CN105591163A - Production process of novel valve-controlled sealed lead-acid storage battery - Google Patents
Production process of novel valve-controlled sealed lead-acid storage battery Download PDFInfo
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- CN105591163A CN105591163A CN201610061255.8A CN201610061255A CN105591163A CN 105591163 A CN105591163 A CN 105591163A CN 201610061255 A CN201610061255 A CN 201610061255A CN 105591163 A CN105591163 A CN 105591163A
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- battery
- plate
- sealed lead
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- controlled sealed
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/14—Electrodes for lead-acid accumulators
- H01M4/16—Processes of manufacture
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a valve-controlled sealed lead-acid storage battery and provides a production process of a novel valve-controlled sealed lead-acid storage battery, which has the advantages of improving hydrogen evolution over-potential of a negative electrode plate, reducing water loss and prolonging service life of the battery, aiming at solving the technical problems in the prior art that antimony in a positive electrode grid is transferred to the surface of a negative electrode grid in a charging process of a pole plate so that the hydrogen evolution potential is reduced and the performance of the battery is reduced and the like. The battery is formed through externalizing a positive electrode plate, assembling the externalized positive electrode plate and an unformed negative electrode plate, and carrying out internalization on the negative electrode plate.
Description
Technical field
The present invention relates to a kind of valve-control sealed lead acid battery, relate in particular to one and can improve negative plate overpotential of hydrogen evolution, reduce dehydration, extend the controlled sealed lead-acid accumulator production technology of battery.
Background technology
Lead-acid accumulator is a kind of traditional chemical energy storage device, occupies critical role in national economy. According to the plumbous association in world statistics in 2015,68,000,000,000 dollars of whole world secondary electrochmical power source total amounts in 2014, the advantage such as lead-acid accumulator wherein accounts for 68% more than, and it is low that it has price, easy to be recycled, therefore application is very extensive. Lead-acid accumulator is divided into again two kinds of pregnant solution type lead acid accumulator and valve-regulated sealed lead-acid batteries, tradition rich solution lead-acid accumulator is main high antimony, the middle antimony alloy of adopting in positive grid alloy, battery is in charge and discharge process, in positive grid alloy, antimony ion can migrate to negative plate surface, in charging process, can reduce negative pole overpotential of hydrogen evolution, cause the easy dehydration of battery, generally extend battery by the mode of adding water, exist acid solution easily to overflow, etching apparatus and to shortcomings such as surrounding environment impact. And valve-regulated sealed lead-acid batteries adopts without antimony alloy or low antimony alloy, in battery charge and discharge process, negative pole hydrogen-separating quantity reduces, dehydration also reduces, thereby it is valve-control sealed to realize lead-acid accumulator, its relative pregnant solution type lead acid accumulator all has significantly raising at aspects such as charge acceptance, battery capacity, cycle lives, therefore pregnant solution type lead acid accumulator is replaced by valve-regulated sealed lead-acid batteries gradually. Existing lead-acid accumulator is produced the general outer two kinds of modes that change into and be internalized into that adopt, change into be outward by positive plate and negative plate in an electrolytic bath, after charging in 20-30 hour, anticathode plate is washed and anti-oxidation processing, after being assembled into battery after being dried, supplement electric 2-3 days, changing into is outward to carry out after 5-7 days discharge and recharge changes into making finished product battery after positive/negative plate is assembled into battery again again again. No matter be to adopt to be internalized into or to change into outward, as adopted containing antimony positive grid alloy, pole plate is in charging process, and the antimony in anode plate grid can be transferred to negative electrode grid surface, causes the reduction of overpotential of hydrogen evolution. Although chemical synthesis technology has adopted the processing of washing pole plate outside pole plate, because antimony ion moves in pole plate hole very much, cannot clean up. Be difficult to process because washing pole plate has also produced a large amount of sewage simultaneously, cause a large amount of wastes.
Summary of the invention
The present invention has mainly been to provide one can improve negative plate overpotential of hydrogen evolution, reduce dehydration, extend the controlled sealed lead-acid accumulator production technology of battery, solve the pole plate existing in prior art in charging process, antimony in anode plate grid can be transferred to negative electrode grid surface, cause the reduction of overpotential of hydrogen evolution, cause the technical problem of battery performance reduction etc.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of controlled sealed lead-acid accumulator production technology, comprises following sequential steps:
1) the positive green plate not changing into is inserted to electrolytic bath, corresponding negative electrode adopts the pure stereotype of homalographic, and positive plate is carried out to the outer processing that changes into;
2) positive plate changing into is carried out to washing and drying;
3) by the positive plate changing into and the negative plate assembling not changing into, make finished product battery.
