CN107681176A - A kind of air-cooled fuel battery double plates and method for strengthening radiating effect - Google Patents
A kind of air-cooled fuel battery double plates and method for strengthening radiating effect Download PDFInfo
- Publication number
- CN107681176A CN107681176A CN201711097983.5A CN201711097983A CN107681176A CN 107681176 A CN107681176 A CN 107681176A CN 201711097983 A CN201711097983 A CN 201711097983A CN 107681176 A CN107681176 A CN 107681176A
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- China
- Prior art keywords
- fin
- air
- radiating effect
- fuel battery
- cathode plate
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Classifications
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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
- H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
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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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- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The present invention relates to a kind of air-cooled fuel battery double plates and method for strengthening radiating effect, including metallic cathode plate, metallic anode plate and fin.Heat radiating fin structure is identical with metallic cathode harden structure.Compared with prior art, fin can be while film-cooled heat be increased, and resistance is as far as possible small, increases heat dissipation capacity, and is not directly contacted with membrane electrode, does not interfere with the performance of membrane electrode.
Description
Technical field
The present invention relates to a kind of air-cooled fuel battery metal double polar plate and method, particularly a kind of wind for strengthening radiating effect
Cold fuel cell bipolar plates and method.
Background technology
Fuel cell is generally made up of multiple battery units, and each battery unit includes anode and negative electrode, multiple monocells
Fuel cell pile is composed in series, by giving anode supply reactant, negative electrode supply oxidant, realizes electrochemical reaction, so as to
Produce electric energy.
Bipolar plates are to form the pith of monocell, and minus plate and anode are separated, and be reactant and oxygen by bipolar plates
The circulation of agent provides space, is referred to as " runner ".Bipolar plates not only need to provide the runner of reactant, it is also necessary to after discharge reaction
The water and heat of generation, avoid because of accumulation of heat and caused by fuel cell can not work and shorten the life-span.For this bipolar plates not only
There are reactant runner, oxidant flow channel, also to there is cooling medium runner, cooling medium takes away heat caused by reaction in flowing
Amount.
The power of fuel cell radiating consumption accounts for the 50~60% of fuel cell output power, so fuel cell radiates
The quality of effect can directly influence the power output of fuel cell.
As a shown in Figure 6, conventional air-cooled fuel battery double plates are made up of metallic cathode plate 1 and metallic anode plate 2, metal
The cross section of minus plate 1 is concavo-convex alternate shape, is cooling medium runner 4 in the convex of metallic cathode plate 1, metallic cathode plate
It is reactant runner 5 in 1 recess.Metallic anode plate 2 is flat board, positioned at the bottom of metallic cathode plate 1.In conventional air-cooled fuel electricity
During the radiating of pond bipolar plates, generally use fan metal double polar plates side air draught, come ensure the consumption of the oxygen of fuel cell and
Radiating effect.In the case where air quantity is certain, radiating effect depends primarily on the area of metallic cathode plate, such air-cooled fuel
The heat-sinking capability of battery is not high, poor radiation.
In addition, application number：201210592538.7 patent, although also increasing fin, area of dissipation is increased,
It is that the patent has following defect.(1) fin of the patent increases resistance, makes pile in face of the flow direction of cooling medium
Power loss increase during operation.(2) fin of the patent is stood among yin, yang pole plate, is increased the volume of pile, is made electricity
The volumetric specific power of heap reduces.(3) the integrated bipolar plate structure assembling of the patent is difficult, is unfavorable for producing in batches.
The content of the invention
The technology of the present invention solves problem：Overcome the shortcomings of existing air-cooled fuel cell poor radiation, there is provided one kind enhancing
The air-cooled fuel battery double plates and method of radiating effect, increase area of dissipation, can effectively improve air-cooled fuel cell
Power output；Also, fin is not directly contacted with membrane electrode, membrane electrode will not be caused to damage.
The technology of the present invention solution：A kind of air-cooled fuel battery double plates for strengthening radiating effect, including metal anode
Plate and metallic cathode plate, its feature are：Also include fin, the cooling medium runner of the fin insertion metallic cathode plate
It is interior.
