CN1591941A - Fuel cell composite material double polar plate and its making method - Google Patents
Fuel cell composite material double polar plate and its making method Download PDFInfo
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- CN1591941A CN1591941A CNA031566804A CN03156680A CN1591941A CN 1591941 A CN1591941 A CN 1591941A CN A031566804 A CNA031566804 A CN A031566804A CN 03156680 A CN03156680 A CN 03156680A CN 1591941 A CN1591941 A CN 1591941A
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- pole plate
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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
This invention relates to a composite material double-pole plate and its preparation method for fuel batteries. The double-pole plate is composed of resinoid and fillers, uniformly distributed flow fields are on the upper and lower surfaces of the double pole plate and a metal plate is nested in the composite material. The method goes as follow: 1, mixing the resinoid and curing agent to be mixed with fillers, 2, transferring the mixed material into a die-pressing mold to be closed, if a sandwich compound double-pole plate is made, a metal nested plate should be set at the center of the mixed material to be wrapped uniformly by it than to close the mold, 3, putting the mold into a hydraulic machine to be die-pressed to form 4, continuing to cure the double pole to get the product.
Description
Technical field
The present invention relates to fuel cell technology, particularly composite material double pole plate of a kind of fuel cell and preparation method thereof.
Background technology
Polymer dielectric film fuel cell is a kind of cleaning, novel energy efficiently.It adopts solid polymer electrolyte membrane, has replaced traditional liquid electrolyte.Characteristics such as battery has that volume is little, in light weight, cleaning, efficient, service conditions gentleness are expected to replace internal combustion engine, become the main energy sources in fields such as communications and transportation, generating, Aero-Space, submarine driving; Also can be used for the power supply of miniature electric communication apparatus, field equipment etc. and as military power supply.Its application is significant for fields such as the energy, environment.According to the difference that adopts fuel, polymer dielectric film fuel cell generally includes hydrogen fuel cell and direct alcohol fuel battery etc.
Hydrogen fuel cell is " fuel " with hydrogen, and electrode reaction is active high, thereby the energy density height, in high-power applications fields such as communications and transportation vast potential for future development is arranged.
Directly alcohol fuel battery is " fuel " with alcoholic solution directly, and oxygen or air are oxidant.Compare with hydrogen fuel cell, its advantage is employed " fuel " for liquid, stores, transportation is all very convenient, is applicable to the energy supply of mini-plant, field arrangement.Its development and application has practical value for fields such as portable electronic address equipment, light powered vehicle, open-air military combats.
In polymer dielectric film fuel cell, bipolar plates is being born the important function of following several respects: the space structure to battery provides machinery support; Inner space to battery provides seal means; For battery provides the electrical conductivity passage; For reactant and product provide the inflow and outflow passage; For reactant provides rational Flow Field Distribution.The operational environment of fuel battery inside is moist, acid, oxidative environment, and this selection for bipolar plate material has proposed very harsh requirement.Usually adopt material bipolar plates such as graphite, stainless steel.The conductivity of graphite, excellent corrosion resistance, but matter is crisp, and difficulty of processing is big, so the cost of graphite bi-polar plate is higher; Stainless steel material good conductivity and can be processed into thin slice, but corrosion or passivation take place in acid, oxidative environment, influence the durability of battery.Present research concentrates on more adopts composite material to make the method for bipolar plates.Comprising making surface coating metal double polar plates, carbon/carbon compound material bipolar plates, polyalcohol-filling material composite dual-electrode plates etc.
United States Patent (USP) 4,592,968,4,670,300,4,737,421 grades disclose the manufacture method of carbon-graphite composite pole plate: " but made through processes such as mixing molding moulding, carbonization, graphitizations by carbide resin and filler." its electric conductivity is good, but its manufacturing process needs high-temperature process, and comparatively complicated, cost is higher.
United States Patent (USP) 5,798,188 disclose a kind of manufacture method of metallic core bipolar plates: " with the aluminium sheet is kernel, forms the flow field with fusible processable polymer thereon, forms the conductive layer that one deck is made of metal, metal nitride or metal carbides then." its conduction realizes by surface coating fully, requires highly to tectal, manufacture difficulty is bigger.
United States Patent (USP) 6,248,467 disclose the manufacture method of a kind of thermosetting resin-conductive filler composite material double pole plate: " formed by vinyl ester resin and graphite powder molding, by adding fortifying fibre and other additive, can improve performance of composites." its technology is easy, but high filler carrying capacity composite material has the trend that deformation takes place in long-term use.
