CN109411779A - A kind of preparation method of vanadium cell soft graphite bipolar plates - Google Patents
A kind of preparation method of vanadium cell soft graphite bipolar plates Download PDFInfo
- Publication number
- CN109411779A CN109411779A CN201710707288.XA CN201710707288A CN109411779A CN 109411779 A CN109411779 A CN 109411779A CN 201710707288 A CN201710707288 A CN 201710707288A CN 109411779 A CN109411779 A CN 109411779A
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- Prior art keywords
- bipolar plates
- vanadium cell
- soft graphite
- preparation
- graphite
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0213—Gas-impermeable carbon-containing materials
-
- 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
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0223—Composites
- H01M8/0228—Composites in the form of layered or coated products
-
- 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
- H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
- H01M8/184—Regeneration by electrochemical means
- H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type batteries
-
- 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 relates to vanadium cell manufacturing field, the preparation method of specially a kind of vanadium cell soft graphite bipolar plates.Selection flexible graphite plate is matrix, it puts it into platen-press and heats, one layer of conducting resinl is sprayed in the one or both sides of flexible graphite plate by the way of thermal spraying after taking-up, will treated that two flexible graphite plates spray conducting resinl side faces are put into platen-press is press-formed, obtain vanadium cell soft graphite bipolar plates.The vanadium cell that the present invention obtains has the advantage that (1) double plate materials of the invention using soft graphite with soft graphite bipolar plates, and rotproofness is good, conducts electricity very well, and resistance is small, at low cost.(2) bipolar plates use soft graphite, solve that existing polymer-carbon black composite dual-electrode plates resistivity is excessively high and graphite-like bipolar plates use process in be layered and positive and negative anodes solution led to problems such as to mix.(3) present invention preparation bipolar plates can do arbitrary dimension, simple production process, and consistency is good.
Description
Technical field
The present invention relates to vanadium cell manufacturing field, the preparation method of specially a kind of vanadium cell soft graphite bipolar plates.
Background technique
Vanadium cell, full name are all vanadium ion redox flow battery, are a kind of new green environment protection batteries.Its energy with
The form of positive and negative anodes electrolyte stores, and positive and negative anodes reaction is respectively as follows:
Anode reaction: VO2 ++2H++e-→VO2++H2O E0=1.00V
Negative reaction: V3++e-→V2+ E0=-0.26V
Positive and negative anodes electrolyte is respectively driven by a pump, and reduction and oxidation occurs respectively on the electrode of amberplex two sides
Charge and discharge are completed in reaction.The electric current of battery charging and discharging is conducted by bipolar plates and finally collection flows out.Therefore, bipolar plates are as vanadium
One of critical material of battery system is one necessary part of vanadium cell.Preparation process is simple, good conductivity, high double of intensity
Pole plate is that vanadium cell enters practical stage an urgent demand.
Up to now, mainly having as vanadium battery bi-polar plate material: metal class, graphite-like and conductive plastics class.Metal
Class, at present still cannot be practical due to not corrosion-resistant (the especially side of the positive electrode) of long-time service；Graphite-like good conductivity, but there is also
It is frangible and cause positive and negative anodes solution mixed the phenomenon that side of the positive electrode corrosion spalling, and bad mechanical strength during charge and discharge cycles
It closes.0.5 Ω .cm is higher than using conventional conductive Plastic bipolar plates resistivity, it is difficult to meet cell process to electric conductivity requirement.
In use since electrochemical corrosion causes bipolar plate surfaces carbon black granules to remove, resistance increases graphite plate at present, causes
Liquid is altered, may cause battery failure when serious, influences battery life.
Summary of the invention
For overcome the deficiencies in the prior art, it is an object of the invention to propose a kind of vanadium cell soft graphite bipolar plates
Preparation method, polymer-carbon black composite dual-electrode plates poorly conductive in the prior art is solved, in graphite-like bipolar plates use process
It is layered and positive and negative anodes solution is led to problems such as to mix.
