CN101540389A - Method for injecting colloid electrolyte into lead-acid battery - Google Patents
Method for injecting colloid electrolyte into lead-acid battery Download PDFInfo
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- CN101540389A CN101540389A CN200910097928A CN200910097928A CN101540389A CN 101540389 A CN101540389 A CN 101540389A CN 200910097928 A CN200910097928 A CN 200910097928A CN 200910097928 A CN200910097928 A CN 200910097928A CN 101540389 A CN101540389 A CN 101540389A
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- colloidal electrolyte
- acid solution
- sulfuric acid
- battery
- aerosil
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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
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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
- 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 (7)
1, 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.
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, 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.
5, method for filling according to claim 1 is characterized in that, 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.
6, method for filling according to claim 5 is characterized in that: described high molecular polymer is polyacrylamide, carboxymethyl cellulose and polyvinyl alcohol.
7, method for filling according to claim 1 is characterized in that: described discharging current size is I
2C or I
10C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100979285A CN101540389B (en) | 2009-04-23 | 2009-04-23 | Method for injecting colloid electrolyte into lead-acid battery |
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| CN2009100979285A CN101540389B (en) | 2009-04-23 | 2009-04-23 | Method for injecting colloid electrolyte into lead-acid battery |
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| CN101540389B CN101540389B (en) | 2010-08-11 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887964A (en) * | 2010-06-29 | 2010-11-17 | 超威电源有限公司 | Process for filling colloid into storage battery |
| CN101908609A (en) * | 2010-08-16 | 2010-12-08 | 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 |
| CN107742749A (en) * | 2017-10-31 | 2018-02-27 | 陕西凌云蓄电池有限公司 | A kind of acid-adding method of valve-control sealed lead acid battery |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2009
- 2009-04-23 CN CN2009100979285A patent/CN101540389B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887964A (en) * | 2010-06-29 | 2010-11-17 | 超威电源有限公司 | Process for filling colloid into storage battery |
| CN101887964B (en) * | 2010-06-29 | 2012-10-17 | 超威电源有限公司 | Process for filling colloid into storage battery |
| CN101908609A (en) * | 2010-08-16 | 2010-12-08 | 淄博火炬能源有限责任公司 | Method for infusing colloidal electrolyte in valve-regulated lead acid battery (VRLA) |
| 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 |
| CN107742749A (en) * | 2017-10-31 | 2018-02-27 | 陕西凌云蓄电池有限公司 | A kind of acid-adding method of valve-control sealed lead acid battery |
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| Publication number | Publication date |
|---|---|
| CN101540389B (en) | 2010-08-11 |
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Effective date of registration: 20110825 Address after: 313100 No. 1188, Taihu Avenue, Changxin Economic Development Zone, Zhejiang, Changxing County Co-patentee after: CHANGSHENG ELECTRIC JIANGSU CO.,LTD. Patentee after: Zhejiang Chisen Electric Co.,Ltd. Address before: 313100 No. 1188, Taihu Avenue, Changxin Economic Development Zone, Zhejiang, Changxing County Patentee before: Zhejiang Chisen Electric Co.,Ltd. Effective date of registration: 20110825 Address after: 313100 No. 1188, Taihu Avenue, Changxin Economic Development Zone, Zhejiang, Changxing County Patentee after: Zhejiang Chisen Electric Co.,Ltd. Address before: 313100 Changxin Economic Development Zone, Zhejiang, Changxing County Patentee before: Changxing Chisen Electric Co.,Ltd. |
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