CN106252561B - A kind of anti-short circuit AGM partition production method - Google Patents
A kind of anti-short circuit AGM partition production method Download PDFInfo
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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
- 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
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
- H01M10/121—Valve regulated lead acid batteries [VRLA]
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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
- 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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/429—Natural polymers
- H01M50/4295—Natural cotton, cellulose or wood
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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
- 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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/44—Fibrous material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a kind of anti-short circuit AGM partition production methods, comprising the following steps: (1) prepares modified bamboo fiber；(2) modified Nano vermiculite power is prepared；(3) ingredient；(4) it is beaten；(5) copy paper forms；(6) first drying；(7) roll-in；(8) secondary drying.Present invention process step is simple, strong operability, and obtained block board thickness uniformity is good, and porosity is high, gap is uniform, and excellent combination property can effectively avoid positive lead powder from causing short circuit to cathode through partition.
Description
Technical field
The present invention relates to AGM partition production technical fields, more particularly, to a kind of anti-short circuit AGM partition production method.
Background technique
Glass microfiber partition (AGM) is one of critical material of valve-regulated lead-acid battery, valve-regulated lead-acid battery
Main function with AGM partition is: (1) preventing positive/negative pole plate from contacting with each other and internal short-circuit of battery occurs；(2) make battery
Close fit reduces battery volume；(3) falling off for pole plate deformation, bending and active material is prevented；(4) porous between pole plate
Property partition in store necessary amount electrolyte, to guarantee the needs of higher electric conductivity and cell reaction；(5) it is some right to prevent
The harmful substance of battery is migrated and is spread by partition.Therefore, AGM partition has valve-regulated lead-acid battery third electrode
Title.
AGM partition is mainly manufactured paper with pulp with 0.5 ~ 3 μm of diameter of glass microfiber by wet papermaking technology at present, example
Such as, 102623659 A of application publication number CN, the Chinese patent of data of publication of application 2012.08.01 disclose the present invention and disclose
A kind of baffle plate of lead acid storage battery and preparation method thereof, the partition are also comprising 10 ~ 20% fusing points using glass fibre as principal component
100 ~ 200 DEG C of polyolefin resin fiber.Glass fibre is not easy to disperse when being beaten in the preparation method, Yi Xuju, is made
Partition uniformity it is poor；Slurries in carrying out molding paper-making process since negative pressure of vacuum cannot be stablized well, cause every
Plate thickness cannot control well, and obtained block board thickness homogeneity is poor；Polyolefin resin after being melted down, will cause partition board hole
Diameter is unevenly distributed, influences the consistency of clapboard aperture, and with the progress of battery charging and discharging, positive lead powder can gradually have marginally thoroughly
It crosses partition and causes short circuit to cathode.
Summary of the invention
The present invention is to provide one to solve the existing above problem more than the AGM partition preparation method of the prior art
Kind processing step is simple, the anti-short circuit AGM partition production method of strong operability, and obtained block board thickness uniformity is good, porosity
Height, gap are uniform, and excellent combination property can effectively avoid battery short circuit.
To achieve the goals above, the invention adopts the following technical scheme:
The anti-short circuit AGM partition production method of one kind of the invention, comprising the following steps:
(1) it prepares modified bamboo fiber: bamboo fibre being added in chlorosulfonic acid, 80 ~ 100 DEG C of 1 ~ 3h of swelling are heated to, cooling, mistake
Filter, filtrate is washed with water to pH and is in neutrality, and is dried in vacuo, is added in size after carrying out 30 ~ 60min of immersion in 95 ~ 105
Drying is at DEG C to get modified bamboo fiber, for use.Chlorosulfonic acid can be such that bamboo fibre boundling is sufficiently swollen, and keep its fully dispersed, be conducive to
Improve its dispersibility, while be conducive to size sufficiently, homogeneous immersion bamboo fibre, size may make drying after bamboo fibre table
Face can form layer protecting film, guarantee the reservation length of bamboo fibre as far as possible, and form more functional group on surface and be conducive to change
It is apt to its dispersibility, in addition, the bamboo fibre surface roughness of soaking mistake also becomes larger, the friction system between each fiber can be increased
Number, increases interface shear strength, improves the mechanical strength and toughness of partition.Modified bamboo fiber is easier to disperse.