United States Patent (USP) 6,379,795 disclose a kind of method of making high electricity conductive bipolar board with the injection mo(u)lding means.", make bulk conductivity greater than 10 with injection molding forming method
2The aromatic thermoplastic liquid crystalline polymeric of s/cm-be coated with nickel graphite fibre composite dual-electrode plates." the injection mo(u)lding means have certain restriction to the filler carrying capacity, and polymer is not very good with the stability and the corrosion resistance that are coated with the nickel graphite fibre.
United States Patent (USP) 2002/0001743 discloses a kind of manufacture method of composite material double pole plate: " with the metallic plate is kernel, covers conducting polymer thereon and forms the flow field, and its conducting polymer is made of polypropylene and graphite." its processing is comparatively easy, but the mechanical strength of composite material and stability are poor slightly.
United States Patent (USP) 2002/0127457 discloses the manufacture method of a kind of resin-graphite composite material bipolar plates: " adopt fluororesin and graphite powder molded, and carry out surface grinding and handle." processing characteristics and the decay resistance of fluororesin be better, but itself cost is higher.
The problem that relevant composite material double pole plate manufacturing technology needs further to solve at present mainly contains following several respects: 1, select material cheap and easy to get as far as possible for use; 2, simplify the course of processing, rapid shaping; 3, improve the stability and the durability of goods.
Summary of the invention
The objective of the invention is to, a kind of have high conductivity, high mechanical properties, corrosion-resistant, composite material double pole plate that air-tightness is good are provided; Another object of the present invention is to provide a kind of method of making composite material double pole plate simply, cheaply.
For achieving the above object, technical solution of the present invention is:
Adopt polymer-conductive filler directly to mix and molded method, saved process in material surface machining flow field, can reduce the cost of manufacture of bipolar plates significantly, and the surface flow field structure of the bipolar plates that processes has the consistency of height, and this uniform distribution for battery pack internal-response thing is very important.Though wherein the injection molding forming method cost is low,, generally require solid packing content to be no more than 50wt.% for having relatively high expectations of raw material flowability; And to reach high conductivity, need high filler carrying capacity.Therefore the present invention selects compression-moulding methods for use.
For further improving the mechanical strength and the air-tightness of pressing, can set atresia or porose metallic plate in the inside of prefabricated material, by compression molding, make it to form the sandwich structure of combining closely with resin-filler compound.
The present invention adopts polymeric matrix and filler directly to mix and the method for compression molding is made composite material double pole plate.Polymer is a thermosetting resin, is selected from epoxy resin, unsaturated polyester resin, vinyl ester resin, and content is 5～50wt.%.Filler comprises conductive filler and reinforcer, and content is 50～95wt.%.Wherein conductive filler comprises graphite, carbon black, carbon fiber, carbon nano-tube, metal, metal carbides, metal nitride etc., and reinforcer comprises carbon fiber, glass fibre, aramid fiber, ceramic fibre, string etc.
Set metallic plate in composite inner, can make composite material double pole plate, significantly improve mechanical strength and air-tightness with tight sandwich structure.Wherein the material of metallic plate is selected from metal and alloys thereof such as aluminium, titanium, iron, copper, nickel, zinc, silver, gold.The surface of metallic plate can cover noble metal, metal carbides, metal nitride layer.The thickness of metallic plate is 0.01～3mm.Employing has the metallic plate of pore structure, can make the exhaust in the mold process more smooth and easy, and the sandwich structure that forms is tightr.The vertical penetrating metal board plane in the hole of porose metallic plate, the aperture is 0.1～10mm, and pitch-row is 0.1～10mm, and the hole is even net distribution on the metallic plate plane.
The manufacture method of composite material double pole plate of the present invention is:
1, earlier thermosetting resin is mixed with curing agent, add filler, mixed again 5～60 minutes.
2, a certain amount of above-mentioned compound is changed in the molding die and matched moulds.If make the composite dual-electrode plates of sandwich structure, then need to place the metal panel in the centre of compound, its mixed material is evenly wrapped up, then matched moulds.
3, mould is placed the hydraulic press that has heating and attemperating unit, in 60～200 ℃ of temperature, compression molding under pressure 1～100Mpa forms the bipolar plates that upper and lower surface all has the stream with uniform distribution field, and molding time is 2 minutes～12 hours.
4, after forming process finishes, take out goods, under 60～120 ℃ of temperature, continue to solidify 1～48 hour, get finished product.
