine flow channel is provided on the cathode side of the annular bipolar plate with protrusions arranged in a radial array from the center of the circle, and the gap between the protrusions forms the cathode runner. The power generation module proposed by the present invention can realize nearly 360° air circulation and maximize the air flow; the circular cylindrical air-cooled fuel cell stack can also be placed on the wing of the drone, saving the internal space of the fuselage, and at the same time increasing the air intake volume and heat dissipation.
Description
Technical Field
The invention belongs to the field of fuel cells, and particularly relates to a fuel cell power generation module and application thereof.
Background
Proton exchange fuel cells (PEMFCs) have the advantages of low pollution, high efficiency, fast response, etc., have been receiving more and more attention and research from people, and their application fields can reach the aspects of life in aviation, ships, new energy vehicles, etc. The chemical energy is converted into electric energy by adopting a non-combustion means, the direct power generation efficiency can reach 45 percent, and the method is the main direction for seeking to replace the traditional energy at present. At present, the fuel cell mainly comprises an air-cooling fuel cell and a water-cooling fuel cell, and the application scenes and the cooling modes of the fuel cells are completely different. Because of for water-cooling fuel cell pile, air cooling fuel cell pile's small, the structure is succinct, does not need additionally to add cooling medium, so air cooling fuel cell pile has extensive application prospect in fields such as unmanned aerial vehicle, stand-by power supply, and windy ground.
In the unmanned aerial vehicle field, current air cooling fuel cell is applied to inside unmanned aerial vehicle mainly arranges the fuselage of aircraft in with the battery, and it occupies the volume of great part, and aircraft inner space is more crowded, probably causes the heat dissipation of battery insufficient, causes output voltage's unstability. The air reaching the interior of the fuselage cannot be very sufficient at the same time, which can also exacerbate the heat dissipation problem of the battery, since it acts as an oxidant and as a coolant.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the fuel cell power generation module and the application thereof, so that air is introduced into the pile from the direction of nearly 360 degrees, the flow of the air is maximally improved, and the fuel cell power generation module is also applied to the wings of the unmanned aerial vehicle, so that the outboard arrangement of the body of the fuel cell power generation module is realized.
The specific technical scheme of the invention is as follows:
the fuel cell power generation module is characterized by comprising a circular columnar air-cooled fuel electric pile, a cooling fan arranged at one end of the circular columnar air-cooled fuel electric pile and a baffle arranged at the other end of the circular columnar air-cooled fuel electric pile; the annular columnar air-cooled fuel galvanic pile comprises a plurality of sequentially stacked annular bipolar plates and annular membrane electrodes; the hydrogen inlet and the hydrogen outlet are adjacently arranged in the annular bipolar plate, the anode flow channel is an annular straight flow channel, a concentric circle snake-shaped flow channel or a parallel snake-shaped flow channel from the hydrogen inlet to the hydrogen outlet, the cathode side of the annular bipolar plate is provided with bulges which are radially arranged from the circle center, and gaps among the bulges form a cathode flow channel.
Further, the protrusion is a cylinder or a trapezoid body with the upper surface facing the center of a circle.
Furthermore, a cathode runner formed by gaps among the guide strips radially arranged from the circle center is adopted to replace a cathode runner formed by gaps among the bulges radially arranged from the circle center; the whole diversion strip is in a trapezoid shape and is composed of a plurality of small trapezoids.
Furthermore, the cooling fan is connected with one end of the annular cylindrical air-cooled fuel electric pile through the air guide sleeve and used for guiding air.
Further, air is sucked from the outer circle side of the annular bipolar plate under the forced convection action of the cooling fan, and heat is led out and taken away from the inner circle side of the annular bipolar plate and is exhausted through the cooling fan.
Further, air is sucked from one side of the inner circle of the annular bipolar plate through the cooling fan under the action of forced convection of the cooling fan, and heat is led out from one side of the outer circle of the annular bipolar plate and taken away.
The invention also provides an application of the fuel cell power generation module in the unmanned aerial vehicle.
The utility model provides an unmanned aerial vehicle based on circular column air cooling fuel galvanic pile, a serial communication port, set up circular column air cooling fuel galvanic pile on unmanned aerial vehicle's wing, the one end of circular column air cooling fuel galvanic pile is towards the aircraft nose direction, the other end is provided with the baffle, inside the air current that unmanned aerial vehicle formed when flying gets into ring shape bipolar plate from the aircraft nose direction one end of orientation of circular column air cooling fuel galvanic pile, derive and take away the heat from ring shape bipolar plate's excircle one side after the reaction.
