CN1181578C - Formation process of lead-acid storage battery plate - Google Patents
Formation process of lead-acid storage battery plate Download PDFInfo
- Publication number
- CN1181578C CN1181578C CNB011150114A CN01115011A CN1181578C CN 1181578 C CN1181578 C CN 1181578C CN B011150114 A CNB011150114 A CN B011150114A CN 01115011 A CN01115011 A CN 01115011A CN 1181578 C CN1181578 C CN 1181578C
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- Prior art keywords
- charging
- plate
- time
- hours
- ampere
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000002253 acid Substances 0.000 title claims abstract description 8
- 238000003860 storage Methods 0.000 title abstract description 5
- 230000015572 biosynthetic process Effects 0.000 title abstract 6
- 239000003792 electrolyte Substances 0.000 claims abstract description 16
- 238000005516 engineering process Methods 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 10
- 229910000464 lead oxide Inorganic materials 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000011149 active material Substances 0.000 description 5
- 229920004933 Terylene® Polymers 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer 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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to a formation process of a lead-acid storage battery plate, which comprises the steps of preparing the plate, manufacturing a plate group and preparing electrolyte, wherein the plate group is arranged in the electrolyte, then the plate charging operation is carried out, the charging operation is controlled to be a positive charging operation for a period of time, then a reverse charging operation is inserted, and then the positive charging operation is carried out to complete the charging process; alternately circulating the positive charging operation and the reverse charging operation for 3-10 times; the first positive charging time is 9.5-10.5 hours, the charging is carried out for 2-2.5 hours by using the current of 0.1-0.2C/n ampere/sheet, and then the recharging is carried out for 7-8.5 hours by using the current of 0.3-0.5C/n ampere/sheet; after the first charging cycle, the positive charging current is 0.4-0.6C/n ampere/sheet, and the positive charging time is 3-5 hours; reversely charging until the cell pressure is reduced to 1.75-1.85 volts, and determining the final forward charging time according to a formation index or a formation state; wherein: c is the battery capacity, and n is the number of positive plate grids. The accumulator plate formation process is easy to master and convenient to operate, and can ensure that the product parameters meet or exceed the index requirements, greatly shorten the formation time and improve the production efficiency.
Description
Technical field
The present invention relates to a kind of technology for forming plate electrode of lead-acid accumulator, be suitable for tubulose, paste spread type grid.
Background technology
The curing of the preparation of the production process alloy clading of lead acid accumulator, cast panel, coated plate, living plate is with drying, pole plate changes into and storage battery assembles.The key property of storage battery, as battery capacity, voltage, electric current, life-span, charge acceptance etc., mainly depend on pole plate, the content of active substance of positive plate especially, the chemical synthesis technology in the production plays crucial effects to content of active substance in the pole plate.
What application number was that 96120459.1 pole plate forming technology adopts is the method for pulse, though can reach the certain index requirement, but need calculate the average voltage of its last circulation repeatedly, operate loaded down with trivial details, inconvenience is grasped, cause inconvenience for actual production in enormous quantities, it is poor that reality can be operated, and is difficult to implement to promote.
Summary of the invention
The object of the present invention is to provide a kind ofly can meet or exceed index request by product parameters, be convenient to operate the technology for forming plate electrode of lead-acid accumulator of enforcement again, and this technology can shorten the time of changing into, enhance productivity.
Technology for forming plate electrode of lead-acid accumulator of the present invention, comprise the preparation of pole plate, the making of plate group, the preparation of electrolyte, group places electrolyte with plate, carry out the pole plate charging operations again, after its charging operations is controlled to be and just fills a period of time, insert and instead fill operation, and then just filling operation and finishing charging process.
Change in the operating process in routine, when charging forms active material, be not allow anti-operation of filling, the present invention has broken this conventional thinking, insert the anti-operation of filling just filling in the process, obtain unusual effect, obviously improved the brown lead oxide content of positive plate and the lead content of negative plate, can realize the requirement of product parameters high target, can shorten the time of changing into again, and operate almost no change, as the preparation of pole plate, the making of plate group, the preparation of sulfuric acid solution electrolyte, group places electrolyte with plate, carry out pole plate charging operations or the like, all do not have anything to change, as the routine operation, be very easy to grasp, easy to implement, promote.
In the present invention:
Just fill, counter fill the operation alternate cycles be 3~10 times, be preferably 3~5 times, can guarantee that charging performance can shorten the charging interval again preferably.Number of times after a little while, then little, and number of times is when too much with common method difference, change poles (exchange pole plate each time then, just finish fill, anti-exchange of filling) the reducing substances lead sulfate that forms also has little time to be oxidized to brown lead oxide (positive plate active material), and is also unfavorable to changing into.
