CN109841786A - Chemical fibre composite diaphragm and its production method - Google Patents
Chemical fibre composite diaphragm and its production method Download PDFInfo
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- CN109841786A CN109841786A CN201910259519.4A CN201910259519A CN109841786A CN 109841786 A CN109841786 A CN 109841786A CN 201910259519 A CN201910259519 A CN 201910259519A CN 109841786 A CN109841786 A CN 109841786A
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- 239000000835 fiber Substances 0.000 title claims abstract description 75
- 239000000126 substance Substances 0.000 title claims abstract description 71
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000002002 slurry Substances 0.000 claims abstract description 42
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 239000011152 fibreglass Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000002253 acid Substances 0.000 claims abstract description 13
- 230000018044 dehydration Effects 0.000 claims abstract description 9
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000000643 oven drying Methods 0.000 claims abstract description 3
- 239000003365 glass fiber Substances 0.000 claims description 7
- 238000010790 dilution Methods 0.000 claims description 6
- 239000012895 dilution Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- 238000005192 partition Methods 0.000 abstract description 41
- 238000004806 packaging method and process Methods 0.000 abstract description 5
- -1 polyethylene terephthalate Polymers 0.000 abstract description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 3
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 3
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 9
- 239000000654 additive Substances 0.000 description 8
- 230000000996 additive effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a kind of chemical fibre composite diaphragm and its production methods, including following four step: (1) raw material selects: using PET polyethylene terephthalate chemical fibre and ultra-fine fibre glass for raw material；(2) prepared by slurry: after adding water to mix in proportion PET chemical fibre and ultra-fine fibre glass in step (1), acid adding adjusts pH, spare after discongesting；(3) remove the gred: after slurry is diluted with water in step (2), after hydrocyclone removes glass dregs, it is spare that feeding destroies forebay；(4) it manufactures paper with pulp: after slurry further dilutes in step (3), being sent into after stuff box, inclined-wire form machine drainage and formation, vacuum tank dehydration after oven drying evaporation water through reel machine, rewinding machine, cutting packaging finished product.Chemical fibre composite diaphragm tensile strength of the invention is good, inhales acid height height, partition mechanical strength is good, and resilience is high, and assembly battery capacity is big, and battery is long.
Description
Technical field
The present invention relates to battery industry partition more particularly to a kind of chemical fibre composite diaphragm and its production methods.
Background technique
Conventional AGM absorption type superfine glass fibre partition board (Absorptive Glass Met) is usually ultra-fine by 100%
Glass fibre is manufactured paper with pulp, for preventing the short circuit between battery plus-negative plate in valve-regulated lead-acid battery (VRLA)；But it is conventional
That there are mechanical strengths is poor for AGM partition, resilience is poor, and lean solution state, electrolyte occurs in use in the battery being assembled into
The disadvantages of easily dry, causes capacity reduction, the reduced service life of VRLA battery；The study found that being mixed in conventional AGM partition
Enter 5%~30% chemical fibre (polypropylene fibre, polyethylene fibre), since chemical fibre has certain hydrophobicity performance, every
Plate is capable of providing a certain number of oxygen channels during lead acid battery charge, thus changes conventional AGM partition group
In the partition technology of lean solution state when packed battery, allow battery that the electrolyte of super design flow, and this to be added in assembly
A little excessive electrolyte will not block the oxygen channel as provided by chemical fibre, keep the migration of oxygen more smoothly, improve
Oxygen recombination rate reduces amount of precipitation of the oxygen to outside batteries, to increase the cycle life of battery.
Summary of the invention
Goal of the invention: that it is an object of the present invention to provide a kind of mechanical strengths is good, resilience is high, battery capacity is big, battery uses
The chemical fibre composite diaphragm and its production method of service life length, it is big to meet lead-acid accumulator electrolyte additional amount in assembly,
And oxygen channel will not be blocked, increase the cycle service life of battery.
