CN107946605A - Bipolar plate runner manufacturing process and bipolar plate runner - Google Patents
Bipolar plate runner manufacturing process and bipolar plate runner Download PDFInfo
- Publication number
- CN107946605A CN107946605A CN201711337495.7A CN201711337495A CN107946605A CN 107946605 A CN107946605 A CN 107946605A CN 201711337495 A CN201711337495 A CN 201711337495A CN 107946605 A CN107946605 A CN 107946605A
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- Prior art keywords
- runner
- bipolar plate
- manufacturing process
- plate runner
- bipolar
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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
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8875—Methods for shaping the electrode into free-standing bodies, like sheets, films or grids, e.g. moulding, hot-pressing, casting without support, extrusion without support
-
- 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
-
- 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
Abstract
The present invention provides a kind of bipolar plate runner manufacturing process and bipolar plate runner, it is related to the technical field of fuel cell, bipolar plate runner manufacturing process comprises the following steps：A) conductive agent, surfactant and deionized water are mixed；B) obtained mixture is stirred well to conductive agent in the pasty state and surfactant-dispersed is uniform, to form slurry；C) halftone of bipolar plate runner is made；D) silk-screen printing is carried out on a metal plate using slurry and halftone；E) metallic plate printed is put into the drying process that different temperatures three times is carried out in drying unit；F) dried metallic plate is carried out rewinding processing；G) repeat step a e.The bipolar plate runner manufacturing process compared with prior art, can reduce mould die sinking expense, and will not be limited by metal material self-characteristic, fine processing technique and existing for stamping process the problem of thickness limit.
Description
Technical field
The present invention relates to field of fuel cell technology, more particularly, to a kind of bipolar plate runner manufacturing process and bipolar plates stream
Road.
Background technology
Fuel cell be it is a kind of by hydrogen and oxygen by electrochemical oxidation reactions and the device that generates electricity, wherein, proton is handed over
It is typically to be alternately stacked to form by components such as membrane electrode, gas diffusion layers, bipolar plates to change membrane cell.Bipolar plates are broadly divided into
Graphite bi-polar plate, composite material double pole plate and metal double polar plates.Sheet metal has higher intensity and good conduction, leads
Hot property, the prices of raw materials are cheap and suitable mass production method, are the first choices of fuel cell industrialization.
The mainstream manufacturing process of metal double polar plates is metal stamping forming technology.However, in order to continue to improve fuel cell
Power density, further reduce fuel cell development cost, and metal plate punching process is faced with two problems：First, strike out
The mould die sinking expense of shape metallic plate is high, if cathode-anode plate uses different flow field structures, cathode-anode plate just needs out two
Width grinding tool, this will greatly increase development cost；If anode and cathode flow field plate structure is adjusted, it is necessary to new mold,
Technology upgrading is with high costs.Second, metal material self-characteristic and fine processing technique are limited by, stamping process exists thick
Limits properties are spent, minimum punching press thickness is in 300 microns.
Therefore, the metal stamping forming technology die sinking of the prior art is costly, and make the slimmings of bipolar plates by
To restriction.
The content of the invention
It is an object of the invention to provide a kind of bipolar plate runner manufacturing process and bipolar plate runner, to improve the prior art
Present in the die sinking of metal stamping forming technology it is costly, and the technology for making the slimming of bipolar plates be restricted is asked
Topic.
Bipolar plate runner manufacturing process provided by the invention, the technique comprise the following steps：
A) conductive agent, surfactant and deionized water are mixed；
B) obtained mixture is sufficiently stirred in the pasty state and surfactant-dispersed is uniform, to form slurry；
C) halftone of bipolar plate runner is made；
D) silk-screen printing is carried out on a metal plate using slurry and halftone；
E) metallic plate printed is put into the drying process that different temperatures three times is carried out in drying unit；
F) dried metallic plate is carried out rewinding processing；
G) repeat step a-e.
Further, it is further comprising the steps of before step c)：
Addition dispersion liquid is stirred in the slurry.
Further, it is further comprising the steps of before step d)：
Electrochemical plating film process is carried out to the surface of metallic plate.
Further, mixture is stirred with the rotating speed of 80-120rpm.
Further, slurry and dispersion liquid are stirred with the rotating speed of 100rpm.
Further, when the runner of runner or air that hydrogen is printed in metal sheet surface, metallic plate is filled in drying
The temperature for putting the drying process three times of middle progress is respectively：70-80℃、110-120℃、80-90℃.