(2) it prepares modified Nano vermiculite power: nanometer vermiculite powder being added in dilute sulfuric acid, 85 ~ 90 DEG C of 3 ~ 5h of heat preservation are heated to,
Filtering, is washed with deionized water to pH after being in neutrality, dry, is added in modification liquid after shearing dispersion after 800 ~ 900 DEG C of calcinings, in
5 ~ 7h is shaken at 30 ~ 40 DEG C, filtration drying is to get modified Nano vermiculite power, for use.By pickling, calcining to remove vermiculite power
In impurity, improve its adsorption effect, the dispersion performance of modified Nano vermiculite power is excellent, and the compatibility between each fiber
It is good.
(3) 3 ~ 5% modified Nano vermiculite powers, 3 ~ 5% polyethylene glycol oxides, 5 ~ 10% modified bamboo fiber, 10 ~ 15% water ingredient: are pressed
Soluble polyvinyl alcohol fiber, 5 ~ 10% polyimide fibers, 30 ~ 35% 0.5 ~ 0.7 μm of diameter high alkali glass fibres, surplus is diameter
The mass percent of 3 ~ 4 μm of high alkali glass fibres measures each raw material, for use.The formula of AGM partition is changed in the present invention
Into optimization, the fibers such as modified bamboo fiber, polyimide fiber are especially creatively added to, while being aided with modified Nano vermiculite
Powder, wherein modified bamboo fiber has excellent instant water absorption and water-retaining property, can greatly improve partition to the wettability of electrolyte
Can and to the holding capacity of electrolyte, so that the electrolyte in partition is kept uniformity, and keep it in their entire life
High imbibition rate, so as to inhibit partition in battery to power on the layering of solution liquid and the lamination of density of electrolyte, in addition, changing
Property bamboo fibre heat resistance and structural stability can are good, can effectively inhibit stretching of the partition on horizontal and vertical, avoid partition
Aperture, which becomes larger, causes short circuit, and bamboo fibre can effectively adsorb lead powder, avoid lead powder from entering in partition and contact with each other and electricity occurs
Pond internal short-circuit；But the addition of modified bamboo fiber will affect the compressibility, flexibility and Wet-resilient energy of partition, and modified bamboo
Poor compatibility between fiber and other fibers, bond strength is low, will affect the tensile resistance of partition, to solve above-mentioned ask
It inscribes, joined polyimide fiber, polyethylene glycol oxide and water-soluble polyvinyl alcohol fibers in the present invention, polyimide fiber adds
Enter the compressibility that can improve partition, Wet-resilient and tensile resistance, diaphragm structure is made to keep stablizing, aperture on partition is avoided to become
Greatly, the addition of water-soluble polyvinyl alcohol fibers can improve the flexibility and toughness of partition, keep its flexible, while water-soluble poly second
Enol fibers adhesion is good, has snap action, can make each fibres bond together, be conducive to further increase partition of the present invention
Mechanical strength, polyethylene glycol oxide viscosity is good, the interface bond strength between the fiber between fiber can be improved, and be avoided that every
Plate is excessively crisp and cracks when cutting out cutting；Modified Nano vermiculite power has excellent suction-operated, can also adsorb tiny
Lead powder avoids lead powder from entering diaphragm internal causing short circuit, and in addition modified Nano vermiculite power can be bonded in fiber surface, forms bonding
Point, the binding force improved between fiber have so that will not arbitrarily move between fiber when partition expanded by heating and aperture is made to become larger
Effect prevents lead powder from causing short circuit by partition, simultaneously because the filling effect of modified Nano vermiculite power, keeps the approximation in partition straight
Through-hole becomes bending micropore, to can control penetrating for lead dendritic crystal；Present invention also defines the thickness of glass fibre ratios, so that
Partition obtained has an aperture fine uniform, porosity size appropriateness, dry state and hygrometric state characteristics, the good combination property such as elasticity is good.