Technical solution: chemical fibre composite diaphragm of the invention is super using PET chemical fibre and 0.5~3.0 micron of diameter
Thin glass fiber is raw material, 0.55~1.12kN/m of chemical fibre composite diaphragm tensile strength；With a thickness of 0.8mm~2.95mm,
Inhale acid 53~101mm/5min of height, 16.9~18.0 μm of maximum diameter of hole.
The production method of chemical fibre composite diaphragm of the present invention, including following four step:
(1) raw material selects: using PET chemical fibre and ultra-fine fibre glass for raw material；
(2) prepared by slurry: by PET chemical fibre and ultra-fine fibre glass raw material in step (1), adding water to mix, acid adding tune
By discongesting processing after section pH value, slurry is spare into kiln basin is unloaded after processing；
(3) it removes the gred: after the slurry after discongesting in step (2) is diluted with water, after hydrocyclone removes glass dregs, sending
Enter to destroy forebay spare；
(4) it manufactures paper with pulp: slurry in forebay will be copied in step (3), further dilute, through stuff box steady pressure and flow
Afterwards, it into oven drying is sent into after inclined-wire form machine online drainage and formation, vacuum tank dehydration, then batches through reel machine and rewinding machine
Rewinding, finished product after cutting.
PET chemical fibre in step (1) selects bilayer component, and at 160 DEG C~170 DEG C, inner layer fusing point exists surface layer fusing point
250 DEG C~260 DEG C；It is 0.5~3.0 micron of ultra-fine fibre glass that ultra-fine fibre glass, which selects diameter,.
In step (2), PET chemical fibre ratio is 8%~10%, and ultra-fine fibre glass ratio is 90%~92%；Add
It is 2.5~3.5 that the concentrated sulfuric acid, which adjusts pH value,.
In step (3), slurry concentration after dilution is 0.4%~0.5%.
In step (4), pulp dilution concentration is 0.2%~0.3%, and oven temperature is 220 DEG C~230 DEG C.
Working principle: by the way that the study found that PET chemical fibre density is larger, by sample in water, fiber does not float on
Surface, but be dispersed in water, there is certain hydrophilic interaction；Its fusing point is 254 DEG C；The write by hand of this kind of chemical fibre will be mixed
Piece is put into temperature and is set as being dried in 200 DEG C of baking oven, and by baking in 4 hours, chemical fibre was not carbonized, and
Handsheet surface forms good intertexture bonding, and surface bonding strength is preferable.Productive experiment selected 10kPa with a thickness of 0.8mm,
Three specifications of 2.31mm and 2.95mm are tested, and the incorporation of PET chemical fibre is 8%~10%, and temperature is controlled 220
DEG C~230 DEG C.As the result is shown: PET chemical fibre composite diaphragm is added compared with common 100% superfine glass fibre partition board: anti-
Zhang Qiangdu, ductility, puncture resistance and hygrometric state pressure maintaining ability are significantly improved.From scanning electron microscope (SEM) photograph as can be seen that addition
Chemical fibre composite diaphragm is compared with common partition, surface more fine fleece, and more closely, while it also seen that chemical fibre is straight for structure
Diameter is thicker, and at 20 microns, fiber sheath has melted, and the glass fibre of surrounding is sticked, and this skeleton construction greatly promotes
The tensile strength of partition, binding force improve.The main reason is that this kind of chemical fibre is bilayer component, superficial layer fusing point compared with
It is low, it has dissolved in the process of making, and many tiny fibers are attached on surface, has really formd the support rib of partition
Frame.
In addition, considering from technology controlling and process and operation: online slurry concentration wants low, and wet end dehydration is slow, and vacuum degree is low, makes
Uniformly, paper formation is good for page dehydration；Temperature control in drying cylinder portion is appropriate, avoids high temperature force drying and influences the property of partition
Energy.
The utility model has the advantages that compared with partition in the prior art, chemical fibre composite diaphragm of the invention, using a small amount of PET
Chemical fibre and ultra-fine fibre glass are raw material, and tensile strength is good, inhale acid height height, partition mechanical strength is good, resilience is high, dress
It is big with battery capacity, battery is long.
