CN103943832A - Electrode plate solidification technology for energy storage lead-acid battery - Google Patents
Electrode plate solidification technology for energy storage lead-acid battery Download PDFInfo
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- CN103943832A CN103943832A CN201410111986.XA CN201410111986A CN103943832A CN 103943832 A CN103943832 A CN 103943832A CN 201410111986 A CN201410111986 A CN 201410111986A CN 103943832 A CN103943832 A CN 103943832A
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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
- H01M4/21—Drying 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
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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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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to an electrode plate solidification technology for energy storage lead-acid battery. The solidification technology comprises a moisture retention phase, a thermal insulation solidification phase, and a drying phase; wherein in the moisture retention phase, water steam containing hydrogen peroxide is introduced into the system, and in the thermal insulation solidification phase, water steam containing ozone is introduced into the system. Through the solidification technology, electrode plates are produced, and the electrode plates are assembled into batteries. The circulation service life of the batteries is prominently prolonged. The battery capacity is basically not changed by the high temperature solidification. The battery can be charged for 1600 times or more in a cyclic charging mode of insufficient charging and sufficient charging, and overcharging and insufficient discharging, and no mud appears on the electrode plate surface. The technology is an ideal solidification mode for energy storage battery.
Description
Technical field
The present invention relates to storage battery field, be specifically related to a kind of lead acid accumulator lead acid accumulator polar plate solidification technique for applicable energy storage in useful life that improves.
Background technology
Lead-acid battery (Lead-acid battery) electrode is mainly made by lead and oxide thereof, and electrolyte is a kind of storage battery of sulfuric acid solution.From Frenchman Pulan, special (G.Plante) was in invention lead acid accumulator in 1859, experienced the development course of nearly 150 years, lead acid accumulator is aspect theoretical research, at aspects such as product category and kind, product electric properties, all obtained significant progress, no matter be in traffic, communication, electric power, military affairs or in navigation, each economic field of aviation, lead acid accumulator has all played indispensable important function.In recent years, along with the acceleration of urbanization and the expansion of city scope, the magnitude of traffic flow increases severely.Although the development of the vehicles such as automobile is rapidly, be subject to using the impact of the factors such as the relatively costly and rise of the oil price of price, make electric bicycle with its advantage such as spry and light, convenient, cheap, city's field depth is subject to consumers in general's welcome at home.Lead acid accumulator is because cost performance is high, power characteristic is good, and self discharge is little, low price, the application of having got back in electric bicycle in recent years.
Lead acid accumulator is internalized into from simplifying the angle of operating procedure step and energy efficient, minimizing discharge and is worthy to be popularized, and formulates rational container formation production technology, is the key of carrying out container formation.Being internalized into lead-acid accumulator green produces technology for making and is developed so far, its chemical synthesis technology is still continued to use traditional multistage direct current formation regime so far mostly, battery formation efficiency is low, production cycle is long, Ye You minority producer adopts pulse technique, be that positive negative pulse stuffing or intermittent pulse change into, but be not promoted so far.For being internalized into lead acid accumulator, characteristic due to lead-calcium alloy, for guaranteeing its cycle life, packaging technology will guarantee absolute tight assembling, causes thus pole plate, the dividing plate of inside battery to inhale sour saturation all relatively low, under this lean solution state, change into, internal resistance is higher, is unfavorable for the diffusion of electrolyte and temperature, and battery changes into that difficulty is large, efficiency is low, it is long to change into the cycle, and high-voltage charge changes into the corrosion that has aggravated grid for a long time, shortened the useful life of battery.
At present, according to Chinese Ministry of Environmental Protection, to lead acid accumulator industry requirement, be internalized into the direction that processing storage battery mode is following industry.Energy storage is mainly used in garden lamp, the illumination of street lamp lamp with lead acid accumulator.Battery cycle life is mostly 300 left and right, and energy storage is used about 1 year and just needed to change with lead acid accumulator user.As battery polar plate solidification mode and solidification effect, very big to the performance impact of storage battery.Adopt bad curing mode, will bring the early stage capacitance loss of pole plate PCL().Bring very large technology barrier to the new forms of energy market demand.
China Patent Publication No. CN101459258A, open day on June 17th, 2009, name is called internal chemical synthetic reverse charging chemical process for lead acid battery, this application case discloses a kind of internal chemical synthetic reverse charging chemical process for lead acid battery, the acid filling or encapsulating step and the charge step that comprise lead acid accumulator, after acid filling or encapsulating step complete and before charge step, battery is carried out to reverse charging.Its weak point is, although the method can improve the conductivity between grid and active material, circulating battery is low useful life.