The composite material double pole plate of made of the present invention, bulk conductivity (not containing metal panel) can reach more than the 100s/cm.Material has good acidproof, anti-alcohol, oxidation resistent susceptibility, can prevent the infiltration of gas and liquid effectively; The material structure densification, smooth surface is smooth.
Specifically, compared with prior art, manufacture method of the present invention has the following advantages:
1, the used prices of raw and semifnished materials are cheap;
2, adopt high filler carrying capacity, to reach high conductivity;
3, processing technology is simple and easy to do, and processing cost is lower;
4, the composite material double pole plate made of the present invention, its good conductivity, corrosion-resistant, air-tightness good and have enough mechanical strengths;
5, the bipolar plates of the present invention's making, its Flow Field Distribution has high reappearance, can guarantee uniform distribution between reactant each monocell in battery pack.
The composite material double pole plate of made of the present invention is applicable to the assembling of the polymer dielectric film fuel cell (comprising hydrogen fuel cell and direct alcohol fuel battery etc.) of all size.Its higher combination property, better practicability and low cost make it might replace traditional bipolar plate material.
The inventive method is applicable to the making of field pole plates such as battery, electrolysis, is specially adapted to the making of polymer dielectric film fuel cell bipolar plates, also can be used for the making of other electrochemical apparatus.
Description of drawings
Fig. 1 is the porose metallic plate schematic diagram (schematic diagram of atresia metallic plate omits) of sandwich structure composite material double pole plate;
Fig. 2 is the cross section structure schematic diagram of sandwich structure composite material double pole plate.
Embodiment
In Fig. 1, metallic plate 1 thickness 0.01～3mm, 2 vertical penetrating metal plates, 1 plane, hole of porose metallic plate 1, the aperture is 0.1～10mm, pitch-row is 0.1～10mm; On metallic plate 1 plane, hole 2 is even net distribution.As seen from Figure 2, in the sandwich structure composite material double pole plate, resin-filler compound layer 3 covers metallic plate 1 fully, is corroded to avoid it.
In order to further specify the present invention, enumerate following examples, do not limit scope of invention.
Embodiment 1
(1) bisphenol A type epoxy resin 100g and triethanolamine 16g are mixed, add reagent graphite powder 125g, mixed 15 minutes.(2) a certain amount of above-mentioned compound is changed in the molding die, and matched moulds.(3) mould is placed the hydraulic press that has heating and attemperating unit, in 120 ℃ of temperature, the 10Mpa forming under the pressure, molding time is 2 hours.(4) after forming process finishes, take out goods, under 100 ℃ of temperature, continue to solidify 24 hours, get finished product.
Embodiment 2
With embodiment 1, just in the step (2) compound is divided into two parts, get a copy of it and pack in the counterdie of stamper mould, and sprawl smooth; Place the thick porose zine plate of 1.5mm thereon; Another part compound of packing into, and sprawl smooth; Patrix is closed.Temperature is 80 ℃ in the step (3), and molding time is 4 hours.
Embodiment 3
With embodiment 2, just add reagent graphite powder 480g, PPTA (PPTA) fiber 20g in the step (1).The porose zine plate that 1.5mm in the step (2) is thick changes the thick porose copper coin of 1mm into.Temperature is 150 ℃ in the step (3), and molding time is 30 minutes.
Embodiment 4
With embodiment 2, just the reagent graphite powder 125g in the step (1) changes into: titanium carbide 250g, glass fibre 50g.The porose zine plate that 1.5mm in the step (2) is thick changes the thick porose Lv Magnesium alloy sheets of 0.5mm into.
Embodiment 5
(1) acrylic type vinyl ester resin 100g is fully mixed with benzoyl peroxide 2.2g, add reagent graphite powder 100g and XC-72 carbon black 2.5g, mixed 10 minutes.(2) a certain amount of above-mentioned compound is changed in the molding die, and matched moulds.(3) mould is placed the hydraulic press that has heating and attemperating unit, in 110 ℃ of temperature, 20Mpa forming under the pressure, molding time is 20 minutes.(4) after forming process finishes, take out goods, under 100 ℃ of temperature, continue to solidify 2 hours, get finished product.
Embodiment 6
With embodiment 5, just in the step (2) compound is divided into two parts, get a copy of it and pack in the counterdie of stamper mould, and sprawl smooth; Place the thick atresia goldleaf of 0.05mm thereon; Another part compound of packing into, and sprawl smooth; Patrix is closed.Pressure is 4Mpa in the step (3).