In order to achieve the above object, the technical solution of the present invention is as follows:
A kind of preparation method of vanadium cell soft graphite bipolar plates, selection flexible graphite plate are matrix, are put it into flat
It is heated in plate pressing machine, sprays one layer of conducting resinl in the one or both sides of flexible graphite plate by the way of thermal spraying after taking-up, will locate
Two flexible graphite plates spray conducting resinl side face after reason, which is put into platen-press, to be press-formed, and the flexible stone of vanadium cell is obtained
Black bipolar plates.
The preparation method of vanadium cell soft graphite bipolar plates, flexible graphite plate have good thermally conductive and conductive
Performance, corrosion-resistant, easy moulding, flexible graphite plate with a thickness of 0.15mm~3mm.
The preparation method of vanadium cell soft graphite bipolar plates, conducting resinl are the mixing of conducting powder and resin-oatmeal
Object, spraying use the external air pump of spray gun, fill this blend into spray gun, mixture is sprayed on flexible stone by way of air pressure
Black plate surface.
The preparation method of vanadium cell soft graphite bipolar plates, conducting powder are carbon black powder, graphite powder and carbon fiber
One of powder；Resin-oatmeal is thermoplastic resin or thermosetting resin, and thermoplastic resin is polypropylene, polyethylene, polyvinyl chloride
One of, thermosetting resin is one of phenolic resin, epoxy resin.
The mass ratio of the preparation method of vanadium cell soft graphite bipolar plates, conducting powder and resin-oatmeal be (1:
1)~(1:10).
The preparation method of vanadium cell soft graphite bipolar plates, the partial size of powder particle are 0.01mm~0.1mm.
The preparation method of vanadium cell soft graphite bipolar plates, conducting resinl thickness is in 0.02mm~0.50mm.
The preparation method of vanadium cell soft graphite bipolar plates, vanadium cell are existed with the thickness of soft graphite bipolar plates
0.3mm~6.0mm, density are 1.6~2.2g/cm3。
The preparation method of vanadium cell soft graphite bipolar plates, bipolar plates briquetting pressure in 10MPa~100MPa,
Forming temperature is at 120~300 DEG C.
The preparation method of vanadium cell soft graphite bipolar plates, the specific steps are as follows:
1) platen-press temperature is controlled at 120~300 DEG C, by flexible graphite plate be put into platen-press heating 10~
60min；
2) conducting resinl is packed into spray gun and soft graphite plate surface is got to by air pressure；
It 3) will treated that two flexible graphite plates spray conducting resinl side faces are put into platen-press pressurizes；
4) pressure is 10MPa~100MPa, and vanadium cell soft graphite bipolar plates are made in 10~60min of pressure maintaining taking-up.
The invention has the advantages and beneficial effects that:
1, bipolar plates of the present invention use soft graphite, and rotproofness is good, conducts electricity very well, and resistance is small, at low cost, using heat
The mode of spraying sprays one layer of conducting resinl, then the mode of compound pressurization in the one or both sides of soft graphite, and it is bipolar to solve graphite-like
It is layered in plate use process and positive and negative anodes solution is led to problems such as to mix.
2, the present invention solves that existing polymer-carbon black composite dual-electrode plates resistivity is excessively high and the complicated consistency of processing technology
The problems such as poor, preparation bipolar plates can do arbitrary dimension, simple production process, and consistency is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of vanadium cell soft graphite bipolar plates.Wherein, 1 flexible graphite plate one；2 conducting powders and
Resin-oatmeal mixture layer；3 flexible graphite plates two.
Specific embodiment
The embodiment of the present invention is further described with reference to the accompanying drawing.
As shown in Figure 1, vanadium cell soft graphite bipolar plates of the present invention include flexible graphite plate 1, conducting powder and resin-oatmeal
Mixture layer 2 (conducting resinl), flexible graphite plate 3 pass through conductive glue connection between one 1 flexible graphite plate 23 of flexible graphite plate.