The cross section of the fin is ripple type.A waveform in the ripple type at least be present.Ripple institute shape
Into angular range be 15 ° -75 °.
The distance of fin and the metallic cathode plate is not less than 0.2mm, and spacing is too small, and excessive resistance can be caused to damage
Lose.
The material of the fin is identical with metallic cathode plate, or from higher than the thermal conductivity factor of metallic cathode plate, close
Spend small material.
A kind of method for strengthening air-cooled fuel battery double plates radiating effect provided by the invention, it is bipolar in cold fuel cell
Fin is set on the inside of the coolant flow channel of the metallic cathode plate of plate.
A kind of method of air-cooled fuel battery double plates for manufacturing enhancing radiating effect provided by the invention, step are：It is first
First fin is fixed in metallic anode plate, fin position correspondence below the cooling medium runner of metallic cathode plate, then
Metallic cathode plate is fixed in metallic anode plate.
The present invention compared with prior art the advantages of be：
(1) present invention sets fin on the inside of the coolant flow channel of metallic cathode plate, increases area of dissipation, more can be effective
Reduce the loss of fuel cell output power.Also, fin is not directly contacted with membrane electrode, membrane electrode will not be caused to damage.
(2) invention increases the area of dissipation of cooling medium runner, air-cooled fuel cell radiating efficiency is improved, hence it is evident that
Reduction fuel cell pack temperature, reduce fuel cell fan or blower fan be used for radiate energy consumption, improve bipolar plates by with
Heat-sinking capability when fuel cell.
(3) present invention is simple in construction, and fin is fixed on the inside of coolant flow channel, does not increase volume, and effective increase dissipates
Hot area, the effective loss for reducing fuel cell output power, improves fuel cell output power.
Brief description of the drawings
Fig. 1 is conventional air-cooled fuel battery double plates schematic diagram；
Fig. 2 is the structural representation of the air-cooled fuel battery double plates of the first enhancing radiating effect；
Fig. 3 is the structural representation of the air-cooled fuel battery double plates of second of enhancing radiating effect；
Fig. 4 is Fig. 2 sectional view；
Fig. 5 is Fig. 3 sectional view；
Fig. 6 is the structural representation of the metallic cathode plate of the present invention；
Fig. 7 is the first heat sink structure illustration；
Fig. 8 is second of heat sink structure illustration.
Embodiment
Further illustrate with reference to the accompanying drawings and detailed description to the present invention.
As shown in Fig. 2,4 or 3,5, the present invention includes metallic cathode plate 1, metallic anode plate 2 and fin 3.Metallic cathode
The cross section of plate 1 is concavo-convex alternate bellows-shaped.Metallic anode plate 2 is flat board.The cross section of fin 3 is corrugated, Gu
It is scheduled in metallic anode plate 2, in embedded cooling medium runner 4.Waveform in the ripple type of fin 3, at least in the presence of a waveform.
The angle that ripple is formed is 15 °~75 °, preferably 45 °.
As shown in Figure 3,4, during installation, fin 3 is fixed in metallic anode plate 2 first, its position correspondence is in metal
The lower section of cooling medium runner 4 of minus plate 1, then metallic cathode plate 1 is fixed in metallic anode plate 2.
The present invention sets fin 3 in cooling medium runner 4, increases area of dissipation, cooling medium is passed through runner
When take away more heats, reach more preferable radiating effect.
Embodiment 1：As shown in Fig. 2,4 or 3,5, the present invention includes metallic cathode plate 1, metallic anode plate 2 and fin 3.
The cross section of metallic cathode plate 1 is the cross section approximate right angle shape of concavo-convex alternate bellows-shaped, recess and convex.Metal anode
Plate 2 is flat board.The cross section of fin 3 is corrugated, is fixed in metallic anode plate 2, in embedded cooling medium runner 4.
As shown in Figure 3,4, during installation, fin 3 is fixed in metallic anode plate 2 first, its position correspondence is in metal
The lower section of cooling medium runner 4 of minus plate 1, then metallic cathode plate 1 is fixed in metallic anode plate 2.
