CN102306813A - Fuel cell bipolar plate prepared through metal sheet stamping and forming, and application thereof - Google Patents
Fuel cell bipolar plate prepared through metal sheet stamping and forming, and application thereof Download PDFInfo
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- CN102306813A CN102306813A CN201110231853A CN201110231853A CN102306813A CN 102306813 A CN102306813 A CN 102306813A CN 201110231853 A CN201110231853 A CN 201110231853A CN 201110231853 A CN201110231853 A CN 201110231853A CN 102306813 A CN102306813 A CN 102306813A
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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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- 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 discloses a fuel cell bipolar plate prepared through metal sheet stamping and forming. The fuel cell bipolar plate comprises two same gas flow field plates and a middle flow field plate. The two gas flow field sheets and the middle flow field sheet are respectively adopted as an oxidizing agent flow field plate, a fuel gas flow field plate and a coolant flow field plate. The two gas flow field plates are respectively connected with both sides of the middle flow field plate through peripheral contact surfaces of the two gas flow field plates, a sealing material placed in a frame sealing groove, a filling material placed in a filling region and the contact surfaces on both sides of the middle flow field plate to form the fuel cell bipolar plate. Each flow field plate is provided with three inlets and three outlets, the three inlets and the three outlets respectively comprise: an oxidizing agent inlet, a coolant inlet, a fuel gas inlet, an oxidizing agent outlet, a coolant outlet and a fuel gas outlet. According to the fuel cell bipolar plate provided by the present invention, the three metal plates are adopted for forming the bipolar plate through overlapping the frame sealing structure, the liquid flow field groove is positioned on the carina of the other side of the gas flow field plate, and the position of the liquid flow field groove is relative to the gas flow region, the liquid flow field groove arranged on the gas flow field plate and the liquid flow field groove arranged on the coolant flow field plate form the coolant flow channel, such that disadvantages of local deformation and requirement of high welding quality during the bipolar plate forming through the laser welding are avoided, the structure is easy to be realized, the requirement of assembly process is simple and the cost is low.
Description
Technical field
The bipolar plates that the present invention relates to fuel cell is made the field, relates in particular to sheet metal types of fuel cells bipolar plates and application thereof.
Background technology
Since Proton Exchange Membrane Fuel Cells (PEMFC) have cleaning, efficiently, advantage such as the energy is renewable, therefore, PEMFC is expected to replace conventional engine to become the major impetus source of following automobile.The structure of Proton Exchange Membrane Fuel Cells mainly is made up of bipolar plates, proton exchange membrane, catalyst etc.: wherein membrane electrode (MEA) is the core of fuel cell; Bipolar plates as one of PEMFC critical component; Not only occupy the 70%-80% of fuel cell pile weight, and in the production cost of fuel cell pile, also occupy sizable ratio.The graphite-like bipolar plates that conduction is good, be easy to process the flow field is that the commercialization process of PEMFC has been established good start; Also be the plate material that PEMFC extensively adopts, but its bad mechanical strength, processing cost height make it in the industrial applications of PEMFC, lack enough competitiveness.Composite graphite plate, flexible graphite and sheet metal plate all are very potential bipolar plates alternate materials; Than graphite material; Sheet metal is because its favorable mechanical processing characteristics, splendid conductivity; Thermal conductivity and compactness; Be easy to realize the sheet of bipolar plates, greatly reduce the volume and weight of bipolar plates, and cheap; Realize large-scale mass production easily, will become the preferred material that reduces fuel battery pole board.And the bipolar plates instructions for use of direct methanol fuel cell, proton exchange membrane water electrolyzer and regenerative fuel cell etc. is similar with above-mentioned Proton Exchange Membrane Fuel Cells situation.