(4) it is beaten: calgon being added in water, controlling hexa metaphosphoric acid na concn in water is 0.3 ~ 0.5%, uses sulfuric acid
After adjusting pH is 1.5 ~ 2.5, it is fine that modified bamboo fiber, water-soluble polyvinyl alcohol fibers, polyimide fiber and high alkali glass is added
Dimension is beaten, and surplus stock is added after mashing and is uniformly mixed, and being diluted with water to material-water ratio is 2.5 ~ 3%, obtains slurry.When mashing,
It joined calgon in water, the ζ-potential of fiber surface, the repulsion between reinforcing fiber can be improved in calgon
Power reduces wadding and gathers, advantageously ensure that block board thickness uniformity so as to make fiber scatter.
(5) copy paper forms: slurry being flow on forming net and is manufactured paper with pulp, wet partition is obtained.
(6) first drying: it is 10 ~ 15% that wet partition, which is placed in baking oven, and is dried to water content.First drying is dried to water content
10 ~ 15%, can avoid roll-in when partition overdrying embrittlement and generate crack.
(7) roll-in: partition is carried out to roll-in in roll squeezer is consistent its thickness.Partition in the present invention is because of formula
It is improved, toughness, intensity are good, can carry out roll-in, the homogeneity of certifiable block board thickness after roll-in are carried out to partition, effectively
Slurries are solved in carrying out molding paper-making process since negative pressure of vacuum cannot be stablized well, block board thickness is caused to obtain not
To good control, the problem of obtained block board thickness homogeneity difference.
(8) secondary drying: the partition after roll-in is placed in again in baking oven and is dried to weight holding constant weight, through batching after cutting
Up to anti-short circuit AGM partition finished product.
Preferably, the size is made of the component of following mass percent in step (1): 40 ~ 50% polytetrafluoros
Ethylene dispersion emulsion, 0.1 ~ 0.2% quaternary ammonium salt, 0.3 ~ 0.5% polyoxyethylene stearic acid ester, 0.1 ~ 0.3% silane coupling agent KH-
550, surplus is water.Size is key point of the present invention, bamboo fibre surface can be made to form one layer of organic film, wherein polytetrafluoroethylene (PTFE)
Dispersion emulsion is main film forming agent, and film forming agent supplemented by polyoxyethylene stearic acid ester, quaternary ammonium salt is antistatic agent, silane coupling agent KH-
550 be dispersion, emulsifier, and nano-silicon nitride can be made evenly dispersed.
Preferably, 2 ~ 4mm of length of bamboo fibre, diameter is 0.03 ~ 0.05mm in step (1).
Preferably, the modification liquid consists of the following mass percentage components in step (2): 3 ~ 5% epoxy resin
Lotion, 0.3 ~ 0.5% polyaminoester emulsion, 0.3 ~ 0.5% silane resin acceptor kh-550, surplus are acetone.
Preferably, the polyimide fiber diameter is 0.3 ~ 0.5 μm in step (3), length is 3 ~ 5mm.
Preferably, the water-soluble polyvinyl alcohol fibers diameter is 1 ~ 3 μm in step (3), length is 3 ~ 5mm.
Preferably, the length of the high alkali glass fibre is 3 ~ 5mm in step (3).The length and partition of glass fibre
Porosity size it is related, but length is too long can generate flocculation, is not easy to disperse, and the caliper uniformity control of partition is more difficult, and glass
Glass fibre length is too short, is not easy to interweave, and causes diaphragm strength low, therefore by comprehensively considering, limits glass fibre in the present invention
Length is 3 ~ 5mm.
Preferably, drying temperature is 200 ~ 250 DEG C in step (6).
Preferably, drying temperature is 100 ~ 150 DEG C in step (8).