Embodiment 7
With embodiment 6, just reagent graphite powder 100g and the XC-72 carbon black 10g in the step (1) changes into: titanium valve 400g, carbon fiber 25g.The thick atresia goldleaf of 0.05mm in the step (2) changes the thick atresia silver foil of 0.1mm into.
Embodiment 8
With embodiment 6, just reagent graphite powder 100g and the XC-72 carbon black 10g in the step (1) changes into: molybdenum powder 300g, bronze 5g, silicon carbide fibre 50g.The thick atresia goldleaf of 0.05mm in the step (2) changes the atresia corrosion resistant plate of the thick surface coverage titanium carbide of 0.5mm into.
Embodiment 9
(1) M-phthalic acid type unsaturated polyester resin 100g is fully mixed with methylethyl ketone peroxide 2g, add reagent graphite powder 100g again, carbon nano-tube 10g mixed 10 minutes.(2) a certain amount of above-mentioned compound is changed in the molding die, and matched moulds.(3) mould is placed the hydraulic press that has heating and attemperating unit, in 120 ℃ of temperature, 40Mpa forming under the pressure, molding time is 10 minutes.(4) after forming process finishes, take out goods, under 100 ℃ of temperature, continue to solidify 1 hour, get finished product.
Embodiment 10
With embodiment 9, just in the step (2) compound is divided into two parts, get a copy of it and pack in the counterdie of stamper mould, and sprawl smooth; Place the atresia titanium plate of the thick surface coverage titanium nitride of 1mm thereon; Another part compound of packing into, and sprawl smooth; Patrix is closed.Pressure is 80Mpa in the step (3).
Embodiment 11
With embodiment 10, be the reagent graphite powder 100g in the step (1), carbon nano-tube 10g changes into: titanium nitride 300g, silver powder 20g.The atresia titanium plate of the surface coverage titanium nitride that the 1mm in the step (2) is thick changes the gold-plated aluminium sheet of the thick atresia of 1mm into.Temperature is 140 ℃ in the step (3), and molding time is 5 minutes.
Embodiment 12
With embodiment 10, be the reagent graphite powder 100g in the step (1), carbon nano-tube 10g changes into: molybdenum powder 400g, tossa 20g.The atresia titanium plate of the surface coverage titanium nitride that the 1mm in the step (2) is thick changes the thick atresia plating silver nickel plate of 1mm into.
Claims (9)
1. a composite material double pole plate that is used for fuel cell is made up of thermosetting resin and filler, it is characterized in that, the upper and lower surface of bipolar plates has equally distributed flow field, sets metallic plate in composite inner.
2. the composite material double pole plate of fuel cell as claimed in claim 1 is characterized in that, its thermosetting resin is selected from one of epoxy resin, vinyl ester resin, unsaturated polyester resin, and content is 5～50wt.%.
3. the composite material double pole plate of fuel cell as claimed in claim 1 is characterized in that, its filler comprises conductive filler and reinforcer, and content is 50～95wt.%.
4. the composite material double pole plate of fuel cell as claimed in claim 3 is characterized in that, conductive filler is selected from one or more of graphite, carbon black, carbon fiber, carbon nano-tube, metal, metal carbides, metal nitride.
5. the composite material double pole plate of fuel cell as claimed in claim 3 is characterized in that, reinforcer is selected from one of carbon fiber, glass fibre, aramid fiber, ceramic fibre, string.
6. the composite material double pole plate of fuel cell as claimed in claim 1, it is characterized in that, the metallic plate that set its inside is atresia or porose metallic plate, and the material of metallic plate is selected from one of aluminium, titanium, iron, copper, nickel, zinc, silver, gold or its alloy, and thickness is 0.01～3mm; The vertical penetrating metal board plane in the hole of porose metallic plate, the aperture is 0.1～10mm, and pitch-row is 0.1～10mm, and the hole is even net distribution on the metallic plate plane.
7. the composite material double pole plate of fuel cell as claimed in claim 6 is characterized in that, metal sheet surface has one deck conduction and corrosion resistant cover layer, and cover layer is made of noble metal, metal carbides or metal nitride.
8. the composite material double pole plate of fuel cell as claimed in claim 1 is characterized in that, is specially adapted to polymer dielectric film fuel cell, also can be used for other electrochemical apparatus.
