CN104143617A - Method for producing stable AGM (absorptive glass mat) by adopting on-line glue spray method - Google Patents
Method for producing stable AGM (absorptive glass mat) by adopting on-line glue spray method Download PDFInfo
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- CN104143617A CN104143617A CN201410389738.1A CN201410389738A CN104143617A CN 104143617 A CN104143617 A CN 104143617A CN 201410389738 A CN201410389738 A CN 201410389738A CN 104143617 A CN104143617 A CN 104143617A
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- China
- Prior art keywords
- agm
- dividing plate
- glue
- polyvinyl acetate
- matrix
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Classifications
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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
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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
- H01M50/431—Inorganic material
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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
-
- 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 method for producing a stable AGM (absorptive glass mat) by adopting an on-line glue spray method. In the AGM prepared by the method, crossed glass fibers are bonded with each other by virtue of polyvinyl acetate glue which accounts for 5-10% in the AGM, and is composed of polyvinyl acetate and alcohol, wherein the polyvinyl acetate accounts for 40-65%, and the alcohol accounts for 35-60%. The sprayed glue is between front and rear drying ovens with an interval of 50-100 cm. Glue spray points are on positions 20-50 cm of the AGM base body. The flow rate of the sprayed glue is 10-100 Kg per hour. The AGM disclosed by the invention is relatively stable in structure, and the mechanical shock-resisting ability of the AGM is greatly improved, so that the AGM can be kept in a compression state all the time in cycle operation of a battery, and thus, the duty-cycle operation life of a lead-acid storage battery is greatly prolonged. The method disclosed by the invention is simple in process, convenient to operate, easy in realizing efficient integrated production operation; and moreover, the early-stage construction and the later-stage reconstruction of a production line are easy.
Description
Technical field
The present invention relates to a kind of preparation method with the AGM dividing plate of rock-steady structure, particularly a kind of online glue spraying legal system method of AGM dividing plate of rock-steady structure of getting everything ready.
Background technology
Lead acid accumulator, as a kind of power supply product of maturation, be widely used in the industries such as traffic, transportation, telecommunication, and dividing plate is as " the 3rd utmost point " of lead acid accumulator, is one of key factor affecting its performance.AGM dividing plate has become the main flow dividing plate that storage battery is used at present, and is described as battery industry indispensable " century material ".
AGM dividing plate is absorption type super glass wool dividing plate, and the homogeneous laminar flexible material that the ultra-fine fibre glass that is normally 0.5～3 μ m by diameter makes by wet therapy forming process is one of key factor affecting lead acid accumulator useful life.AGM dividing plate is except preventing the short circuit between both positive and negative polarity in battery, the required electrolyte of both positive and negative polarity generation chemical reaction while adsorbing battery charging and discharging again, the oxygen generating when battery generation chemical reaction is provided is penetrated into the passage of negative pole, but also require dividing plate can better bear the active force that active material expands and causes, prevent that active material from coming off, and reduce the degeee of stratification of electrolyte.In addition, the overall structure of dividing plate should have certain mechanical strength and good stability.
In actual application, because AGM dividing plate long period of soaking is in acid solution, the glass fibre in dividing plate is subject to acid liquid corrosion and ruptures, thereby diaphragm structure is gone to pot, the phenomenon such as subside; In addition, the adhesion in AGM dividing plate between ultra-fine fibre glass is very little, and when the surface tension of water is greater than interfibrous adhesion, the adhesion between ultra-fine fibre glass is by destroyed, and diaphragm structure also will go to pot; Moreover dividing plate, in application process, can constantly suffer mechanical shock, also makes dividing plate easily subside.Once and diaphragm structure goes to pot and even subside, can greatly shorten the useful life of storage battery.
Application publication number is that the Chinese invention patent of CN 103545470 A discloses a kind of colloidal lead-acid storage battery dividing plate, and the manufacture method of this kind of colloidal lead-acid storage battery dividing plate, in AGM baffle surface, be coated with polymer colloid layer, the ratio that is 5～10: 1 by weight by PAMA water-soluble polymer and water is mixed, and carry out plastic processing and make polymer colloid, polymer colloid is coated in to AGM baffle surface, form polymer colloid layer, this macromolecule glue bulk layer thickness is 0.01～1mm, then dry and make colloidal lead-acid storage battery dividing plate.This dividing plate efficiently solves colloidal electrolyte and pours into inhomogeneous problem in lead acid accumulator production process, but polymer colloid used is water-fast, acid resistance is poor, and diaphragm structure is still unstable.