Retrieval through to the prior art document is found; The Chinese patent publication number is CN 1416184A; Denomination of invention is the patent documentation of " metal compound bipolar plate of a proton exchanging film fuel battery ", and strip-shaped grooves part that will be relative with three-in-one electrode partly constitutes one through bonding or seam with metal edge frame.This patent adopts act as a fuel the respectively cathode-anode plate of battery of two metallic plates; Be connected with metal edge frame; Form bipolar plates; Adopt the form of metallic plate, though on structure, realize more easily, gas flowfield adopts and is confined to the interdigitated flow field structure; Gas flow pressure falls greatly; And the flow field constitutes one through bonding or seam, and laser welding forms bipolar plates local deformation, welding quality requirement height take place, and adhesive possibly produce pollution to electrode in long-term the use.
The Chinese patent publication number is CN 101183723A; Denomination of invention is the patent documentation of " metal sheet profiled dual polar plates of proton exchange membrane fuel cell "; Two identical veneers are fitted and connected through welding symmetry; Gas flow adopts interdigitated; Cooling liquid flowing channel adopts serpentine flow path; Adopt the form of metallic plate; Though it is in light weight; Volume is little but need gas flowfield to adopt interdigitated equally; And be the pressure drop that reduces interdigitated flow field; Improve reaction efficiency; On the ridge of flow field, have some shallow trenchs; Cause gas pressure to fall and compare the big and increase mould manufacture difficulty of serpentine flow path, the flow field exists laser welding to form bipolar plates equally local deformation is taken place through seam; Welding quality requires high.
Therefore, those skilled in the art is devoted to develop a kind of new type of metal types of fuel cells bipolar plates.
Summary of the invention
In view of the above-mentioned defective of prior art, the objective of the invention is to overcome the deficiency of prior art, a kind of fuel battery double plates of metal sheet is provided.Fuel battery double plates of the present invention adopts three metallic plates stacks to assemble, and satisfies fuel cell needed three and advances three and go out i.e. oxidant inlet, cooling liquid inlet, fuel gas inlets, oxidant outlet, cooling liquid outlet and fuel gas outlet.
For realizing above-mentioned purpose, fuel battery double plates of the present invention is realized through following technical scheme.
The stamping forming fuel battery double plates of sheet metal of the present invention; Comprise two identical gas flowfield veneers and a middle flow field veneer; Respectively as oxidant stream field plate, fuel gas flow field plate and cooling fluid flow-field plate; Two gas flowfield veneers are through the encapsulant of placing in contact-making surface, its frame seal groove around it, the contact-making surface of filling and leading up material and veneer both sides, middle flow field of filling and leading up placement in the zone; Connect veneer both sides, said middle flow field respectively, be combined into said fuel battery double plates; Be equipped with three imports and three outlets on each flow field veneer, be respectively: oxidant inlet, cooling liquid inlet, fuel gas inlets, oxidant outlet, cooling liquid outlet and fuel gas outlet.
In practical implementation of the present invention, preferred said flow field veneer is a rectangular shape.
In a preferred embodiment of the invention, a side of said gas flowfield veneer is the reactant gas flow zone, and the opposite side of said gas flowfield veneer is the liquid flow field groove corresponding to the spine of gas flow area;
A side of flow field veneer is the flow-field channel that punching press forms in the middle of said, becomes cooling liquid flowing channel with the liquid flow field trench structure of said gas stream field plate;
Said gas flowfield veneer is respectively oxidant flow field veneer, fuel gas flow field veneer;
Said flow field veneer (comprising oxidant flow field veneer, fuel gas flow field veneer and the coolant fluid veneer) flow field of both sides and the periphery of fluid inlet and outlet form seal groove and place encapsulant, and its degree of depth is identical with the degree of depth of said flow-field channel.
The zone line groove that the sealed material of said gas flowfield veneer surrounds is a fluid flow fields.