Summary of the invention
The object of the invention is to fail in early days in order to solve existing lead acid accumulator, a kind of be adapted at carrying out under various ambient temperatures charge and discharge cycles, the lead acid accumulator polar plate solidification technique for applicable energy storage that battery cycle life is high are provided compared with low defect useful life.
To achieve these goals, the present invention is by the following technical solutions:
A lead acid accumulator polar plate solidification technique for applicable energy storage, described curing process comprises moisturizing stage, heat preservation solidification stage and drying stage; In the moisturizing stage, pass into the steam that contains hydrogen peroxide; In the heat preservation solidification stage, pass into and contain steam ozoniferous.
As preferably, the moisturizing stage comprises the following steps: 1) temperature 40-45 ℃, relative humidity 100%, curing time 10h;
2) temperature 50-55 ℃, relative humidity 100%, curing time 6h, passing into containing mass fraction is the steam of 0.05%-0.09% hydrogen peroxide;
3) temperature 60-65 ℃, relative humidity 98%, curing time 8h, passing into containing mass fraction is the steam of 0.05%-0.09% hydrogen peroxide.In the technical program, what this stage adopted is the interim curing temperature that improves, and relative humidity is controlled at 98-100%, and the object of this scheme is that pole plate moisture is fully contacted with lead plaster, make to form stable network configuration between grid and lead plaster, the intensity of pole plate is played to very crucial effect; Pass into the object of the steam that contains hydrogen peroxide, the one, in order to keep humidity, the 2nd, for accelerated oxidation.
As preferably, the heat preservation solidification stage comprises the following steps: 1) under the environment of relative humidity 95%, and static 4h;
2) temperature 50-55 ℃, relative humidity 90%, curing time 5h, passing into containing mass fraction is 0.1%-0.5% steam ozoniferous;
3) temperature 50-55 ℃, relative humidity 80%, curing time 5h, passing into containing mass fraction is 0.1%-0.5% steam ozoniferous;
4) temperature 50-55 ℃, relative humidity 70%, curing time 8h, passing into containing mass fraction is 0.1%-0.5% steam ozoniferous;
5) temperature 60-65 ℃, relative humidity 50%, curing time 8h.
In the technical program, this stage adopts metastable temperature to be cured pole plate, but relative humidity reduces gradually, make in pole plate ozone in lead plaster and air fully be oxidized, this stage is that free lead declines the fastest stage, the inner free lead content of pole plate drops to approximate 2-5% from 15%, between lead plaster and grid, form firmly corrosion layer, there is the intensity of high-quality, from one meter of height, freely falling body drops in ground grading, and the lead plaster that comes off accounts for pole plate weight≤1%; Because of pole plate lead plaster, that oxidation reaction occurs between 70-90% is the fastest, and improving temperature can accelerated reaction process; Pass into the object that contains steam ozoniferous, the one, in order to keep humidity, the 2nd, ozone provides reflection required oxygen, in order to accelerate the oxidation of lead plaster, and stop passing in step 5), is in order to allow humidity remain on 50%.
As preferably, drying stage temperature 75-80 ℃, relative humidity 0%, curing time 15h.In the technical program, this temperature makes pole plate dry in the short period of time, and temperature is low, can extend drying time, excess Temperature, and because pole plate lead plaster main component is that burning is plumbous, the impact of being expanded with heat and contract with cold, when going out curing room, easily there is crackle in pole plate.
As preferably, pole plate, before entering curing room, requires to solidify flooring moistening with watering, solidifies indoor temperature and controls 40-45 ℃, and relative humidity is controlled at >=and 95%.
As preferably, pole plate, after coated plate, enters before curing room, rests on outdoor time≤15min, and positive lead plaster moisture control is at >=100g/kg lead plaster, and negative lead plaster moisture control is at >=90g/kg lead plaster.
As preferably, anode diachylon apparent density is controlled at 4.20-4.35g/ml, and cathode lead plaster apparent density is controlled at 4.30-4.45g/ml.
As preferably, solidify rear positive plate lead plaster free lead content≤2.5%, negative plate lead plaster free lead content≤4%.
As preferably, steam intake is 1.2-1.5L/h.
The invention has the beneficial effects as follows by curing process of the present invention, manufacture pole plate, be assembled into battery, the resistance to cycle life of battery obviously improves, battery initial capacity ratio is not because there is difference in hot setting, dive to fill deeply and put, overcharge the shallow stack cycle life of putting more than 1600 times, there is not argillization phenomenon in polar board surface, is the desirable curing mode of energy-storage battery.
Accompanying drawing explanation
Fig. 1 is the lead acid accumulator circulation discharge curve of the embodiment of the present invention 1 preparation.
Embodiment
In order further to understand the present invention, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these are described is in order to further illustrate the features and advantages of the present invention, rather than limiting to the claimed invention.
