CN106299205B - The preparation method of liquid flow energy storage battery diaphragm - Google Patents
The preparation method of liquid flow energy storage battery diaphragm Download PDFInfo
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- CN106299205B CN106299205B CN201610785608.9A CN201610785608A CN106299205B CN 106299205 B CN106299205 B CN 106299205B CN 201610785608 A CN201610785608 A CN 201610785608A CN 106299205 B CN106299205 B CN 106299205B
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- 239000007788 liquid Substances 0.000 title claims abstract description 38
- 238000004146 energy storage Methods 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- 238000001035 drying Methods 0.000 claims abstract description 38
- 238000004804 winding Methods 0.000 claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000605 extraction Methods 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 13
- 238000011049 filling Methods 0.000 claims abstract description 12
- -1 polypropylene Polymers 0.000 claims abstract description 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 11
- 150000008064 anhydrides Chemical class 0.000 claims abstract description 9
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims abstract description 8
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims abstract description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 7
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 7
- 239000004743 Polypropylene Substances 0.000 claims abstract description 7
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 7
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 7
- 239000008116 calcium stearate Substances 0.000 claims abstract description 7
- 239000004917 carbon fiber Substances 0.000 claims abstract description 7
- 238000000748 compression moulding Methods 0.000 claims abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920001155 polypropylene Polymers 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000005086 pumping Methods 0.000 claims description 60
- 238000003860 storage Methods 0.000 claims description 31
- 239000012530 fluid Substances 0.000 claims description 14
- 239000005662 Paraffin oil Substances 0.000 claims description 10
- JNXDCMUUZNIWPQ-UHFFFAOYSA-N trioctyl benzene-1,2,4-tricarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C(C(=O)OCCCCCCCC)=C1 JNXDCMUUZNIWPQ-UHFFFAOYSA-N 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- FXNDIJDIPNCZQJ-UHFFFAOYSA-N 2,4,4-trimethylpent-1-ene Chemical group CC(=C)CC(C)(C)C FXNDIJDIPNCZQJ-UHFFFAOYSA-N 0.000 claims description 6
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 6
- 150000002732 mesitylenes Chemical class 0.000 claims description 6
- DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical class CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 claims description 5
- 239000010812 mixed waste Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 3
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229960002415 trichloroethylene Drugs 0.000 claims description 3
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 3
- GJYCVCVHRSWLNY-UHFFFAOYSA-N 2-butylphenol Chemical compound CCCCC1=CC=CC=C1O GJYCVCVHRSWLNY-UHFFFAOYSA-N 0.000 description 2
- 230000003026 anti-oxygenic effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- ZRXYMHTYEQQBLN-UHFFFAOYSA-N [Br].[Zn] Chemical compound [Br].[Zn] ZRXYMHTYEQQBLN-UHFFFAOYSA-N 0.000 description 1
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 125000005591 trimellitate group Chemical group 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- 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
- H01M8/023—Porous and characterised by the material
- H01M8/0241—Composites
- H01M8/0243—Composites in the form of mixtures
-
- 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
- Y02E60/10—Energy storage using 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Cell Separators (AREA)
Abstract
The present invention relates to a kind of preparation method of liquid flow energy storage battery diaphragm, preparation method is：（1）Ultra-high molecular weight polyethylene, filling oil, anhydride silica, carbon fiber, polypropylene, Masterbatch, antioxidant, lauryl sodium sulfate, calcium stearate are added in blender after stirring and obtain mixture；（2）It adds mixture into squeeze out in extruder and obtains diaphragm germule, extrusion temperature is 60-80 DEG C；（3）Using five roll calendars to diaphragm germule compression moulding；（4）The oil in diaphragm germule is extracted by reextraction using oily extraction equipment；（5）It is dried twice by drying machine；（6）By the rolling machine winding of diaphragm after drying, production diaphragm porosity obtained increases, resistance reduces, and the cold starting performance of battery can be made more preferable, all has higher resistivity to short circuit and corrosion, is added significantly to the service life of battery.
Description
Technical field
The present invention relates to energy-storage battery technical field, more particularly to a kind of preparation method of liquid flow energy storage battery diaphragm.
