CN110233226A - A kind of AGM partition and preparation method thereof, making apparatus and battery - Google Patents
A kind of AGM partition and preparation method thereof, making apparatus and battery Download PDFInfo
- Publication number
- CN110233226A CN110233226A CN201910482792.3A CN201910482792A CN110233226A CN 110233226 A CN110233226 A CN 110233226A CN 201910482792 A CN201910482792 A CN 201910482792A CN 110233226 A CN110233226 A CN 110233226A
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- Prior art keywords
- partition
- contact
- pole plate
- thickness
- battery
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- 238000005192 partition Methods 0.000 title claims abstract description 115
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 36
- 239000000835 fiber Substances 0.000 claims description 34
- 238000003756 stirring Methods 0.000 claims description 15
- -1 Polyethylene Polymers 0.000 claims description 14
- 239000004698 Polyethylene Substances 0.000 claims description 14
- 229920000573 polyethylene Polymers 0.000 claims description 14
- 229920000728 polyester Polymers 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000002560 therapeutic procedure Methods 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229920004933 Terylene® Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
- D21H11/18—Highly hydrated, swollen or fibrillatable fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/12—Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/14—Polyalkenes, e.g. polystyrene polyethylene
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/24—Polyesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/65—Acid compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J1/00—Fibreboard
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J1/00—Fibreboard
- D21J1/10—After-treatment
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
-
- 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
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Cell Separators (AREA)
Abstract
The present invention relates to field of batteries, provide a kind of AGM partition and preparation method thereof, making apparatus and battery, AGM partition, including ontology, ontology include in the middle part of the contact of pole plate face contact and not with the non-contact side of pole plate face contact；The thickness at contact middle part is greater than the thickness of non-contact side；Contact middle part can be compressed.In the present invention, battery is separated between positive plate and negative plate by AGM partition in assembly, prevent positive and negative anodes contact from leading to short circuit, the part that AGM partition is contacted with pole plate after assembly will receive pressure and compress, and can reduce the volume of battery after assembling, increase the application range of battery.
Description
Technical field
The invention belongs to field of batteries, are related to a kind of battery, in particular to a kind of AGM partition and preparation method thereof, system
Make equipment and battery.
Background technique
The thickness of battery separator in a free state be greater than battery assembled state under thickness because assembly rear bulkhead by
To the pressure of 45kPa~90kPa.Battery separator area is greater than polar plate area, according to the actual size of each battery, spacer width
Greater than plate width 10mm~14mm, in order to it is easy positive and negative anodes contact when preventing pole plate from misplacing and leads to short circuit, and it is wide
The electrolyte that the partition of pole plate part is absorbed out has no practical significance to the chemical reaction of battery, will not be pressed after assembling battery
Contracting, thus it is thinner more advantageous to battery.
Summary of the invention
The purpose of the present invention is being directed to the above-mentioned problems in the prior art, a kind of AGM partition and its production are provided
Method, making apparatus and battery.
Object of the invention can be realized by the following technical scheme: a kind of AGM partition, including ontology, the ontology packet
Include with the contact of pole plate face contact in the middle part of and not with the non-contact side of pole plate face contact；Thickness in the middle part of the contact is greater than non-
The thickness of contacting side；It can be compressed in the middle part of the contact.
The working principle of the invention: battery is separated between positive plate and negative plate by AGM partition in assembly, is prevented
Only positive and negative anodes contact leads to short circuit, and the part that AGM partition is contacted with pole plate after assembly will receive pressure and compress, and can reduce assembling
The volume of battery afterwards, only with the partition of pole plate face contact just by pressure action, therefore the partition with pad-face non-contact part
Thickness will not assemble with battery and be changed.
Preferably, the area in the middle part of the contact matches with pad-face.
Preferably, the partition is flexible at U-shaped, by pole plate packet in partition.