Embodiment 1
In the present embodiment, 2mm thickness flexible graphite plate to be placed and heats 60min in platen-press, temperature is controlled at 200 DEG C,
By partial size be 0.02mm graphite powder and partial size be 0.04mm polypropylene powder by 1:1 mass ratio be uniformly mixed be packed into spray gun
It is interior, mixture is sprayed on one side surface of flexible graphite plate, makes conducting resinl with a thickness of 0.15mm, it will treated two flexible stones
Black plate spray conducting resinl side face is put into platen-press, vanadium cell soft graphite bipolar plates is made after hot pressing, hot pressing temperature is
150 DEG C, hot pressing time 30min, hot pressing pressure 30MPa, it is 2.0g/ that vanadium cell, which is made, with the density of soft graphite bipolar plates
cm3。
Bipolar plates manufactured in the present embodiment assemble 1KW vanadium cell, battery charge and discharge performance parameter are as follows: coulombic efficiency
97.5%, voltage efficiency 86.5%, energy efficiency 84.3%, compared with existing carbon moulds bipolar plates, voltage efficiency improves 5.5%.
Embodiment 2
In the present embodiment, 1mm thickness flexible graphite plate to be placed and heats 30min in platen-press, temperature is controlled at 150 DEG C,
By partial size be 0.01mm graphite powder and partial size be 0.05mm polyethylene powder by 1:2 mass ratio be uniformly mixed be packed into spray gun
It is interior, mixture is sprayed on one side surface of flexible graphite plate, makes conducting resinl with a thickness of 0.25mm, it will treated two flexible stones
Black plate spray conducting resinl side face is put into platen-press, vanadium cell soft graphite bipolar plates is made after hot pressing, hot pressing temperature is
170 DEG C, hot pressing time 50min, hot pressing pressure 40MPa, it is 1.8g/ that vanadium cell, which is made, with the density of soft graphite bipolar plates
cm3。
Bipolar plates manufactured in the present embodiment assemble 1KW vanadium cell, battery charge and discharge performance parameter are as follows: coulombic efficiency
97.2%, voltage efficiency 85.5%, energy efficiency 83.1%, compared with existing carbon moulds bipolar plates, voltage efficiency improves 4.5%.
Embodiment 3
In the present embodiment, 0.5mm thickness flexible graphite plate is placed and heats 40min in platen-press, temperature is controlled 180
DEG C, by partial size be 0.05mm carbon dust and partial size be 0.03mm polyethylene powder by 1:3 mass ratio be uniformly mixed be packed into spray
In rifle, mixture is sprayed on one side surface of flexible graphite plate, makes conducting resinl with a thickness of 0.35mm, it will treated two flexibilities
Graphite plate spray conducting resinl side face is put into platen-press, and vanadium cell soft graphite bipolar plates, hot pressing temperature are made after hot pressing
It is 180 DEG C, hot pressing time 45min, hot pressing pressure 25MPa, vanadium cell, which is made, with the density of soft graphite bipolar plates is
1.6g/cm3。
Bipolar plates manufactured in the present embodiment assemble 1KW vanadium cell, battery charge and discharge performance parameter are as follows: coulombic efficiency
97.0%, voltage efficiency 86.0%, energy efficiency 83.4%, compared with existing carbon moulds bipolar plates, voltage efficiency improves 5.0%.
Embodiment 4
In the present embodiment, 1mm thickness flexible graphite plate to be placed and heats 20min in platen-press, temperature is controlled at 150 DEG C,
By partial size be 0.01mm carbon fiber powder and partial size be 0.02mm polypropylene powder by 1:4 mass ratio be uniformly mixed be packed into spray
In rifle, mixture is sprayed on one side surface of flexible graphite plate, makes conducting resinl with a thickness of 0.25mm, it will treated two flexibilities
Graphite plate spray conducting resinl side face is put into platen-press, and vanadium cell soft graphite bipolar plates, hot pressing temperature are made after hot pressing
It is 160 DEG C, hot pressing time 40min, hot pressing pressure 35MPa, vanadium cell, which is made, with the density of soft graphite bipolar plates is
2.2g/cm3。
Bipolar plates manufactured in the present embodiment assemble 1KW vanadium cell, battery charge and discharge performance parameter are as follows: coulombic efficiency
96.9%, voltage efficiency 85.8%, energy efficiency 83.1%, compared with existing carbon moulds bipolar plates, voltage efficiency improves 4.8%.
