CN103647052B - Accumulator plate drenches acid and preparation method thereof - Google Patents
Accumulator plate drenches acid and preparation method thereof Download PDFInfo
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- CN103647052B CN103647052B CN201310602864.6A CN201310602864A CN103647052B CN 103647052 B CN103647052 B CN 103647052B CN 201310602864 A CN201310602864 A CN 201310602864A CN 103647052 B CN103647052 B CN 103647052B
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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
- H01M4/20—Processes of manufacture of pasted electrodes
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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
- H01M4/04—Processes of manufacture in general
- H01M4/049—Manufacturing of an active layer by chemical means
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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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Abstract
The invention belongs to storage battery manufacturing technology field, be specifically related to a kind of polar plate of lead acid storage battery and drench acid and preparation method thereof.Pole plate of the present invention drenches acid and comprises positive plate pouring acid and negative plate pouring acid, and positive plate drenches the sour raw material comprising following weight portion: sodium carboxymethylcellulose 0.3 ~ 0.8 part, polyethylene glycol 0.5 ~ 1 part, 0.5 ~ 2 part, sodium sulphate, stannous sulfate 0.1 ~ 0.5 part, 3.2 ~ 7.7 parts, sulfuric acid, 88 ~ 94.9 parts, water; Negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.3 ~ 0.8 part, polyethylene glycol 0.5 ~ 1 part, 0.5 ~ 2 part, sodium sulphate, stannous sulfate 0.1 ~ 0.5 part, 7.7 ~ 14.7 parts, sulfuric acid, 81 ~ 90.4 parts, water.The present invention, while controlling the sour density of pouring, significantly improves the performances such as battery recharge, overdischarge, low temperature capacity, useful life.
Description
Technical field
The invention belongs to storage battery manufacturing technology field, be specifically related to a kind of polar plate of lead acid storage battery and drench acid and preparation method thereof.
Background technology
In polar plate of lead acid storage battery production process, need after coated plate to drench sour roll extrusion to plate face, in pouring acid solution, doping can improve the lead plaster water yield of pole plate, make that polar board surface lead plaster intensity improves, polar board surface lead sulfate content is lower, suppress lead sulfate generation, the raising of polar board surface lead plaster electric conductivity etc. in battery discharge procedure, thus improving amount battery combination property.
Coated plate drenches sour production line (see figure 1): 1-1 is coating machine and lead plaster storage bucket; 1-2 is the wet cream pole plate coated; 1-3 is for drenching acid tube, and drenching acid tube lower end has a row or number row 1-10 to drench sour hole, is beneficial to acid and flows to smoothly on the acid press of lower end; 1-4 is acid press, drench above acid tube flow out acid pour on this roller, this roller when roll-in pole plate again sour roll extrusion at polar board surface; 1-5 is three grades of stillpots, and notch has overfall, and the plumbous mud of precipitation is retained, and limpid acid is continued reuse; 1-6 is sour pump, and 1-7 is high-order acid storing tank, and the acid after precipitation is extracted in high-order acid storing tank with sour pump, and then is back to use pouring acid tube (see figure 2) from the extraction of bottom pipeline; 1-8 is polar board surface drying kiln, and power inside heats, and temperature is generally at 150 ~ 200 DEG C, and when pole plate passes through from delivered inside, acid, the water of polar board surface are suitably dried, and make collecting plate below be unlikely to stick together; 1-9 is that pole plate flows out receipts plate, and pole plate transfers out from drying kiln, can collect and forward subsequent processing to again.For further illustrating, acid tube partial enlargement (see figure 2) will be drenched: the pouring acid hole drenching acid tube faces acid press, and drench acid and flow on roller, roller is just bonded at polar board surface acid while pressure pole plate.