Therefore, the invention has the following beneficial effects:
(1) it joined calgon in water when being beaten, the ζ-potential of fiber surface can be improved in calgon, increases
Repulsive force between strong fiber reduces wadding and gathers, advantageously ensure that block board thickness uniformity so as to make fiber scatter；
(2) formula of AGM partition is improved and optimizated, is especially creatively added to modified bamboo fiber, polyamides
The multiple fibers such as imine fiber, while being aided with the components such as modified Nano vermiculite power, polyethylene glycol oxide, baffle porosity obtained
Height, gap are uniform, excellent combination property, and positive lead powder can effectively be avoided to cause short circuit to cathode through partition；
(3) to partition carry out roll-in after can guarantee block board thickness homogeneity, efficiently solve slurries carry out molding copy
Since negative pressure of vacuum cannot be stablized well during paper, cause block board thickness that cannot control well, obtain every
The problem of plate thickness homogeneity difference；
(4) preparation method processing step is simple, strong operability.
Specific embodiment
Below by specific embodiment, the present invention will be further described.
Embodiment 1
(1) it prepares modified bamboo fiber: the bamboo fibre of length 2mm, diameter 0.03mm being added in chlorosulfonic acid, are heated to 80 DEG C
It is swollen 1h, cooling, filtrate is washed with water to pH and is in neutrality by filtering, is dried in vacuo, adds in size and impregnated
Drying is at 95 DEG C to get modified bamboo fiber after 30min, and for use, size is made of the component of following mass percent: 40%
Polytetrafluoroethylene (PTFE) dispersion emulsion, 0.1% quaternary ammonium salt, 0.3% polyoxyethylene stearic acid ester, 0.1% silane resin acceptor kh-550, surplus
For water；
(2) it prepares modified Nano vermiculite power: nanometer vermiculite powder being added in dilute sulfuric acid, 85 DEG C of heat preservation 5h are heated to, filter,
It is washed with deionized water to pH after being in neutrality, it is dry, it is added after 800 DEG C of calcinings in modification liquid after shearing dispersion, is shaken at 40 DEG C
5h is swung, filtration drying is to get modified Nano vermiculite power, and for use, modification liquid consists of the following mass percentage components: 3% epoxy
Resin emulsion, 0.3% polyaminoester emulsion, 0.3% silane resin acceptor kh-550, surplus are acetone；
(3) 3% modified Nano vermiculite power, 3% polyethylene glycol oxide, 5% modified bamboo fiber, 10% 1 μm of diameter, length ingredient: are pressed
The water-soluble polyvinyl alcohol fibers of 3mm, 5% polyimide fiber, the high alkali glass fibre of 30% 0.5 μm of diameter, length 3mm are remaining
Amount is 3 μm of diameter, the mass percent of the high alkali glass fibre of length 3mm measures each raw material, for use；
(4) it is beaten: calgon being added in water, controlling hexa metaphosphoric acid na concn in water is 0.3%, is adjusted with sulfuric acid
After pH is 1.5, modified bamboo fiber, water-soluble polyvinyl alcohol fibers, polyimide fiber and high alkali glass fibre is added and is beaten
Slurry is added surplus stock and is uniformly mixed after mashing, being diluted with water to material-water ratio is 2.5%, obtains slurry；
(5) copy paper forms: slurry being flow on forming net and is manufactured paper with pulp, wet partition is obtained；
(6) first drying: wet partition is placed in baking oven and is dried to water content with 200 DEG C of temperature as 10%；
(7) roll-in: partition is carried out to roll-in in roll squeezer is consistent its thickness；
(8) secondary drying: the partition after roll-in is placed in again in baking oven and is dried to weight holding constant weight with 100 DEG C of temperature,
It is batched after cutting up to anti-short circuit AGM partition finished product.