The invention has the beneficial effects that:
1. the invention provides a fuel cell power generation module, wherein a cathode flow channel of a circular bipolar plate is formed by gaps among bulges which are radially arrayed from the circle center, and the radially arrayed design is beneficial to more sufficient air to reach one side of the inner circle of the circular bipolar plate, so that the air circulation of nearly 360 degrees can be realized, the air flow is maximally improved, and the heat dissipation requirement of a stack is met;
2. according to the invention, the annular columnar air-cooled fuel galvanic pile is applied to the unmanned aerial vehicle, the galvanic pile is arranged outside the body, the internal space of the body is saved to carry more fuel, meanwhile, the problem of insufficient air inlet amount of the battery and the problem of heat dissipation are well solved, and the safety performance of the unmanned aerial vehicle during flying is improved.
Drawings
FIG. 1 is a schematic view of an anode flow channel of a fuel cell power generation module obtained in example 1 of the present invention;
FIG. 2 is a schematic view of a cathode flow channel of a fuel cell power module obtained in example 1 of the present invention;
FIG. 3 is a schematic structural view of a fuel cell power generation module obtained in example 1 of the invention;
FIG. 4 is a schematic view showing an anode flow channel of a fuel cell power generation module obtained in example 2 of the present invention;
FIG. 5 is a schematic view showing a cathode flow channel of a fuel cell power generation module obtained in example 2 of the present invention;
fig. 6 is a schematic structural view of a fuel cell power generation module obtained in example 2 of the present invention;
FIG. 7 is a schematic view showing an anode flow channel of a fuel cell power generation module obtained in example 3 of the present invention;
FIG. 8 is a schematic view showing a cathode flow channel of a fuel cell power module obtained in example 3 of the present invention;
fig. 9 is a schematic structural view of an unmanned aerial vehicle based on a circular column-shaped air-cooled fuel cell stack according to embodiment 2 in embodiment 4 of the present invention;
the reference numbers are as follows:
an 1: hydrogen inlet
An 2: hydrogen outlet
An 3: flow guide groove from hydrogen inlet to reaction area
An 4: flow guide groove from reaction area to hydrogen outlet
An 5: anode runner
Ca 1: cathode flow channel
Edge: edge of sealing ring
Seal: sealing area of sealing ring
Air 1: air in pile
Air 2: air out of pile
And (4) Board: baffle plate
Fan: heat radiation fan
And (4) Stack: circular ring column shape air cooling fuel electric pile
M: electric motor
Load: load(s)
H2: hydrogen storage tank
L1: hydrogen conveying pipeline
Wire: power transmission line
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the following embodiments and the accompanying drawings.
The following non-limiting examples are presented to enable those of ordinary skill in the art to more fully understand the present invention and are not intended to limit the invention in any way.
Example 1
The present embodiment provides a fuel cell power generation module, as shown in fig. 3, including an annular cylindrical air-cooled fuel cell Stack, a radiator Fan disposed at one end of the annular cylindrical air-cooled fuel cell Stack, and a baffle Board disposed at the other end of the annular cylindrical air-cooled fuel cell Stack, the baffle Board being configured to allow air to flow only between the inside of the annular cylindrical air-cooled fuel cell Stack and the radiator Fan;
the annular columnar air-cooled fuel galvanic pile Stack comprises a plurality of sequentially stacked annular bipolar plates and annular membrane electrodes; as shown in fig. 1, a hydrogen inlet An1 and a hydrogen outlet An2 are adjacently arranged inside the annular bipolar plate, the anode flow channel An5 is An annular straight-through flow channel from the hydrogen inlet An1 to the hydrogen outlet An2, at this time, hydrogen is introduced from the hydrogen inlet An1, and is led out to the hydrogen outlet An2 through a flow guide groove An3 from the hydrogen inlet to the reaction region, the anode flow channel An5, and a flow guide groove An4 from the reaction region to the hydrogen outlet; as shown in fig. 2, trapezoidal bodies are arranged on the cathode side of the annular bipolar plate in a radial array from the center of circle, the upper surfaces of the trapezoidal bodies are arranged toward the center of circle, and a cathode flow channel Ca1 is formed by the gaps between the trapezoidal bodies.