Application publication number is that the Chinese invention patent of CN 103855346 A has proposed a kind of AGM baffle of storage battery and preparation method thereof, and this AGM baffle of storage battery comprises high-alkali mineral wool, medium-alkali glass fibre, bicomponent polyester fiber, contains SiO
2the glue of particle, described high-alkali mineral wool, medium-alkali glass fibre, bicomponent polyester fiber, contains SiO
2the percentage by weight of the glue of particle is 81～87: 2.8～4.6: 1.8～3.7: 8.3～11.4.This kind of preparation method's condition easily controlled, and can realize post forming, and made dividing plate combination property is good, but joins glue and blending process is numerous and diverse, and drying time is longer, is unfavorable for realizing high efficiency and produces.
For AGM dividing plate, stablize the research of micro-structural now still less, therefore prepare the method for stablizing AGM dividing plate, also rarely have report, existing method is comparatively loaded down with trivial details again, or preparation time is longer, is not suitable for production efficiently.Therefore, prepare the AGM dividing plate with robust structure how effective integratedly the development of storage battery is had to vital impact.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of method that AGM dividing plate is stablized in preparation that sprays into is online provided, the AGM diaphragm structure of preparing by this kind of method is more firm, can stand long-term acid soak and mechanical shock, and can be all the time in compressive state in charge and discharge process, thereby service lifetime of accumulator is improved greatly, and the method technique is simple in addition, is easy to realize production integration.
In order to realize object of the present invention, adopt following technical scheme: a kind of binding agent that sprays into is online prepared the method for stablizing AGM dividing plate, it is characterized in that comprising the step of following order:
(1) in troughing, drop into successively in particle size glass fibre, thin footpath glass fibre, then solubilizer, adds acid solution, starts beater, after stirring, regulates pH value;
(2) to the slurry removal of impurities that removes the gred;
(3) slurry is carried out to moulding processed twice, and dry to obtain AGM dividing plate matrix;
(4) to dividing plate matrix, spray into binding agent;
(5) matrix after glue spraying is dried 1～3min at 60～100 ℃;
(6) be cooled to after room temperature, to its rolling, cut, obtain AGM dividing plate.
Described binding agent is polyvinyl acetate glue, and this glue is comprised of polyvinyl acetate and ethanol, and wherein polyvinyl acetate ester content is 40～65%, and ethanol content is 35～60%.
The content of described polyvinyl acetate glue in dividing plate is 5～10%.
Described glue spraying, between former and later two baking ovens, is spaced apart 50～100cm.
Described glue spraying point is positioned at 20～50cm on AGM dividing plate matrix.
The flow of described glue spraying is 10～100Kg per hour.
Compared with prior art, the present invention has following beneficial effect:
(1) the AGM dividing plate of preparing by the method, between the glass fibre intersecting, by polyvinyl acetate glue, mutually bond, this adhesion is larger, make diaphragm structure more firm, anti-mechanical shock ability improves greatly, and resilience is better, dividing plate can remain compressive state in circulating battery work, has greatly improved the service life cycle of lead acid accumulator;
(2) the AGM dividing plate tensile strength of preparing by this kind of method is good, and rigidity is high, and the stable micro-structural existing in dividing plate can form unimpeded oxygen diffusion path, raising oxygen combined efficiency, the dehydration in the use procedure of minimizing battery;
(3) this preparation method's technique is simple, easy to operate, is easy to realize the production operation of effective integrated ground, and the initial stage of production line sets up and later stage reconstruction is all comparatively easy;
(4) polyvinyl acetate glue environmental protection used, pollution-free, all less to human body and environmental injury.
Accompanying drawing explanation
Fig. 1 is a kind of glue spraying schematic diagram that the method for AGM dividing plate is stablized in preparation that sprays into online.