In a preferred embodiment of the invention, need fill and lead up heat-resisting, ageing-resistant rubber of regional filled rubber elastic-like material such as silicone rubber kinds etc. in the said gas flowfield veneer groove frame, concordant with the contact-making surface of said flow field veneer.Need fill and lead up the zone just on the gas stream field plate, in groove, retain stream and do not go out to prevent to have cooling fluid.Filling elastic material makes it smooth in the relative fuel gas import and export groove frame partly of battery lead plate and coolant plates.
Said gas flow area and the preferred serpentine flow of said cooling liquid flowing channel, but be not limited to serpentine flow.
In a preferred embodiment of the invention, said flow-field channel, its width are 0.5-2m, and the degree of depth is 0.2-0.5mm; Said seal groove, its width are 1-4mm, and the degree of depth is 0.2-0.5mm.
In fuel battery double plates of the present invention, the centre position of veneer both sides parallel with the flow-field channel length direction is provided with circular location hole in said flow field; Said oxidant inlet, said cooling liquid inlet and said fuel gas inlets, and said oxidant outlet, said cooling liquid outlet and the outlet of said fuel gas set gradually, and import and the relative both sides that export the veneer in the flow field.
In fuel battery double plates of the present invention, said encapsulant is a gasket seal, is placed in each flow-field plate seal groove.In the present invention, encapsulant is used for seal groove, mainly seals, and major requirement is heat-resisting (greater than 120 ℃) and the good elastic caoutchouc of ageing-resistant performance, and common used material is a silicon rubber.
In fuel battery double plates of the present invention; Need fill and lead up that the zone fills fill and lead up material and encapsulant is similar; Be placed on the filling and leading up in the zone of each gas stream field plate; To the major requirement of filling and leading up material is heat-resisting (greater than 120 ℃) and the good elastomeric material of ageing-resistant performance, and common used material is rubber-like elastic material such as fluorubber or silicon rubber.
In fuel battery double plates of the present invention, described flow field veneer adopts metallic sheet stock, preferably from one of stainless steel, titanium and titanium alloy metallic sheet stock, is more preferably stainless steel.
In fuel battery double plates of the present invention, said gas flowfield veneer and said middle flow field veneer are that the outer tightening seal material of defeating is fitted in aggregates and the realization sealing, to form said fuel battery double plates.
In fuel battery double plates of the present invention, the thickness of said sheet metal is 0.1mm-0.3mm, and the material of said gas flowfield veneer and middle flow field veneer is selected from one of stainless steel, titanium and titanium alloy metallic sheet stock.
Compare with other fuel battery metal double polar plate of the prior art, bipolar plates of the present invention adopts three metal flow field veneers, stamps out oxidant (air or oxygen) gas flow, cooling fluid passage and fuel gas runner respectively thereon.Sealed groove through processing between three blocks of plates is placed encapsulant, relies on external force to compress again to fit in aggregates, and need not bond or welds knot.Get final product through external force when being assembled into battery, bonding or weldering knot technological requirement are simple relatively.
The stamping forming fuel battery double plates of sheet metal of the present invention can be used in the Proton Exchange Membrane Fuel Cells, also can serve as the bipolar plates of direct methanol fuel cell, proton exchange membrane water electrolyzer and regenerative fuel cell etc.
Another object of the present invention provides a proton exchanging film fuel battery, and it comprises the stamping forming fuel battery double plates of the aforesaid sheet metal of the present invention.
The stamping forming fuel battery double plates of sheet metal of the present invention has in light weight, and volume is little, and production process is simple, and is with low cost, realizes easily producing in enormous quantities.
The stamping forming fuel battery double plates of sheet metal of the present invention adopts three metal veneers through the stack of frame hermetically-sealed construction; The outer tightening seal material of defeating; Each flow field veneer is combined into one; And be configured to cooling liquid flowing channel between two plates jointly; So just avoided laser welding to form bipolar plates local deformation, the demanding shortcoming of welding quality have taken place easily; Structure is prone to realize that packaging technology requires simple.