Change into separately by positive plate, antimony ion in grid alloy has part and migrates to active material surface, after changing into washing, can remove part antimony ion, can avoid thus antimony ion in formation process to move to negative plate, another because negative plate adopts the green plate assembled battery not changing into, negative plate is good conductivity very, being easy to is saturating, forming current density and the time that changes into all reduce in a large number, the problem that antimony ion moves to negative plate also reduces to a great extent, can improve negative plate overpotential of hydrogen evolution, reduce dehydration, extend battery.
As preferably, by described step 3) in the negative green plate that do not change into insert electrolytic bath, corresponding positive electrode adopts the pure stereotype of homalographic, anticathode plate carries out the outer processing that changes into. Negative plate changes into separately, and in formation process, what adopt due to corresponding positive electrode is the pure stereotype containing antimony ion not, and therefore antimony ion can not move to negative plate.
As more preferably, the described negative plate changing into is carried out to protectiveness discharge process. It is in order to reduce negative plate surface oxidation that anticathode plate carries out discharge process, improves battery stability in use.
As more preferably, after being gone out to groove, washes and anti-oxidation processing by described negative plate. Washing and anti-oxidation processing are in order further to reduce negative plate surface oxidation, to improve battery performance.
As preferably, the described positive plate changing into and negative plate are assembled into battery, then by simply discharging and recharging processing after battery acid adding, make finished product battery. Discharging and recharging processing is in order further to intensify battery performance, improves reliability and service life that battery uses.
Therefore, a kind of controlled sealed lead-acid accumulator production technology of the present invention has following advantage: adopt containing the grid alloy of antimony and make valve-regulated sealed lead-acid batteries, the first outer positive plate that changes into, then the positive plate changing into and the negative plate not changing into are assembled into battery, then are internalized into negative plate processing. Compared with traditional processing technology, be mainly to have reduced in formation process the migration of antimony ion negative pole, improve negative plate overpotential of hydrogen evolution, reduce dehydration, improve valve-control sealed lead acid battery service life.
Detailed description of the invention:
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1:
A kind of controlled sealed lead-acid accumulator production technology of the present invention, comprises following sequential steps:
1) the positive green plate not changing into is inserted to electrolytic bath, corresponding negative electrode adopts the pure stereotype (pure stereotype can forever use) of homalographic, outside positive plate is carried out, changes into processing, and the positive plate changing into is carried out to washing and drying.
2) the negative green plate not changing into is inserted to electrolytic bath, corresponding positive electrode adopts the pure stereotype (pure stereotype can forever use) of homalographic, and anticathode plate carries out the outer processing that changes into.
3) negative plate changing into is carried out to protectiveness discharge process (also can not carry out protectiveness discharge process), negative plate plate is gone out after groove to wash and anti-oxidation processing (also can wash and anti-oxidation processing).
4) positive plate changing into and negative pole are assembled into battery (also the positive plate changing into and the negative plate not changing into can be assembled into battery), then row simply discharges and recharges processing by after battery acid adding time, makes finished product battery.
Anode plate grid adopts containing antimony slab lattice alloy (also comprise in active material add sb oxide or antimony metal salt); Adopt outer formation regime to produce containing the raw positive plate of antimony, the positive plate after changing into adopts the mode of washing to remove the antimony ion on active material surface; Negative plate changes into or is internalized into mode outside adopting and produces, but negative plate with containing antimony positive plate does not change into simultaneously.
Adopt the wherein a kind of of above scheme battery production technology:
Test cell model: 6-DZM-12, positive grid alloy: Sb1.5%As0.2%Se0.015%Ag0.01% (all the other are Pb), negative pole adopts lead-calcium alloy, positive plate weight 31g, negative plate weight 19g, adopt 8 negative pole assembled batteries of 7 positive poles, the about 4.3Kg of finished product battery weight.
20, positive pole is inserted to electrolytic bath, and corresponding 21 pure stereotypes with homalographic of negative pole employing, adopt following forming current and the time that changes into charges.
21, negative pole is inserted to electrolytic bath, and corresponding 20 pure stereotypes with homalographic of positive pole employing, adopt following forming current and the time that changes into charges.
By the positive pole washing changing into 1 hour, in drying machine, dry about 2h, adopted the about 1h of oxygen-free drier convection drying by negative plate.
To after above-mentioned pole plate burst, be assembled into battery by 8 negative poles of 7 positive poles, add 1.32g/cm3 sulfuric acid 120ml to add in battery, full charge after capacity check.