The sour density of general pouring is positive plate 1.06 ~ 1.10g/cm
3, negative plate 1.15 ~ 1.20g/cm
3, drench in sour process, polar board surface lead plaster and acid liquid reaction generate lead sulfate (relatively hard), and then enter flash baking kiln (, at 150 ~ 200 DEG C, the drying-plate time was at 30 ~ 60 seconds for temperature), last pole plate goes out drying kiln, receive plate.The water content of the lead plaster pole plate that wets when receiving plate is generally 8 ~ 10%, and then pole plate being delivered to the curing room with certain humidity and temperature and be cured dry 3 days, is then exactly out finished product green plate.
The object of drenching acid makes polar board surface generate harder lead sulfate, is beneficial to out drying kiln and receives plate and be unlikely to stick together; In addition, drying kiln carries out drying to polar board surface makes the quick dehydration of the lead plaster in plate face, is also do not stick together to receive plate simultaneously.Drench sour density in process higher, the sulfuric acid lead layer of looking unfamiliar at plate is thicker; Drench sour density lower, the sulfuric acid lead layer of looking unfamiliar at plate is thinner.
The another one object of drenching acid makes finished product green plate be not easy the dust that drops in assembling cell process.Existing product is mostly be internalized into battery, if it is too high to drench sour density, the follow-up lead sulfate being assembled into cell panel face is not easy to substitute the bad for the good, and equals dead cream non-conductive, and increases resistance.Lead acid battery charge process is: the lead sulfate charging of positive plate converts the brown lead oxide of needs to, the lead sulfate charging of negative plate converts the velvet-like lead of needs to, because positive plate is not easy conversion so to drench sour density as far as possible low, the negative plate positive plate that compares easily is changed, so negative plate drenches sour density ratio positive pole plate hight, the plate face lead sulfate of positive/negative plate is more few in fact is more beneficial to charging.The water content going out flash baking kiln is more high is more beneficial to the free conversion of pole plate in curing room, and the pole plate water content entering curing room is more high is more beneficial to polar plate solidification, and intensity and the oxidation of pole plate are better.
Summary of the invention
Based on above-mentioned consideration, the invention provides a kind of accumulator plate and drench acid and preparation method thereof, while the sour density of pouring is controlled, significantly improve the performances such as battery recharge, overdischarge, low temperature capacity, useful life.
The present invention is achieved through the following technical solutions:
A kind of accumulator plate drenches acid, comprise positive plate and drench acid and negative plate pouring acid, described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.3 ~ 0.8 part, polyethylene glycol 0.5 ~ 1 part, 0.5 ~ 2 part, sodium sulphate, stannous sulfate 0.1 ~ 0.5 part, 3.2 ~ 7.7 parts, sulfuric acid, 88 ~ 94.9 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.3 ~ 0.8 part, polyethylene glycol 0.5 ~ 1 part, 0.5 ~ 2 part, sodium sulphate, stannous sulfate 0.1 ~ 0.5 part, 7.7 ~ 14.7 parts, sulfuric acid, 81 ~ 90.4 parts, water.
Drench acid according to above-mentioned accumulator plate, described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.8 part, polyethylene glycol 0.5 part, 1 part, sodium sulphate, stannous sulfate 0.1 part, 4 parts, sulfuric acid, 93.6 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.8 part, polyethylene glycol 0.5 part, 1 part, sodium sulphate, stannous sulfate 0.1 part, 8 parts, sulfuric acid, 88.6 parts, water.
Drench acid according to above-mentioned accumulator plate, described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.3 part, polyethylene glycol 1 part, 0.5 part, sodium sulphate, stannous sulfate 0.3 part, 5 parts, sulfuric acid, 92.9 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.3 part, polyethylene glycol 1 part, 0.5 part, sodium sulphate, stannous sulfate 0.3 part, 10 parts, sulfuric acid, 87.9 parts, water.
Drench acid according to above-mentioned accumulator plate, described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.5 part, polyethylene glycol 0.7 part, 2 parts, sodium sulphate, stannous sulfate 0.2 part, 4.5 parts, sulfuric acid, 93.1 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.5 part, polyethylene glycol 0.7 part, 2 parts, sodium sulphate, stannous sulfate 0.2 part, 12 parts, sulfuric acid, 84.6 parts, water.