Detailed description of the invention
Fig. 1 is chemical fibre composite diaphragm process flow chart.
Specific embodiment
As shown in Figure 1, the production method of chemical fibre composite diaphragm of the present invention includes following 4 steps:
Step (1), raw material selects: selecting 0.5~3.0 micron of ultra-fine fibre glass of PET chemical fibre and diameter is raw material.
Step (2), slurry preparation: step (1) PET chemical fibre and ultra-fine fibre glass are sent into hydrabrusher,
It is diluted with water to concentration 1.5%~2.0%, enriching sulfuric acid adjusts pH value 2.5~3.5, time 10min~15min is discongested, temperature
Degree is 25 DEG C, discongests rear slurry feeding and unloads kiln basin, is sent into mud pit after stirring, stores after being diluted with water to 0.4%~0.5%
It is spare.
Slagging-off: step (2) slurry is sent into low dense scummer and removes heavy glass dregs in slurry, be made by step (3)
Slurry feeding copy in forebay, stored after being diluted with water to 0.2%~0.3% after being stirred spare.
Step (4), manufactures paper with pulp: step (3) being copied the slurry that forebay is come, is pumped to flow and pressure that stuff box stablizes slurry
Afterwards, into slope screen former drainage and formation, mass dryness fraction reaches 28%~30% and is further dried into baking oven after vacuum tank dehydration, dries
220 DEG C~230 DEG C of box temperature degree, the mass dryness fraction 99%~99.5% of paper enters after cutting packaging through reel machine and rewinding machine after baking oven out
Library is for sale.
According to above method, PET chemical fibre adding proportion is 8%~10%, the ratio 90%~92% of superfine fibre,
Manufacture experimently 10kPa thickness be respectively tri- specification products of 0.8mm, 2.31mm, 2.95mm, respectively with the common partition of same size size
Performance comparison, physical and chemical performance index such as table 1, shown in table 2 and table 3.
One: PET chemical fibre adding proportion of embodiment is 8%, manufactures experimently 10kPa with a thickness of 0.8mm, 2.31mm and 2.95 3
The product of kind specification, the method is as follows:
Step (1), raw material selects: selecting 8%PET chemical fibre and 92% ultra-fine fibre glass, (diameter is 0.5~3.0
Micron) it is raw material.
Step (2), slurry preparation: step (1) PET chemical fibre and ultra-fine fibre glass are sent into hydrabrusher,
It is diluted with water to concentration 1.5%, enriching sulfuric acid adjusts pH value 2.5, discongests time 10min, temperature is room temperature, discongests rear slurry and send
Enter and unload kiln basin, be sent into mud pit after stirring, is stored after being diluted with water to 0.4% spare.
Slagging-off: step (2) slurry is sent into low dense scummer and removes heavy glass dregs in slurry, be made by step (3)
Slurry feeding copy in forebay, stored after being diluted with water to 0.2% after being stirred spare.
Step (4), manufactures paper with pulp: step (3) being copied the slurry that forebay is come, is pumped to flow and pressure that stuff box stablizes slurry
Afterwards, into slope screen former drainage and formation, mass dryness fraction reaches 28% and is further dried into baking oven after vacuum tank dehydration, oven temperature
220 DEG C DEG C, the mass dryness fraction 99.5% of paper is put in storage for sale through reel machine and rewinding machine after cutting packaging after baking oven out.
With use 100% diameter for 0.5~3.0 micron of ultra-fine fibre glass to be the normal of same size that raw material is made
The performance comparison of partition is advised, physical and chemical performance index is shown in Table 1, shown in table 2 and table 3.
1 0.8mm of table (present invention) partition and 0.8mm conventional separator performance indicator contrast table
2 2.31mm of table (present invention) partition and 2.31mm conventional separator performance indicator contrast table
3 2.95mm of table (present invention) partition and 2.95mm conventional separator performance indicator contrast table
Two: PET chemical fibre adding proportion of embodiment is 9%, manufactures experimently 10kPa with a thickness of 0.8mm, 2.31mm and 2.95 3
The product of kind specification, the method is as follows:
Step (1) raw material selects: selecting 9%PET chemical fibre and 91% ultra-fine fibre glass, (diameter is micro- for 0.5~3.0
Rice) it is raw material.