Background technology
Diaphragm is the important component in liquid flow energy storage battery, is known as " third electrode ", it is placed in battery plus-negative plate plate
Between, it can both prevent positive and negative anodes from short circuit occurring in the electrolytic solution, while it is good also to ensure that electrolyte has between positive and negative anodes
Electric conductivity, also have the effects that mitigate plate buckling, prevent active material from falling off, good guarantor's fluidity, gas passage；With
The rapid development of new energy, electric vehicle, intelligent grid, liquid flow energy storage battery（All-vanadium flow battery, zinc-bromine flow battery, sulphur
Sour iron lithium flow battery）There are the extensive market demand, the construction in especially a large amount of peak load regulation network power stations, to superelevation energy-storage battery
Performance requirement it is higher and higher, as the diaphragm of one of four big component of energy-storage battery, the quality of performance directly affects energy storage
The performance quality of battery.
Invention content
The present invention proposes a kind of preparation method of liquid flow energy storage battery diaphragm regarding to the issue above, produces diaphragm obtained
Porosity increases, resistance reduces, and the cold starting performance of flow battery can be made more preferable, and higher support is all had to short circuit and corrosion
Anti- ability is added significantly to the service life of battery, reduces the self discharge of flow battery, while can promote liquid flow energy storage battery
The automated production level of industry improves the energy-storage property of battery.
Specific technical solution is as follows：
The preparation method of liquid flow energy storage battery diaphragm, preparation method are as follows：
（1）According to the mass fraction by 68-85 parts of ultra-high molecular weight polyethylene, 55-62 parts of oil of filling, anhydride silica
12-20 parts, 26-34 parts of carbon fiber, 12-18 parts of polypropylene, 5-16 parts of Masterbatch, 0.5-5 parts of antioxidant, lauryl sodium sulfate
8-18 parts, in 15-20 parts of addition blenders of calcium stearate after stirring 5-8h mixture；
（2）It adds mixture into squeeze out in extruder and obtains diaphragm germule, extrusion temperature is 60-80 DEG C；
（3）Using five roll calendars to diaphragm germule compression moulding；
（4）The oil in diaphragm germule is extracted by reextraction using oily extraction equipment；
（5）It is dried twice by drying machine, first time drying temperature is 70-90 DEG C, drying time 2-3h, second
Drying temperature is 60-80 DEG C, drying time 3-6h；
（6）By the rolling machine winding of diaphragm after drying.
The preparation method of above-mentioned energy-storage battery diaphragm, wherein the oil factor of the anhydride silica is 320-380（g/
100g）.
The preparation method of above-mentioned liquid flow energy storage battery diaphragm, wherein the molecular weight of the ultra-high molecular weight polyethylene is more than
2000000.
The preparation method of above-mentioned liquid flow energy storage battery diaphragm, wherein the filling oil is by acetone, paraffin oil, naphthenic base rubber
Glue oil, one or more in poly alpha olefine synthetic oil mix.
The preparation method of above-mentioned liquid flow energy storage battery diaphragm, wherein the antioxidant is according to the mass fraction by 2,6-two uncles
15-20 parts of butylphenol, 3-5 parts of 1,3,5- trimethylbenzenes, 5-8 parts of Diisobutylene, 1-3 parts of diphenylamines, tri trimellitate are pungent
0.1-2 parts of ester is mixed with.
The preparation method of above-mentioned energy-storage battery diaphragm, wherein it is described oil extraction equipment include holder, first oil pumping mechanism,
Second oil pumping mechanism, the first roller, the first winding roller, the second roller, the second winding roller, motor and feed control mechanism,
The holder includes upper plate, lower plate and side support plate, is connected by side support plate between upper plate and lower plate, and first
Oil pumping mechanism is fixed on upper plate, and the first roller, the first winding roller are separately fixed at the first oil pumping mechanism both sides, and second takes out
Oil machine structure is fixed on lower plate, and the second roller, the second winding roller are separately fixed at the second oil pumping mechanism both sides, the first oil pumping
Mechanism carries out single extraction, and the second oil pumping mechanism carries out reextraction；
First roller, the first winding roller, the second roller, the second winding roller include support base and pass through second
The rotatable roller being fixed on support base of shaft, one first gear of the second shaft external stability of the first winding roller,
One second gear of the second shaft external stability of second winding roller, is connected between first gear and second gear by chain
It connects, motor is equipped with driving gear, and driving gear is meshed with second gear, and the outer diameter of second gear is first gear outer diameter
2-4 times；
It is described first oil pumping mechanism and second oil pumping mechanism include shell, several cover boards, main drive roller and auxiliary driving roller,
1 fewer than the quantity of auxiliary driving roller of the quantity of main drive roller, main drive roller and auxiliary driving roller are alternately rotatable by shaft