Drench acid according to above-mentioned accumulator plate, described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.4 part, polyethylene glycol 0.7 part, 1.2 parts, sodium sulphate, stannous sulfate 0.5 part, 6 parts, sulfuric acid, 91.2 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.4 part, polyethylene glycol 0.7 part, 1.2 parts, sodium sulphate, stannous sulfate 0.5 part, 9 parts, sulfuric acid, 82.2 parts, water.
Drench acid according to above-mentioned accumulator plate, the density that described positive plate drenches acid is 1.02 ~ 1.05g/cm
3, the density that described negative plate drenches acid is 1.05 ~ 1.10g/cm
3.
Drench acid according to above-mentioned accumulator plate, described sulfuric acid is for analyzing the pure concentrated sulfuric acid.
Drench acid according to above-mentioned accumulator plate, described sulfuric acid weight concentration is 96 ~ 99%, wherein, and Fe content (weight)≤0.0005%, Cl content (weight)≤0.0005%, KMnO
4content (weight)≤0.001%.
Above-mentioned accumulator plate drenches a preparation method for acid, and described positive and negative pole plate drenches acid separately preparation, separately uses, and comprises the following steps:
(1) prepare burden by said components;
(2) first water is joined in the container of acid-resistant and anti-high-temperature, then add sodium carboxymethylcellulose, polyethylene glycol, sodium sulphate and stannous sulfate, finally add the concentrated sulfuric acid, stir immediately;
(3) after temperature is lower than 35 DEG C, namely can use.
positive beneficial effect of the present invention:
(1) the present invention is drenched acid and is made polar board surface moisture loss few, still moisture content 10 ~ 11% after drying kiln;
(2) not haftplatte is drenched when acid makes receipts plate in the present invention, and meanwhile, the dry linting rate of pole plate is also reduced to 0 ~ 0.5% by original 0.5 ~ 1.2%;
(3) adopt the present invention to drench acid, drying kiln temperature can be reduced to 110 ~ 150 DEG C by original 150 ~ 200 DEG C, reduces energy consumption;
(4) adopt the present invention to drench acid, can prevent to occur short circuit during container formation, and the ability to accept recharged after improving battery over-discharge;
(5) adopt the present invention to drench acid, obtained battery can bring up to 75% by 70% of normal temperature capacity the low temperature capacity of-15 DEG C; Battery over-discharge performance brings up to 0.80% by 0.75% of normal capacity;
(6) adopt the present invention to drench acid, can improve the charge acceptance 5% of battery, capacity improves 4%, significantly improves the cycle life of battery, about 8%.
Accompanying drawing explanation
Fig. 1 is that coated plate drenches sour production line structural representation.
Fig. 2 is for drenching acid tube partial enlarged drawing.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in more detail, but the invention is not restricted to these embodiments.
embodiment 1
The present embodiment accumulator plate drenches acid, and comprise positive plate and drench acid and negative plate pouring acid, described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.8 part, polyethylene glycol 0.5 part, 1 part, sodium sulphate, stannous sulfate 0.1 part, 4 parts, sulfuric acid, 93.6 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.8 part, polyethylene glycol 0.5 part, 1 part, sodium sulphate, stannous sulfate 0.1 part, analyzes the pure concentrated sulfuric acid 8 parts, 88.6 parts, water.
It is 1.025g/cm that the present embodiment positive plate drenches sour density
3, it is 1.052g/cm that negative plate drenches sour density
3, the dehydration of high temperature season pole plate should adopt the present embodiment soon.
embodiment 2
The present embodiment accumulator plate drenches acid, and comprise positive plate and drench acid and negative plate pouring acid, described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.3 part, polyethylene glycol 1 part, 0.5 part, sodium sulphate, stannous sulfate 0.3 part, 5 parts, sulfuric acid, 92.9 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.3 part, polyethylene glycol 1 part, 0.5 part, sodium sulphate, stannous sulfate 0.3 part, 10 parts, sulfuric acid, 87.9 parts, water.Described sulfuric acid is for analyzing the pure concentrated sulfuric acid, and weight concentration is 96 ~ 99%.