The preparation of step (2) slurry: step (1) PET chemical fibre and ultra-fine fibre glass are sent into hydrabrusher, added
Water is diluted to concentration 1.8%, and enriching sulfuric acid adjusts pH value 3.0, discongests time 12min, and temperature is 25 DEG C, discongests rear slurry and is sent into
Kiln basin is unloaded, is sent into mud pit after stirring, is stored after being diluted with water to 0.45% spare.
Step (3) slagging-off: step (2) slurry is sent into low dense scummer and removes heavy glass dregs in slurry, is made
Slurry feeding copy in forebay, stored after being diluted with water to 0.25% after being stirred spare.
Step (4) is manufactured paper with pulp: step (3) is copied into the slurry that forebay is come, after being pumped to flow and the pressure that stuff box stablizes slurry,
Into slope screen former drainage and formation, mass dryness fraction reaches 29% and is further dried into baking oven after vacuum tank dehydration, oven temperature 225
DEG C DEG C, the mass dryness fraction 99.5% of paper is put in storage for sale through reel machine and rewinding machine after cutting packaging after baking oven out.
With same size partition performance comparison, physical and chemical performance index is shown in Table 4, shown in table 5 and table 6.
4 0.8mm of table (present invention) partition and 0.8mm conventional separator performance indicator contrast table
5 2.31mm of table (present invention) partition and 2.31mm conventional separator performance indicator contrast table
6 2.95mm of table (present invention) partition and 2.95mm conventional separator performance indicator contrast table
Three: PET chemical fibre adding proportion of embodiment is 10%, manufactures experimently 10kPa with a thickness of 0.8mm, 2.31mm and 2.95
The product of three kinds of specifications, the method is as follows:
Step (1), raw material selects: selecting 10%PET chemical fibre and 90% ultra-fine fibre glass, (diameter is 0.5~3.0
Micron) it is raw material.
Step (2), slurry preparation: step (1) PET chemical fibre and ultra-fine fibre glass are sent into hydrabrusher,
It is diluted with water to concentration 2.0%, enriching sulfuric acid adjusts pH value 3.0, discongests time 15min, and temperature is 25 DEG C, discongests rear slurry and send
Enter and unload kiln basin, be sent into mud pit after stirring, is stored after being diluted with water to 0.5% spare.
Slagging-off: step (2) slurry is sent into low dense scummer and removes glass dregs in slurry, slurry obtained is sent by step (3)
Enter to copy in forebay, be stored after being diluted with water to 0.3% after being stirred spare.
Step (4), manufactures paper with pulp: step (3) being copied the slurry that forebay is come, is pumped to flow and pressure that stuff box stablizes slurry
Afterwards, into slope screen former drainage and formation, mass dryness fraction reaches 30% and is further dried into baking oven after vacuum tank dehydration, oven temperature
230 DEG C DEG C, the mass dryness fraction 99.5% of paper is put in storage for sale through reel machine and rewinding machine after cutting packaging after baking oven out.
With same size partition performance comparison, physical and chemical performance index is shown in Table 7, shown in table 8 and table 9.
7 0.8mm of table (present invention) partition and 0.8mm conventional separator performance indicator contrast table
8 2.31mm of table (present invention) partition and 2.31mm conventional separator performance indicator contrast table
9 2.95mm of table (present invention) partition and 2.95mm conventional separator performance indicator contrast table
By 1~table of table 9 it is found that when PET chemical fibre additive amount is 8%~10%, PET chemical fibre composite diaphragm anti-tensile
Intensity is all larger than conventional separator, and increases with block board thickness；Conventional separator, table will be lower than by adding PET chemical fibre partition density
Bright addition PET chemical fibre diaphragm structure is even closer, because PET chemical fibre diameter is coarse, at 20 microns, and PET chemistry
Fiber is bi-component, and superficial layer fusing point is low, and fiber sheath has melted in the drying course of paper, and by surrounding glass fibre
It sticks, this skeleton construction, greatly improves the tensile strength of partition, and this bonded binding force is difficult to be destroyed
Fall.