It is fixed in shell, main drive roller is located at the top of auxiliary driving roller；
The feed control mechanism includes the first storage tank, the second storage tank, third storage tank, the first feed pipe, second
Feed pipe, third feed pipe, the first strength of fluid sensor, second liquid concentration sensor and PLC controller, the first feed pipe
One end is connected with the first storage tank, and the other end is connected with the first oil pumping mechanism, and the first feed pipe is equipped with the first mateiral pump,
First feed pipe is connected by the first branch pipe(tube) with the second oil pumping mechanism, and second feed pipe one end is connected with the second storage tank
Logical, the other end is connected with the first oil pumping mechanism, and the second feed pipe is equipped with the second mateiral pump, and the second feed pipe passes through second
Pipeline is connected with the second oil pumping mechanism, and third feed pipe one end is connected with third storage tank, the other end and the first pumping unit
Structure is connected, and third feed pipe is equipped with third mateiral pump, and third feed pipe passes through third branch pipe(tube) and the second oil pumping mechanism phase
Connection, the setting of the first strength of fluid sensor is in the first oil pumping mechanism, and the setting of second liquid concentration sensor is in the second oil pumping
In mechanism；The first strength of fluid sensor, second liquid concentration sensor, the first mateiral pump, the second mateiral pump, third are taken out
Material pump, motor are connected with PLC controller；
First storage tank is for storing trichloro ethylene extractant, the second storage tank for storing paraffin oil, third storage tank
Mixed waste liquor for storing paraffin oil and extractant.
The preparation method of above-mentioned liquid flow energy storage battery diaphragm, wherein in the inner walls it is opposite be respectively provided with one it is anti-
The cross sectional shape of guard strip, security bar is arc-shaped structure.
The preparation method of above-mentioned liquid flow energy storage battery diaphragm, wherein first feed pipe, the first branch pipe(tube), second into
Expects pipe, third feed pipe, is respectively equipped with a solenoid valve, solenoid valve and PLC controller phase on third branch pipe(tube) at the second branch pipe(tube)
Connection.
The preparation method of above-mentioned liquid flow energy storage battery diaphragm, wherein there are two being set in the opposite two side walls of the shell
First fixed plate is uniformly provided with the first fixed strip that several sections are u shape structures between the first fixed plate, and adjacent first fixes
The second fixed plate is equipped between item or the first fixed strip and the first fixed plate, the quantity of the cover board is multiple, each cover board
Bottom is equipped with a circle clamping groove, and cover board is snap-in to be fixed on shell.
Beneficial effects of the present invention are：
The present invention, by preform extrusion forming at the beginning of diaphragm, utilizes superhigh molecular weight polyethylene using the method for 60-80 DEG C of low-temp. extrusion
Alkene will not melt, but glued together with silica, form the characteristic of the hydrophilic diaphragm of very high porosities, also there is no need to
It adds other finishes again in extrusion, does not generate black floating body, sulfuric acid is stored in diaphragm pore, it is ensured that as much as possible
Particle is permeated by electrolyte from diaphragm hole, and in the battery, positive plate precipitated oxygen in overcharge passes through diaphragm
Negative plate or positive plate are reached, there is good antioxygenic property, production diaphragm porosity obtained increases, resistance reduces, energy
Enough make the cold starting performance of battery more preferable, higher resistivity is all had to short circuit and corrosion, is added significantly to making for battery
Use the service life.
The present invention carries out single extraction by the first oil pumping mechanism to diaphragm, and two are carried out to diaphragm by the second oil pumping mechanism
Secondary extraction, since the outer diameter of second gear is 2-4 times of first gear outer diameter, the speed of service of the first oil pumping mechanism is high
In the speed of service of the second oil pumping mechanism, reextraction speed is different, and the time is different, and the oil content of diaphragm can be greatly reduced,
Improve porosity；
The present invention is monitored in real time by the first strength of fluid sensor, the second liquid concentration sensor of feed control mechanism
The concentration of extractant, the lasting mixed waste liquor for extracting oil and extractant, reinjects new oil and extractant in the process of running, leads to
It crosses PLC controller and adjusts charging and discharging speed to ensure that extractant concentration is stablized；
It is opposite on inventive shell inner wall to be respectively provided with the security bar that a section is arc-shaped structure, it can effectively prevent
Diaphragm is damaged in the course of work, influences Quality Cost；
The quantity of lid of the present invention is multiple, is respectively clamped into being fixed on shell for formula, can be more firmly mounted, be not easy
Fracture, can individually open lid and be observed according to demand.
Description of the drawings
Fig. 1 is the oily extraction equipment structure chart of the present invention.