It is 1.032g/cm that the present embodiment positive plate drenches sour density
3, it is 1.061g/cm that negative plate drenches sour density
3, plate face dry linting, haftplatte should adopt the present embodiment.
embodiment 3
The present embodiment accumulator plate drenches acid, and comprise positive plate and drench acid and negative plate pouring acid, described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.5 part, polyethylene glycol 0.7 part, 2 parts, sodium sulphate, stannous sulfate 0.2 part, 4.5 parts, sulfuric acid, 93.1 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.5 part, polyethylene glycol 0.7 part, 2 parts, sodium sulphate, stannous sulfate 0.2 part, 12 parts, sulfuric acid, 84.6 parts, water.Described sulfuric acid is for analyzing the pure concentrated sulfuric acid, and weight concentration is 96 ~ 99%, wherein, and Fe content (weight)≤0.0005%, Cl content (weight)≤0.0005%, KMnO
4content (weight)≤0.001%.
It is 1.028g/cm that the present embodiment positive plate drenches sour density
3, it is 1.08g/cm that negative plate drenches sour density
3, the electric discharge of battery lead sulfate is easily overflowed, the battery of long-term overdischarge, or the battery used at low temperatures for a long time should adopt the present embodiment.In addition, due to negative plate, to drench sour density high, and the easy haftplatte phenomenon of plate received by negative plate also should adopt the present embodiment.
embodiment 4
The present embodiment accumulator plate drenches acid, and comprise positive plate and drench acid and negative plate pouring acid, described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.4 part, polyethylene glycol 0.7 part, 1.2 parts, sodium sulphate, stannous sulfate 0.5 part, 6 parts, sulfuric acid, 91.2 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.4 part, polyethylene glycol 0.7 part, 1.2 parts, sodium sulphate, stannous sulfate 0.5 part, 9 parts, sulfuric acid, 82.2 parts, water.Described sulfuric acid is for analyzing the pure concentrated sulfuric acid, and weight concentration is 96 ~ 99%, wherein, and Fe content (weight)≤0.0005%, Cl content (weight)≤0.0005%, KMnO
4content (weight)≤0.001%.
It is 1.038g/cm that the present embodiment positive plate drenches sour density
3, it is 1.059g/cm that negative plate drenches sour density
3, the present embodiment has suitable raising to battery charge acceptance, capacity, life-span.In addition, due to positive plate, to drench sour density high, and the easy haftplatte phenomenon of plate received by positive plate should adopt the present embodiment.
embodiment 5
Accumulator plate described in embodiment 1 ~ 4 drenches the preparation method of acid, and described positive and negative pole plate drenches acid separately preparation, separately uses, and comprises the following steps:
(1) prepare burden by said components;
(2) first water is joined in the container of acid-resistant and anti-high-temperature, then add sodium carboxymethylcellulose, polyethylene glycol, sodium sulphate and stannous sulfate, finally add the concentrated sulfuric acid, stir immediately;
(3) after temperature is lower than 35 DEG C, namely can use.
The present invention is not limited to above-mentioned embodiment, and those skilled in the art also can make multiple change accordingly, but to be anyly equal to the present invention or similar change all should be encompassed in the scope of the claims in the present invention.
Claims (6)
1. an accumulator plate drenches acid, comprise positive plate and drench acid and negative plate pouring acid, it is characterized in that: described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.3 ~ 0.8 part, polyethylene glycol 0.5 ~ 1 part, 0.5 ~ 2 part, sodium sulphate, stannous sulfate 0.1 ~ 0.5 part, 3.2 ~ 7.7 parts, sulfuric acid, 88 ~ 94.9 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.3 ~ 0.8 part, polyethylene glycol 0.5 ~ 1 part, 0.5 ~ 2 part, sodium sulphate, stannous sulfate 0.1 ~ 0.5 part, 7.7 ~ 14.7 parts, sulfuric acid, 81 ~ 90.4 parts, water;
The density that described positive plate drenches acid is 1.02 ~ 1.05g/cm
3, the density that described negative plate drenches acid is 1.05 ~ 1.10g/cm
3;
Described sulfuric acid is for analyzing the pure concentrated sulfuric acid;
Described sulfuric acid weight concentration is 96 ~ 99%, wherein, and Fe content (weight)≤0.0005%, Cl content (weight)≤0.0005%, KMnO
4content (weight)≤0.001%.