Diagram 10 is AGM dividing plate matrix; Diagram 20 is baking oven; Diagram 30 is glue spraying point; Diagram 40 is vaccum dewatering box; Diagram 50 is polyvinyl acetate glue liquid; Diagram 60 is AGM dividing plate matrix moving direction.
Embodiment
Below in conjunction with specific embodiment, further illustrate the present invention, should understand these embodiment is only not used in and limits the scope of the invention for the present invention is described, after having read the present invention, those skilled in the art all fall within the application's claims to the modification of the various equivalent form of values of the present invention and limit.
Embodiment 1
Described in the present invention, a kind of binding agent that sprays into is online prepared the method for stablizing AGM dividing plate, and concrete steps are as follows:
(1) taking percentage by weight is 90% glass fibre, wherein thin footpath content of glass fiber is 65%, and middle particle size content of glass fiber is 35%, and to prepare percentage by weight be 10% polyvinyl acetate glue liquid, this glue contains 40% polyvinyl acetate, 60% ethanol;
(2) in troughing, carry out slurrying, slurrying is divided into making beating and two steps with slurry.First to particle size glass fibre, thin footpath glass fibre in dropping into successively in troughing, after add pure water as solvent, then to add proportion be 1.84 sulfuric acid, start beater, after stirring, regulate pH value, wherein in pulping process, pH value is adjusted to 2.3, and in process with slurry, pH value is adjusted to 3.0;
(3) through the removal of impurities that removes the gred of scummer and sediment dish;
(4) open discharging valve, until liquid level, drop to dust collecter when below, open vacuum pump and carry out twice dehydration forming processes, until page drains, after dry, obtain AGM dividing plate matrix;
(5) glue-spraying device is placed between two baking ovens of front and back, two baking ovens are spaced apart 100cm, adjust glue spraying point and make it to be positioned at 50cm place, dividing plate matrix top, and adjusting glue spraying flow is 100Kg per hour, and backward dividing plate matrix sprays into polyvinyl acetate glue liquid;
(6) the dividing plate matrix after glue spraying is entered in thermostatic drying chamber and dry 3min at 70 ℃;
(7) matrix after glue spraying is cooled to after room temperature, it is carried out to rolling and cut, and obtains described AGM dividing plate.
Embodiment 2
Described in the present invention, a kind of binding agent that sprays into is online prepared the method for stablizing AGM dividing plate, and concrete steps are as follows:
(1) taking percentage by weight is 95% glass fibre, wherein thin footpath content of glass fiber is 75%, and middle particle size content of glass fiber is 25%, and to prepare percentage by weight be 5% polyvinyl acetate glue liquid, this glue contains 60% polyvinyl acetate, 40% ethanol;
(2) in troughing, carry out slurrying, slurrying is divided into making beating and two steps with slurry.First to particle size glass fibre, thin footpath glass fibre in dropping into successively in troughing, after add pure water as solvent, then to add proportion be 1.84 sulfuric acid, start beater, after stirring, regulate pH value, wherein in pulping process, pH value is adjusted to 2.3, and in process with slurry, pH value is adjusted to 3.0;
(3) through the removal of impurities that removes the gred of scummer and sediment dish;
(4) open discharging valve, until liquid level, drop to dust collecter when below, open vacuum pump and carry out twice dehydration forming processes, until page drains, after dry, obtain AGM dividing plate matrix;
(5) glue-spraying device is placed between two baking ovens of front and back, two baking ovens are spaced apart 50cm, adjust glue spraying point and make it to be positioned at 20cm place, dividing plate matrix top, and adjusting glue spraying flow is 10Kg per hour, and backward dividing plate matrix sprays into polyvinyl acetate glue liquid;
(6) the dividing plate matrix after glue spraying is entered in thermostatic drying chamber and dry 1min at 100 ℃;
(7) matrix after glue spraying is cooled to after room temperature, it is carried out to rolling and cut, and obtains described AGM dividing plate.
Above are only two embodiments of the present invention, but design concept of the present invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading the scope of protection of the invention.In every case be the content that does not depart from technical solution of the present invention, any type of simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present invention, still belong to the protection range of technical solution of the present invention.
