CN106207220B - A kind of liquid flow energy storage battery diaphragm - Google Patents
A kind of liquid flow energy storage battery diaphragm Download PDFInfo
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- CN106207220B CN106207220B CN201610781353.9A CN201610781353A CN106207220B CN 106207220 B CN106207220 B CN 106207220B CN 201610781353 A CN201610781353 A CN 201610781353A CN 106207220 B CN106207220 B CN 106207220B
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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
- H01M8/023—Porous and characterised by the material
- H01M8/0239—Organic resins; Organic polymers
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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
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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
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- Y02E60/50—Fuel cells
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Abstract
The present invention relates to a kind of superelevation liquid flow energy storage battery diaphragms, including base, base is equipped with several ribs, the setting that rib is parallel to each other is in base, the thickness h 1 of base is 0.7mm, and the height h2 of rib is 0.3mm, and the distance between two neighboring rib L1 is 7mm, nanometer micropore, the porosity > 70% of nanometer micropore are equipped in diaphragm;The composition of the battery diaphragm is as follows according to the mass fraction: 68-85 parts of ultra-high molecular weight polyethylene, filling 55-62 parts of oil, 12-20 parts of anhydride silica, 26-34 parts of carbon fiber, 12-18 parts of polypropylene, 5-16 parts of Masterbatch, 0.5-5 parts of antioxidant, 8-18 parts of lauryl sodium sulfate, 15-20 parts of calcium stearate, gap rate increases, resistance reduces, the cold starting performance of battery can be made more preferable, higher resistivity is all had 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, in particular to a kind of liquid flow energy storage battery diaphragm.
Background technique
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 guarantee 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 liquid retention, gas passage;With
The rapid development of new energy, electric car, smart 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 the property of energy-storage battery
It can require higher and higher, as the diaphragm of one of the big component of energy-storage battery four, the quality of performance directly affects energy-storage battery
Performance quality.
Summary of the invention
The present invention proposes a kind of liquid flow energy storage battery diaphragm regarding to the issue above, and porosity increases, resistance reduces, can
Keep the cold starting performance of battery more preferable, higher resistivity is all had to short circuit and corrosion, is added significantly to energy-storage battery
Service life reduces the self discharge of flow battery, while can promote the automated production level of liquid flow energy storage battery industry, mentions
The high energy-storage property of battery.
Specific technical solution is as follows:
A kind of liquid flow energy storage battery diaphragm, including base, base are equipped with several ribs, and the setting that rib is parallel to each other exists
In base, the thickness h 1 of base is 0.7mm, and the height h2 of rib is 0.3mm, and the distance between two neighboring rib L1 is 7mm,
Nanometer micropore, the porosity > 70% of nanometer micropore are equipped in diaphragm;
The composition of the battery diaphragm is as follows according to the mass fraction:
68-85 parts of ultra-high molecular weight polyethylene,
55-62 parts of oil of filling,
12-20 parts of anhydride silica,
26-34 parts of carbon fiber,
12-18 parts of polypropylene,
5-16 parts of Masterbatch,
0.5-5 parts of antioxidant,
8-18 parts of lauryl sodium sulfate,
15-20 parts of calcium stearate.
Above-mentioned a kind of liquid flow energy storage battery diaphragm, wherein the oil factor of the anhydride silica is 320-380(g/
100g).
Above-mentioned a kind of liquid flow energy storage battery diaphragm, wherein the molecular weight of the ultra-high molecular weight polyethylene is greater than 2,000,000.
Above-mentioned a kind of liquid flow energy storage battery diaphragm, wherein the filling oil is oily, poly- by acetone, paraffin oil, naphthenic rubber
One of alpha olefine synthetic oil a variety of mixes.
Above-mentioned a kind of liquid flow energy storage battery diaphragm, wherein the antioxidant is according to the mass fraction by 2,6-di-tert-butyls
15-20 parts of phenol, 3-5 parts of 1,3,5- trimethylbenzene, 5-8 parts of Diisobutylene, 1-3 parts of diphenylamines, trioctyl trimellitate (TOTM) 0.1-2
Part is mixed with.
A kind of above-mentioned liquid flow energy storage battery diaphragm, wherein battery diaphragm the preparation method is as follows:
(1) by ultra-high molecular weight polyethylene, filling oil, anhydride silica, carbon fiber, polypropylene, Masterbatch, antioxygen
Agent, lauryl sodium sulfate, calcium stearate, which are added in blender, obtains mixture 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) 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) the rolling machine of diaphragm after drying is wound.
The invention has the benefit that
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 process, does not generate black floating body, sulfuric acid is stored in diaphragm pore, it is ensured that as much as possible
Particle is permeated from diaphragm hole by electrolyte, 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.
Detailed description of the invention
Fig. 1 is structure of the invention figure.
Fig. 2 is cross-sectional view of the present invention.
The oily extraction equipment structure chart of Fig. 3 present invention.
The first oil pumping mechanism of Fig. 4 present invention or the second oil pumping mechanism cross-sectional view.
Fig. 5 motor of the present invention and second gear engaging structure figure.