10~table of table 12 is PET chemical fibre additive amount 7%, when ultra-fine fibre glass additive amount is 93%, obtained three
The chemically composited hard board partition table of performance indicators of kind, experimental method are identical with more than.
10 0.8mm of table (present invention) partition and 0.8mm conventional separator performance indicator contrast table
11 2.31mm of table (present invention) partition and 2.31mm conventional separator performance indicator contrast table
12 2.95mm of table (present invention) partition and 2.95mm conventional separator performance indicator contrast table
When 13~table of table 15 is PET chemical fibre additive amount 10.5%, three kinds of chemically composited hard board partition performances obtained
Index table, experimental method are identical with more than.
13 0.8mm of table (present invention) partition and 0.8mm conventional separator performance indicator contrast table
14 2.31mm of table (present invention) partition and 2.31mm conventional separator performance indicator contrast table
15 2.95mm of table (present invention) partition and 2.95mm conventional separator performance indicator contrast table
By 10~table of table 12 it is found that when PET chemical fibre additive amount be 7%, i.e., less than 8% when, partition performance obtained
Index and conventional separator variation are little；When PET chemical fibre additive amount is 10.5%, that is, is greater than 10%, partition obtained
Energy index tensile strength is slightly good compared with conventional separator, but inhales acid height and be decreased obviously, and shows that PET chemical fibre additive amount increases to one
When definite value, low-melting component will affect partition permeability after melting, and obstruct the suction acid ability of partition, and PET chemistry is fine
Tie up it is at high price, additive amount increase also will increase production cost.
Can be seen that this project invention embodiment from above every experimental data and Testing index is feasible, this hair
Bright chemical fibre composite diaphragm obtained, fully meets that high temperature resistant, tensile strength be high, quality requirement of high capacity cell, and
Battery assembly rear bulkhead is not easy jackknifing, and battery is long.
Claims (7)
1. a kind of chemical fibre composite diaphragm, it is characterised in that: use 0.5~3.0 micron of ultra-fine glass of PET chemical fibre and diameter
Glass fiber is raw material, 0.55~1.12kN/m of the chemical fibre composite diaphragm product tensile strength；With a thickness of 0.8mm~
2.95mm inhales acid 53~101mm/5min of height, 16.9~18.0 μm of maximum diameter of hole.
2. a kind of production method using chemical fibre composite diaphragm as described in claim 1, it is characterised in that: including following
Four steps:
(1) raw material selects: using PET chemical fibre and ultra-fine fibre glass for raw material；
(2) prepared by slurry: by PET chemical fibre and ultra-fine fibre glass in step (1), adding water to mix, after adding acid for adjusting pH value
By discongesting processing, slurry is spare into kiln basin is unloaded after processing；
(3) it removes the gred: will remove the gred after pulp dilution in step (2), it is spare that feeding destroies forebay；
(4) it manufactures paper with pulp: step (3) is copied into slurry in forebay, after dilution, through stuff box, slope screen former online drainage and formation, vacuum
Case dehydration, oven drying, reel machine batch, rewinding machine rewinding, finished product after cutting.
3. the production method of chemical fibre composite diaphragm according to claim 2, it is characterised in that: the PET in step (1)
Chemical fibre selects bilayer component, and surface layer fusing point is at 160 DEG C~170 DEG C, and inner layer fusing point is at 250 DEG C~260 DEG C；Superfine glass is fine
It is 0.5~3.0 micron of ultra-fine fibre glass that dimension, which selects diameter,.
4. the production method of chemical fibre composite diaphragm according to claim 2, it is characterised in that: in step (2), PET
Chemical fibre ratio is 8%~10%, and ultra-fine fibre glass ratio is 90%~92%；Enriching sulphur acid for adjusting pH value be 2.5~
3.5。
5. the production method of chemical fibre composite diaphragm according to claim 2, it is characterised in that: in step (3), slurry
Concentration is 0.4%~0.5% after dilution.
