CN108832154A - Dual polar plates of proton exchange membrane fuel cell - Google Patents
Dual polar plates of proton exchange membrane fuel cell Download PDFInfo
- Publication number
- CN108832154A CN108832154A CN201810666653.1A CN201810666653A CN108832154A CN 108832154 A CN108832154 A CN 108832154A CN 201810666653 A CN201810666653 A CN 201810666653A CN 108832154 A CN108832154 A CN 108832154A
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- Prior art keywords
- runner
- unipolar plate
- cathode
- boss
- anode
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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
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
- H01M8/026—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
-
- 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
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1007—Fuel cells with solid electrolytes with both reactants being gaseous or vaporised
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- 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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- 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 invention discloses a metal double-plate for proton exchange film fuel cell, cathode unipolar plate and anode unipolar plate made of sheet metal are constituted, the runner of unipolar plate is made of flow field runner, distribution runner and inlet and outlet channel, distributing runner is dotted runner, dotted runner is the runner from constituting to the mutually discrete boss of unipolar plate front protrusion, the back side of boss is pit, the pit at the boss back side in cathode unipolar plate and the pit at the boss back side in anode unipolar plate are in be staggered, front and back opposing lap joint ends constitute the water flow distribution runner continuously concatenated.The bipolar plate thickness is thin, the mutual strict separation of fluid, fluid distributes, is light-weight, the processing is simple, processing cost is low；The effective usable floor area of bipolar plates is high, and fluid resistance distributing uniformity is good, can satisfy different battery heat exchange amount needs.
Description
Technical field
The present invention relates to the metal double polar plates of a proton exchanging film fuel battery.
Background technique
Metal double polar plates are easy to produce in batches, and can increase substantially fuel cell pack because its thickness is small, light-weight
Volumetric specific power and gravimetric specific power and receive significant attention.All-metal bipolar plates truly refer to：Utilize metal foil
Plate is processed into hydrogen, oxygen unipolar plate by the forming techniques such as being molded or squeezing, and two panels unipolar plate only passes through bonding or welding
Constitute bipolar plates；The all-metal bipolar plates can provide gas inlet and outlet and circulation passage and directly be tied using two plates simultaneously
Close and formed separate chamber as cryogen inlet and outlet and circulation passage.The above-mentioned functional requirement of all-metal bipolar plates is improved to knot
The difficulty of structure design, therefore, currently, all-metal bipolar plates truly are not very much.
Summary of the invention
The present invention proposes a kind of pem cell metal double polar plates, the dual polar plates of proton exchange membrane fuel cell
Thickness is thin, and processing cost is low, and air cavity Drag distribution uniformity and cooling water cavity Drag distribution uniformity are good, can satisfy different electricity
Pond heat exchange amount needs.
The technical proposal of the invention is realized in this way：
The metal double polar plates of one proton exchanging film fuel battery, including cathode unipolar plate and anode unipolar plate, cathode unipolar plate
Front with anode unipolar plate is cathode and anode chamber respectively, and the back side of cathode and anode veneer is opposite, enough at cooling water cavity, cathode and anode
The flow field runner that unipolar plate is made of middle part concave convex groove, the distribution runner at flow field runner both ends and with distribution runner be connected into
Exit passageway composition, the one end for distributing runner are connected to flow field runner, and the other end is passed in and out with hydrogen inlet and outlet channel, air respectively
Mouth channel is connected to water flow inlet and outlet channel,
The coolant liquid inlet and outlet runner of the cooling chamber is serpentine flow path；
The distribution runner at straight parallel type groove flow field runner both ends is dotted runner, and the dotted runner is to cathode list
Pole plate and the mutually discrete boss shape of anode unipolar plate front protrusion at runner, the back side of boss is pit, boss
The upper plane of the protrusion of upper plane and straight parallel type groove flow field runner is in approximately the same plane, the lower plane of boss with it is parallel
The lower plane of straight type groove flow field runner is in approximately the same plane, both the back side phase of the lower plane of cathode and anode unipolar plate boss
Mutually support, the mutually discrete boss the perpendicular and horizontal both direction of distribution runner of unipolar plate it is arranged in parallel or
Arranged in parallel in a direction, another direction is staggered；
Intermediate dc field flow road is made of parallel protrusion and groove, runner height be protruding apex to groove-bottom away from
From；
The cooling chamber is located at upper and lower ends, and air chamber and hydrogen chamber are respectively distributed to two sides.
Optionally, intermediate dc field flow road is different from air and hydrogen distribution runner height, the intermediate dc field
Runner distributes runner lower than air and hydrogen, and air and hydrogen distribute the upper plane and intermediate dc field flow road of the channelizing island of runner
The upper plane of protrusion is in approximately the same plane, the lower plane and intermediate dc field flow road of air and hydrogen distribution runner supporting point
Not in the same plane, the lower plane of supporting point is lower than the lower plane of intermediate dc field runner trench to the lower plane of groove.