Preferably, the spacer width is greater than plate width 10mm~14mm；Battery separator area is greater than pad-face
Product, according to the actual size of each battery, spacer width is greater than plate width 10mm~14mm, in order to prevent pole plate from misplacing
Shi Rongyi positive and negative anodes contact and lead to short circuit, and chemical reaction of the electrolyte that the partition of wide pole plate part out is absorbed to battery
Practical significance is had no, will not be compressed after assembling battery, thus it is thinner more advantageous to battery.The divider height is greater than pole plate height
5mm~8mm will not be compressed after being higher by the partition assembly battery of pole plate part, and the electrolyte that this divider plate is absorbed exists
It can be fallen to due to gravity and naturally at pole plate when electric discharge, be conducive to battery discharge, when charging can will generate because of capillary phenomenon
Electrolyte absorb straight up.Battery after assembling, the difference of the thickness of thickness in the middle part of the contact and non-contact side
Away from 2mm is no more than, the thickness of the thickness and non-contact side that make contact middle part as far as possible is consistent, and can reach the work of barrier
With, and can guarantee the security performance of battery.
Preferably, the thickness at contact middle part is identical as the thickness of non-contact side, partition can be made both to reach to greatest extent
To barrier effect, can guarantee the security performance of battery again.
Preferably, the cross section of the partition is low ladder-like in intermediate high both sides.According to battery assembly pressure and
Partition section is designed to staged by the compression ratio of partition, and the part with pole plate face contact is normal design thickness, with pole plate
The non-contacting lateral parts thickness in face is thinned by different assembly pressures.
A kind of production method of AGM partition, comprising the following steps:
S1, staple glass fibre is added into reactor；
S2, polyester staple fiber is added by the 0.2~0.7% of separator；The preparation method of polyester staple fiber is to take
Polyethylene staple fiber is put in sulfuric acid solution, by the proportional quantity of 1.0~1.5g/L 36 by the sulfuric acid solution of pH2.5~2.8
Under DEG C ± 3 DEG C of constant temperatures, stirring to fiber is completely dispersed；
S3, polyethylene staple fiber is added by the 0.2~0.5% of separator；The preparation method of polyethylene staple fiber auxiliary material
To take the sulfuric acid solution of pH3~3.5, by the proportional quantity of 1.2~1.8g/L, polyester staple fiber being put in sulfuric acid solution, 30
Under DEG C ± 3 DEG C of constant temperatures, stirring to fiber is completely dispersed；
S4, reactor is opened, stirs glass fibre, is added polyethylene staple fiber sulfuric acid solution with the speed of 10~15g/s
Enter reactor and stir, polyester staple fiber sulfuric acid solution is added by reactor with the speed of 12~20g/s and stirs, partition is made
Slurry；
S5, partition of being manufactured paper with pulp using papermaking wet therapy forming process, partition slurry form sheet-like separator after dehydration forming；
S6, the both ends of the sheet-like separator in step S5 are subjected to roll-in using staged roller, make sheet-like separator both ends
Thickness is less than the thickness of middle section；
S7, AGM partition is made after the product in step S6 is dried, is cut.
Preferably, pressing the 0.5% of separator, increase polyester staple fiber to increase partition resilience.
Preferably, pressing the 0.4% of separator, increase polyethylene staple fiber to increase diaphragm strength and corrosion resistance.
Preferably, the drying mode of partition is divided into accelerated surface drying and two stages of star spectra data.
Preferably, further including step S8, the AGM partition after cutting is bent into U-shaped, U-shaped middle part for holding pole
Plate.
Including rack and the stock tank of rack one end is arranged in a kind of making apparatus of AGM partition, and the rack, which is equipped with, to be used
In being additionally provided with bracket in the transmission net of transmission partition, the rack, the bracket is equipped with staged roller, the staged roller
The two sides for squeezing partition are taken turns, partition is made to form low ladder-like in intermediate high both ends.
Preferably, being additionally provided with regulating device on the bracket, the regulating device is used to adjust staged and squeezes out roller
Highly, to adjust the thickness of partition two sides.