Controlling preferably, parameter has:
For the first time just the time of filling is 9.5~10.5 hours, preferably with first just the process of filling be divided into two sections controls, with the current charges of 0.1~0.2C/n ampere/sheet 2~2.5 hours, the electric current that changes into then with 0.3~0.5C/n ampere/sheet recharged 7~8.5 hours.Just charging Flow Control after first charging cycle (just fill, counter filling be a circulation) is made as 0.4~0.6C/n ampere/sheet, and just the time of filling is 3~5 hours, generally decides according to the change poles number of times.Anti-groove pressure drop to 1.75~1.85 volt (generally using 5 minutes time, more convenient with time control) that are charged to, the last time of just filling is to change into index or the state that changes into is determined.In the practical operation, the reverse charge Flow Control is made as 0.06~0.2C/n ampere/sheet.Wherein: C is a battery capacity, and n is a positive plate grid number.
Accumulator plate of the present invention changes into technology and has broken convention, taked a kind of opening one's minds, make chemical synthesis technology grasp easily, be convenient to operation, product parameters is met or exceeded require index, and this technology has shortened the time of changing into greatly, has improved production efficiency, has broad prospect for its application.
Embodiment
Be further analyzed and described (experiment is in the permissible error scope inner control of set point) below in conjunction with embodiment.
1, the preparation of pole plate: get tubular plate (having irritated the lead oxide lead powder) or the positive grid of paste spread type on the ordinary production operation.If tubular plate, then should be at first in distilled water the plate ear soaked down 30 minutes, bleed off water then and place (under the general nature condition) again more than 18 hours, stand-by.
2, make plate group: the grid that will handle connects into plate group, puts into battery case.
3, preparation electrolyte: compound concentration is 1.040~1.070 gram/cubic centimetres, be preferably 1.050~1.065 gram/cubic centimetre sulfuric acid solution electrolyte, and iron, manganese and organic substance that will be wherein be controlled at micro-state, promptly is no more than 0.1%, and the content of chloride ion is controlled at below 0.01%.
4, electrolyte is joined (also can be the special container that changes into) in the battery case, liquid level has preferably just flooded the plate ear and has but not exclusively flooded electrode strip.
5, open circuit left standstill 3 hours, balanced internal resistance, and sulfuric acid and PbO are fully permeated and react, so that can generate more lead sulfate.
6, carry out charging operations.
7, charging operations control: undertaken by setting principle, promptly the electric current with 0.2C/n ampere/sheet was just charging 2 hours, and the electric current that changes into then with 0.4C/n ampere/sheet is charged to 10 hours; In the time of 10 hours, fill operation so that the electric current of 0.2C/n ampere/sheet is counter, stop during to groove pressure drop to 1.81 volt, just filling operation again, and electric current was transferred to into 0.6C/n ampere/sheet gradually in the clock time at 20 minutes, grid for different model, numerical value is different, has the ascension in electrolyte of uniform white smoke shape material to rise on the grid crossbeam to be as the criterion to observe, and is big during the charging in 10 hours of the current value ratio of general this moment.At this moment, time with this current charges decides according to the change poles number of times, for example the total charging time plan is 21 hours, and the change poles number of times for greater than, equal at 3 o'clock, then wanted change poles once every 3~4 hours, in 3~4 hours time period, can be about 2 hours with this large current charge time, when if its ability to accept is good, can prolong this section period, and the current value when not being eager to transfer 10 hours to, look the response situation of concrete electrolyte surface,, should change little electric current into and be charged to change poles next time if the air pocket emersion is arranged.A same process of the change poles second time.When its groove pressure drop is 1.82 volts, stop counter filling.Operation for convenience, this time reverse charge stream can be smaller slightly, can prolong the anti-time of filling like this to be convenient to measure.If one group of electrolysis tank should be selected that the fastest groove of groove drops for use, if it is larger, then can finish above operation by the control time, when for example change poles is operated for the first time, but reverse charge stopped in the time of 5 minutes, can instead fill for the second time to stop in 7 minutes, and is identical with operating for the second time for the third time, during groove pressure drop to 1.75~1.85 volt, the time is about 7~8 minutes.The stream that just charging is as the criterion there to be white mist evenly to emerge on the crossbeam.Primary current increases to some extent on the general this moment current ratio, is charged to till the planned time, changes little electric current after also can this big electric current being charged to 2 hours into and is charged to and changes into end, promptly meets four feature: A, even bubble emersion is arranged at electrolyte top; Continuous 2 hours of B, density of electrolyte are constant; C, voltage are at 1.26~1.28 volts; D, pole plate color are even.
Utilize technology of the present invention, can improve the content of brown lead oxide at short notice.The general tubular plate charging interval is more than 48 hours, and employing technology of the present invention, time can be shortened half, even to the difficult glass fiber tube that changes in the reality, also can in 21 hour time, the brown lead oxide amount be reached more than 59%, and common standard be 50%, therefore, technology of the present invention can make positive grid brown lead oxide content improve more than 18%, and negative grid lead content improves more than 28%.Technology of the present invention also can significantly increase β-PbO
2Content, therefore can improve battery capacity greatly.Even adopt this programme under the situation of the time of shortening, the amount of the brown lead oxide that is obtained is height than the amount of the brown lead oxide that common process obtains, and can therefore shorten in the initial charge time of follow-up work like this.The active material utilization of general storage battery is no more than 50%, if after the active material total amount improved, then its actual available active material increased, and makes it increase capacity on the one hand, therefore can increase its gravimetric specific energy on the other hand, promptly alleviate battery weight or dwindle its volume.