Optionally, the projection shape of shown dotted runner is one of round, rectangular, oval and diamond shape.
Optionally, four vertex of the cathode and anode unipolar plate are equipped with outer positioning turning, on the outer positioning turning
It is additionally provided with interior location hole；Two inspection jacks are additionally provided on each outer positioning turning；The inspection jack is by setting respectively
Position that on turning, direction is opposite and along lug boss two-by-two by direct stamping forming lug boss outside cathode and anode unipolar plate
Composition is welded and fixed in length direction.
Using above-mentioned technical proposal, beneficial effects of the present invention are：
For the dual polar plates of proton exchange membrane fuel cell by sheet metal punch forming, cathode and anode unipolar plate is correspondingly connected with composition, empty
Air cavity, hydrogen chamber and three cavity area of cooling chamber are evenly distributed, and such distribution can enhance bipolar plates edge strength, weld in two-plate
It is unlikely to deform when fixed；Cathode unipolar plate mainly plays a part of to distribute gas to the supporting point of positive protrusion, to reverse side protrusion
Channelizing island mainly plays a part of to support cooling chamber runner；On the contrary, the channelizing island of front protrusion plays distribution gas in anode unipolar plate
The effect of support cooling chamber runner is lighted in the effect of body, the support of reverse side protrusion, and the channelizing island in cathode unipolar plate is in two-plate
Play the role of main support contact surface after fastening, support strength can be enhanced.
The bipolar plate thickness is thin, the mutual strict separation of fluid, fluid distributes, is light-weight, the processing is simple, processing cost
It is low；Effective usable floor area of bipolar plates is improved, air cavity Drag distribution uniformity and cooling water cavity Drag distribution uniformity are good, cold
But water cavity resistance to water-flow changes by adjusting anode and cathode chamber flow field patterns and sealed groove depth, can satisfy different batteries and changes
Heat needs.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.
Fig. 1 is the cathode plate structural schematic diagram of dual polar plates of proton exchange membrane fuel cell provided by the present invention；
Fig. 2 is the anode plate structure schematic diagram of dual polar plates of proton exchange membrane fuel cell provided by the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides the metal double polar plates of a proton exchanging film fuel battery, including cathode unipolar plate and anode list
The front of pole plate, cathode unipolar plate and anode unipolar plate is cathode and anode chamber respectively, and the back side of cathode and anode veneer is opposite, enough at cold
But water cavity, the flow field runner that cathode and anode unipolar plate is made of middle part concave convex groove, the distribution runner at flow field runner both ends and with point
Inlet and outlet channel composition with runner connection, the one end for distributing runner are connected to flow field runner, and the other end is passed in and out with hydrogen respectively
Mouth channel, air ports channel are connected to water flow inlet and outlet channel,
The coolant liquid inlet and outlet runner of the cooling chamber is serpentine flow path；
The distribution runner at straight parallel type groove flow field runner both ends is dotted runner, and the dotted runner is to cathode list
Pole plate and the mutually discrete boss shape of anode unipolar plate front protrusion at runner, the back side of boss is pit, boss
The upper plane of the protrusion of upper plane and straight parallel type groove flow field runner is in approximately the same plane, the lower plane of boss with it is parallel
The lower plane of straight type groove flow field runner is in approximately the same plane, both the back side phase of the lower plane of cathode and anode unipolar plate boss
Mutually support, the mutually discrete boss the perpendicular and horizontal both direction of distribution runner of unipolar plate it is arranged in parallel or
Arranged in parallel in a direction, another direction is staggered；
Intermediate dc field flow road is made of parallel protrusion and groove, runner height be protruding apex to groove-bottom away from
From；
The cooling chamber is located at upper and lower ends, and air chamber and hydrogen chamber are respectively distributed to two sides.
The dual polar plates of proton exchange membrane fuel cell is correspondingly connected with structure by sheet metal punch forming, cathode and anode unipolar plate
At air chamber, hydrogen chamber and three cavity area of cooling chamber are evenly distributed, and such distribution can enhance bipolar plates edge strength, at the two poles of the earth
It is unlikely to deform when plate is welded and fixed；Cathode unipolar plate mainly plays a part of to distribute gas to the supporting point of positive protrusion, to reverse side
The channelizing island of protrusion mainly plays a part of to support cooling chamber runner；On the contrary, the channelizing island of front protrusion rises in anode unipolar plate
The effect of gas is distributed, the effect of support cooling chamber runner is lighted in the support of reverse side protrusion, and the channelizing island in cathode unipolar plate exists
Two-plate plays the role of main support contact surface after fastening, and support strength can be enhanced.