Below will combine accompanying drawing that the technique effect of design of the present invention, concrete structure and generation is described further, to understand the object of the invention, characteristic and effect fully.
Description of drawings
Fig. 1 is the overall structure sketch map of fuel battery double plates of the present invention.
Fig. 2 is the front view of the gas flowfield veneer 2 of fuel battery double plates of the present invention.
Fig. 3 is the schematic perspective view of the gas flowfield veneer 2 of fuel battery double plates of the present invention.
Fig. 4 is the front view of the middle cooling fluid flow field veneer 5 of fuel battery double plates of the present invention.
Fig. 5 is the schematic perspective view of the middle cooling fluid flow field veneer 5 of fuel battery double plates of the present invention.
Fig. 6 fills and leads up regional 3 sketch mapes for the gas flowfield veneer 2 of fuel battery double plates of the present invention.
Fig. 7 fills and leads up regional 7 sketch mapes for the gas flowfield veneer 8 of fuel battery double plates of the present invention.
Fig. 8 is the runner sketch map that forms between gas flowfield veneer 2 and the cooling fluid veneer 5 of fuel battery double plates of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment being to implement under the prerequisite with technical scheme of the present invention.
Among the embodiment, the material of used sheet metal is the thick 316L corrosion resistant plate of 0.2mm, and used encapsulant is a silicon rubber, and filling and leading up material is fluorubber.
As shown in Figure 1; Fuel battery double plates of the present invention comprises two identical gas flowfield veneers; Be oxidant flow field veneer 2 and fuel gas flow field veneer 8; And middle cooling fluid flow field veneer 5; Gasket seal 1,4,6 and 9 is put into the frame seal groove of each self-corresponding flow field veneer, and gas flowfield veneer 2 and 8 need be put into fluorubber when assembling and fill and lead up zone 3 and 7.Wherein gas flowfield veneer 2 and 8 can come out with a mold punching press, and the cooling fluid flow field another set of die stamping of veneer 5 usefulness comes out.
As shown in Figure 2, the zone line of gas flowfield veneer 2 is a reactive flowfield 16, employing be serpentine flow, rib 17 is wherein arranged; Side at gas flowfield veneer 2 sets gradually oxidant inlet 10, cooling liquid inlet 11, fuel gas inlets 12; Opposite side sets gradually oxidant outlet 13, cooling liquid outlet 14, fuel gas outlet 15; On gas flowfield veneer 2 both sides parallel, be provided with circular location hole 19 and 20 with the serpentine flow length direction; The frame seal groove 18 that punching press forms on gas flowfield veneer 2.
As shown in Figure 3, the schematic perspective view of gas flowfield veneer 2 has more clearly illustrated the structure of flow field veneer, fluted sealed frame around the veneer of whole flow field.
As shown in Figure 4, the zone line of cooling fluid flow field veneer 5 is to be provided with cooling liquid flowing channel groove 21 in the middle of the cooling fluid flow field, and the liquid flow field groove 17 on itself and the oxidant gas flow field veneer 2 is configured to flow channel for liquids; One side of veneer 5 sets gradually oxidant inlet 10 in the cooling fluid flow field, cooling liquid inlet 11, fuel gas inlets 12; Opposite side sets gradually oxidant outlet 13, cooling liquid outlet 14, fuel gas outlet 15; Front frame seal groove 23 on cooling fluid flow field veneer 5 and back side frame seal groove 22, location hole 19 and 20.The one side of gas flow is positive.
As shown in Figure 5, be the schematic perspective view of cooling fluid flow field veneer, more clearly illustrated the structure of veneer.
As shown in Figure 6, fill and lead up regional sketch map, wherein be coated with black region 3 for filling and leading up the zone for gas flowfield veneer 2 back sides; Fill and lead up regional sketch map like Fig. 7 for gas flowfield veneer 8 back sides, wherein be coated with black region 7 for filling and leading up the zone.
