CN101673843B - Lead-acid battery formation method - Google Patents
Lead-acid battery formation method Download PDFInfo
- Publication number
- CN101673843B CN101673843B CN2009100757561A CN200910075756A CN101673843B CN 101673843 B CN101673843 B CN 101673843B CN 2009100757561 A CN2009100757561 A CN 2009100757561A CN 200910075756 A CN200910075756 A CN 200910075756A CN 101673843 B CN101673843 B CN 101673843B
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- China
- Prior art keywords
- acid
- electrolyte
- battery
- sulfuric acid
- temperature
- 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.)
- Expired - Fee Related
Links
- 239000002253 acid Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000003792 electrolyte Substances 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 230000010412 perfusion Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000013543 active substance Substances 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000011149 active material Substances 0.000 description 8
- 239000011265 semifinished product Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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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
Abstract
The invention relates to a lead-acid battery formation method which is used for solving the problems that the temperature reduction effect of electrolyte is unsatisfactory and the production efficiency is affected. The technical scheme is characterized in that the lead-acid battery formation method comprises the steps of battery assembly, electrolyte filling and power supply formation, after the improvement, the dilute sulfuric acid electrolyte with the density of 1.200-1.300g/cm<3> prepared at the temperature of 25 DEG C is firstly cooled to the temperature of 5-20 DEG C during the step of electrolyte filling, and then the cooled dilute sulfuric acid is used for quantitative acid filling. The lead-acid battery formation method can ensure that the reaction temperature of a green plate and the dilute sulfuric acid electrolyte is lower than the temperature of 50 DEG C during the acid filling of a semi-finished battery and effectively prevent active substances from shedding off due to high temperature. Compared with the traditional formation method, the content of the active substances of the plate is higher by above 5%, the initial capacity is higher by above 10%, and the low-temperature starting time is prolonged by 5-30s.
Description
Technical field
Type of the present invention relates to a kind of storage battery production method, particularly can reduce the lead-acid battery formation method that green plate and dilute sulfuric acid produce a large amount of reaction heat, belongs to the battery technology field.
Background technology
The storage battery formation process is a very important operation in the lead acid accumulator production process, is the process that forms active material on pole plate.Formation process will be chemically examined qualified green plate by pack into battery case sealing of technological requirement, dress up the semi-finished product battery; Then with certain density dilute sulfuric acid in accordance with regulations quantity pour into battery; Again after placing in accordance with regulations parameter feed electric current, carry out electrochemical reaction, the chemical substance that generation can discharge and recharge generates PbO on positive plate
2, on negative plate, generate spongiform Pb simultaneously.The composition of green plate mainly is basic lead sulphate, lead oxide and a spot of free lead and moisture.In addition, use sulfuric acid as electrolyte in the storage battery, its molecular weight is 98.08, density is 1.8384g/cm3 (15 ℃), when sulfuric acid is injected in the battery when contacting with green plate by acid filling machine, chemical substance in the green plate will and sulfuric acid between carry out chemical reaction, these reactions are exothermic reactions, its result causes the temperature in the battery case to raise fast.When the temperature in the battery case was lower than 5 ℃, the active material on the negative plate came off easily, and the peeling phenomenon then takes place positive plate; If but electrolyte temperature surpasses 50 ℃, gassing aggravation when reaction, the adhesion between grid and active material, between the active material will reduce, and easily causes coming off of active material, influences the useful life of battery.Common temperature at the initial stage electrolyte that battery changes into is the highest can to reach 65 ℃, this also is the problem that battery changes into existence, in order to address this problem, generally take at present water-bath to cool, reduce the method for battery forming current in process of production, but rely on said method to reduce electrolyte temperature, need a large amount of cooling circulating waters, need to increase the fund input of cooling device and circular treatment equipment, because the loss of water also need continuous supplementing water, and cooling effect is not satisfactory.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defective of above-mentioned prior art and a kind of lead-acid battery formation method is provided, and this method both can reduce a large amount of reaction heat that green plate and dilute sulfuric acid produce, and can enhance productivity again, reduce production costs.