Fig. 2 is the first oil pumping mechanism of the present invention or the second oil pumping mechanism sectional view.
Fig. 3 is motor of the present invention and second gear engaging structure figure.
Fig. 4 is inventive shell structure chart.
Fig. 5 is cover board sectional view of the present invention.
Fig. 6 is inventive pipeline connection figure.
Fig. 7 is electrical connection diagram of the present invention.
Specific implementation mode
Clear to make technical scheme of the present invention be more clear, the present invention is described further below in conjunction with the accompanying drawings,
Any technical characteristic to technical solution of the present invention carries out the scheme that equivalencing is obtained with conventional reasoning and each falls within guarantor of the present invention
Protect range.
Reference numeral
Holder 1, first pump mechanism 2, second pump mechanism 3, the first roller 4, first winding roller 5, the second roller 6,
Second winding roller 7, motor 8, feed control mechanism 9, upper plate 10, lower plate 11, side support plate 12, security bar 13, first
Fixed plate 14, the first fixed strip 15, the second fixed plate 16, support base 17, the second shaft 18, roller 19, first gear 20, second
Gear 21, chain 22, driving gear 23, shell 24, cover board 25, main drive roller 26, auxiliary driving roller 27, the first storage tank 28,
Two storage tanks 29, third storage tank 30, the first feed pipe 31, the second feed pipe 32, third feed pipe 33, the first strength of fluid pass
Sensor 34, second liquid concentration sensor 35, PLC controller 36, the first mateiral pump 37, the first branch pipe(tube) 38, the second mateiral pump
39, the second branch pipe(tube) 40, third mateiral pump 41, third branch pipe(tube) 42, clamping groove 43, solenoid valve 44.
Embodiment one
The preparation method of liquid flow energy storage battery diaphragm, preparation method are as follows：
（1）By paraffin oil, naphthenic rubber oil, poly alpha olefine synthetic oil with 2：1：3 quality parts ratio, which is mixed to prepare, fills out
It is oil-filled；
（2）By mass fraction by 18 parts of 2,6-DI-tert-butylphenol compounds, 4 parts of 1,3,5- trimethylbenzenes, 6 parts of Diisobutylene,
2 parts of diphenylamines, 1.6 parts of trioctyl trimellitate (TOTM) are mixed with to obtain antioxidant；
（3）72 parts of ultra-high molecular weight polyethylene, filling oily 58 parts, oil suction according to the mass fraction by molecular weight for 2,200,000
Value is 360（g/100g）16 parts of anhydride silica, 30 parts of carbon fiber, 15 parts of polypropylene, 9 parts of Masterbatch, 2.3 parts of antioxidant,
Mixture is obtained after stirring 6h in 16 parts of 14 parts of lauryl sodium sulfate, calcium stearate addition blenders；
（4）It adds mixture into squeeze out in extruder and obtains diaphragm germule, extrusion temperature is 70 DEG C；
（5）Using five roll calendars to diaphragm germule compression moulding；
（6）The oil in diaphragm germule is extracted by reextraction using oily extraction equipment；
（7）It is dried twice by drying machine, first time drying temperature is 80 DEG C, drying time 3h, second of drying
Temperature is 70 DEG C, drying time 6h；
（8）By the rolling machine winding of diaphragm after drying.
Embodiment two
The preparation method of liquid flow energy storage battery diaphragm, preparation method are as follows：
（1）By 0.8：Acetone, paraffin oil are mixed to prepare filling oil by 3 quality parts ratio；
（2）By mass fraction by 16 parts of 2,6-DI-tert-butylphenol compounds, 3.2 parts of 1,3,5- trimethylbenzenes, Diisobutylene 7
Part, 1.8 parts of diphenylamines, 0.6 part of trioctyl trimellitate (TOTM) are mixed with to obtain antioxidant；
（3）82 parts of ultra-high molecular weight polyethylene, filling oily 60 parts, oil suction according to the mass fraction by molecular weight for 2,800,000
Value is 370（g/100g）13 parts of anhydride silica, 32 parts of carbon fiber, 16 parts of polypropylene, 7 parts of Masterbatch, 3.4 parts of antioxidant,
The mixture after 8h is stirred in 18 parts of 12 parts of lauryl sodium sulfate, calcium stearate addition blenders；
（4）It adds mixture into squeeze out in extruder and obtains diaphragm germule, extrusion temperature is 75 DEG C；
（5）Using five roll calendars to diaphragm germule compression moulding；
（6）The oil in diaphragm germule is extracted by reextraction using oily extraction equipment；
（7）It is dried twice by drying machine, first time drying temperature is 90 DEG C, drying time 2h, second of drying
Temperature is 80 DEG C, drying time 4h；
（8）By the rolling machine winding of diaphragm after drying.