Air is sucked from one side of the outer circle of the annular bipolar plate under the forced convection action of the cooling Fan, and is vertically convected with hydrogen in the annular membrane electrode, so that the air and the hydrogen are in favor of reaction, and then the air is led out from one side of the inner circle of the annular bipolar plate, takes away heat and is discharged through the cooling Fan.
Example 2
The present embodiment provides a fuel cell power generation module, as shown in fig. 6, including an annular cylindrical air-cooled fuel cell Stack, a radiator Fan disposed at one end of the annular cylindrical air-cooled fuel cell Stack, and a baffle Board disposed at the other end of the annular cylindrical air-cooled fuel cell Stack, the baffle Board being configured to allow air to flow only between the inside of the annular cylindrical air-cooled fuel cell Stack and the radiator Fan;
the annular columnar air-cooled fuel galvanic pile Stack comprises a plurality of sequentially stacked annular bipolar plates and annular membrane electrodes; as shown in fig. 4, a hydrogen inlet An1 and a hydrogen outlet An2 are adjacently arranged inside the annular bipolar plate, the anode flow channel An5 is a concentric serpentine flow channel from the hydrogen inlet An1 to the hydrogen outlet An2, at this time, hydrogen is introduced from the hydrogen inlet An1, and is led out to the hydrogen outlet An2 through a flow guide groove An3 from the hydrogen inlet to the reaction region, An anode flow channel An5, and a flow guide groove An4 from the reaction region to the hydrogen outlet; as shown in fig. 5, the cathode side of the circular bipolar plate is provided with cylinders arranged in a radial array from the center, and the gaps between the cylinders form cathode flow channels Ca 1.
Air is sucked from one side of the inner circle of the annular bipolar plate through the cooling Fan under the action of forced convection of the cooling Fan, and is vertically convected with hydrogen in the annular membrane electrode, so that the air and the hydrogen are in favor of reaction, and then the air is led out from one side of the outer circle of the annular bipolar plate and takes away heat.
Example 3
The embodiment provides a fuel cell power generation module, which comprises an annular cylindrical air-cooled fuel cell Stack, a cooling Fan arranged at one end of the annular cylindrical air-cooled fuel cell Stack, and a baffle Board arranged at the other end of the annular cylindrical air-cooled fuel cell Stack, wherein the baffle Board is used for enabling air to circulate only between the inside of the annular cylindrical air-cooled fuel cell Stack and the cooling Fan;
the annular columnar air-cooled fuel galvanic pile Stack comprises a plurality of sequentially stacked annular bipolar plates and annular membrane electrodes; as shown in fig. 7, a hydrogen inlet An1 and a hydrogen outlet An2 are adjacently arranged inside the annular bipolar plate, the anode flow channel An5 is a parallel serpentine flow channel from the hydrogen inlet An1 to the hydrogen outlet An2, at this time, hydrogen is introduced from the hydrogen inlet An1, and is led out to the hydrogen outlet An2 through a flow guide groove An3 from the hydrogen inlet to the reaction region, the anode flow channel An5, and a flow guide groove An4 from the reaction region to the hydrogen outlet; as shown in fig. 8, the cathode side of the annular bipolar plate is provided with guide strips arranged in a radial array from the center of the circle, the guide strips are overall trapezoidal and are composed of a plurality of small trapezoids, and the gaps between the small trapezoids form a cathode flow channel Ca 1.
Air is sucked from one side of the outer circle of the annular bipolar plate under the forced convection action of the cooling Fan, and is vertically convected with hydrogen in the annular membrane electrode, so that the air and the hydrogen are in favor of reaction, and then the air is led out from one side of the inner circle of the annular bipolar plate, takes away heat and is discharged through the cooling Fan.
Example 4
This embodiment provides an unmanned aerial vehicle based on embodiment 2 annular column air cooling fuel cell Stack, as shown in fig. 9, be equipped with motor M, Load and hydrogen storage tank H in unmanned aerial vehicle's fuselage inside2The annular columnar air-cooled fuel cell Stack disclosed in the embodiment 2 is arranged on a wing of the unmanned aerial vehicle, one end of the annular columnar air-cooled fuel cell Stack faces the direction of a machine head, and the other end of the annular columnar air-cooled fuel cell Stack is provided with a baffle Board; hydrogen storage tank H2And a hydrogen inlet An1 of the annular cylindrical air-cooled fuel cell Stack is connected through a hydrogen conveying pipeline L1 to provide hydrogen for the annular cylindrical air-cooled fuel cell Stack.
