CN101540389B - Method for injecting colloid electrolyte into lead-acid battery - Google Patents
Method for injecting colloid electrolyte into lead-acid battery Download PDFInfo
- Publication number
- CN101540389B CN101540389B CN2009100979285A CN200910097928A CN101540389B CN 101540389 B CN101540389 B CN 101540389B CN 2009100979285 A CN2009100979285 A CN 2009100979285A CN 200910097928 A CN200910097928 A CN 200910097928A CN 101540389 B CN101540389 B CN 101540389B
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- China
- Prior art keywords
- colloidal electrolyte
- acid solution
- sulfuric acid
- battery
- aerosil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000002253 acid Substances 0.000 title claims abstract description 23
- 239000000084 colloidal system Substances 0.000 title abstract description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 66
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 25
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 11
- 230000001186 cumulative effect Effects 0.000 claims description 9
- 229920002401 polyacrylamide Polymers 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 abstract 3
- 235000011149 sulphuric acid Nutrition 0.000 abstract 2
- 239000001117 sulphuric acid Substances 0.000 abstract 2
- 230000000295 complement effect Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000003860 storage Methods 0.000 description 16
- 230000033228 biological regulation Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 230000010412 perfusion Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- -1 easy to prepare Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 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
-
- 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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Abstract
The invention discloses a method for injecting colloid electrolyte into a lead-acid battery, comprising the following steps of: adding sulphuric acid solution into a dry battery, adding a first colloid electrolyte to the upper edge of a polar group after the polar group completely absorbs the sulphuric acid solution and carrying out discharge, charging when the rest amount of the quantity of electricity is 30 to 50%, and using a second colloid solution for complement after the charging is finished. The battery prepared by the injection method has small heat productivity, long service life and lower internal resistance; the capacitance can be reduced to 70%, the charge and discharge can be up to 600 periods, and the self-discharge speed is vey low.
Description
Technical field
The present invention relates to storage battery manufacturing technology field, relate in particular to a kind of method for filling of colloidal electrolyte of lead acid accumulator.
Background technology
The method for filling of colloidal electrolyte is the key factor of decision lead acid accumulator performance, and the method for filling of existing colloidal electrolyte of lead acid accumulator has following several:
1. direct perfusion
With the colloidal electrolyte for preparing, stir cut rare after, pour into battery as soon as possible.This method is suitable for adopting the battery of flat dividing plate or the battery of tubulose positive pole, and the battery for adopting the AGM dividing plate only can make colloidal electrolyte enter battery electrode group equably under the state of vacuumizing.The lead acid accumulator internal resistance made from this method is big, and heavy-current discharge performance is bad, is not suitable for the battery that is used as power.
2. sour earlier back glue method
Sulfuric acid with high concentration adds battery earlier, treats to pour out remaining sulfuric acid after pole plate and dividing plate fully soak, and adds Ludox then.Because the sulfuric acid concentration that adds is higher than the sulfuric acid concentration of battery operated needs earlier, battery temperature is raise, influence battery life.In addition, sulfuric acid and the Ludox mixing uniformity in battery is not easy control.
3. discharge adds the glue method
Add earlier a certain amount of sulfuric acid solution with higher by technological requirement, treat that utmost point group inhales acid and finishes after battery temperature descends, battery is led current discharge with 5h.After treating that discharge finishes, add quantitative Ludox, again battery is charged entirely.The purpose that adopts this method is after battery has been put electricity, and wherein the concentration of sulfuric acid will descend.Can very fast gelling when adding Ludox, help sulfuric acid and Ludox mixes.In charging process, the concentration of electrolyte can constantly raise, and impels the formation of silicon gel.This method is all applicable to the battery that adopts flat dividing plate and AGM dividing plate, though the battery internal resistance of making is lower, battery leaks acid easily.
Summary of the invention
The invention provides a kind of colloidal electrolyte of lead acid accumulator method for filling, it is big that this method has solved the accumulator internal resistance that direct perfusion makes, and discharge adds the lower problem of the life of storage battery that the glue method is made.
A kind of method for filling of colloidal electrolyte of lead acid accumulator may further comprise the steps:
Add sulfuric acid solution in dry battery, treat that utmost point group sucks and add to the utmost point group upper edge and discharging of first colloidal electrolyte behind the sulfuric acid solution, be discharged to the electric weight residue and charged in 30～50% o'clock, supply with second colloidal electrolyte charging back that finishes.
Described sulfuric acid solution addition is preferably utmost point group and inhales 40～90% of sour cumulative volume, and utmost point group inhales sour cumulative volume measuring method and is: excess sulfuric acid solution is added in the battery case, treat to measure when liquid level no longer descends.Utmost point group inhales the sulfuric acid solution cumulative volume-unabsorbed sulfuric acid solution volume of sour cumulative volume=adding.Make the field at battery, before perfusion, generally can inhale sour cumulative volume and test utmost point group.