Fig. 6 inventive shell structure chart.
Fig. 7 cover board cross-sectional view of the present invention.
Fig. 8 inventive pipeline connection figure.
Fig. 9 electrical connection diagram of the present invention.
Specific embodiment
Clear to be more clear technical solution of the present invention, the present invention is described further with reference to the accompanying drawing,
The technical characteristic of any pair of 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.
Appended drawing reference
Bracket 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, base 45, rib 46,
Nanometer micropore 47.
Embodiment one
A kind of liquid flow energy storage battery diaphragm, including base 45, base are equipped with several ribs 46, and what rib was parallel to each other sets
It sets in base, the thickness h 1 of base is 0.7mm, and the height h2 of rib is 0.3mm, and the distance between two neighboring rib L1 is
7mm, diaphragm is interior to be equipped with nanometer micropore 47;
Energy-storage battery diaphragm the preparation method is as follows:
(1) paraffin oil, naphthenic rubber oil, poly alpha olefine synthetic oil are mixed to prepare with the mass parts ratio of 2:1:3 and are filled 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- trimethylbenzene, 6 parts of Diisobutylene,
2 parts of diphenylamines, 1.6 parts of trioctyl trimellitate (TOTM) be mixed with to obtain antioxidant;
(3) 72 parts of the ultra-high molecular weight polyethylene according to the mass fraction by molecular weight for 2,200,000, filling oily 58 parts, oil suction
Value be 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) 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) the rolling machine of diaphragm after drying is wound.
Embodiment two
A kind of liquid flow energy storage battery diaphragm, including base 45, base are equipped with several ribs 46, and what rib was parallel to each other sets
It sets in base, the thickness h 1 of base is 0.7mm, and the height h2 of rib is 0.3mm, and the distance between two neighboring rib L1 is
7mm, diaphragm is interior to be equipped with nanometer micropore 47;
Energy-storage battery diaphragm the preparation method is as follows:
(1) acetone, paraffin oil are mixed to prepare filling oil by the mass parts ratio of 0.8:3;
(2) mass fraction is pressed by 16 parts of 2,6-DI-tert-butylphenol compounds, 3.2 parts of 1,3,5- trimethylbenzene, Diisobutylene 7
Part, 1.8 parts of diphenylamines, 0.6 part of trioctyl trimellitate (TOTM) be mixed with to obtain antioxidant;
(3) 82 parts of the ultra-high molecular weight polyethylene according to the mass fraction by molecular weight for 2,800,000, filling oily 60 parts, oil suction
Value be 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) 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) the rolling machine of diaphragm after drying is wound.
Embodiment three
A kind of liquid flow energy storage battery diaphragm, including base 45, base are equipped with several ribs 46, and what rib was parallel to each other sets
It sets in base, the thickness h 1 of base is 0.7mm, and the height h2 of rib is 0.3mm, and the distance between two neighboring rib L1 is
7mm, diaphragm is interior to be equipped with nanometer micropore 47;
Energy-storage battery diaphragm the preparation method is as follows:
(1) paraffin oil, poly alpha olefine synthetic oil are mixed to prepare filling oil by the mass parts ratio of 1:1;
(2) by mass fraction by 20 parts of 2,6-DI-tert-butylphenol compounds, 5 parts of 1,3,5- trimethylbenzene, 8 parts of Diisobutylene,
3 parts of diphenylamines, 2 parts of trioctyl trimellitate (TOTM) be mixed with to obtain antioxidant;
(3) 85 parts of the ultra-high molecular weight polyethylene according to the mass fraction by molecular weight for 3,000,000, filling oily 62 parts, oil suction
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) 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) the rolling machine of diaphragm after drying is wound.
Example IV
A kind of liquid flow energy storage battery diaphragm, including base 45, base are equipped with several ribs 46, and what rib was parallel to each other sets
It sets in base, the thickness h 1 of base is 0.7mm, and the height h2 of rib is 0.3mm, and the distance between two neighboring rib L1 is
7mm, diaphragm is interior to be equipped with nanometer micropore 47;
Energy-storage battery diaphragm the preparation method is as follows:
(1) by 0.7:1:3:2.3 mass 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- trimethylbenzene, 5 parts of Diisobutylene,
1 part of diphenylamines, 0.1 part of trioctyl trimellitate (TOTM) be mixed with to obtain antioxidant;
(3) 68 parts of the ultra-high molecular weight polyethylene according to the mass fraction by molecular weight for 2,800,000, filling oily 55 parts, oil suction
Value be 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) 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) the rolling machine of diaphragm after drying is wound.