The bipolar plate thickness is thin, the mutual strict separation of fluid, fluid distributes, is light-weight, the processing is simple, processing cost
It is low；Effective usable floor area of bipolar plates is improved, air cavity Drag distribution uniformity and cooling water cavity Drag distribution uniformity are good, cold
But water cavity resistance to water-flow changes by adjusting anode and cathode chamber flow field patterns and sealed groove depth, can satisfy different batteries and changes
Heat needs.
Specifically, intermediate dc field flow road is different from air and hydrogen distribution runner height, the intermediate dc field
Runner distributes runner lower than air and hydrogen, and air and hydrogen distribute the upper plane and intermediate dc field flow road of the channelizing island of runner
The upper plane of protrusion is in approximately the same plane, the lower plane and intermediate dc field flow road of air and hydrogen distribution runner supporting point
Not in the same plane, the lower plane of supporting point is lower than the lower plane of intermediate dc field runner trench to the lower plane of groove.
Wherein, the projection shape of shown dotted runner is one of round, rectangular, oval and diamond shape.
In a kind of preferred embodiment, four vertex of the cathode and anode unipolar plate are equipped with outer positioning turning, institute
It states and is additionally provided with interior location hole on outer positioning turning；Two inspection jacks are additionally provided on each outer positioning turning；The inspection
Jack be by be respectively provided at position outside cathode and anode unipolar plate it is on turning, by direct stamping forming lug boss direction phase two-by-two
Composition is welded and fixed to and along the length direction of lug boss.
As shown in Figure 1 and Figure 2, anode and cathode unipolar plate be equipped with air chamber highway 1,5, hydrogen chamber highway 2,
4, cooling chamber highway 3,6, cathode flow field runner 7,9, anode flow field runner 10,11, anode and cathode intermediate dc field flow road 8.
Air direct：Air chamber highway 1, cathode flow field runner 7, cathode intermediate dc field flow road 8, cathode flow field stream
Road 9, air chamber highway 5；As shown in Figure 1；
Hydrogen trend：Hydrogen chamber highway 2, anode flow field runner 10, anode intermediate dc field flow road 8, anode flow field runner
11, hydrogen chamber highway 4；As shown in Figure 2.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. the metal double polar plates of a proton exchanging film fuel battery, including cathode unipolar plate and anode unipolar plate, cathode monopole
The front of plate and anode unipolar plate is cathode and anode chamber respectively, and the back side of cathode and anode veneer is opposite, enough at cooling water cavity, yin, yang
The flow field runner that pole unipolar plate is made of middle part concave convex groove, the distribution runner at flow field runner both ends and is connected to distribution runner
Import and export channel composition, the one end for distributing runner is connected to flow field runner, the other end imported and exported respectively with hydrogen channel, air into
Exit passageway is connected to water flow inlet and outlet channel, characterized in that
The coolant liquid inlet and outlet runner of the cooling chamber is serpentine flow path；
The distribution runner at straight parallel type groove flow field runner both ends is dotted runner, and the dotted runner is to cathode list
Pole plate and the mutually discrete boss shape of anode unipolar plate front protrusion at runner, the back side of boss is pit, boss
The upper plane of the protrusion of upper plane and straight parallel type groove flow field runner is in approximately the same plane, the lower plane of boss with it is parallel
The lower plane of straight type groove flow field runner is in approximately the same plane, both the back side phase of the lower plane of cathode and anode unipolar plate boss
Mutually support, the mutually discrete boss the perpendicular and horizontal both direction of distribution runner of unipolar plate it is arranged in parallel or
Arranged in parallel in a direction, another direction is staggered；
Intermediate dc field flow road is made of parallel protrusion and groove, runner height be protruding apex to groove-bottom away from
From；
The cooling chamber is located at upper and lower ends, and air chamber and hydrogen chamber are respectively distributed to two sides.
2. the metal double polar plates of Proton Exchange Membrane Fuel Cells as described in claim 1, which is characterized in that the intermediate dc
Field flow road is different from air and hydrogen distribution runner height, and intermediate dc field flow road distributes runner lower than air and hydrogen,
The upper plane of channelizing island and the upper plane of intermediate dc field flow road protrusion of air and hydrogen distribution runner are in approximately the same plane
On, the lower plane of the lower plane and intermediate dc field runner trench of air and hydrogen distribution runner supporting point is not in approximately the same plane
On, the lower plane of supporting point is lower than the lower plane of intermediate dc field runner trench.
3. the metal double polar plates of Proton Exchange Membrane Fuel Cells as described in claim 1, which is characterized in that shown dotted runner
Projection shape be one of round, rectangular, oval and diamond shape.