The alleged problem of the present invention is solved by following technical scheme:
A kind of lead-acid battery formation method, it comprises battery assembling, electrolyte perfusion, becomes step for electrification, and its special feature is that in electrolyte perfusion step, the density that will prepare under 25 ℃ of conditions is 1.200-1.300g/cm
3Dilute sulfuric acid electrolyte, be cooled to 5-20 ℃ earlier, and then with cooled dilute sulfuric acid quantitatively irritate acid.
Above-mentioned lead-acid battery formation method, described cooling dilute sulfuric acid electrolyte is lowered the temperature with the circulation type of cooling in cold sour machine, cooled time 10-24 hour, then cooled dilute sulfuric acid electrolyte is transported to acid filling machine by the insulation conveyance conduit and carries out quantitative perfusion, irritate and to put into cooling circulating water after the acid and carry out the water-bath cooling, and irritate acid at battery and carry out becoming in 1.5 hours to electrification.
The present invention is directed to traditional storage battery formation process electrolyte temperature, to reduce effect undesirable and influence production efficiency problem and improve, adopt the inventive method, in the time of can guaranteeing the acid of semi-finished product cell basin irrigation, green plate and dilute sulfuric acid electrolyte reaction temperature are lower than 50 ℃, prevented that effectively active material is owing to coming off that high temperature causes, when battery changes into, help between the enhanced activity material, the adhesion between active material and the grid, improve adhesive strength and actual formation efficiency.This method is compared with traditional den process, and plate active material content exceeds more than 5%, and initial capacity exceeds more than 10%, the cold-starting time lengthening 5-30s.As seen, the inventive method has also improved the initial performance of storage battery when enhancing productivity.
Embodiment
The present invention is that the temperature of the initial stage electrolyte that prevents that battery from changing into raises rapidly, and is first to its processing that cools before the sulfuric acid electrolyte perfusion, cools and carries out on cold sour machine.The dilute sulfuric acid electrolyte temperature for preparing is generally more than 35 ℃, and by open cold acid machine dilute sulfuric acid electrolyte being circulated cools.It is exactly to utilize cold sour machine pipeline with the cooling of circulation limit, dilute sulfuric acid limit that so-called circulation cools, to reach the purpose that reduces the dilute sulfuric acid temperature.Move 10-24 hour according to the consumption difference of the dilute sulfuric acid of being prepared temperature is reduced to below 20 ℃, but can not be lower than 5 ℃, temperature is crossed to hang down and will be unfavorable for that battery changes into, and reduces the effect that changes into.Test shows that the temperature that control perfusion battery changes into the sulfuric acid electrolyte of usefulness is fit closely temperature at 5-20 ℃.To in time battery be sent in the water bath after irritating acid, after filling water bath, should put into cooling circulating water immediately and carry out the water-bath cooling, and guarantee that irritating acid at battery carries out becoming to electrification in 1.5 hours, the corrosion layer generation passivation that makes grid in the electrolyte to avoid pole plate to be immersed in, increase the internal resistance of cell, be unfavorable for the effect that battery changes into, finally can have influence on the serviceability of battery.
Contrast test data shown in the table 1 show feasibility of the present invention and actual effect.Test adopt respectively three kinds of temperature dilute sulfuric acid electrolyte+5 ℃ ,+15 ℃ ,+40 ℃ of used dilute sulfuric acid electrolytes compare when 20 ℃ and traditional handicraft.
Table 1:
Below provide several specific embodiments:
Embodiment 1: chemically examine qualified green plate by pack into battery case sealing of technological requirement, dress up the semi-finished product battery; Is 1.200g/cm with what prepare 25 ℃ of condition lower densities
3Dilute sulfuric acid electrolyte cooled 10 hours in cold sour machine circulation, be cooled to 20 ℃, and then cooled dilute sulfuric acid electrolyte is filled in 6-QW-54a (E) battery, irritate the acid amount and be 600ml, deviation is ± 10ml, battery sent in the water bath after irritating acid, fill water bath after, put into cooling circulating water immediately and carry out the water-bath cooling, irritate in sour 1.5 hours at battery and carry out becoming to electrification.
Embodiment 2: chemically examine qualified green plate by pack into battery case sealing of technological requirement, dress up the semi-finished product battery; Is 1.300g/cm with what prepare 25 ℃ of condition lower densities
3Dilute sulfuric acid electrolyte cooled 24 hours in cold sour machine circulation, be cooled to 5 ℃, and then cooled dilute sulfuric acid electrolyte is filled in 6-QW-54a (E) battery, irritate the acid amount and be 600ml, deviation is ± 10ml, battery sent in the water bath after irritating acid, fill water bath after, put into cooling circulating water immediately and carry out the water-bath cooling, irritate in sour 1.5 hours at battery and carry out becoming to electrification.