Further, when metal sheet surface printing cooling water runner when, metallic plate carried out in drying unit three
The temperature of secondary drying process is respectively：75-85℃、115-125℃、85-95℃.
Further, the thickness of metallic plate is 50-500 microns.
Further, present invention also offers a kind of bipolar plate runner, the bipolar plate runner to manufacture work by bipolar plate runner
Skill is made.
Further, bipolar plate runner includes multiple flow field ditch ridges；One is formed between the adjacent flow field ditch ridge of each two
Runner；The width and height of flow field ditch ridge are 100-1000 microns；The width of runner is 100-1000 microns.
Bipolar plate runner manufacturing process provided by the invention, in the fabrication process, first by conductive agent, surfactant,
Deionized water mixes according to a certain percentage, and mixture is sufficiently stirred blender to conductive agent into fuzzy shape, surfactant
It is uniformly dispersed, to form slurry.Then the halftone and slurry of runner will be got out, to metallic plate in strict accordance with typography into
Row silk-screen printing, is dried processing to complete the printing of metallic plate one side by three-stage drying tower.Then will be dried
The step of metallic plate rewind processing, carries out the printing of metallic plate another side, printing is identical with above-mentioned steps.
The bipolar plate runner manufacturing process can be to realize low cost by optimizing halftone design and adjusting slurry concentration
The mass production of metal bipolar plate runner, compared with prior art, can reduce mould die sinking expense, and will not be limited by
Metal material self-characteristic, fine processing technique and existing for stamping process the problem of thickness limit.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the FB(flow block) of bipolar plate runner manufacturing process provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of bipolar plate runner provided in an embodiment of the present invention；
Fig. 3 is the structure diagram for the bipolar plate runner that another embodiment of the present invention provides；
Fig. 4 is the structure diagram for the bipolar plate runner that further embodiment of this invention provides.
Icon：1- metallic plates；2- flow fields ditch ridge；3- runners；4- fluid inlets；5- fluid outlets；21- the first ditch ridges；22-
Second ditch ridge.
Embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, such as occur term " " center ", " on ", " under ", "left", "right",
" vertical ", " level ", " interior ", " outer " etc., orientation or position relationship indicated by it are based on orientation shown in the drawings or position
Relation, is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, as occurred
Term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Fig. 1 is the FB(flow block) of bipolar plate runner manufacturing process provided in an embodiment of the present invention；Fig. 2 is the embodiment of the present invention
The structure diagram of the bipolar plate runner of offer；Fig. 3 is the structural representation for the bipolar plate runner that another embodiment of the present invention provides
Figure；Fig. 4 is the structure diagram for the bipolar plate runner that further embodiment of this invention provides；As shown in Figure 1, Figure 2, Fig. 3 and Fig. 4 institutes
Show, bipolar plate runner manufacturing process provided in this embodiment, the technique comprises the following steps：
A) conductive agent, surfactant and deionized water are mixed；
B) obtained mixture is sufficiently stirred in the pasty state and surfactant-dispersed is uniform, to form slurry；
C) halftone of bipolar plate runner is made；
D) silk-screen printing is carried out on metallic plate 1 using slurry and halftone；
E) metallic plate 1 printed is put into the drying process that different temperatures three times is carried out in drying unit；
F) dried metallic plate 1 is carried out rewinding processing；
G) repeat step a-e.
Wherein, conductive agent can select the materials such as graphite, carbon black or acetylene black.
Further, surfactant can select Triton X-100.
Further, stainless steel or titanium alloy material etc. can be selected in metallic plate 1.
Further, drying unit can be drying tower or drying baker etc..
Further, during bipolar plates are manufactured, more halftone typesetting combined printing methods can be used, with one block of gold
Belong to plate 1 and print multiple unipolar plates at the same time.After the positive and negative of metallic plate 1 is completed for printing, cutting metallic plate 1 obtains multiple lists
Pole plate.
Further, cutting can use air to cut.It is preferred that carrying out nitrogen cutting using laser, can so keep away
Exempt from cutting and produce burr.
Further, processing is rewinded as by 1 reverse side of metallic plate of printed one side so as to carry out the printing process of another side.
Further, the viscosity of halftone and slurry can be adjusted according to actual conditions.
Bipolar plate runner manufacturing process provided in this embodiment, in the fabrication process, first by conductive agent, surface-active
Agent, deionized water mix according to a certain percentage, and mixture is sufficiently stirred blender to conductive agent into fuzzy shape, surface-active
Agent is uniformly dispersed, to form slurry.Then the halftone and slurry of runner 3 will be got out, to metallic plate 1 in strict accordance with printer
Skill carries out silk-screen printing, and processing is dried by three-stage drying tower to complete the printing of 1 one side of metallic plate.Then by drying
The step of metallic plate 1 afterwards rewind processing, carries out the printing of 1 another side of metallic plate, printing is identical with above-mentioned steps.