9. a manufacture method that is used for the fuel cell composite material double pole plate is characterized in that, according to the following steps preparation:
(1) earlier thermosetting resin is mixed with curing agent, add filler, mixed again 5～60 minutes;
(2) a certain amount of above-mentioned compound is changed in the molding die, and matched moulds; If make the composite dual-electrode plates of sandwich structure, then need to place the metal panel in the centre of compound, its mixed material is evenly wrapped up, then matched moulds;
(3) mould is placed the hydraulic press that has heating and attemperating unit, in 60～200 ℃ of temperature, compression molding under pressure 1～100Mpa forms the bipolar plates that upper and lower surface all has the stream with uniform distribution field; Molding time is 2 minutes～12 hours;
(4) after forming process finishes, take out goods, under 60～120 ℃ of temperature, continue to solidify 1～48 hour, get finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031566804A CN100388537C (en) | 2003-09-05 | 2003-09-05 | Fuel cell composite material double polar plate and its making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031566804A CN100388537C (en) | 2003-09-05 | 2003-09-05 | Fuel cell composite material double polar plate and its making method |
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| Publication Number | Publication Date |
|---|---|
| CN1591941A true CN1591941A (en) | 2005-03-09 |
| CN100388537C CN100388537C (en) | 2008-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031566804A Expired - Fee Related CN100388537C (en) | 2003-09-05 | 2003-09-05 | Fuel cell composite material double polar plate and its making method |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295805C (en) * | 2005-07-22 | 2007-01-17 | 北京工业大学 | Asymmetric interlaced flow passage double pole plate of proton exchange membrane fuel cell |
| CN100336258C (en) * | 2005-08-01 | 2007-09-05 | 南通大学 | Gel reaction injection molding proton exchanging membrane fuel battery double plates device |
| CN100517832C (en) * | 2005-04-22 | 2009-07-22 | 鸿富锦精密工业（深圳）有限公司 | Double-polar board, its preparing method and fuel cell having said double-polar board |
| CN101894960A (en) * | 2010-07-16 | 2010-11-24 | 哈尔滨工业大学 | Direct methanol fuel cell capable of automatically thermally controlling flow velocity and preparation method thereof |
| CN102208629A (en) * | 2011-05-19 | 2011-10-05 | 王惠平 | Preparation method of bipolar electrode plate for battery |
| CN103137984A (en) * | 2013-03-07 | 2013-06-05 | 南京大学 | Metal member with nano carbon fiber protection layer applied to fuel battery and preparation method of metal member |
| CN103208639A (en) * | 2013-04-12 | 2013-07-17 | 北京百能汇通科技股份有限公司 | Anti-deformation zinc bromine flow battery plate and preparation method thereof |
| CN103811778A (en) * | 2011-06-01 | 2014-05-21 | 南通大学 | Proton exchange membrane fuel cell bipolar plate with high mechanical property, electric conductivity and thermal conductivity |
| CN104530452A (en) * | 2014-12-10 | 2015-04-22 | 南通瑞达电子材料有限公司 | Electrolyte membrane applied at high voltage and preparation method of electrolyte membrane |
| CN108134105A (en) * | 2017-12-06 | 2018-06-08 | 深圳市晶特智造科技有限公司 | A kind of plastic bipolar plate and preparation method thereof |
| CN108808037A (en) * | 2018-06-12 | 2018-11-13 | 江苏墨泰新材料有限公司 | Fuel battery double plates, fuel cell, fuel battery engines and electric vehicle |
| CN109167072A (en) * | 2018-09-07 | 2019-01-08 | 米库玻璃纤维增强塑料泰州有限责任公司 | A kind of graphite bi-polar plate manufacturing process |
| CN110289430A (en) * | 2019-07-02 | 2019-09-27 | 大连交通大学 | A kind of metal perforated plate two sides and the compound bipolar plates and preparation method thereof of graphite |
| CN111370719A (en) * | 2020-03-19 | 2020-07-03 | 辽宁科京新材料科技有限公司 | High-conductivity bipolar plate for flow battery and continuous processing device and method thereof |
| CN111697247A (en) * | 2020-06-22 | 2020-09-22 | 内蒙古中科四维热管理材料有限公司 | Composite graphite bipolar plate and preparation method thereof |
| CN112786909A (en) * | 2020-12-18 | 2021-05-11 | 国科微城市智能科技(南京)有限责任公司 | Ceramic composite bipolar plate for hydrogen fuel cell |