As shown in Figure 8,1 relative liquid flow field groove 17 is configured to the cooling liquid flowing channel groove on the cooling liquid flowing channel that forms between gas flowfield veneer 2 and the cooling fluid flow field veneer 5, the cooling liquid flowing channel groove 21 on the cooling fluid veneer 2 and oxidant gas veneer.
As shown in Figure 1, bipolar plates of the present invention is by three flow field veneers 2,5 and 8, gasket seal and fill and lead up material and form.In actual manufacture process; Three stamping forming metal flow field veneers are superimposed; In seal groove, put into encapsulant and realize sealing purpose, outer defeating makes tightly between each flow field veneer not that the space fits tightly together, forms bipolar plates of the present invention.
Like Fig. 2, shown in 3 and 4; When work; Oxidant is by the conversion zone of the oxidant inlet 10 arrival flow field veneers of oxidant flow field veneer, and on the other hand, fuel gas is by the conversion zone of the gas feed 12 arrival flow field veneers of fuel gas flow field veneer; Like this; Electrolysis material in oxidant and fuel gas and the membrane electrode assembly, electrochemical reaction takes place in the catalyst contact; Generate electronics, produce electric current.Excess oxidant and fuel gas flow out from oxidant outlet 13, fuel gas outlet 15 respectively, and meanwhile cooling fluid gets into corresponding flow field veneer by the cooling liquid inlet 11 of flow field veneer, flows out from cooling liquid outlet 14, accomplishes cooling.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area need not creative work and just can design according to the present invention make many modifications and variation.Therefore, all technical staff in the art all should be in the determined protection range by claims under this invention's idea on the basis of existing technology through the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. stamping forming fuel battery double plates of sheet metal; Comprise two identical gas flowfield veneers and a middle flow field veneer; Respectively as oxidant stream field plate, fuel gas flow field plate and cooling fluid flow-field plate; It is characterized in that: two gas flowfield veneers are through the encapsulant of placing in contact-making surface, its frame seal groove around it, the contact-making surface of filling and leading up material and veneer both sides, middle flow field of filling and leading up placement in the zone; Connect veneer both sides, said middle flow field respectively, be combined into said fuel battery double plates; Be equipped with three imports and three outlets on each flow field veneer, be respectively: oxidant inlet, cooling liquid inlet, fuel gas inlets, oxidant outlet, cooling liquid outlet and fuel gas outlet.
2. the stamping forming fuel battery double plates of sheet metal as claimed in claim 1; One side of wherein said gas flowfield veneer is the reactant gas flow zone, and the opposite side of said gas flowfield veneer is the liquid flow field groove corresponding to the spine of gas flow area;
A side of flow field veneer is the flow-field channel that punching press forms in the middle of said, becomes cooling liquid flowing channel with the liquid flow field trench structure of said gas stream field plate;
The flow field of the both sides of said oxidant stream field plate, said fuel gas flow field plate and said cooling fluid flow-field plate and the periphery of fluid inlet and outlet form seal groove and place encapsulant, and its degree of depth is identical with the degree of depth of said flow-field channel.
3. the stamping forming fuel battery double plates of sheet metal as claimed in claim 2 need be filled and led up regional filled rubber elastic-like material in the wherein said gas flowfield veneer groove frame, and is concordant with the contact-making surface of said flow field veneer.
4. the stamping forming fuel battery double plates of sheet metal as claimed in claim 1, wherein said flow-field channel, its width are 0.5-2m, the degree of depth is 0.2-0.5mm; Said seal groove, its width are 1-4mm, and the degree of depth is 0.2-0.5mm.
5. the stamping forming fuel battery double plates of sheet metal as claimed in claim 1, wherein the centre position of veneer both sides parallel with the flow-field channel length direction is provided with circular location hole in said flow field;
Said oxidant inlet, said cooling liquid inlet and said fuel gas inlets, and said oxidant outlet, said cooling liquid outlet and the outlet of said fuel gas set gradually, and import and the relative both sides that export the veneer in said flow field.