Embodiment one as shown in the figure to oily extraction equipment described in example IV, including bracket 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 bracket 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 two 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
Two sides;
First roller, the first winding roller, the second roller, the second winding roller include support base 17 and by the
The rotatable roller 19 being fixed on support base of two shaft 18, first winding roller the second shaft outside fix one first
Gear 20, second winding roller the second shaft outside fix a second gear 21, between first gear and second gear lead to
It crosses chain 22 to be connected, motor is equipped with driving gear 23, and driving gear is meshed with the 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, the quantity of main drive roller 1 fewer than the quantity of auxiliary driving roller, main drive roller and auxiliary driving roller are alternate by shaft
Rotatable to be immobilized in the 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 shape, 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 structure, is equipped with second between the first adjacent fixed strip or the first fixed strip and the first fixed plate
Fixed plate 16, the quantity of the cover board be it is multiple, 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 control
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 process, does not generate black floating body, sulfuric acid is stored in diaphragm pore, it is ensured that as much as possible
Particle is permeated from diaphragm hole by electrolyte, 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 diaphragm being prepared is as follows through detection performance index:
Base is thick: 0.78-0.82mm
Total thickness: 0.98-1.02mm
Porosity: > 75%
Aperture: 22nm
Resistance :≤0.01 Ω dm2
MEBO ribbon gauze :≤30s.
The present invention carries out single extraction to diaphragm by the first oil pumping mechanism, carries out two 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 passes through the first strength of fluid sensor of feed control mechanism, second liquid concentration sensor real-time monitoring
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 guarantee 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 be it is multiple, be respectively clamped into being fixed on shell for formula, can be more firmly mounted, be not easy
Fracture, can individually open lid according to demand and be observed.
Claims (5)
1. a kind of liquid flow energy storage battery diaphragm, it is characterized in that, including base, base be equipped with several ribs, rib is parallel to each other
Setting in base, the thickness h 1 of base is 0.7mm, and the height h2 of rib is 0.3mm, the distance between two neighboring rib
L1 is 7mm, is equipped with nanometer micropore in diaphragm;
The composition of the battery diaphragm is as follows according to the mass fraction:
68-85 parts of ultra-high molecular weight polyethylene,
55-62 parts of oil of filling,
12-20 parts of anhydride silica,
26-34 parts of carbon fiber,
12-18 parts of polypropylene,
5-16 parts of Masterbatch,
0.5-5 parts of antioxidant,
8-18 parts of lauryl sodium sulfate,
15-20 parts of calcium stearate;
The molecular weight of the ultra-high molecular weight polyethylene is greater than 2,000,000.
2. a kind of liquid flow energy storage battery diaphragm as described in claim 1, it is characterized in that, the oil factor of the anhydride silica
For 320-380(g/100g).
3. a kind of liquid flow energy storage battery diaphragm as described in claim 1, it is characterized in that, the filling it is oily by acetone, paraffin oil,
Naphthenic rubber oil, one of poly alpha olefine synthetic oil a variety of mix.
4. a kind of liquid flow energy storage battery diaphragm as described in claim 1, it is characterized in that, the antioxidant according to the mass fraction by
2,6-15-20 parts of DI-tert-butylphenol compounds, 3-5 parts of 1,3,5- trimethylbenzene, 5-8 parts of Diisobutylene, 1-3 parts of diphenylamines, inclined benzene
Three sour 0.1-2 parts of three monooctyl esters are mixed with.
5. a kind of liquid flow energy storage battery diaphragm as described in claim 1, it is characterized in that, battery diaphragm the preparation method is as follows:
(1) by ultra-high molecular weight polyethylene, filling oil, anhydride silica, carbon fiber, polypropylene, Masterbatch, antioxidant, ten
Sodium dialkyl sulfate, calcium stearate are added in blender and obtain mixture 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) 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) the rolling machine of diaphragm after drying is wound.
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CN107293768A (en) * | 2017-06-13 | 2017-10-24 | 江苏神力电源科技有限公司 | A kind of preparation method of new zinc-bromine bettery barrier film |
CN107275658A (en) * | 2017-06-13 | 2017-10-20 | 江苏神力电源科技有限公司 | A kind of new zinc-bromine bettery barrier film |
CN114069157B (en) * | 2021-11-24 | 2022-12-30 | 南京雷文斯顿企业管理咨询有限公司 | High-porosity battery diaphragm and preparation method thereof |
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CN201478366U (en) * | 2009-05-08 | 2010-05-19 | 保定风帆美新蓄电池隔板制造有限公司 | Thickening superhigh molecular weight polyethylene baffle plate |
CN102244219A (en) * | 2011-05-30 | 2011-11-16 | 保定风帆美新蓄电池隔板制造有限公司 | PE separator plate for lead acid battery and preparation method thereof |
CN102324484A (en) * | 2011-09-08 | 2012-01-18 | 扬中市阳光电源材料有限公司 | High-porosity gelled battery polyethylene separator and preparation method |
CN103710793A (en) * | 2013-12-30 | 2014-04-09 | 南京诚盟机械有限公司 | Special oil removing tank for extruding ultrahigh molecular weight polyethylene gel |
CN105428570A (en) * | 2014-08-20 | 2016-03-23 | 招远市海思微孔隔膜有限公司 | PVC battery separation plate production method and PVC battery separation plate |
CN206076390U (en) * | 2016-08-31 | 2017-04-05 | 江苏神力电源科技有限公司 | A kind of superelevation liquid flow energy storage battery barrier film |
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