Embodiment 2：Metallic cathode plate 1, fin 3, metallic anode plate 2 by mould molding, are then welded on one respectively
Rise, form bipolar plates.As shown in Figure 2 and Figure 3, fin 3 does not increase bipolar among metallic cathode plate 1 and metallic anode plate 2
Plate bulk, in coolant flow channel, resistance is small.Bipolar plates convenient formation, the effective performance for improving pile, and be the work(of pile
Rate density is substantially improved.
Embodiment 3：The distance of fin 3 and metallic cathode plate 1 is not less than 0.2mm, and spacing is too small, can cause excessive resistance
Power is lost.
Embodiment 4：The material of fin 3 is identical with metallic cathode plate 1, or from the thermal conductivity factor than metallic cathode plate
Material high, density is small.It is best using aluminum foil material effect.
Embodiment 5：In the inner side of cooling medium runner 4 of the metallic cathode plate 1 of cold fuel cell bipolar plates, fin is set
3。
Embodiment 6：Fin is fixed in metallic anode plate 2, cooling of the position correspondence of fin 3 in metallic cathode plate
The lower section of medium runner 4, then will be fixed to metallic cathode plate 1 in metallic anode plate 2.
As shown in fig. 7, it is the first structural representation of fin 3.This fin 3 is concavo-convex alternate shape, convex shaped
At least one ripple of band on shape, effectively increases surface area.
As shown in figure 8, it is second of structural representation of fin 3.This fin 3 is concavo-convex alternate shape, convex shaped
At least one ripple of band on shape, effectively increases surface area.
In a word, compared with prior art, fin can be while film-cooled heat be increased, and resistance is as far as possible small by the present invention,
Increase heat dissipation capacity, and be not directly contacted with membrane electrode, do not interfere with the performance of membrane electrode.
Claims (8)
1. a kind of air-cooled fuel battery double plates for strengthening radiating effect, including metallic anode plate and metallic cathode plate, its feature
It is：Also include fin, the fin is embedded in the cooling medium runner of metallic cathode plate.
A kind of 2. air-cooled fuel battery double plates for strengthening radiating effect according to claim 1, it is characterised in that：It is described
The cross section of fin is ripple type.
A kind of 3. air-cooled fuel battery double plates for strengthening radiating effect according to claim 2, it is characterised in that：It is described
A waveform in ripple type at least be present.
A kind of 4. air-cooled fuel battery double plates for strengthening radiating effect according to claim 2, it is characterised in that：It is described
The angular range that ripple is formed is 15 ° -75 °.
A kind of 5. air-cooled fuel battery double plates for strengthening radiating effect according to claim 1, it is characterised in that：It is described
The distance of fin and metallic cathode plate is not less than 0.2mm, and spacing is too small, can cause excessive drag losses.
A kind of 6. air-cooled fuel battery double plates for strengthening radiating effect according to claim 1, it is characterised in that：It is described
The material of fin is identical with metallic cathode plate, or from the material higher than the thermal conductivity factor of metallic cathode plate, density is small.
A kind of 7. method for strengthening air-cooled fuel battery double plates radiating effect, it is characterised in that：In cold fuel cell bipolar plates
Metallic cathode plate coolant flow channel on the inside of set fin.