6. like the stamping forming fuel battery double plates of the described sheet metal of one of claim 1-5, wherein said encapsulant is a gasket seal, is placed in the seal groove.
7. like the stamping forming fuel battery double plates of the described sheet metal of one of claim 1-5; Wherein said gas flowfield veneer and said middle flow field veneer; Be that the outer tightening seal material of defeating is fitted in aggregates and the realization sealing, to form said fuel battery double plates.
8. like the stamping forming fuel battery double plates of the described sheet metal of one of claim 1-5; The thickness of wherein said sheet metal is 0.1mm-0.3mm, and the material of said gas flowfield veneer and middle flow field veneer is selected from one of stainless steel, titanium and titanium alloy metallic sheet stock.
9. the application of the stamping forming fuel battery double plates of the described sheet metal of one of claim 1-8 in Proton Exchange Membrane Fuel Cells, direct methanol fuel cell, proton exchange membrane water electrolyzer and regenerative fuel cell.
10. a proton exchanging film fuel battery is characterized in that, comprises the stamping forming fuel battery double plates of the described sheet metal of one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102318532A CN102306813B (en) | 2011-08-12 | 2011-08-12 | Fuel cell bipolar plate prepared through metal sheet stamping and forming, and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011102318532A CN102306813B (en) | 2011-08-12 | 2011-08-12 | Fuel cell bipolar plate prepared through metal sheet stamping and forming, and application thereof |
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| CN102306813A true CN102306813A (en) | 2012-01-04 |
| CN102306813B CN102306813B (en) | 2013-12-11 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022512A (en) * | 2012-12-20 | 2013-04-03 | 华南理工大学 | Fuel cell bipolar plate for proton exchange membrane and rolling method |
| CN103367830A (en) * | 2012-05-17 | 2013-10-23 | 奇鋐科技股份有限公司 | Water cooling plate unit applied to battery pack |
| CN105428678A (en) * | 2015-12-15 | 2016-03-23 | 江苏绿遥燃料电池系统制造有限公司 | Seal connecting piece for high-power-density PEMFC (proton exchange membrane fuel cell) pile |
| CN107367542A (en) * | 2017-08-21 | 2017-11-21 | 中华人民共和国南京出入境检验检疫局 | Portable flow field type electrode heavy metal ion detection device and electrode card |
| CN107851827A (en) * | 2015-08-07 | 2018-03-27 | 米其林集团总公司 | For the stacking for the bipolar plates for manufacturing fuel cell |
| CN107895804A (en) * | 2017-12-14 | 2018-04-10 | 苏州朔景动力新能源有限公司 | Fuel battery metal double polar plate and fuel cell |
| CN108213708A (en) * | 2018-03-06 | 2018-06-29 | 深圳众为激光设备有限公司 | New fuel cell ultra-thin metal bipolar plate laser soldering device and its installation method |
| CN108511774A (en) * | 2018-01-09 | 2018-09-07 | 张国胜 | Bipolar plates with coolant flow passages |
| US10090537B2 (en) | 2012-03-09 | 2018-10-02 | Nissan Motor Co., Ltd. | Seal plate and fuel cell stack using the same |
| CN109360998A (en) * | 2018-10-22 | 2019-02-19 | 吕伟 | Super thin metal composite dual-electrode plates and preparation method thereof and fuel cell comprising it |