Be charged to 10 hours at first electric current that is just filling in the process directly with 0.4C/n ampere/sheet, confirm, also can obtain result preferably through test.
Provide one group of experimental record with D-250 size battery grid below, for the battery grid of other model, just the size difference does not have substantial difference, enumerates no longer one by one.D-250 type battery grid is the positive plate of tubular type of glass fiber tube, terylene comb diameter than the employing of now Duoing is big approximately 1 millimeter, quality is more closely knit than terylene comb, ventilative, water penetration is good not as the terylene comb, practice confirms, be better than the glass fiber tube at this one side terylene comb, therefore the experiment situation with the glass fiber tube illustrates to have better convincingness.
The battery capacity of D-250 size battery is 250Ah, and the grid number of battery pole plates is 10 of positive grids, and 11 of negative grids are 5 of positive grids and present embodiment adopts, 6 of negative grids.
Experimental technique parameter and actual measurement data see Table 1.
Table 1:
Time record current (ampere) groove pressure (volt) electrolyte density temperature (℃) remarks
(g/cm)
14:00 25 3.15 1.056 28
16:00 goes to 50 3.00 1.053 30
24:00 20 drops to 1.80 1.055 35 counter filling
(about 5 minutes)
24:20 71 2.18 1.055 35
1:00 50 2.80 1.056 37
4:00 20 drops to 1.82 1.055 35
(about 7 minutes)
4:20 goes to 84 2.30 1.055 32
5:20 50 2.82 1.055 30
7:30 20 drops to 1.82 1.055 28
(about 7 minutes)
7:50 86 2.80 1.055 27
9:00 30 2.69 1.057 27
11:00 finishes 2.89 1.057 27
Total changes into 21 hours time, not enough original 48 hours half the time, the brown lead oxide content of positive grid has reached 59%, more originally 50% improved 18%, the lead content of negative grid has reached 64%, more originally 50% improved 28%, and the operation of this chemical synthesis technology is basic identical with conventional operation control.
Claims (3)
1, a kind of technology for forming plate electrode of lead-acid accumulator, comprise the preparation of pole plate, the making of plate group, the preparation of electrolyte, group places electrolyte with plate, carry out the pole plate charging operations again, it is characterized in that charging operations be controlled to be just fill a period of time after, insert and instead fill operation, and then just filling operation and finishing charging process; Just fill, the anti-operation alternate cycles 3~10 times of filling; For the first time just the time of filling is 9.5~10.5 hours, first just the process of filling be divided into two sections controls, with the current charges of 0.1~0.2C/n ampere/sheet 2~2.5 hours, the electric current that changes into then with 0.3~0.5C/n ampere/sheet recharged 7~8.5 hours; Just charging stream after first charging cycle is 0.4~0.6C/n ampere/sheet, and just the time of filling is 3~5 hours; Anti-groove pressure drop to 1.75~1.85 volt of being charged to, the last time of just filling is to change into index or the state that changes into is determined; Wherein: C is a battery capacity, and n is a positive plate grid number.
2, technique for making polar plate according to claim 1 is characterized in that reverse charge stream is 0.06~0.2C/n ampere/sheet.
3, technique for making polar plate according to claim 1 and 2, its feature just fill, it is counter that to fill operation alternate cycles number of times be 3~5 times.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB011150114A CN1181578C (en) | 2001-06-07 | 2001-06-07 | Formation process of lead-acid storage battery plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB011150114A CN1181578C (en) | 2001-06-07 | 2001-06-07 | Formation process of lead-acid storage battery plate |
Publications (2)
Publication Number | Publication Date |
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CN1391295A CN1391295A (en) | 2003-01-15 |
CN1181578C true CN1181578C (en) | 2004-12-22 |
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CNB011150114A Expired - Fee Related CN1181578C (en) | 2001-06-07 | 2001-06-07 | Formation process of lead-acid storage battery plate |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100369299C (en) * | 2005-12-30 | 2008-02-13 | 浙江南都电源动力股份有限公司 | Forming method of lead-acid battery electrode plate transplantation |
CN102263307A (en) * | 2011-06-22 | 2011-11-30 | 吉林汇能科技有限公司 | Method for pre-charging and pre-discharging lead acid battery adopting composite anode |
CN103715396B (en) * | 2012-09-29 | 2016-03-02 | 天能电池(芜湖)有限公司 | Technology for forming plate electrode of lead-acid accumulator |
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2001
- 2001-06-07 CN CNB011150114A patent/CN1181578C/en not_active Expired - Fee Related
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