Preferably, the regulating device is screw element.
A kind of battery, including cabinet, the cabinet is interior to be equipped with multiple battery units, and each battery unit includes one
A positive plate, a negative plate and one piece of partition, the partition is for separating positive plate and negative plate, the face of the partition
Product be greater than pole plate area, the partition include with the contact of pole plate face contact in the middle part of and not with the non-contact side of pole plate face contact
Portion, the thickness in the middle part of the contact are greater than the thickness of non-contact side；After the battery unit assembles in cabinet, the pole
Plate is arranged in the middle part of contact and compresses in the middle part of contact, is no more than 2mm with the thickness difference of non-contact side after being compressed in the middle part of contact.
Compared with prior art, the invention has the following advantages that
In the present invention, battery is separated by AGM partition between positive plate and negative plate in assembly, prevents positive and negative anodes
Contact leads to short circuit, and the part that AGM partition is contacted with pole plate after assembly will receive pressure and compress, and can reduce battery after assembling
Volume increases the application range of battery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of AGM partition；
Fig. 2 is the schematic diagram that battery assembles front baffle and pole plate；
Fig. 3 is the schematic diagram that battery assembles rear bulkhead and pole plate；
Fig. 4 is the schematic diagram of partition production；
Schematic diagram when Fig. 5 is the two sides of staged roller extruding partition；
In figure, 1, partition；2, pole plate；3, contact middle part；4, non-contact side；5, stock tank；6, staged roller；7, it adjusts
Device.
Specific embodiment
The following is specific embodiments of the present invention, and technical scheme of the present invention will be further described, but the present invention is simultaneously
It is not limited to these embodiments.
As shown, a kind of AGM partition 1, including ontology, ontology include in the middle part of the contact of 2 face contact of pole plate 3 and not with
The non-contact side 4 of 2 face contact of pole plate；The thickness at contact middle part 3 is greater than the thickness of non-contact side 4；Contact middle part 3 can be pressed
Contracting.Battery is separated between positive plate 2 and negative plate 2 by AGM partition 1 in assembly, prevents positive and negative anodes contact from causing short
Road, the part that AGM partition 1 is contacted with pole plate 2 after assembly will receive pressure and compress, and can reduce the volume of battery after assembling, only
Have with 1 ability of partition of 2 face contact of pole plate by pressure action, therefore will not be with electricity with 1 thickness of partition of 2 face non-contact part of pole plate
It assembles and changes in pond.
The area at contact middle part 3 matches with 2 face of pole plate.Partition 1 is flexible at U-shaped, by the packet of pole plate 2 in partition 1.Every
1 width of plate is greater than 2 width 10mm~14mm of pole plate；1 area of battery separator is greater than 2 area of pole plate, according to the reality of each battery
Size, 1 width of partition are greater than 2 width 10mm~14mm of pole plate, in order to positive and negative anodes contact is easy when preventing pole plate 2 from misplacing
And lead to short circuit, and the electrolyte that the partition 1 of wide 2 part of pole plate out is absorbed has no practical significance to the chemical reaction of battery,
It will not be compressed after assembly battery, thus it is thinner more advantageous to battery.1 height of partition is greater than 2 height 5mm~8mm of pole plate, is higher by pole
The partition 1 of 2 part of plate will not be compressed after assembling battery, and the electrolyte that this divider plate 1 is absorbed can be because of weight in electric discharge
Power is acted on and is fallen at pole plate 2 naturally, is conducive to battery discharge, and when charging can be vertical by the electrolyte of generation because of capillary phenomenon
It absorbs upwards.After assembling, the gap of the thickness of the thickness and non-contact side 4 at contact middle part 3 is no more than 2mm to battery, to the greatest extent
Amount is consistent the thickness at contact middle part 3 and the thickness of non-contact side 4, can have the function that barrier and electricity
The security performance in pond.Optimal cases are that the thickness at contact middle part 3 is identical as the thickness of non-contact side 4, can be made to greatest extent
Partition 1 had not only haved the function that barrier but also can guarantee the security performance of battery.The cross section of partition 1 is the low rank in intermediate high both sides
Scalariform.According to the assembly pressure of battery and the compression ratio of partition 1,1 section of partition is designed to staged, with 2 face contact of pole plate
Part be normal design thickness, it is thinned by different assembly pressures from the non-contacting lateral parts thickness in 2 face of pole plate.