Embodiment 2
(1) it prepares modified bamboo fiber: the bamboo fibre of length 4mm, diameter 0.05mm being added in chlorosulfonic acid, are heated to 90 DEG C
It is swollen 2h, cooling, filtrate is washed with water to pH and is in neutrality by filtering, is dried in vacuo, adds in size and impregnated
Drying is at 100 DEG C to get modified bamboo fiber after 40min, and for use, size is made of the component of following mass percent: 45%
Polytetrafluoroethylene (PTFE) dispersion emulsion, 0.15% quaternary ammonium salt, 0.4% polyoxyethylene stearic acid ester, 0.2% silane resin acceptor kh-550, surplus
For water；
(2) it prepares modified Nano vermiculite power: nanometer vermiculite powder being added in dilute sulfuric acid, 88 DEG C of heat preservation 4h are heated to, filter,
It is washed with deionized water to pH after being in neutrality, it is dry, it is added after 850 DEG C of calcinings in modification liquid after shearing dispersion, is shaken at 35 DEG C
6h is swung, filtration drying is to get modified Nano vermiculite power, and for use, modification liquid consists of the following mass percentage components: 4% epoxy
Resin emulsion, 0.4% polyaminoester emulsion, 0.4% silane resin acceptor kh-550, surplus are acetone；
(3) 4% modified Nano vermiculite power, 4% polyethylene glycol oxide, 7% modified bamboo fiber, 12% 2 μm of diameter, length ingredient: are pressed
The water-soluble polyvinyl alcohol fibers of 4mm, 7% polyimide fiber, the high alkali glass fibre of 32% 0.6 μm of diameter, length 4mm are remaining
Amount is 3.5 μm of diameter, the mass percent of the high alkali glass fibre of length 4mm measures each raw material, for use；
(4) it is beaten: calgon being added in water, controlling hexa metaphosphoric acid na concn in water is 0.4%, is adjusted with sulfuric acid
After pH is 2, modified bamboo fiber, water-soluble polyvinyl alcohol fibers, polyimide fiber and high alkali glass fibre is added and is beaten,
Surplus stock is added after mashing to be uniformly mixed, being diluted with water to material-water ratio is 2.7%, obtains slurry；
(5) copy paper forms: slurry being flow on forming net and is manufactured paper with pulp, wet partition is obtained；
(6) first drying: wet partition is placed in baking oven and is dried to water content with 220 DEG C of temperature as 12%；
(7) roll-in: partition is carried out to roll-in in roll squeezer is consistent its thickness；
(8) secondary drying: the partition after roll-in is placed in again in baking oven and is dried to weight holding constant weight with 120 DEG C of temperature,
It is batched after cutting up to anti-short circuit AGM partition finished product.
Embodiment 3
(1) it prepares modified bamboo fiber: the bamboo fibre of length 4mm, diameter 0.05mm being added in chlorosulfonic acid, are heated to 100
DEG C swelling 1h, cooling, filtrate is washed with water to pH and is in neutrality by filtering, is dried in vacuo, adds in size and impregnated
Drying is at 105 DEG C to get modified bamboo fiber after 60min, and for use, size is made of the component of following mass percent: 50%
Polytetrafluoroethylene (PTFE) dispersion emulsion, 0.2% quaternary ammonium salt, 0.5% polyoxyethylene stearic acid ester, 0.3% silane resin acceptor kh-550, surplus
For water；
(2) it prepares modified Nano vermiculite power: nanometer vermiculite powder being added in dilute sulfuric acid, 90 DEG C of heat preservation 5h are heated to, filter,
It is washed with deionized water to pH after being in neutrality, it is dry, it is added after 900 DEG C of calcinings in modification liquid after shearing dispersion, is shaken at 40 DEG C
5h is swung, filtration drying is to get modified Nano vermiculite power, and for use, modification liquid consists of the following mass percentage components: 5% epoxy
Resin emulsion, 0.5% polyaminoester emulsion, 0.5% silane resin acceptor kh-550, surplus are acetone；
(3) 5% modified Nano vermiculite power, 5% polyethylene glycol oxide, 10% modified bamboo fiber, 15% 3 μm of diameter, length ingredient: are pressed
The water-soluble polyvinyl alcohol fibers of 5mm, 10% polyimide fiber, the high alkali glass fibre of 35% 0.7 μm of diameter, length 5mm are remaining
Amount is 4 μm of diameter, the mass percent of the high alkali glass fibre of length 5mm measures each raw material, for use；
(4) it is beaten: calgon being added in water, controlling hexa metaphosphoric acid na concn in water is 0.5%, is adjusted with sulfuric acid
After pH is 2.5, modified bamboo fiber, water-soluble polyvinyl alcohol fibers, polyimide fiber and high alkali glass fibre is added and is beaten
Slurry is added surplus stock and is uniformly mixed after mashing, being diluted with water to material-water ratio is 3%, obtains slurry；
(5) copy paper forms: slurry being flow on forming net and is manufactured paper with pulp, wet partition is obtained；
(6) first drying: wet partition is placed in baking oven and is dried to water content with 250 DEG C of temperature as 15%；
(7) roll-in: partition is carried out to roll-in in roll squeezer is consistent its thickness；
(8) secondary drying: the partition after roll-in is placed in again in baking oven and is dried to weight holding constant weight with 150 DEG C of temperature,
It is batched after cutting up to anti-short circuit AGM partition finished product.