Claims (6)
1. spray into online binding agent preparation and stablize a method for AGM dividing plate, it is characterized in that comprising the step of following order:
(1) in troughing, drop into successively in particle size glass fibre, thin footpath glass fibre, then solubilizer, adds acid solution, starts beater, after stirring, regulates pH value;
(2) to the slurry removal of impurities that removes the gred;
(3) slurry is carried out to moulding processed twice, and dry to obtain AGM dividing plate matrix;
(4) to dividing plate matrix, spray into binding agent;
(5) matrix after glue spraying is dried 1～3min at 60～100 ℃;
(6) be cooled to after room temperature, to its rolling, cut, obtain AGM dividing plate.
2. method according to claim 1, is characterized in that described binding agent is polyvinyl acetate glue, and this glue is comprised of polyvinyl acetate and ethanol, and wherein polyvinyl acetate ester content is 40～65%, and ethanol content is 35～60%.
3. method according to claim 1, is characterized in that the content of described polyvinyl acetate glue in dividing plate is 5～10%.
4. method according to claim 1, is characterized in that described glue spraying, between former and later two baking ovens, is spaced apart 50～100cm.
5. method according to claim 1, is characterized in that described glue spraying point is positioned at 20～50cm on AGM dividing plate matrix.
6. method according to claim 1, is characterized in that the flow of described glue spraying is 10～100Kg per hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410389738.1A CN104143617A (en) | 2014-08-08 | 2014-08-08 | Method for producing stable AGM (absorptive glass mat) by adopting on-line glue spray method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410389738.1A CN104143617A (en) | 2014-08-08 | 2014-08-08 | Method for producing stable AGM (absorptive glass mat) by adopting on-line glue spray method |
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| Publication Number | Publication Date |
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| CN104143617A true CN104143617A (en) | 2014-11-12 |
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| CN201410389738.1A Pending CN104143617A (en) | 2014-08-08 | 2014-08-08 | Method for producing stable AGM (absorptive glass mat) by adopting on-line glue spray method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719564A (en) * | 2009-12-08 | 2010-06-02 | 超威电源有限公司 | Gel battery for electric vehicle |
| CN102623659A (en) * | 2012-03-16 | 2012-08-01 | 天能电池集团有限公司 | Lead-acid storage battery partition plate and preparation method thereof |
| CN103560252A (en) * | 2013-10-17 | 2014-02-05 | 福建瑞达精工股份有限公司 | Flexible lead-acid battery core easy to recycle, and preparation method of flexible lead-acid battery core |
| US20140120386A1 (en) * | 2012-10-31 | 2014-05-01 | Exide Technologies | Over-Saturated Absorbed Glass Mat Valve Regulated Lead-Acid Battery Comprising Carbon Additives |
-
2014
- 2014-08-08 CN CN201410389738.1A patent/CN104143617A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719564A (en) * | 2009-12-08 | 2010-06-02 | 超威电源有限公司 | Gel battery for electric vehicle |
| CN102623659A (en) * | 2012-03-16 | 2012-08-01 | 天能电池集团有限公司 | Lead-acid storage battery partition plate and preparation method thereof |
| US20140120386A1 (en) * | 2012-10-31 | 2014-05-01 | Exide Technologies | Over-Saturated Absorbed Glass Mat Valve Regulated Lead-Acid Battery Comprising Carbon Additives |
| CN103560252A (en) * | 2013-10-17 | 2014-02-05 | 福建瑞达精工股份有限公司 | Flexible lead-acid battery core easy to recycle, and preparation method of flexible lead-acid battery core |
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Address after: 215400 Chengxiang City, Taicang Province town of the People South Road, No. 162, No. Applicant after: TAICANG PAIOU TECHNOLOGY CONSULTATION SERVICE CO., LTD. Address before: Taicang City, Suzhou City, Jiangsu Province, and 215400 Metro Jianxiong Road No. 20 South Road 2 Applicant before: TAICANG PAIOU TECHNOLOGY CONSULTATION SERVICE CO., LTD. |
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Application publication date: 20141112 |
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| RJ01 | Rejection of invention patent application after publication |