4. the metal double polar plates of Proton Exchange Membrane Fuel Cells as described in claim 1, which is characterized in that the cathode and anode
Four vertex of unipolar plate are equipped with outer positioning turning, are additionally provided with interior location hole on the outer positioning turning；It is each described outer
Positioning is additionally provided with two inspection jacks on turning；The inspection jack is to position turning by being respectively provided at outside cathode and anode unipolar plate
On, by direct stamping forming lug boss, direction is opposite two-by-two and is welded and fixed and constitutes along the length direction of lug boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810666653.1A CN108832154A (en) | 2018-06-26 | 2018-06-26 | Dual polar plates of proton exchange membrane fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810666653.1A CN108832154A (en) | 2018-06-26 | 2018-06-26 | Dual polar plates of proton exchange membrane fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108832154A true CN108832154A (en) | 2018-11-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810666653.1A Withdrawn CN108832154A (en) | 2018-06-26 | 2018-06-26 | Dual polar plates of proton exchange membrane fuel cell |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473681A (en) * | 2018-12-13 | 2019-03-15 | 新源动力股份有限公司 | A kind of fuel battery double plates with intermittent configuration |
| CN109786782A (en) * | 2018-12-25 | 2019-05-21 | 北京汽车集团有限公司 | Fuel battery double plates, fuel cell pack and vehicle |
| CN110085887A (en) * | 2019-05-28 | 2019-08-02 | 西安热工研究院有限公司 | A kind of fuel battery double plates |
| CN110492125A (en) * | 2019-07-26 | 2019-11-22 | 珠海格力电器股份有限公司 | A kind of hardened structure, double panel assemblies and the fuel cell with it |
| CN110828842A (en) * | 2019-11-14 | 2020-02-21 | 上海电气集团股份有限公司 | Novel bipolar plate distribution head of proton exchange membrane fuel cell |
| CN112242535A (en) * | 2019-07-16 | 2021-01-19 | 未势能源科技有限公司 | Bipolar plate structure for fuel cell, fuel cell and fuel cell vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101101993A (en) * | 2007-08-02 | 2008-01-09 | 上海交通大学 | Proton exchange film fuel battery dual-pole board based on thin plate punching |
| CN101572318A (en) * | 2009-06-16 | 2009-11-04 | 新源动力股份有限公司 | Proton exchange membrane fuel cell metal bipolar plate |
| CN103151531A (en) * | 2013-02-27 | 2013-06-12 | 新源动力股份有限公司 | Metal bipolar plate of proton exchange membrane fuel cell beneficial to fluid distribution |
-
2018
- 2018-06-26 CN CN201810666653.1A patent/CN108832154A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101993A (en) * | 2007-08-02 | 2008-01-09 | 上海交通大学 | Proton exchange film fuel battery dual-pole board based on thin plate punching |
| CN101572318A (en) * | 2009-06-16 | 2009-11-04 | 新源动力股份有限公司 | Proton exchange membrane fuel cell metal bipolar plate |
| CN103151531A (en) * | 2013-02-27 | 2013-06-12 | 新源动力股份有限公司 | Metal bipolar plate of proton exchange membrane fuel cell beneficial to fluid distribution |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473681A (en) * | 2018-12-13 | 2019-03-15 | 新源动力股份有限公司 | A kind of fuel battery double plates with intermittent configuration |
| CN109473681B (en) * | 2018-12-13 | 2024-04-26 | 新源动力股份有限公司 | Fuel cell bipolar plate with intermittent structure |
| CN109786782A (en) * | 2018-12-25 | 2019-05-21 | 北京汽车集团有限公司 | Fuel battery double plates, fuel cell pack and vehicle |
| CN109786782B (en) * | 2018-12-25 | 2021-03-09 | 北京汽车集团有限公司 | Fuel cell bipolar plate, fuel cell stack and vehicle |
| CN110085887A (en) * | 2019-05-28 | 2019-08-02 | 西安热工研究院有限公司 | A kind of fuel battery double plates |
| CN112242535A (en) * | 2019-07-16 | 2021-01-19 | 未势能源科技有限公司 | Bipolar plate structure for fuel cell, fuel cell and fuel cell vehicle |
| CN112242535B (en) * | 2019-07-16 | 2022-03-22 | 未势能源科技有限公司 | Bipolar plate structure for fuel cell, fuel cell and fuel cell vehicle |
| CN110492125A (en) * | 2019-07-26 | 2019-11-22 | 珠海格力电器股份有限公司 | A kind of hardened structure, double panel assemblies and the fuel cell with it |
| CN110492125B (en) * | 2019-07-26 | 2020-10-30 | 珠海格力电器股份有限公司 | Plate structure, double-plate device and fuel cell with same |
| CN110828842A (en) * | 2019-11-14 | 2020-02-21 | 上海电气集团股份有限公司 | Novel bipolar plate distribution head of proton exchange membrane fuel cell |
| CN110828842B (en) * | 2019-11-14 | 2022-08-19 | 上海电气集团股份有限公司 | Proton exchange membrane fuel cell bipolar plate distribution head |
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Application publication date: 20181116 |