Embodiment three
The preparation method of liquid flow energy storage battery diaphragm, preparation method are as follows：
（1）By 1：Paraffin oil, poly alpha olefine synthetic oil are mixed to prepare filling oil by 1 quality parts ratio；
（2）By mass fraction by 20 parts of 2,6-DI-tert-butylphenol compounds, 5 parts of 1,3,5- trimethylbenzenes, 8 parts of Diisobutylene,
3 parts of diphenylamines, 2 parts of trioctyl trimellitate (TOTM) are mixed with to obtain antioxidant；
（3）85 parts of ultra-high molecular weight polyethylene, filling oily 62 parts, oil suction according to the mass fraction by molecular weight for 3,000,000
Value is 380（g/100g）20 parts of anhydride silica, 34 parts of carbon fiber, 18 parts of polypropylene, 16 parts of Masterbatch, 5 parts of antioxidant, ten
The mixture after 8h is stirred in 20 parts of 18 parts of sodium dialkyl sulfate, calcium stearate addition blenders；
（4）It adds mixture into squeeze out in extruder and obtains diaphragm germule, extrusion temperature is 80 DEG C；
（5）Using five roll calendars to diaphragm germule compression moulding；
（6）The oil in diaphragm germule is extracted by reextraction using oily extraction equipment；
（7）It is dried twice by drying machine, first time drying temperature is 90 DEG C, drying time 2h, second of drying
Temperature is 80 DEG C, drying time 6h；
（8）By the rolling machine winding of diaphragm after drying.
Example IV
The preparation method of liquid flow energy storage battery diaphragm, preparation method are as follows：
（1）By 0.7：1：3：2.3 quality parts ratio by acetone, paraffin oil, naphthenic rubber oil, poly alpha olefine synthetic oil
It is mixed to prepare filling oil；
（2）By mass fraction by 15 parts of 2,6-DI-tert-butylphenol compounds, 3 parts of 1,3,5- trimethylbenzenes, 5 parts of Diisobutylene,
1 part of diphenylamines, 0.1 part of trioctyl trimellitate (TOTM) are mixed with to obtain antioxidant；
（3）68 parts of ultra-high molecular weight polyethylene, filling oily 55 parts, oil suction according to the mass fraction by molecular weight for 2,800,000
Value is 380（g/100g）12 parts of anhydride silica, 26 parts of carbon fiber, 12 parts of polypropylene, 5 parts of Masterbatch, 0.5 part of antioxidant,
The mixture after 6h is stirred in 15 parts of 8 parts of lauryl sodium sulfate, calcium stearate addition blenders；
（4）It adds mixture into squeeze out in extruder and obtains diaphragm germule, extrusion temperature is 60 DEG C；
（5）Using five roll calendars to diaphragm germule compression moulding；
（6）The oil in diaphragm germule is extracted by reextraction using oily extraction equipment；
（7）It is dried twice by drying machine, first time drying temperature is 70 DEG C, drying time 3h, second of drying
Temperature is 60 DEG C, drying time 6h；
（8）By the rolling machine winding of diaphragm after drying.