Claims (10)
1. a kind of vanadium cell preparation method of soft graphite bipolar plates, which is characterized in that selection flexible graphite plate is matrix, will
It is put into platen-press and heats, and sprays one layer of conduction in the one or both sides of flexible graphite plate by the way of thermal spraying after taking-up
Glue, will treated that two flexible graphite plates spray conducting resinl side faces are put into platen-press is press-formed, obtain vanadium cell
With soft graphite bipolar plates.
2. the vanadium cell described in accordance with the claim 1 preparation method of soft graphite bipolar plates, which is characterized in that soft graphite
Plate have good thermally conductive and electric conductivity, corrosion-resistant, easy moulding, flexible graphite plate with a thickness of 0.15mm~3mm.
3. the vanadium cell described in accordance with the claim 1 preparation method of soft graphite bipolar plates, which is characterized in that conducting resinl is
The mixture of conducting powder and resin-oatmeal, spraying use the external air pump of spray gun, fill this blend into spray gun, by way of air pressure
Mixture is sprayed on soft graphite plate surface.
4. the vanadium cell described in accordance with the claim 3 preparation method of soft graphite bipolar plates, which is characterized in that conducting powder is
One of carbon black powder, graphite powder and carbon fiber powder；Resin-oatmeal is thermoplastic resin or thermosetting resin, and thermoplastic resin is poly-
One of propylene, polyethylene, polyvinyl chloride, thermosetting resin are one of phenolic resin, epoxy resin.
5. the vanadium cell described in accordance with the claim 3 preparation method of soft graphite bipolar plates, which is characterized in that conducting powder with
The mass ratio of resin-oatmeal is (1:1)~(1:10).
6. the vanadium cell described in accordance with the claim 3 preparation method of soft graphite bipolar plates, which is characterized in that powder particle
Partial size be 0.01mm~0.1mm.
7. the vanadium cell described in accordance with the claim 3 preparation method of soft graphite bipolar plates, which is characterized in that conducting resinl is thick
Degree is in 0.02mm~0.50mm.
8. the vanadium cell described in accordance with the claim 1 preparation method of soft graphite bipolar plates, which is characterized in that vanadium cell is used
For the thickness of soft graphite bipolar plates in 0.3mm~6.0mm, density is 1.6~2.2g/cm3。
9. the vanadium cell described in accordance with the claim 1 preparation method of soft graphite bipolar plates, it is characterised in that: bipolar plates at
Type pressure is in 10MPa~100MPa, and forming temperature is at 120~300 DEG C.
10. the vanadium cell described in accordance with the claim 1 preparation method of soft graphite bipolar plates, which is characterized in that specific step
It is rapid as follows:
1) platen-press temperature is controlled at 120~300 DEG C, flexible graphite plate is put into 10~60min of heating in platen-press；
2) conducting resinl is packed into spray gun and soft graphite plate surface is got to by air pressure；
It 3) will treated that two flexible graphite plates spray conducting resinl side faces are put into platen-press pressurizes；
4) pressure is 10MPa~100MPa, and vanadium cell soft graphite bipolar plates are made in 10~60min of pressure maintaining taking-up.