It is as follows that anti-short circuit AGM partition main performance is made through the invention:
1. 50KP Wet-resilient: >=92%；
2. tensile strength: when thickness (100kPa)≤1.00mm, tensile strength >=1.2kN/m；
When thickness (100kPa) > 1.00mm, tensile strength >=1.4kN/m；
3. capillary inhales acid height: 5min inhales acid height >=90mm, inhales acid height >=710 mm for 24 hours；
4. maximum diameter of hole :≤13 μm；
5. porosity: >=92%；
6. iron content≤0.003%；Chlorinity≤0.002%.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form
Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (7)
1. a kind of anti-short circuit AGM partition production method, which comprises the following steps:
(1) it prepares modified bamboo fiber: bamboo fibre being added in chlorosulfonic acid, 80 ~ 100 DEG C of 1 ~ 3h of swelling are heated to, cooling, filtering,
Filtrate is washed with water to pH and is in neutrality, is dried in vacuo, adds in size after carrying out 30 ~ 60min of immersion in 95 ~ 105 DEG C
Lower drying is to get modified bamboo fiber, for use；Size is made of the component of following mass percent: 40 ~ 50% polytetrafluoroethylene (PTFE)
Dispersion emulsion, 0.1 ~ 0.2% quaternary ammonium salt, 0.3 ~ 0.5% polyoxyethylene stearic acid ester, 0.1 ~ 0.3% silane resin acceptor kh-550 are remaining
Amount is water；
(2) it prepares modified Nano vermiculite power: nanometer vermiculite powder being added in dilute sulfuric acid, 85 ~ 90 DEG C of 3 ~ 5h of heat preservation, mistake are heated to
Filter, is washed with deionized water to pH after being in neutrality, dry, is added after 800 ~ 900 DEG C of calcinings in modification liquid after shearing dispersion, in 30
5 ~ 7h is shaken at ~ 40 DEG C, filtration drying is to get modified Nano vermiculite power, for use；The modification liquid is by following mass percent
Group is grouped as: 3 ~ 5% epoxy resin latexes, 0.3 ~ 0.5% polyaminoester emulsion, 0.3 ~ 0.5% silane resin acceptor kh-550, and surplus is
Acetone；
(3) ingredient: 3 ~ 5% modified Nano vermiculite powers are pressed, 3 ~ 5% polyethylene glycol oxides, 5 ~ 10% modified bamboo fiber, 10 ~ 15% is water-soluble
Vinal, 5 ~ 10% polyimide fibers, 30 ~ 35% 0.5 ~ 0.7 μm of diameter high alkali glass fibres, surplus are 3 ~ 4 μ of diameter
The mass percent of m high alkali glass fibre measures each raw material, for use；
(4) it is beaten: calgon being added in water, controlling hexa metaphosphoric acid na concn in water is 0.3 ~ 0.5%, is adjusted with sulfuric acid
After pH is 1.5 ~ 2.5, be added modified bamboo fiber, water-soluble polyvinyl alcohol fibers, polyimide fiber and high alkali glass fibre into
Row mashing is added surplus stock and is uniformly mixed after mashing, being diluted with water to material-water ratio is 2.5 ~ 3%, obtains slurry；
(5) copy paper forms: slurry being flow on forming net and is manufactured paper with pulp, wet partition is obtained；
(6) first drying: it is 10 ~ 15% that wet partition, which is placed in baking oven, and is dried to water content；
(7) roll-in: partition is carried out to roll-in in roll squeezer is consistent its thickness；
(8) secondary drying: the partition after roll-in is placed in again in baking oven and is dried to weight holding constant weight, through batching after cutting to obtain the final product
Anti- short circuit AGM partition finished product.