Embodiment 3: chemically examine qualified green plate by pack into battery case sealing of technological requirement, dress up the semi-finished product battery; Is 1.250g/cm with what prepare 25 ℃ of condition lower densities
3Dilute sulfuric acid electrolyte cooled 18 hours in cold sour machine circulation, be cooled to 15 ℃, and then cooled dilute sulfuric acid electrolyte is filled in 6-QW-54a (E) battery, irritate the acid amount and be 600ml, deviation is ± 10ml, battery sent in the water bath after irritating acid, fill water bath after, put into cooling circulating water immediately and carry out the water-bath cooling, irritate in sour 1.5 hours at battery and carry out becoming to electrification.
Above embodiment, its Performance Detection is as shown in table 1.
Claims (2)
1. lead-acid battery formation method, it comprise battery assembling, electrolyte perfusion, become step for electrification, it is characterized in that in electrolyte perfusion step, the density that will prepare is 1.200-1.300g/cm under 25 ℃ of conditions
3Dilute sulfuric acid electrolyte, be cooled to 5-20 ℃ earlier, and then with cooled dilute sulfuric acid quantitatively irritate acid.
2. lead-acid battery formation method according to claim 1, it is characterized in that: described cooling dilute sulfuric acid electrolyte is lowered the temperature with the circulation type of cooling in cold sour machine, cooled time 10-24 hour, then cooled dilute sulfuric acid electrolyte is transported to acid filling machine by the insulation conveyance conduit and carries out quantitative perfusion, irritate and to put into cooling circulating water after the acid and carry out the water-bath cooling, and irritate acid at battery and carry out becoming in 1.5 hours to electrification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100757561A CN101673843B (en) | 2009-10-21 | 2009-10-21 | Lead-acid battery formation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100757561A CN101673843B (en) | 2009-10-21 | 2009-10-21 | Lead-acid battery formation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101673843A CN101673843A (en) | 2010-03-17 |
| CN101673843B true CN101673843B (en) | 2011-06-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100757561A Expired - Fee Related CN101673843B (en) | 2009-10-21 | 2009-10-21 | Lead-acid battery formation method |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709515A (en) * | 2012-06-18 | 2012-10-03 | 江苏理士电池有限公司 | Acid filling method of lead-acid storage battery |
| CN103346361A (en) * | 2013-06-26 | 2013-10-09 | 双登集团股份有限公司 | Container formation method of glass fiber adsorption type valve-controlled lead storage batteries |
| CN103618115A (en) * | 2013-12-10 | 2014-03-05 | 北京清大环科电源技术有限公司 | Internal formation technology without cooling water of lead-acid battery |
| CN105226332B (en) * | 2015-09-30 | 2017-12-01 | 风帆有限责任公司 | A kind of method for controlling valve-control sealed lead acid battery oxygen blast cyanidation |
| CN110931892A (en) * | 2019-11-08 | 2020-03-27 | 湖北双登润阳新能源有限公司 | Acid injection and formation method for 12V 20-150 Ah lead-acid storage battery |
| CN113285184A (en) * | 2021-04-16 | 2021-08-20 | 安徽超威电源有限公司 | Acid adding method for improving acid specific gravity of valve-controlled lead-acid storage battery separator |
| CN113745669A (en) * | 2021-09-18 | 2021-12-03 | 四川大学 | Lead-acid storage battery ionic liquid electrolyte and preparation method thereof |
| CN114361609A (en) * | 2021-12-10 | 2022-04-15 | 安徽力普拉斯电源技术有限公司 | High-temperature-resistant acid adding process for container formation of power battery |
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2009
- 2009-10-21 CN CN2009100757561A patent/CN101673843B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101673843A (en) | 2010-03-17 |
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Effective date of registration: 20160719 Address after: 071057 Hebei province Baoding Fuchang Road No. 8 Patentee after: FENGFAN Co.,Ltd. Address before: 071057 Hebei province Baoding Fuchang Road No. 8 Patentee before: FENGFAN Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 |