The bipolar plate runner manufacturing process can be to realize low cost by optimizing halftone design and adjusting slurry concentration
The mass production of metal bipolar plate runner, compared with prior art, can reduce mould die sinking expense, and will not be limited by
Metal material self-characteristic, fine processing technique and existing for stamping process the problem of thickness limit.
It is further, further comprising the steps of before step c) on the basis of above-described embodiment：
Addition dispersion liquid is stirred in the slurry.
Wherein, dispersion liquid can select polytetrafluoroethylene (PTFE).
In the present embodiment, after the slurry of appropriate viscosity is obtained, into slurry, addition dispersion liquid continues to stir, such energy
The hydrophobicity of runner 3 is enough improved, accelerates the draining of fuel cell, prevents the generation of water logging phenomenon.
It is further, further comprising the steps of before step d) on the basis of above-described embodiment：
Electrochemical plating film process is carried out to the surface of metallic plate 1.
In the present embodiment, electrochemical plating film process is carried out to the surface of metallic plate 1 before printing, can so improve gold
Belong to the corrosion resistance and electric conductivity of plate 1, so as to improve the performance of bipolar plates, and then improve the performance of fuel cell.
On the basis of above-described embodiment, further, mixture is stirred with the rotating speed of 80-120rpm.
Wherein, using mixer be sufficiently stirred 1 it is small when.
In the present embodiment, in use, mixture is stirred with the rotating speed of 80-120rpm.This stirring turns
Speed can make the surfactant-dispersed in slurries more uniform, improve the performance of slurry.
On the basis of above-described embodiment, further, slurry and dispersion liquid are stirred with the rotating speed of 100rpm.
Wherein, using mixer be sufficiently stirred 2 it is small when.
In the present embodiment, in use, slurry and dispersion liquid are stirred with the rotating speed of 100rpm.This stirring
Rotating speed can make slurry and dispersion liquid mixing more uniform, and can obtain preferably viscosity, so as to improve the slurry finally obtained
The performance of body.
On the basis of above-described embodiment, further, when the runner 3 or air in 1 surface printing hydrogen of metallic plate
Runner 3 when, the temperature for the drying process three times that metallic plate 1 carries out in drying unit is respectively：70-80℃、110-120
℃、80-90℃。
Wherein, it is preferred that the temperature for the drying process three times that metallic plate 1 carries out in drying unit is respectively：75℃、
115℃、85℃。
In the present embodiment, the temperature range of the drying process three times of metallic plate 1 can obtain the runner 3 of hydrogen and air
On the premise of runner 3, the generation of processing crackle is reduced.
On the basis of above-described embodiment, further, when in the runner 3 of 1 surface printing cooling water of metallic plate, metal
The temperature for the drying process three times that plate 1 carries out in drying unit is respectively：75-85℃、115-125℃、85-95℃.
Wherein, it is preferred that the temperature for the drying process three times that metallic plate 1 carries out in drying unit is respectively：80℃、
120℃、90℃。
In the present embodiment, the temperature range of the drying process three times of metallic plate 1 can be in the premise for the runner 3 for obtaining cooling water
Under, reduce the generation of processing crackle.
On the basis of above-described embodiment, further, the thickness of metallic plate 1 is 50-500 microns.
In the present embodiment, the thickness of metallic plate 1 is 50-500 microns.This thickness can be suitable for the bipolar plate runner
On the premise of manufacturing process, the slimming and lightweight of bipolar plates are made.
On the basis of above-described embodiment, further, present invention also offers a kind of bipolar plate runner, the bipolar plates stream
Road is made of bipolar plate runner manufacturing process.
In the present embodiment, bipolar plate runner is made of above-mentioned bipolar plate runner manufacturing process.The system of this bipolar plate runner
Make that cost is relatively low, and the metallic plate 1 of more polymorphic type or thickness can be suitable for, realize retrofit.
As shown in Fig. 2, Fig. 3 and Fig. 4, on the basis of above-described embodiment, further, bipolar plate runner includes multiple
Flow field ditch ridge 2；A runner 3 is formed between the adjacent flow field ditch ridge 2 of each two；The width of flow field ditch ridge 2 and height are
100-1000 microns；The width of runner 3 is 100-1000 microns.