The weight percent concentration of the sulfuric acid solution that adds is preferably 36～45%.
The described first colloidal electrolyte preparation method is as follows:
Add aerosil in weight percent concentration is 36～45% sulfuric acid solution, makes after stirring, aerosil accounts for 2～10% of the first colloidal electrolyte total weight.This colloidal electrolyte, easy to prepare, colloid is evenly distributed.
The prescription of described second colloidal electrolyte is as follows:
In being 36～45% sulfuric acid solution, weight percent concentration adds aerosil, add high molecular polymer after stirring, wherein aerosil and high molecular polymer account for 3～10% and 0.005～0.01% of the second colloidal electrolyte total weight respectively.
Described high molecular polymer is preferably polyacrylamide, carboxymethyl cellulose and polyvinyl alcohol.
Described discharging current size is I
2C or I
10C, wherein C represents battery capacity, I
2C and I
10C represents that respectively 2h leads and 10h leads discharging current.
The storage battery caloric value of method for filling preparation of the present invention is little, and battery life is long, measures by the GB/T22199-2008 regulation, and its charge and discharge circulation life can reach 500 cycles, and the internal resistance of cell is lower, and self-discharge of battery speed is very little.
Embodiment
Embodiment 1
Add aerosil in the sulfuric acid solution of weight concentration 36%, make first colloidal electrolyte after stirring, wherein aerosil accounts for 8% of the first colloidal electrolyte total weight.
Add aerosil in the sulfuric acid solution of weight concentration 36%, the back that stirs adds polyacrylamide, makes second colloidal electrolyte.Aerosil and polyacrylamide account for 8% and 0.005% of the second colloidal electrolyte total weight respectively.
Get dry state 6DZM10 lead-acid battery of electric vehicle, after tested in every single lattice battery case of present embodiment dry battery utmost point group inhale acid cumulative volume be 100ml, the method for filling of its colloidal electrolyte is as follows:
In every single lattice battery case of dry battery (barrier film with δ 0.45mm double-contracting), add the 50ml weight percent concentration and be 44% sulfuric acid solution, leave standstill 1h to the utmost point the group inhale acid and finish, add 40ml first colloidal electrolyte, remain 50% with 5A constant current discharge to electric weight then, proceed charging, adding 15ml second colloidal electrolyte was supplied after charging was finished, and added a cover to encapsulate on battery case, made complete storage battery.
Performance index such as the battery capacity of above-mentioned storage battery, battery life are tested by GB/T22199-2008＜sealing lead acid storage battery for electric vehicle＞regulation, and the result is as follows:
The time that battery capacity: 5A discharges into 10.5V surpasses 150min.
Life test: the charge and discharge cycles number of times is above 500 times.
When ambient temperature (15～30) ℃, sealed reaction efficient＞95%.
Charged retention performance is excellent, and storage battery was placed 30 days, its 2hr actual capacity＞0.90C
2
Embodiment 2
Add aerosil in the sulfuric acid solution of weight concentration 45%, make first colloidal electrolyte after stirring, wherein aerosil accounts for 6% of the first colloidal electrolyte total weight.。
Add aerosil in the sulfuric acid solution of weight concentration 45%, the back that stirs adds carboxymethyl cellulose, makes second colloidal electrolyte, and aerosil and carboxymethyl cellulose account for 6% and 0.01% of the second colloidal electrolyte total weight respectively.
Get dry state 8DZM20 lead-acid battery of electric vehicle, after tested in every single lattice battery case of present embodiment dry battery utmost point group inhale acid cumulative volume be 180ml, the method for filling of its colloidal electrolyte is as follows:
Adding 120ml weight percent concentration is 44% sulfuric acid solution in every single lattice battery case of dry battery, leave standstill 1h to the utmost point the group inhale acid and finish, add 50ml first colloidal electrolyte, remain 30% with 10A constant current discharge to electric weight then, proceed charging, adding 30ml second colloidal electrolyte was supplied after charging was finished, and added a cover to encapsulate on battery case, made complete storage battery.
Performance index such as the battery capacity of above-mentioned storage battery, battery life are tested by GB/T22199-2008＜sealing lead acid storage battery for electric vehicle＞regulation, and the result is as follows:
The time that battery capacity: 10A discharges into 14V surpasses 130min.
Life test: the charge and discharge cycles number of times is above 350 times.
When ambient temperature (15～30) ℃, sealed reaction efficient＞95%.
Charged retention performance is excellent, and storage battery was placed 30 days, its 2hr actual capacity＞0.90C
2
Embodiment 3
Add aerosil in the sulfuric acid solution of weight concentration 36%, make first colloidal electrolyte after stirring, aerosil accounts for 8 of the second colloidal electrolyte total weight.