A kind of production method of AGM partition 1, comprising the following steps:
S1, staple glass fibre is added into reactor；
S2, polyester staple fiber is added by the 0.5% of 1 weight of partition；The preparation method of polyester staple fiber is to take
Polyethylene staple fiber is put in sulfuric acid solution by the sulfuric acid solution of pH2.5~2.8 by the proportional quantity of 1.2g/L, at 36 DEG C ± 3
Under DEG C constant temperature, stirring to fiber is completely dispersed about 5min40s~6min under conditions of revolving speed is 120r/min, stands
After 2min, reactor is poured into, reactor can be stock tank 5；
S3, polyethylene staple fiber is added by the 0.4% of 1 weight of partition；The preparation method of polyethylene staple fiber auxiliary material is to take
Polyester staple fiber is put in sulfuric acid solution by the sulfuric acid solution of pH3~3.5 by the proportional quantity of 1.5g/L, in 30 DEG C of ± 3 DEG C of perseverances
Under the conditions of temperature, stirring to fiber is completely dispersed (about 3min20s~3min40s) under conditions of revolving speed is 120r/min, is stood
After 2min, reactor is poured into, reactor can be stock tank 5；
S4, reactor is opened, after stirring 10min, polyethylene staple fiber sulfuric acid solution is added to the speed of 12g/s and is beaten
Slurry bucket continues after stirring 10min, polyester staple fiber sulfuric acid solution is added to reactor with the speed of 15g/s, is continued stirring until
Reaction terminates, and 1 slurry of partition is made；
S5, partition 1 of being manufactured paper with pulp using papermaking wet therapy forming process, 1 slurry of partition form sheet-like separator 1 after dehydration forming；
S6, the both ends of the sheet-like separator 1 in step S5 are subjected to roll-in using staged roller 6, make 1 both ends of sheet-like separator
Thickness be less than middle section thickness；The molding mode of partition 1 is extruded type, and idler wheel is designed to that staged idler wheel, partition 1 are thick
Degree changes with the variation in the gap between idler wheel and conveyer belt；
S7, AGM partition 1 is made after the product in step S6 is dried, is cut；The drying mode of partition 1 is divided into fastly
Two stages of fast dry tack free and star spectra data, 1, accelerated surface drying be by partition 1 form after 120 DEG C in drying kiln~
Dry 30min under the conditions of 140 DEG C, the process can control water content below 0.5%；2, the main purpose of star spectra data is to make
Silicate in partition 1 is further stablized, because the silicate component in the partition 1 after dry tack free is still in unstable state,
Be transferred to after normal temperature state can because temperature difference is larger the segregation of chemical substance occurs, leads to 1 uneven components of partition the defects of.
Star spectra data is that the partition 1 after being is transferred in 40 DEG C ± 2 DEG C of thermostatic chamber after holding 6h~8h by accelerated surface drying, and taking-up is put
It is placed under normal temperature environment after stablizing 1h, for use.
S8, the AGM partition 1 after cutting is bent to U-shaped, U-shaped middle part for holding pole plate 2.
Including rack and the stock tank 5 of rack one end is arranged in a kind of making apparatus of AGM partition 1, and rack is equipped with and is used for
The transmission net of partition 1 is transmitted, bracket is additionally provided in rack, bracket is equipped with staged roller 6, and staged roller 6 is for squeezing
The two sides of partition 1 make partition 1 form low ladder-like in intermediate high both ends.Regulating device 7 is additionally provided on bracket, regulating device 7 is used
In the height for adjusting staged extrusion roller, to adjust the thickness of 1 two sides of partition.Regulating device 7 is screw element.