Wherein, runner 3 be along with the shape in the section of extending direction being vertically a variety of, such as：Triangle, it is trapezoidal or
Rectangle etc..
Further, it is preferred that the width of flow field ditch ridge 2 and height are 100-300 microns.
Further, it is preferred that the width of runner 3 is 100-300 microns.
Further, on the premise of it can ensure bipolar plates performance, shorten the length of runner 3, that is, shorten the biography of fluid
Defeated distance.In the case where inlet and outlet pressure loss is certain, the increase of pressure loss gradient, realizes Quick drainage, avoids electricity
The generation of pole water logging phenomenon, therefore more low power air compressor machine can be equipped with.
Further, the shape of flow field ditch ridge 2 can be waveform.
Further, multiple flow field ditch ridges 2 are horizontally spaced about successively.Horizontal setting can reduce fluid in circulation
During the resistance that runs into, reduce the loss of pressure.
Further, runner 3 is multiple；Multiple runners 3 are arranged at intervals successively；One end of each runner 3 is that fluid enters
Mouth 4, the other end is fluid outlet 5.In use, the fluid inlet 4 of fluid from multiple runners 3 enters, by runner 3
Flowed out from fluid outlet 5.The speed that fluid circulates in runner 3 can not only so be accelerated, reduce what is run into the process of circulation
Resistance, additionally it is possible to make fluid distrbution more uniform.
Further, flow field ditch ridge 2 can be two, two 2 serpentine-like settings of flow field ditch ridge, i.e. runner 3 is serpentine-like
Set.In use, fluid enters from the fluid inlet 4 of one end of runner 3, the fluid by runner 3 from its other end
The outflow of outlet 5.
Further, flow field ditch ridge 2 includes multiple first ditch ridges 21 and the second ditch ridge 22；Multiple first ditch ridges 21 and multiple
Second ditch ridge 22 is staggered to form multiple runners 3；The first end of multiple first ditch ridges 21 is sequentially connected, multiple second ditch ridges
22 second end is sequentially connected, to make multiple runners 3 be interconnected and serpentine-like setting.In use, fluid is from snakelike
The fluid inlet 4 of 3 one end of runner is passed through, and is flowed out by serpentine flow path 3 from the fluid outlet 5 of its other end, serpentine flow path 3 is set
The utilization rate of effective area can be improved by putting.
Bipolar plate runner provided in this embodiment, in use, fluid enter from one end of runner 3, along runner 3 from
Its other end flows out.The width and height of the flow field ditch ridge 2 of the bipolar plate runner are 100-1000 microns, the width of runner 3
For 100-1000 microns, it is more equal that the setting of this ultra-fine densification runner 3 can make fluid be distributed during runner 3 circulates
It is even, import and export other pressure losses it is certain in the case of, the increase of pressure loss gradient, therefore can be equipped with more low power sky
Press, avoids developing powerful air compressor machine, can also prevent the reduction of fuel cell system effective power.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of bipolar plate runner manufacturing process, it is characterised in that comprise the following steps：
A) conductive agent, surfactant and deionized water are mixed；
B) obtained mixture is sufficiently stirred in the pasty state and surfactant-dispersed is uniform, to form slurry；
C) halftone of bipolar plate runner is made；
D) silk-screen printing is carried out on a metal plate using slurry and halftone；
E) metallic plate printed is put into the drying process that different temperatures three times is carried out in drying unit；
F) dried metallic plate is carried out rewinding processing；
G) repeat step a-e.
2. bipolar plate runner manufacturing process according to claim 1, it is characterised in that further included before step c) following
Step：
Addition dispersion liquid is stirred in the slurry.
3. bipolar plate runner manufacturing process according to claim 1, it is characterised in that further included before step d) following
Step：
Electrochemical plating film process is carried out to the surface of metallic plate.
4. bipolar plate runner manufacturing process according to claim 1, it is characterised in that by mixture with 80-120rpm's
Rotating speed is stirred.
5. bipolar plate runner manufacturing process according to claim 2, it is characterised in that by slurry and dispersion liquid with 100rpm
Rotating speed be stirred.
6. bipolar plate runner manufacturing process according to claim 1, it is characterised in that when in metal sheet surface printing hydrogen
Runner or air runner when, the temperature for the drying process three times that metallic plate carries out in drying unit is respectively：70-80
℃、110-120℃、80-90℃。
7. bipolar plate runner manufacturing process according to claim 1, it is characterised in that cooled down when being printed in metal sheet surface
During the runner of water, the temperature for the drying process three times that metallic plate carries out in drying unit is respectively：75-85℃、115-125
℃、85-95℃。
8. bipolar plate runner manufacturing process according to claim 1, it is characterised in that the thickness of metallic plate is micro- for 50-500
Rice.