In the sulfuric acid solution of weight concentration 36%, add 8% aerosil, back adding polyacrylamide stirs, make second colloidal electrolyte, wherein aerosil and polyacrylamide account for 8% and 0.005% of the second colloidal electrolyte total weight respectively.
Get dry state 12V/120Ah sealed lead acid storage battery, after tested in every single lattice battery case of present embodiment dry battery utmost point group inhale acid cumulative volume be 1150ml, the method for filling of its colloidal electrolyte is as follows:
Adding 700ml weight percent concentration is 42% sulfuric acid solution in every single lattice battery case of dry battery, leave standstill 4h to the utmost point the group inhale acid and finish, add 350ml first colloidal electrolyte, remain 10% with 12A constant current discharge to electric weight then, proceed charging, adding 200ml second colloidal electrolyte was supplied after charging was finished, and added a cover to encapsulate on battery case, made complete storage battery.
Performance index such as the battery capacity of above-mentioned storage battery, battery life are tested with valve controlling sealed colloid storage battery＞regulation by YD/T1360-2005＜communication, and the result is as follows:
The time that battery capacity: 12A discharges into 10.8V surpasses 10h.
The internal resistance of cell＜10m Ω
When ambient temperature (15～30) ℃, sealed reaction efficient＞95%.
Charged retention performance is excellent, and storage battery was placed actual capacity＞96% 30 days at 25 ℃.
Claims (4)
1. the method for filling of a colloidal electrolyte of lead acid accumulator may further comprise the steps:
Add sulfuric acid solution in dry battery, treat that utmost point group sucks and add to the utmost point group upper edge and discharging of first colloidal electrolyte behind the sulfuric acid solution, be discharged to the electric weight residue and charged in 30～50% o'clock, supply with second colloidal electrolyte charging back that finishes;
The described first colloidal electrolyte preparation method is as follows:
Add aerosil in weight percent concentration is 36～45% sulfuric acid solution, makes after stirring, aerosil accounts for 2～10% of the first colloidal electrolyte total weight;
The prescription of described second colloidal electrolyte is as follows:
In being 36～45% sulfuric acid solution, weight percent concentration adds aerosil, back adding high molecular polymer stirs, wherein aerosil and high molecular polymer account for 3～10% and 0.005～0.01% of the second colloidal electrolyte total weight respectively, and described high molecular polymer is polyacrylamide, carboxymethyl cellulose or polyvinyl alcohol.
2. method for filling according to claim 1 is characterized in that: described sulfuric acid solution addition is inhaled 40～90% of sour cumulative volume for utmost point group.
3. method for filling according to claim 1 is characterized in that: described sulfuric acid solution weight percent concentration is 36～45%.
4. method for filling according to claim 1 is characterized in that: described discharging current size leads for 2h or 10h leads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100979285A CN101540389B (en) | 2009-04-23 | 2009-04-23 | Method for injecting colloid electrolyte into lead-acid battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100979285A CN101540389B (en) | 2009-04-23 | 2009-04-23 | Method for injecting colloid electrolyte into lead-acid battery |
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| CN101540389A CN101540389A (en) | 2009-09-23 |
| CN101540389B true CN101540389B (en) | 2010-08-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394319A (en) * | 2011-11-03 | 2012-03-28 | 广西天鹅蓄电池有限责任公司 | Colloidal electrolyte of storage battery |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887964B (en) * | 2010-06-29 | 2012-10-17 | 超威电源有限公司 | Process for filling colloid into storage battery |
| CN101908609B (en) * | 2010-08-16 | 2012-07-25 | 淄博火炬能源有限责任公司 | Method for infusing colloidal electrolyte in valve-regulated lead acid battery (VRLA) |
| CN103618116A (en) * | 2013-12-10 | 2014-03-05 | 北京清大环科电源技术有限公司 | Internal formation technology for colloid of lead-acid battery |
| CN106785083A (en) * | 2015-11-25 | 2017-05-31 | 衡阳瑞达电源有限公司 | A kind of preparation method of colloid storage battery |
| CN106785084A (en) * | 2015-11-25 | 2017-05-31 | 衡阳瑞达电源有限公司 | A kind of colloid storage battery plus gluing method |
| CN107742749B (en) * | 2017-10-31 | 2019-12-03 | 陕西凌云蓄电池有限公司 | A kind of acid-adding method of valve-control sealed lead acid battery |
-
2009
- 2009-04-23 CN CN2009100979285A patent/CN101540389B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394319A (en) * | 2011-11-03 | 2012-03-28 | 广西天鹅蓄电池有限责任公司 | Colloidal electrolyte of storage battery |
| CN102394319B (en) * | 2011-11-03 | 2013-04-17 | 广西天鹅蓄电池有限责任公司 | Colloidal electrolyte of storage battery |
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| Publication number | Publication date |
|---|---|
| CN101540389A (en) | 2009-09-23 |
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