The battery and other the blank battery that adopt above-mentioned technique to make carry out following performance comparison, and comparing result is as follows:
The battery called after X that adopts above-mentioned technique to make;
Adopt above-mentioned containing the normal raw outer battery called after SbW that production technology is produced that changes into of antimony slab lattice alloy;
Adopt above-mentioned containing the normal raw outer battery called after SbN that production technology is produced that changes into of antimony slab lattice alloy;
The plumbous calcium tin aluminium of existing normal production changes into the battery called after CaW of production outward without antimony positive grid alloy;
The plumbous calcium tin aluminium of existing normal production changes into the battery called after CaN of production outward without antimony positive grid alloy;
The 50th capacity: every battery is weighed and is designated as initial weight G0, every group of 4 batteries series connection, adopts 6A to discharge into every group of 42.0V on battery, adopts the charging of syllogic vehicle charger, each whole Battery pack of cycle index discharge time, record battery weight G50 after 50 times.
Dehydration weight: deduct weight G50 after battery 50 times circulation with battery initial weight G0.
Cycle life: by above-mentioned cycle life method be circulated to battery to battery discharge time lower than 84min (70%), record battery charging and discharging number of times.
Table 1 embodiment battery capacity contrasts with dehydration situation:
Table 2 embodiment battery cycle life contrasts with dehydration situation:
Embodiment 2
A kind of electric motor car of the present invention, comprises the controlled sealed lead-acid accumulator in embodiment 1.
Specific embodiment described herein is only to design of the present invention explanation for example. Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (6)
1. a controlled sealed lead-acid accumulator production technology, is characterized in that: comprise following sequential steps:
1) the positive green plate not changing into is inserted to electrolytic bath, corresponding negative electrode adopts the pure stereotype of homalographic, and positive plate is carried out to the outer processing that changes into;
2) positive plate changing into is carried out to washing and drying;
3) by the positive plate changing into and the negative plate assembling not changing into, make finished product battery.
2. a kind of controlled sealed lead-acid accumulator production technology according to claim 1, it is characterized in that: the negative green plate not changing in described step 3) is inserted to electrolytic bath, corresponding positive electrode adopts the pure stereotype of homalographic, and anticathode plate carries out the outer processing that changes into.
3. a kind of controlled sealed lead-acid accumulator production technology according to claim 2, is characterized in that: the described negative plate changing into is carried out to protectiveness discharge process.
4. a kind of controlled sealed lead-acid accumulator production technology according to claim 2, is characterized in that: after described negative plate is gone out to groove, wash and anti-oxidation processing.
5. according to a kind of controlled sealed lead-acid accumulator production technology described in claim 3 or 4, it is characterized in that: the described positive plate changing into and negative plate are assembled into battery, then row simply discharges and recharges processing by after battery acid adding time, makes finished product battery.
6. an electric motor car, is characterized in that, comprises a kind of controlled sealed lead-acid accumulator described in any one of claim 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610061255.8A CN105591163B (en) | 2016-01-28 | 2016-01-28 | A kind of valve-control sealed lead acid battery production technology |
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| CN201610061255.8A CN105591163B (en) | 2016-01-28 | 2016-01-28 | A kind of valve-control sealed lead acid battery production technology |
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| CN105591163A true CN105591163A (en) | 2016-05-18 |
| CN105591163B CN105591163B (en) | 2018-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678602A (en) * | 2022-02-23 | 2022-06-28 | 浙江铅锂智行科技有限公司 | Formation method and system of lead-acid storage battery pole plate |
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| JPS561463A (en) * | 1979-06-19 | 1981-01-09 | Matsushita Electric Ind Co Ltd | Manufacture of electrode plate group for lead-acid battery |
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| CN103000961A (en) * | 2012-12-10 | 2013-03-27 | 山东圣阳电源股份有限公司 | Formation method of colloidal lead-acid storage battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114678602A (en) * | 2022-02-23 | 2022-06-28 | 浙江铅锂智行科技有限公司 | Formation method and system of lead-acid storage battery pole plate |
| WO2023159907A1 (en) * | 2022-02-23 | 2023-08-31 | 浙江铅锂智行科技有限公司 | Formation method and system for electrode plate of lead-acid battery |
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| CN105591163B (en) | 2018-12-07 |
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Address after: 313100 Zhejiang city of Huzhou province Changxing County pheasant emerging urban industrial park Patentee after: Chaowei Power Group Co., Ltd Address before: 313100 Zhejiang city of Huzhou province Changxing County pheasant emerging urban industrial park Patentee before: Chilwee Power Supply Co., Ltd. |