A kind of 8. method for the air-cooled fuel battery double plates for manufacturing enhancing radiating effect, it is characterised in that：First by fin
It is fixed in metallic anode plate, fin position correspondence is below the cooling medium runner of metallic cathode plate, then by metallic cathode
Plate is fixed in metallic anode plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711097983.5A CN107681176A (en) | 2017-11-09 | 2017-11-09 | A kind of air-cooled fuel battery double plates and method for strengthening radiating effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711097983.5A CN107681176A (en) | 2017-11-09 | 2017-11-09 | A kind of air-cooled fuel battery double plates and method for strengthening radiating effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107681176A true CN107681176A (en) | 2018-02-09 |
Family
ID=61146777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711097983.5A Withdrawn CN107681176A (en) | 2017-11-09 | 2017-11-09 | A kind of air-cooled fuel battery double plates and method for strengthening radiating effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107681176A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571450A (en) * | 2019-08-14 | 2019-12-13 | 浙江高成绿能科技有限公司 | Air-cooled fuel cell stack with strong heat dissipation effect |
| CN112968191A (en) * | 2021-02-22 | 2021-06-15 | 西安交通大学 | Air-cooled fuel cell's cathode flow field plate structure and air-cooled fuel cell |
| CN113921840A (en) * | 2021-09-29 | 2022-01-11 | 中汽创智科技有限公司 | Bipolar plate and galvanic pile |
| CN115863686A (en) * | 2022-12-22 | 2023-03-28 | 华中科技大学 | Air-cooled fuel cell metal bipolar plate with corrugated plate heat dissipation ribs at two ends |
| CN117117251A (en) * | 2023-09-21 | 2023-11-24 | 北京理工大学 | Fuel cell heating technology and temperature control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060029801A (en) * | 2004-10-04 | 2006-04-07 | 삼성에스디아이 주식회사 | Stack for fuel cell and fuel cell system with the same |
| TW200707831A (en) * | 2005-08-08 | 2007-02-16 | Ind Tech Res Inst | Proton exchange membrane type fuel battery and its dual bipolar plate |
| JP2007073444A (en) * | 2005-09-08 | 2007-03-22 | Toyota Motor Corp | Separator for fuel cell |
| EP1830426A1 (en) * | 2006-03-01 | 2007-09-05 | Behr GmbH & Co. KG | Bipolar plate, in particular for the fuel cell pack of a vehicle |
| CN204558587U (en) * | 2015-04-15 | 2015-08-12 | 湖南京湘能源技术有限公司 | A kind of new fuel cell |
-
2017
- 2017-11-09 CN CN201711097983.5A patent/CN107681176A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060029801A (en) * | 2004-10-04 | 2006-04-07 | 삼성에스디아이 주식회사 | Stack for fuel cell and fuel cell system with the same |
| TW200707831A (en) * | 2005-08-08 | 2007-02-16 | Ind Tech Res Inst | Proton exchange membrane type fuel battery and its dual bipolar plate |
| JP2007073444A (en) * | 2005-09-08 | 2007-03-22 | Toyota Motor Corp | Separator for fuel cell |
| EP1830426A1 (en) * | 2006-03-01 | 2007-09-05 | Behr GmbH & Co. KG | Bipolar plate, in particular for the fuel cell pack of a vehicle |
| CN204558587U (en) * | 2015-04-15 | 2015-08-12 | 湖南京湘能源技术有限公司 | A kind of new fuel cell |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571450A (en) * | 2019-08-14 | 2019-12-13 | 浙江高成绿能科技有限公司 | Air-cooled fuel cell stack with strong heat dissipation effect |
| CN112968191A (en) * | 2021-02-22 | 2021-06-15 | 西安交通大学 | Air-cooled fuel cell's cathode flow field plate structure and air-cooled fuel cell |
| CN112968191B (en) * | 2021-02-22 | 2022-06-21 | 西安交通大学 | Cathode flow field plate structure of air-cooled fuel cell and air-cooled fuel cell |
| CN113921840A (en) * | 2021-09-29 | 2022-01-11 | 中汽创智科技有限公司 | Bipolar plate and galvanic pile |
| CN113921840B (en) * | 2021-09-29 | 2023-12-05 | 中汽创智科技有限公司 | Bipolar plate and galvanic pile |
| CN115863686A (en) * | 2022-12-22 | 2023-03-28 | 华中科技大学 | Air-cooled fuel cell metal bipolar plate with corrugated plate heat dissipation ribs at two ends |
| CN117117251A (en) * | 2023-09-21 | 2023-11-24 | 北京理工大学 | Fuel cell heating technology and temperature control method |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Jin Inventor after: Wang Jiangtao Inventor after: Gao Lei Inventor after: Chen Weishan Inventor before: Zhao Jin Inventor before: Wang Jiangtao Inventor before: Gao Lei Inventor before: Chen Weishan Inventor before: Xie Liangfeng |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180209 |