9. a kind of bipolar plate runner, it is characterised in that the bipolar plate runner is bipolar by such as claim 1-8 any one of them
Plate runner manufacturing process is made.
10. bipolar plate runner according to claim 9, it is characterised in that including multiple flow field ditch ridges；
A runner is formed between the adjacent flow field ditch ridge of each two；The width and height of the flow field ditch ridge are 100-
1000 microns；The width of the runner is 100-1000 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711337495.7A CN107946605A (en) | 2017-12-14 | 2017-12-14 | Bipolar plate runner manufacturing process and bipolar plate runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711337495.7A CN107946605A (en) | 2017-12-14 | 2017-12-14 | Bipolar plate runner manufacturing process and bipolar plate runner |
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| Publication Number | Publication Date |
|---|---|
| CN107946605A true CN107946605A (en) | 2018-04-20 |
Family
ID=61943263
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711337495.7A Pending CN107946605A (en) | 2017-12-14 | 2017-12-14 | Bipolar plate runner manufacturing process and bipolar plate runner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963297A (en) * | 2018-06-29 | 2018-12-07 | 上海交通大学 | The waveform flow channels for proton exchange membrane fuel cells of convection current under a kind of reinforcing ridge |
| CN112829486A (en) * | 2021-01-22 | 2021-05-25 | 中汽创智科技有限公司 | Printing slurry, bipolar plate flow field using same and processing method thereof |
| CN113937329A (en) * | 2021-11-03 | 2022-01-14 | 无锡威孚高科技集团股份有限公司 | Fuel cell unit and fuel cell stack |
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| WO1999056333A1 (en) * | 1998-04-23 | 1999-11-04 | Ballard Power Systems Inc. | Fuel cell flow-field structure formed by layer deposition |
| US20050221141A1 (en) * | 2004-03-15 | 2005-10-06 | Hampden-Smith Mark J | Modified carbon products, their use in proton exchange membranes and similar devices and methods relating to the same |
| US20070154771A1 (en) * | 2006-01-04 | 2007-07-05 | Jang Bor Z | Highly conductive composites for fuel cell flow field plates and bipolar plates |
| CN101140990A (en) * | 2006-09-08 | 2008-03-12 | 新源动力股份有限公司 | Application of electric pole gaseous diffusion layer in fuel batter with proton exchange film |
| CN101632978A (en) * | 2009-08-09 | 2010-01-27 | 江苏新源动力有限公司 | Method for gluing bipolar plate |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999056333A1 (en) * | 1998-04-23 | 1999-11-04 | Ballard Power Systems Inc. | Fuel cell flow-field structure formed by layer deposition |
| US20050221141A1 (en) * | 2004-03-15 | 2005-10-06 | Hampden-Smith Mark J | Modified carbon products, their use in proton exchange membranes and similar devices and methods relating to the same |
| US20070154771A1 (en) * | 2006-01-04 | 2007-07-05 | Jang Bor Z | Highly conductive composites for fuel cell flow field plates and bipolar plates |
| CN101140990A (en) * | 2006-09-08 | 2008-03-12 | 新源动力股份有限公司 | Application of electric pole gaseous diffusion layer in fuel batter with proton exchange film |
| CN101632978A (en) * | 2009-08-09 | 2010-01-27 | 江苏新源动力有限公司 | Method for gluing bipolar plate |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963297A (en) * | 2018-06-29 | 2018-12-07 | 上海交通大学 | The waveform flow channels for proton exchange membrane fuel cells of convection current under a kind of reinforcing ridge |
| CN108963297B (en) * | 2018-06-29 | 2020-07-14 | 上海交通大学 | Wave-shaped proton exchange membrane fuel cell flow channel for strengthening under-ridge convection |
| CN112829486A (en) * | 2021-01-22 | 2021-05-25 | 中汽创智科技有限公司 | Printing slurry, bipolar plate flow field using same and processing method thereof |
| CN112829486B (en) * | 2021-01-22 | 2023-02-28 | 中汽创智科技有限公司 | Printing slurry, bipolar plate flow field using same and processing method thereof |
| CN113937329A (en) * | 2021-11-03 | 2022-01-14 | 无锡威孚高科技集团股份有限公司 | Fuel cell unit and fuel cell stack |
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