2. the anti-short circuit AGM partition production method of one kind according to claim 1, which is characterized in that in step (1), bamboo is fine
2 ~ 4mm of length is tieed up, diameter is 0.03 ~ 0.05mm.
3. the anti-short circuit AGM partition production method of one kind according to claim 1, which is characterized in that described in step (3)
Polyimide fiber diameter is 0.3 ~ 0.5 μm, and length is 3 ~ 5mm.
4. the anti-short circuit AGM partition production method of one kind according to claim 1, which is characterized in that described in step (3)
Water-soluble polyvinyl alcohol fibers diameter is 1 ~ 3 μm, and length is 3 ~ 5mm.
5. the anti-short circuit AGM partition production method of one kind according to claim 1, which is characterized in that described in step (3)
The length of high alkali glass fibre is 3 ~ 5mm.
6. the anti-short circuit AGM partition production method of one kind according to claim 1, which is characterized in that in step (6), drying
Temperature is 200 ~ 250 DEG C.
7. the anti-short circuit AGM partition production method of one kind according to claim 1, which is characterized in that in step (8), drying
Temperature is 100 ~ 150 DEG C.
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| CN106252561B true CN106252561B (en) | 2019-01-11 |
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| KR102031605B1 (en) | 2017-01-11 | 2019-10-14 | 주식회사 엘지화학 | Device Comprising Member for Preventing Short-Circuit for Measuring Electrode Potential by Using Three Electrode System |
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| US20030008214A1 (en) * | 1997-09-02 | 2003-01-09 | Zguris George C. | Mat of glass and other fibers and method for producing it |
| JP2006310274A (en) * | 2005-03-31 | 2006-11-09 | Nippon Sheet Glass Co Ltd | Separator for liquid type lead acid battery and liquid type lead acid battery |
| CN102148345A (en) * | 2010-02-05 | 2011-08-10 | 华南师范大学 | Battery separator with internal environment purifying function |
| CN102623659B (en) * | 2012-03-16 | 2014-11-05 | 浙江畅通科技有限公司 | Lead-acid storage battery partition plate and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030008214A1 (en) * | 1997-09-02 | 2003-01-09 | Zguris George C. | Mat of glass and other fibers and method for producing it |
| JP2006310274A (en) * | 2005-03-31 | 2006-11-09 | Nippon Sheet Glass Co Ltd | Separator for liquid type lead acid battery and liquid type lead acid battery |
| CN102148345A (en) * | 2010-02-05 | 2011-08-10 | 华南师范大学 | Battery separator with internal environment purifying function |
| CN102623659B (en) * | 2012-03-16 | 2014-11-05 | 浙江畅通科技有限公司 | Lead-acid storage battery partition plate and preparation method thereof |
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| CN106252561A (en) | 2016-12-21 |
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Denomination of invention: A production method of anti short circuit AGM diaphragm Effective date of registration: 20210929 Granted publication date: 20190111 Pledgee: Agricultural Bank of China Limited by Share Ltd. Changxing County branch Pledgor: ZHEJIANG CHANGTONG TECHNOLOGY Co.,Ltd. Registration number: Y2021980010241 |