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| CN201710707288.XA CN109411779A (en) | 2017-08-17 | 2017-08-17 | A kind of preparation method of vanadium cell soft graphite bipolar plates |
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| CN201710707288.XA CN109411779A (en) | 2017-08-17 | 2017-08-17 | A kind of preparation method of vanadium cell soft graphite bipolar plates |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323467A (en) * | 2019-07-09 | 2019-10-11 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of closed pore enhancing processing system for fuel cell graphite pole |
| CN110544781A (en) * | 2019-07-09 | 2019-12-06 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Closed-pore strengthening treatment process for flexible graphite polar plate of fuel cell |
| CN113571726A (en) * | 2021-08-04 | 2021-10-29 | 广东省武理工氢能产业技术研究院 | High-conductivity composite bipolar plate and preparation method and application thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040058221A1 (en) * | 2001-01-26 | 2004-03-25 | Jean-Edmond Chaix | Light bipolar plate for fuel cell and method for making same |
| CN1560947A (en) * | 2004-03-12 | 2005-01-05 | 清华大学 | Flexible graphic double polar plate and its preparation method |
| CN1719649A (en) * | 2004-07-06 | 2006-01-11 | 中国科学院大连化学物理研究所 | The improvement structure of one proton exchanging film fuel battery graphite cake bipolar plates |
| CN101101994A (en) * | 2007-07-17 | 2008-01-09 | 武汉理工大学 | Expansion graphite base compound material dual-pole board and its making method |
| CN101308924A (en) * | 2007-05-18 | 2008-11-19 | 中国科学院大连化学物理研究所 | Flexibility enhanced bipolar plate for liquid energy-storing battery and manufacture thereof |
| CN101794887A (en) * | 2010-03-22 | 2010-08-04 | 中国海洋石油总公司 | Vanadium battery bi-polar plate, preparation method and application thereof |
| US20110123906A1 (en) * | 2009-11-20 | 2011-05-26 | Industrial Technology Research Institute | Method for fabricating bi-polar plate of fuel cell and bi-polar plate of fuel cell |
| CN102891324A (en) * | 2012-09-25 | 2013-01-23 | 中国科学院金属研究所 | Bipolar plate for vanadium battery and preparation method for bipolar plate |
| CN104466197A (en) * | 2014-11-28 | 2015-03-25 | 中国科学院金属研究所 | Bipolar plate for vanadium battery and preparation method of bipolar plate |
-
2017
- 2017-08-17 CN CN201710707288.XA patent/CN109411779A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040058221A1 (en) * | 2001-01-26 | 2004-03-25 | Jean-Edmond Chaix | Light bipolar plate for fuel cell and method for making same |
| CN1560947A (en) * | 2004-03-12 | 2005-01-05 | 清华大学 | Flexible graphic double polar plate and its preparation method |
| CN1719649A (en) * | 2004-07-06 | 2006-01-11 | 中国科学院大连化学物理研究所 | The improvement structure of one proton exchanging film fuel battery graphite cake bipolar plates |
| CN101308924A (en) * | 2007-05-18 | 2008-11-19 | 中国科学院大连化学物理研究所 | Flexibility enhanced bipolar plate for liquid energy-storing battery and manufacture thereof |
| CN101101994A (en) * | 2007-07-17 | 2008-01-09 | 武汉理工大学 | Expansion graphite base compound material dual-pole board and its making method |
| US20110123906A1 (en) * | 2009-11-20 | 2011-05-26 | Industrial Technology Research Institute | Method for fabricating bi-polar plate of fuel cell and bi-polar plate of fuel cell |
| CN101794887A (en) * | 2010-03-22 | 2010-08-04 | 中国海洋石油总公司 | Vanadium battery bi-polar plate, preparation method and application thereof |
| CN102891324A (en) * | 2012-09-25 | 2013-01-23 | 中国科学院金属研究所 | Bipolar plate for vanadium battery and preparation method for bipolar plate |
| CN104466197A (en) * | 2014-11-28 | 2015-03-25 | 中国科学院金属研究所 | Bipolar plate for vanadium battery and preparation method of bipolar plate |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323467A (en) * | 2019-07-09 | 2019-10-11 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of closed pore enhancing processing system for fuel cell graphite pole |
| CN110544781A (en) * | 2019-07-09 | 2019-12-06 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Closed-pore strengthening treatment process for flexible graphite polar plate of fuel cell |
| CN110544781B (en) * | 2019-07-09 | 2020-12-08 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Closed-pore strengthening treatment process for flexible graphite polar plate of fuel cell |
| CN113571726A (en) * | 2021-08-04 | 2021-10-29 | 广东省武理工氢能产业技术研究院 | High-conductivity composite bipolar plate and preparation method and application thereof |
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Application publication date: 20190301 |