Embodiment one as shown in the figure to the oily extraction equipment described in example IV, including holder 1, first pump mechanism 2,
Second oil pumping mechanism 3, the first roller 4, first winding roller 5, the second roller 6, second winding roller 7, motor 8 and charging control
Mechanism 9, the holder include upper plate 10, lower plate 11 and side support plate 12, pass through collateral support between upper plate and lower plate
Plate is connected, and the first oil pumping mechanism is fixed on upper plate, and the first roller, the first winding roller are separately fixed at the first pumping unit
Structure both sides, the second oil pumping mechanism are fixed on lower plate, and the second roller, the second winding roller are separately fixed at the second oil pumping mechanism
Both sides；
First roller, the first winding roller, the second roller, the second winding roller include support base 17 and by the
Two shafts, the 18 rotatable roller 19 being fixed on support base, the second shaft external stability one first of the first winding roller
Gear 20, one second gear 21 of the second shaft external stability of the second winding roller, leads between first gear and second gear
It crosses chain 22 to be connected, motor is equipped with driving gear 23, and driving gear is meshed with second gear, and the outer diameter of second gear is
2-4 times of first gear outer diameter；
The first oil pumping mechanism and the second oil pumping mechanism include shell 24, several cover boards 25, main drive roller 26 and pair
Live-roller 27,1 fewer than the quantity of auxiliary driving roller of the quantity of main drive roller, main drive roller and auxiliary driving roller are alternate by shaft
Rotatable to be fixed in shell, main drive roller is located at the top of auxiliary driving roller, diaphragm since the first roller or the second roller,
Main drive roller and auxiliary driving roller are bypassed in s shapes, is collected in the first winding roller or the second winding roller coiled；
Opposite in the inner walls to be respectively provided with a security bar 13, the cross sectional shape of security bar is arc-shaped structure,
It is set in the opposite two side walls of the shell there are two the first fixed plate 14, being uniformly provided with several sections between the first fixed plate is
First fixed strip 15 of u shape structures, second is equipped between the first adjacent fixed strip or the first fixed strip and the first fixed plate
The quantity of fixed plate 16, the cover board is multiple, and each cover board bottom is equipped with a circle clamping groove 43, and cover board is snap-in to be consolidated
It is scheduled on shell；
The feed control mechanism includes the first storage tank 28, the second storage tank 29, third storage tank 30, the first feed pipe
31, the second feed pipe 32, third feed pipe 33, the first strength of fluid sensor 34, second liquid concentration sensor 35 and PLC controls
Device 36 processed, first feed pipe one end are connected with the first storage tank, and the other end is connected with the first oil pumping mechanism, the first feed pipe
It is equipped with the first mateiral pump 37, the first feed pipe is connected by the first branch pipe(tube) 38 with the second oil pumping mechanism, the second feed pipe
One end is connected with the second storage tank, and the other end is connected with the first oil pumping mechanism, and the second feed pipe is equipped with the second mateiral pump
39, the second feed pipe is connected by the second branch pipe(tube) 40 with the second oil pumping mechanism, third feed pipe one end and third storage tank
It is connected, the other end is connected with the first oil pumping mechanism, and third feed pipe is equipped with third mateiral pump 41, and third feed pipe passes through
Third branch pipe(tube) 42 is connected with the second oil pumping mechanism, and the setting of the first strength of fluid sensor is in the first oil pumping mechanism, and second
The setting of strength of fluid sensor is in the second oil pumping mechanism；First feed pipe, the first branch pipe(tube), the second feed pipe, second
Branch pipe(tube), third feed pipe are respectively equipped with a solenoid valve 44, the first strength of fluid sensor, on third branch pipe(tube)
Two strength of fluid sensors, the first mateiral pump, the second mateiral pump, third mateiral pump, motor, solenoid valve with PLC controller phase
Connection；
First storage tank is used for for storing trichloro ethylene extractant, the second storage tank for storing oily, third storage tank
The mixed waste liquor of storage oil and extractant.
The present invention, by preform extrusion forming at the beginning of diaphragm, utilizes superhigh molecular weight polyethylene using the method for 60-80 DEG C of low-temp. extrusion
Alkene will not melt, but glued together with silica, form the characteristic of the hydrophilic diaphragm of very high porosities, also there is no need to
It adds other finishes again in extrusion, does not generate black floating body, sulfuric acid is stored in diaphragm pore, it is ensured that as much as possible
Particle is permeated by electrolyte from diaphragm hole, and in the battery, positive plate precipitated oxygen in overcharge passes through diaphragm
Negative plate or positive plate are reached, there is good antioxygenic property, production diaphragm porosity obtained increases, resistance reduces, energy
Enough make the cold starting performance of battery more preferable, higher resistivity is all had to short circuit and corrosion, is added significantly to making for battery
Use the service life.
Performance indicator is as follows after testing for the diaphragm being prepared：
Base is thick：0.78-0.82mm
Total thickness：0.98-1.02mm
Porosity：> 75%
Aperture：22nm
Resistance：≤0.01Ωdm2
MEBO ribbon gauze：≤30s.
The present invention carries out single extraction by the first oil pumping mechanism to diaphragm, and two are carried out to diaphragm by the second oil pumping mechanism
Secondary extraction, since the outer diameter of second gear is 2-4 times of first gear outer diameter, the speed of service of the first oil pumping mechanism is high
In the speed of service of the second oil pumping mechanism, reextraction speed is different, and the time is different, and the oil content of diaphragm can be greatly reduced,
Improve porosity；
The present invention is monitored in real time by the first strength of fluid sensor, the second liquid concentration sensor of feed control mechanism
The concentration of extractant, the lasting mixed waste liquor for extracting oil and extractant, reinjects new oil and extractant in the process of running, leads to
It crosses PLC controller and adjusts charging and discharging speed to ensure that extractant concentration is stablized；
It is opposite on inventive shell inner wall to be respectively provided with the security bar that a section is arc-shaped structure, it can effectively prevent
Diaphragm is damaged in the course of work, influences Quality Cost；
The quantity of lid of the present invention is multiple, is respectively clamped into being fixed on shell for formula, can be more firmly mounted, be not easy
Fracture, can individually open lid and be observed according to demand.