2. accumulator plate according to claim 1 drenches acid, it is characterized in that: described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.8 part, polyethylene glycol 0.5 part, 1 part, sodium sulphate, stannous sulfate 0.1 part, 4 parts, sulfuric acid, 93.6 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.8 part, polyethylene glycol 0.5 part, 1 part, sodium sulphate, stannous sulfate 0.1 part, 8 parts, sulfuric acid, 88.6 parts, water.
3. accumulator plate according to claim 1 drenches acid, it is characterized in that: described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.3 part, polyethylene glycol 1 part, 0.5 part, sodium sulphate, stannous sulfate 0.3 part, 5 parts, sulfuric acid, 92.9 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.3 part, polyethylene glycol 1 part, 0.5 part, sodium sulphate, stannous sulfate 0.3 part, 10 parts, sulfuric acid, 87.9 parts, water.
4. accumulator plate according to claim 1 drenches acid, it is characterized in that: described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.5 part, polyethylene glycol 0.7 part, 2 parts, sodium sulphate, stannous sulfate 0.2 part, 4.5 parts, sulfuric acid, 93.1 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.5 part, polyethylene glycol 0.7 part, 2 parts, sodium sulphate, stannous sulfate 0.2 part, 12 parts, sulfuric acid, 84.6 parts, water.
5. accumulator plate according to claim 1 drenches acid, it is characterized in that: described positive plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.4 part, polyethylene glycol 0.7 part, 1.2 parts, sodium sulphate, stannous sulfate 0.5 part, 6 parts, sulfuric acid, 91.2 parts, water; Described negative plate drenches the raw material that acid comprises following weight portion: sodium carboxymethylcellulose 0.4 part, polyethylene glycol 0.7 part, 1.2 parts, sodium sulphate, stannous sulfate 0.5 part, 9 parts, sulfuric acid, 82.2 parts, water.
6. accumulator plate described in claim 1 drenches a preparation method for acid, and described positive and negative pole plate drenches acid separately preparation, separately uses, and it is characterized in that, comprises the following steps:
(1) by described feed proportioning;
(2) first water is joined in the container of acid-resistant and anti-high-temperature, then add sodium carboxymethylcellulose, polyethylene glycol, sodium sulphate and stannous sulfate, finally add the concentrated sulfuric acid, stir immediately;
(3) after temperature is lower than 35 DEG C, namely can use.
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| CN201310602864.6A CN103647052B (en) | 2013-11-26 | 2013-11-26 | Accumulator plate drenches acid and preparation method thereof |
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|---|---|---|---|
| CN201310602864.6A CN103647052B (en) | 2013-11-26 | 2013-11-26 | Accumulator plate drenches acid and preparation method thereof |
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| CN103647052B true CN103647052B (en) | 2015-11-18 |
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| CN104466086B (en) * | 2014-11-14 | 2017-04-05 | 浙江天能电池(江苏)有限公司 | A kind of lead accumulator green plate preparation method for reducing floating powder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1819309A (en) * | 2006-01-10 | 2006-08-16 | 赵恒祥 | Production of accumulator polar plate with dilute sulfuric acid soaking |
| CN101877402A (en) * | 2009-09-18 | 2010-11-03 | 华南师范大学 | Negative plate of storage battery and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10208735A (en) * | 1997-01-24 | 1998-08-07 | Japan Storage Battery Co Ltd | Immediately usable lead-acid battery |
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2013
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1819309A (en) * | 2006-01-10 | 2006-08-16 | 赵恒祥 | Production of accumulator polar plate with dilute sulfuric acid soaking |
| CN101877402A (en) * | 2009-09-18 | 2010-11-03 | 华南师范大学 | Negative plate of storage battery and manufacturing method thereof |
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