| WO2022241740A1 (en) * | 2021-05-20 | 2022-11-24 | 舍弗勒技术股份两合公司 | Bipolar plate for use in pem electrolysis device, and pem electrolysis device |
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| CN2429919Y (en) * | 2000-06-05 | 2001-05-09 | 信息产业部电子第十八研究所 | Bipolarity plate for inlaid structure of proton exchanging membrane fuel cells |
| DE10039674A1 (en) * | 2000-08-14 | 2002-03-07 | Basf Ag | Bipolar plate for PEM fuel cells |
| CN1172393C (en) * | 2001-12-26 | 2004-10-20 | 天津大学 | Composite-layer bipolar plate of polymer-membrane fuel battery and its preparing process |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100517832C (en) * | 2005-04-22 | 2009-07-22 | 鸿富锦精密工业（深圳）有限公司 | Double-polar board, its preparing method and fuel cell having said double-polar board |
| CN1295805C (en) * | 2005-07-22 | 2007-01-17 | 北京工业大学 | Asymmetric interlaced flow passage double pole plate of proton exchange membrane fuel cell |
| CN100336258C (en) * | 2005-08-01 | 2007-09-05 | 南通大学 | Gel reaction injection molding proton exchanging membrane fuel battery double plates device |
| CN101894960A (en) * | 2010-07-16 | 2010-11-24 | 哈尔滨工业大学 | Direct methanol fuel cell capable of automatically thermally controlling flow velocity and preparation method thereof |
| CN101894960B (en) * | 2010-07-16 | 2012-05-23 | 哈尔滨工业大学 | Direct methanol fuel cell capable of automatically thermally controlling flow velocity and preparation method thereof |
| CN102208629A (en) * | 2011-05-19 | 2011-10-05 | 王惠平 | Preparation method of bipolar electrode plate for battery |
| CN103811778B (en) * | 2011-06-01 | 2016-03-09 | 南通大学 | The dual polar plates of proton exchange membrane fuel cell that mechanical property, conduction and thermal conductivity are good |
| CN103811778A (en) * | 2011-06-01 | 2014-05-21 | 南通大学 | Proton exchange membrane fuel cell bipolar plate with high mechanical property, electric conductivity and thermal conductivity |
| CN103137984A (en) * | 2013-03-07 | 2013-06-05 | 南京大学 | Metal member with nano carbon fiber protection layer applied to fuel battery and preparation method of metal member |
| CN103208639B (en) * | 2013-04-12 | 2015-11-04 | 北京百能汇通科技股份有限公司 | Zinc-bromine flow battery pole plate of anti-deformation and preparation method thereof |
| CN103208639A (en) * | 2013-04-12 | 2013-07-17 | 北京百能汇通科技股份有限公司 | Anti-deformation zinc bromine flow battery plate and preparation method thereof |
| CN104530452A (en) * | 2014-12-10 | 2015-04-22 | 南通瑞达电子材料有限公司 | Electrolyte membrane applied at high voltage and preparation method of electrolyte membrane |
| CN108134105A (en) * | 2017-12-06 | 2018-06-08 | 深圳市晶特智造科技有限公司 | A kind of plastic bipolar plate and preparation method thereof |
| CN108808037A (en) * | 2018-06-12 | 2018-11-13 | 江苏墨泰新材料有限公司 | Fuel battery double plates, fuel cell, fuel battery engines and electric vehicle |
| CN109167072A (en) * | 2018-09-07 | 2019-01-08 | 米库玻璃纤维增强塑料泰州有限责任公司 | A kind of graphite bi-polar plate manufacturing process |
| CN110289430A (en) * | 2019-07-02 | 2019-09-27 | 大连交通大学 | A kind of metal perforated plate two sides and the compound bipolar plates and preparation method thereof of graphite |
| CN111370719A (en) * | 2020-03-19 | 2020-07-03 | 辽宁科京新材料科技有限公司 | High-conductivity bipolar plate for flow battery and continuous processing device and method thereof |
| CN111697247A (en) * | 2020-06-22 | 2020-09-22 | 内蒙古中科四维热管理材料有限公司 | Composite graphite bipolar plate and preparation method thereof |
| CN112786909A (en) * | 2020-12-18 | 2021-05-11 | 国科微城市智能科技(南京)有限责任公司 | Ceramic composite bipolar plate for hydrogen fuel cell |
| CN112786909B (en) * | 2020-12-18 | 2022-04-12 | 国科微城市智能科技(南京)有限责任公司 | Ceramic composite bipolar plate for hydrogen fuel cell |
| WO2022241740A1 (en) * | 2021-05-20 | 2022-11-24 | 舍弗勒技术股份两合公司 | Bipolar plate for use in pem electrolysis device, and pem electrolysis device |
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| Publication number | Publication date |
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| CN100388537C (en) | 2008-05-14 |
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