Claims (9)
1. the preparation method of liquid flow energy storage battery diaphragm, it is characterized in that, preparation method is as follows：
（1）According to the mass fraction by 68-85 parts of ultra-high molecular weight polyethylene, 55-62 parts of oil of filling, anhydride silica 12-20
Part, 26-34 parts of carbon fiber, 12-18 parts of polypropylene, 5-16 parts of Masterbatch, 0.5-5 parts of antioxidant, lauryl sodium sulfate 8-18
In 15-20 parts of part, calcium stearate addition blenders mixture is obtained after stirring 5-8h；
（2）It adds mixture into squeeze out in extruder and obtains diaphragm germule, extrusion temperature is 60-80 DEG C；
（3）Using five roll calendars to diaphragm germule compression moulding；
（4）The oil in diaphragm germule is extracted by reextraction using oily extraction equipment；
（5）It is dried twice by drying machine, first time drying temperature is 70-90 DEG C, drying time 2-3h, second of drying
Temperature is 60-80 DEG C, drying time 3-6h；
（6）By the rolling machine winding of diaphragm after drying.
2. the preparation method of liquid flow energy storage battery diaphragm as described in claim 1, it is characterized in that, the anhydride silica
Oil factor is 320-380（g/100g）.
3. the preparation method of liquid flow energy storage battery diaphragm as described in claim 1, it is characterized in that, the superhigh molecular weight polyethylene
The molecular weight of alkene is more than 2,000,000.
4. the preparation method of liquid flow energy storage battery diaphragm as described in claim 1, it is characterized in that, the filling oil by acetone,
Paraffin oil, naphthenic rubber oil, one or more in poly alpha olefine synthetic oil mix.
5. the preparation method of liquid flow energy storage battery diaphragm as described in claim 1, it is characterized in that, the antioxidant presses mass parts
Number meter is by 15-20 parts of 2,6-DI-tert-butylphenol compounds, 3-5 parts of 1,3,5- trimethylbenzenes, 5-8 parts of Diisobutylene, diphenylamines 1-3
Part, 0.1-2 parts of trioctyl trimellitate (TOTM) are mixed with.
6. the preparation method of liquid flow energy storage battery diaphragm as described in claim 1, it is characterized in that, the oil extraction equipment includes
Holder, the first oil pumping mechanism, the second oil pumping mechanism, the first roller, the first winding roller, the second roller, the second winding roller, electricity
Machine and feed control mechanism, the holder include upper plate, lower plate and side support plate, pass through side between upper plate and lower plate
Support plate is connected, and the first oil pumping mechanism is fixed on upper plate, and the first roller, the first winding roller are separately fixed at the first pumping
Oil machine structure both sides, the second oil pumping mechanism are fixed on lower plate, and the second roller, the second winding roller are separately fixed at the second oil pumping
Mechanism both sides, the first oil pumping mechanism carry out single extraction, and the second oil pumping mechanism carries out reextraction；
First roller, the first winding roller, the second roller, the second winding roller including support base and pass through the second shaft
The rotatable roller being fixed on support base, one first gear of the second shaft external stability of the first winding roller, second
One second gear of the second shaft external stability for winding roller, is connected between first gear and second gear by chain,
Motor is equipped with driving gear, and driving gear is meshed with second gear, and the outer diameter of second gear is the 2-4 of first gear outer diameter
Times；
The first oil pumping mechanism and the second oil pumping mechanism include shell, several cover boards, main drive roller and auxiliary driving roller, main biography
1 fewer than the quantity of auxiliary driving roller of the quantity of dynamic roller, main drive roller and auxiliary driving roller pass through shaft alternately rotatable fixation
In shell, main drive roller is located at the top of auxiliary driving roller；
The feed control mechanism includes the first storage tank, the second storage tank, third storage tank, the first feed pipe, the second charging
Pipe, third feed pipe, the first strength of fluid sensor, second liquid concentration sensor and PLC controller, first feed pipe one end
Be connected with the first storage tank, the other end with first oil pumping mechanism be connected, the first feed pipe be equipped with the first mateiral pump, first
Feed pipe is connected by the first branch pipe(tube) with the second oil pumping mechanism, and second feed pipe one end is connected with the second storage tank, separately
One end is connected with the first oil pumping mechanism, and the second feed pipe is equipped with the second mateiral pump, and the second feed pipe passes through the second branch pipe(tube)
It is connected with the second oil pumping mechanism, third feed pipe one end is connected with third storage tank, the other end and the first oil pumping mechanism phase
Connection, third feed pipe are equipped with third mateiral pump, and third feed pipe is connected by third branch pipe(tube) with the second oil pumping mechanism,
The setting of first strength of fluid sensor is in the first oil pumping mechanism, and the setting of second liquid concentration sensor is in the second oil pumping mechanism
It is interior；The first strength of fluid sensor, second liquid concentration sensor, the first mateiral pump, the second mateiral pump, third take out material
Pump, motor are connected with PLC controller；
First storage tank is used to store trichloro ethylene extractant, the second storage tank is used to store paraffin oil, third storage tank is used for
Store the mixed waste liquor of paraffin oil and extractant.