A kind of battery, including cabinet, cabinet is interior to be equipped with multiple battery units, and each battery unit includes a positive plate
2, a negative plate 2 and one piece of partition 1, for partition 1 for separating positive plate 2 and negative plate 2, the area of partition 1 is greater than pole
The area of plate 2, partition 1 include in the middle part of the contact of 2 face contact of pole plate 3 and the not non-contact side 4 with 2 face contact of pole plate, connect
The thickness at touching middle part 3 is greater than the thickness of non-contact side 4；After battery unit assembles in cabinet, pole plate 2 is arranged in contact
Portion 3 simultaneously compresses contact middle part 3, contacts the thickness difference after middle part 3 is compressed with non-contact side 4 and is no more than 2mm.
It is as follows to increase the performance that terylene short fiber peacekeeping polyethylene staple fiber overall thickness is 1.2mm partition 1:
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out change and modification appropriate.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In use some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (10)
1. a kind of AGM partition, which is characterized in that including ontology, the ontology includes and the contact of pole plate (2) face contact middle part
(3) the non-contact side (4) of He Buyu pole plate (2) face contact；The thickness of (3) is greater than non-contact side (4) in the middle part of the contact
Thickness；(3) can be compressed in the middle part of the contact.
2. a kind of AGM partition according to claim 1, which is characterized in that the area and pole plate of (3) in the middle part of the contact
(2) face matches.
3. a kind of AGM partition according to claim 1, which is characterized in that the partition (1) is flexible at U-shaped, by pole plate
(2) packet is in partition (1).
4. a kind of AGM partition according to claim 1, which is characterized in that it is wide that partition (1) width is greater than pole plate (2)
Spend 10mm~14mm；The partition (1) is highly greater than pole plate (2) height 5mm~8mm；Battery after assembling, in the contact
The gap of the thickness of the thickness and non-contact side (4) in portion (3) is no more than 2mm.
5. a kind of AGM partition according to claim 1, which is characterized in that the cross section of the partition (1) is intermediate high by two
Low ladder-like in side.
6. a kind of production method of AGM partition, which comprises the following steps:
S1, staple glass fibre is added into reactor；
S2, polyester staple fiber is added by the 0.2~0.7% of partition (1) weight；The preparation method of polyester staple fiber is to take
Polyethylene staple fiber is put in sulfuric acid solution, by the proportional quantity of 1.0~1.5g/L 36 by the sulfuric acid solution of pH2.5~2.8
Under DEG C ± 3 DEG C of constant temperatures, stirring to fiber is completely dispersed；
S3, polyethylene staple fiber is added by the 0.2~0.5% of partition (1) weight；The preparation method of polyethylene staple fiber auxiliary material
To take the sulfuric acid solution of pH3~3.5, by the proportional quantity of 1.2~1.8g/L, polyester staple fiber being put in sulfuric acid solution, 30
Under DEG C ± 3 DEG C of constant temperatures, stirring to fiber is completely dispersed；
S4, reactor is opened, stirs glass fibre, polyethylene staple fiber sulfuric acid solution is added instead with the speed of 10~15g/s
It answers device and stirs, polyester staple fiber sulfuric acid solution is added by reactor with the speed of 12~20g/s and stirs, be made partition (1)
Slurry；
S5, it is manufactured paper with pulp using papermaking wet therapy forming process partition (1), partition (1) slurry forms sheet-like separator after dehydration forming
(1)；
S6, the both ends of the sheet-like separator (1) in step S5 are subjected to roll-in using staged roller (6), make sheet-like separator (1) two
The thickness at end is less than the thickness of middle section；
S7, AGM partition (1) is made after the product in step S6 is dried, is cut.