The air current that forms during unmanned aerial vehicle flight gets into inside the ring shape bipolar plate from the aircraft nose direction one end of orientation of ring column air cooling fuel galvanic pile Stack, derives and takes away the heat from ring shape bipolar plate's excircle one side after the reaction.
The circular ring column air-cooling fuel electric pile Stack supplies power to the Load through a power transmission line Wire.
Claims (5)
1. The fuel cell power generation module is characterized by comprising a circular cylindrical air-cooled fuel electric pile, a cooling fan arranged at one end of the circular cylindrical air-cooled fuel electric pile and a baffle plate at the other end of the circular cylindrical air-cooled fuel electric pile; the annular columnar air-cooled fuel galvanic pile comprises a plurality of sequentially stacked annular bipolar plates and annular membrane electrodes; the hydrogen inlet and the hydrogen outlet are adjacently arranged in the annular bipolar plate, the anode flow channel is an annular straight flow channel, a concentric circle snake-shaped flow channel or a parallel snake-shaped flow channel from the hydrogen inlet to the hydrogen outlet, the cathode side of the annular bipolar plate is provided with bulges which are radially arranged from the circle center, and gaps among the bulges form a cathode flow channel.
2. A fuel cell power generation module according to claim 1, wherein the projection is a cylindrical body or a trapezoidal body having a center facing the center.
3. The fuel cell power generation module according to claim 1, wherein a cathode flow channel constituted by gaps between the guide strips arranged radially from the center of the circle is used instead of a cathode flow channel constituted by gaps between the protrusions arranged in a radial array from the center of the circle; the whole diversion strip is in a trapezoid shape and is composed of a plurality of small trapezoids.
4. The fuel cell power generation module of claim 1, wherein the heat dissipation fan is coupled to one end of the annular cylindrical air-cooled fuel cell stack by an air guide sleeve.
5. An unmanned aerial vehicle based on the circular column-shaped air-cooled fuel cell stack as claimed in claim 1, wherein the circular column-shaped air-cooled fuel cell stack is arranged on a wing of the unmanned aerial vehicle, one end of the circular column-shaped air-cooled fuel cell stack faces the machine head direction, and the other end of the circular column-shaped air-cooled fuel cell stack is provided with a baffle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110640647.0A CN113471476A (en) | 2021-06-09 | 2021-06-09 | Fuel cell power generation module and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110640647.0A CN113471476A (en) | 2021-06-09 | 2021-06-09 | Fuel cell power generation module and application thereof |
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| CN113471476A true CN113471476A (en) | 2021-10-01 |
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| CN202110640647.0A Pending CN113471476A (en) | 2021-06-09 | 2021-06-09 | Fuel cell power generation module and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115064721A (en) * | 2022-06-08 | 2022-09-16 | 上海电气集团股份有限公司 | Air-cooled fuel single cell assembly and air-cooled fuel cell stack structure |
| DK202200635A1 (en) * | 2022-07-01 | 2024-02-26 | Green Hydrogen Systems As | Method of assembly of a water electrolysis stack, bipolar plates adapted for use in an electrolyser stack and use of bipolar plates. |
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| CN1917266A (en) * | 2005-08-16 | 2007-02-21 | 比亚迪股份有限公司 | Fuel cell stack |
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| CN205891272U (en) * | 2016-07-02 | 2017-01-18 | 江西联博科技有限公司 | Novel agricultural unmanned aerial vehicle |
| KR101757442B1 (en) * | 2016-02-22 | 2017-07-12 | 하이리움산업(주) | Fuel Cell Power-pack for Multi-copter |
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2021
- 2021-06-09 CN CN202110640647.0A patent/CN113471476A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1622375A (en) * | 2003-11-28 | 2005-06-01 | 上海河森电气有限公司 | Low-pressure air breathing fuel cell pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115064721A (en) * | 2022-06-08 | 2022-09-16 | 上海电气集团股份有限公司 | Air-cooled fuel single cell assembly and air-cooled fuel cell stack structure |
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| DK202200635A1 (en) * | 2022-07-01 | 2024-02-26 | Green Hydrogen Systems As | Method of assembly of a water electrolysis stack, bipolar plates adapted for use in an electrolyser stack and use of bipolar plates. |
| DK181478B1 (en) * | 2022-07-01 | 2024-02-26 | Green Hydrogen Systems As | Method of assembly of a water electrolysis stack, bipolar plates adapted for use in an electrolyser stack and use of bipolar plates. |
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