7. the preparation method of liquid flow energy storage battery diaphragm as claimed in claim 6, it is characterized in that, it is opposite in the inner walls
Be respectively provided with a security bar, the cross sectional shape of security bar is arc-shaped structure.
8. the preparation method of liquid flow energy storage battery diaphragm as claimed in claim 6, it is characterized in that, first feed pipe,
One branch pipe(tube), the second branch pipe(tube), third feed pipe, is respectively equipped with a solenoid valve, electromagnetism on third branch pipe(tube) at the second feed pipe
Valve is connected with PLC controller.
9. the preparation method of liquid flow energy storage battery diaphragm as claimed in claim 6, it is characterized in that, opposite two of the shell
It is set on side wall there are two the first fixed plate, the first fixed strip that several sections are u shape structures is uniformly provided between the first fixed plate,
It is equipped with the second fixed plate between adjacent the first fixed strip or the first fixed strip and the first fixed plate, the quantity of the cover board is
Multiple, each cover board bottom is equipped with a circle clamping groove, and cover board is snap-in to be fixed on shell.
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| CN201610785608.9A CN106299205B (en) | 2016-08-31 | 2016-08-31 | The preparation method of liquid flow energy storage battery diaphragm |
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|---|---|---|---|
| CN201610785608.9A CN106299205B (en) | 2016-08-31 | 2016-08-31 | The preparation method of liquid flow energy storage battery diaphragm |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1341282A (en) * | 1999-02-19 | 2002-03-20 | 阿姆泰克研究国际公司 | Electrically conductive freestanding microporous polymer sheet |
| CN1954447A (en) * | 2004-05-12 | 2007-04-25 | 加林·萨米伊 | Improved Performance Break Diaphragms |
| CN103618057A (en) * | 2013-11-26 | 2014-03-05 | 青海百能汇通新能源科技有限公司 | Zinc-bromine flow battery diaphragm applicable to laser welding, and preparation method thereof |
| CN105355826A (en) * | 2015-11-27 | 2016-02-24 | 江苏神力电源科技有限公司 | PE diaphragm used for novel energy storage battery |
| CN105449144A (en) * | 2015-11-27 | 2016-03-30 | 江苏神力电源科技有限公司 | PE separator free of coating treatment and production method for PE separator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9896555B2 (en) * | 2009-03-19 | 2018-02-20 | Amtek Research International Llc | Freestanding, heat resistant microporous film for use in energy storage devices |
-
2016
- 2016-08-31 CN CN201610785608.9A patent/CN106299205B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1341282A (en) * | 1999-02-19 | 2002-03-20 | 阿姆泰克研究国际公司 | Electrically conductive freestanding microporous polymer sheet |
| CN1954447A (en) * | 2004-05-12 | 2007-04-25 | 加林·萨米伊 | Improved Performance Break Diaphragms |
| CN103618057A (en) * | 2013-11-26 | 2014-03-05 | 青海百能汇通新能源科技有限公司 | Zinc-bromine flow battery diaphragm applicable to laser welding, and preparation method thereof |
| CN105355826A (en) * | 2015-11-27 | 2016-02-24 | 江苏神力电源科技有限公司 | PE diaphragm used for novel energy storage battery |
| CN105449144A (en) * | 2015-11-27 | 2016-03-30 | 江苏神力电源科技有限公司 | PE separator free of coating treatment and production method for PE separator |
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