7. a kind of production method of AGM partition according to claim 6, which is characterized in that further include step S8, will cut
AGM partition (1) afterwards bends to U-shaped, U-shaped middle part for holding pole plate (2).
8. a kind of making apparatus of AGM partition, which is characterized in that including rack and the stock tank (5) of rack one end is set, it is described
Rack is equipped with the transmission net for transmitting partition (1), and bracket is additionally provided in the rack, and the bracket is equipped with staged roller
It takes turns (6), the staged roller (6) is used to squeeze the two sides of partition (1), and partition (1) is made to form the low ladder in intermediate high both ends
Shape.
9. a kind of making apparatus of AGM partition according to claim 8, which is characterized in that be additionally provided with tune on the bracket
Regulating device (7), the regulating device (7) is used to adjust the height that staged squeezes out roller, to adjust the thickness of partition (1) two sides
Degree.
10. a kind of battery, which is characterized in that including cabinet, multiple battery units, each battery are equipped in the cabinet
Unit includes a positive plate (2), a negative plate (2) and one piece of partition (1), the partition (1) be used for positive plate (2) and
Negative plate (2) separates, and the area of the partition (1) is greater than the area of pole plate (2), and the partition (1) includes and pole plate (2) face
The thickness of the non-contact side (4) of (3) He Buyu pole plate (2) face contact in the middle part of the contact of contact, the contact middle part (3) is greater than
The thickness of non-contact side (4)；After the battery unit assembles in cabinet, the pole plate (2) is arranged in the middle part of contact (3)
And contact middle part (3) is compressed, it is no more than 2mm with the thickness difference of non-contact side (4) after (3) are compressed in the middle part of contact.
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| CN201910482792.3A CN110233226B (en) | 2019-06-04 | 2019-06-04 | AGM separator, manufacturing method and manufacturing equipment thereof and storage battery |
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| CN201910482792.3A CN110233226B (en) | 2019-06-04 | 2019-06-04 | AGM separator, manufacturing method and manufacturing equipment thereof and storage battery |
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| CN110233226B CN110233226B (en) | 2024-06-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114497885A (en) * | 2022-01-24 | 2022-05-13 | 重庆文理学院 | Production process of superfine glass fiber battery diaphragm |
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| CN1405906A (en) * | 2001-09-11 | 2003-03-26 | 松下电器产业株式会社 | Polymer electrolyte fuel battery and its conducting diaphragm |
| CN203367442U (en) * | 2013-06-04 | 2013-12-25 | 超威电源有限公司 | High-capacity 6-DZM-20Ah lead-acid battery |
| CN106299200A (en) * | 2016-08-23 | 2017-01-04 | 浙江畅通科技有限公司 | A kind of AGM dividing plate production method suppressing electrolyte stratification |
| CN210073999U (en) * | 2019-06-04 | 2020-02-14 | 天能电池集团股份有限公司 | AGM separator, manufacturing equipment and storage battery |
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2019
- 2019-06-04 CN CN201910482792.3A patent/CN110233226B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405906A (en) * | 2001-09-11 | 2003-03-26 | 松下电器产业株式会社 | Polymer electrolyte fuel battery and its conducting diaphragm |
| CN203367442U (en) * | 2013-06-04 | 2013-12-25 | 超威电源有限公司 | High-capacity 6-DZM-20Ah lead-acid battery |
| CN106299200A (en) * | 2016-08-23 | 2017-01-04 | 浙江畅通科技有限公司 | A kind of AGM dividing plate production method suppressing electrolyte stratification |
| CN210073999U (en) * | 2019-06-04 | 2020-02-14 | 天能电池集团股份有限公司 | AGM separator, manufacturing equipment and storage battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114497885A (en) * | 2022-01-24 | 2022-05-13 | 重庆文理学院 | Production process of superfine glass fiber battery diaphragm |
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| CN110233226B (en) | 2024-06-25 |
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