6. the production method of chemical fibre composite diaphragm according to claim 5, it is characterised in that: described in step (3)
After pulp dilution, remove the gred through hydrocyclone.
7. the production method of chemical fibre composite diaphragm according to claim 2, it is characterised in that: in step (4), slurry
Diluted concentration is 0.2%~0.3%, and oven temperature is 220 DEG C~230 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808350A (en) * | 2019-11-13 | 2020-02-18 | 中材科技膜材料（山东）有限公司 | Automatic acid adding process device for AGM (absorptive glass mat) diaphragm |
| CN113964449A (en) * | 2021-09-02 | 2022-01-21 | 浙江南都电源动力股份有限公司 | Glass fiber partition board for improving power performance of lead-acid storage battery and forming method |
| CN117698182A (en) * | 2024-02-05 | 2024-03-15 | 张家港市天磊玻纤有限公司 | Control system for AGM partition plate machining process |
| CN117698182B (en) * | 2024-02-05 | 2024-04-26 | 张家港市天磊玻纤有限公司 | Control system for AGM partition plate machining process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697370A (en) * | 2009-10-22 | 2010-04-21 | 山东义和诚实业集团有限公司 | Novel lead-acid storage battery clapboard and preparation method thereof |
| CN106981609A (en) * | 2017-03-27 | 2017-07-25 | 天能电池集团有限公司 | A kind of lead accumulator dividing plate and lead accumulator |
| CN107958978A (en) * | 2017-11-18 | 2018-04-24 | 宁波鹏辉微孔科技有限公司 | Composite fibre battery separator and preparation method thereof |
| CN107994191A (en) * | 2017-11-15 | 2018-05-04 | 江苏华富储能新技术股份有限公司 | A kind of AGM partition plates for lead accumulator containing phase-changing energy storage material |
| CN109004155A (en) * | 2018-07-26 | 2018-12-14 | 江西省通瑞新能源科技发展有限公司 | A kind of preparation method of aramid fiber composite diaphragm for lithium battery |
-
2019
- 2019-04-02 CN CN201910259519.4A patent/CN109841786A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697370A (en) * | 2009-10-22 | 2010-04-21 | 山东义和诚实业集团有限公司 | Novel lead-acid storage battery clapboard and preparation method thereof |
| CN106981609A (en) * | 2017-03-27 | 2017-07-25 | 天能电池集团有限公司 | A kind of lead accumulator dividing plate and lead accumulator |
| CN107994191A (en) * | 2017-11-15 | 2018-05-04 | 江苏华富储能新技术股份有限公司 | A kind of AGM partition plates for lead accumulator containing phase-changing energy storage material |
| CN107958978A (en) * | 2017-11-18 | 2018-04-24 | 宁波鹏辉微孔科技有限公司 | Composite fibre battery separator and preparation method thereof |
| CN109004155A (en) * | 2018-07-26 | 2018-12-14 | 江西省通瑞新能源科技发展有限公司 | A kind of preparation method of aramid fiber composite diaphragm for lithium battery |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808350A (en) * | 2019-11-13 | 2020-02-18 | 中材科技膜材料（山东）有限公司 | Automatic acid adding process device for AGM (absorptive glass mat) diaphragm |
| CN113964449A (en) * | 2021-09-02 | 2022-01-21 | 浙江南都电源动力股份有限公司 | Glass fiber partition board for improving power performance of lead-acid storage battery and forming method |
| CN113964449B (en) * | 2021-09-02 | 2024-04-19 | 浙江南都电源动力股份有限公司 | Glass fiber separator for improving power performance of lead-acid storage battery and forming method |
| CN117698182A (en) * | 2024-02-05 | 2024-03-15 | 张家港市天磊玻纤有限公司 | Control system for AGM partition plate machining process |
| CN117698182B (en) * | 2024-02-05 | 2024-04-26 | 张家港市天磊玻纤有限公司 | Control system for AGM partition plate machining process |
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Application publication date: 20190604 |