| CN110518270A (en) * | 2019-08-16 | 2019-11-29 | 浙江锋源氢能科技有限公司 | Fuel-cell single-cell test fixture |
| CN113571730A (en) * | 2021-07-28 | 2021-10-29 | 广东省武理工氢能产业技术研究院 | Flow field structure of bipolar plate of proton exchange membrane fuel cell |
| CN113764697A (en) * | 2021-09-09 | 2021-12-07 | 苏州东风精冲工程有限公司 | Ultrahigh pressure forming method for bipolar plate of hydrogen fuel cell |
| CN114682909A (en) * | 2022-05-13 | 2022-07-01 | 北京开元新能科技有限公司 | Bipolar plate welding device |
| CN115954496A (en) * | 2022-08-31 | 2023-04-11 | 江苏金亚隆科技有限公司 | Flexible graphite bipolar plate |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10090537B2 (en) | 2012-03-09 | 2018-10-02 | Nissan Motor Co., Ltd. | Seal plate and fuel cell stack using the same |
| CN103367830A (en) * | 2012-05-17 | 2013-10-23 | 奇鋐科技股份有限公司 | Water cooling plate unit applied to battery pack |
| CN103367830B (en) * | 2012-05-17 | 2016-01-20 | 奇鋐科技股份有限公司 | Be applied to the cooled plate unit of battery pack |
| CN103022512B (en) * | 2012-12-20 | 2014-12-31 | 华南理工大学 | Fuel cell bipolar plate for proton exchange membrane and rolling method |
| CN103022512A (en) * | 2012-12-20 | 2013-04-03 | 华南理工大学 | Fuel cell bipolar plate for proton exchange membrane and rolling method |
| CN107851827A (en) * | 2015-08-07 | 2018-03-27 | 米其林集团总公司 | For the stacking for the bipolar plates for manufacturing fuel cell |
| CN107851827B (en) * | 2015-08-07 | 2021-05-28 | 米其林集团总公司 | Stack of bipolar plates for manufacturing fuel cells |
| CN105428678A (en) * | 2015-12-15 | 2016-03-23 | 江苏绿遥燃料电池系统制造有限公司 | Seal connecting piece for high-power-density PEMFC (proton exchange membrane fuel cell) pile |
| CN107367542A (en) * | 2017-08-21 | 2017-11-21 | 中华人民共和国南京出入境检验检疫局 | Portable flow field type electrode heavy metal ion detection device and electrode card |
| CN107895804A (en) * | 2017-12-14 | 2018-04-10 | 苏州朔景动力新能源有限公司 | Fuel battery metal double polar plate and fuel cell |
| CN108511774A (en) * | 2018-01-09 | 2018-09-07 | 张国胜 | Bipolar plates with coolant flow passages |
| CN108213708A (en) * | 2018-03-06 | 2018-06-29 | 深圳众为激光设备有限公司 | New fuel cell ultra-thin metal bipolar plate laser soldering device and its installation method |
| CN108213708B (en) * | 2018-03-06 | 2024-03-29 | 深圳众为氢能科技有限公司 | Novel fuel cell ultrathin metal bipolar plate laser welding device and mounting method thereof |
| CN109360998A (en) * | 2018-10-22 | 2019-02-19 | 吕伟 | Super thin metal composite dual-electrode plates and preparation method thereof and fuel cell comprising it |
| CN110518270A (en) * | 2019-08-16 | 2019-11-29 | 浙江锋源氢能科技有限公司 | Fuel-cell single-cell test fixture |
| CN110518270B (en) * | 2019-08-16 | 2022-05-27 | 浙江锋源氢能科技有限公司 | Single cell testing clamp for fuel cell |
| CN113571730A (en) * | 2021-07-28 | 2021-10-29 | 广东省武理工氢能产业技术研究院 | Flow field structure of bipolar plate of proton exchange membrane fuel cell |
| CN113764697A (en) * | 2021-09-09 | 2021-12-07 | 苏州东风精冲工程有限公司 | Ultrahigh pressure forming method for bipolar plate of hydrogen fuel cell |
| CN114682909A (en) * | 2022-05-13 | 2022-07-01 | 北京开元新能科技有限公司 | Bipolar plate welding device |
| CN115954496A (en) * | 2022-08-31 | 2023-04-11 | 江苏金亚隆科技有限公司 | Flexible graphite bipolar plate |
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