Embodiment 1
A lead acid accumulator polar plate solidification technique for applicable energy storage, described curing process comprises moisturizing stage, heat preservation solidification stage and drying stage;
The moisturizing stage comprises the following steps: 1) temperature is 40 ℃, relative humidity 100%, curing time 10h;
2) temperature 50 C, relative humidity 100%, curing time 6h, passing into containing mass fraction is the steam of 0.05% hydrogen peroxide;
3) temperature 60 C, relative humidity 98%, curing time 8h, passing into containing mass fraction is the steam of 0.07 hydrogen peroxide;
The heat preservation solidification stage comprises the following steps:
1) under the environment of relative humidity 95%, static 4h;
2) temperature 50 C, relative humidity 90%, curing time 5h, passing into containing mass fraction is 0.1% steam ozoniferous;
3) temperature 50 C, relative humidity 80%, curing time 5h, passing into containing mass fraction is 0.2% steam ozoniferous;
4) temperature 50 C, relative humidity 70%, curing time 8h, passing into containing mass fraction is 0.1% steam ozoniferous;
5) temperature 60 C, relative humidity 50%, curing time 8h;
75 ℃ of drying stage temperature, relative humidity 0%, curing time 15h.Wherein, steam intake is 1.2L/h.
Pole plate, before entering curing room, require to solidify flooring moistening with watering, solidifies indoor temperature and controls 40 ℃, and relative humidity is controlled at >=and 95%; Pole plate, after coated plate, enters before curing room, rests on outdoor time≤15min, and positive lead plaster moisture control is at >=100g/kg lead plaster, and negative lead plaster moisture control is at >=90g/kg lead plaster; Anode diachylon apparent density is controlled at 4.20g/ml, and cathode lead plaster apparent density is controlled at 4.30g/ml; Positive plate lead plaster free lead content≤2.5% after solidifying, negative plate lead plaster free lead content≤4%.
Embodiment 2
A lead acid accumulator polar plate solidification technique for applicable energy storage, described curing process comprises moisturizing stage, heat preservation solidification stage and drying stage;
The moisturizing stage comprises the following steps: 1) temperature is 43 ℃, relative humidity 100%, curing time 10h;
2) temperature is 52 ℃, relative humidity 100%, curing time 6h, passing into containing mass fraction is the steam of 0.07% hydrogen peroxide;
3) temperature is 63 ℃, relative humidity 98%, curing time 8h, passing into containing mass fraction is the steam of 0.08% hydrogen peroxide.
The heat preservation solidification stage comprises the following steps:
1) under the environment of relative humidity 95%, static 4h;
2) temperature is 51 ℃, relative humidity 90%, curing time 5h, passing into containing mass fraction is 0.2% steam ozoniferous;
3) temperature is 52 ℃, relative humidity 80%, curing time 5h, passing into containing mass fraction is 0.5% steam ozoniferous;
4) temperature is 53 ℃, relative humidity 70%, curing time 8h, passing into containing mass fraction is 0.5% steam ozoniferous;
5) temperature is 62 ℃, relative humidity 50%, curing time 8h;
78 ℃ of drying stage temperature, relative humidity 0%, curing time 15h.Wherein, steam intake is 1.3L/h.
Pole plate, before entering curing room, require to solidify flooring moistening with watering, solidifies indoor temperature and controls 45 ℃, and relative humidity is controlled at >=and 95%; Pole plate, after coated plate, enters before curing room, rests on outdoor time≤15min, and positive lead plaster moisture control is at >=100g/kg lead plaster, and negative lead plaster moisture control is at >=90g/kg lead plaster; Anode diachylon apparent density is controlled at 4.30g/ml, and cathode lead plaster apparent density is controlled at 4.35g/ml; Positive plate lead plaster free lead content≤2.5% after solidifying, negative plate lead plaster free lead content≤4%.
Embodiment 3
A lead acid accumulator polar plate solidification technique for applicable energy storage, described curing process comprises moisturizing stage, heat preservation solidification stage and drying stage;
The moisturizing stage comprises the following steps: 1) temperature 45 C, relative humidity 100%, curing time 10h;
2) temperature is 55 ℃, relative humidity 100%, curing time 6h, passing into containing mass fraction is the steam of 0.09% hydrogen peroxide;
3) temperature is 65 ℃, relative humidity 98%, curing time 8h, passing into containing mass fraction is the steam of 0.09% hydrogen peroxide.
The heat preservation solidification stage comprises the following steps:
1) under the environment of relative humidity 95%, static 4h;
2) temperature is 55 ℃, relative humidity 90%, curing time 5h, passing into containing mass fraction is 0.5% steam ozoniferous;
3) temperature is 55 ℃, relative humidity 80%, curing time 5h, passing into containing mass fraction is 0.4% steam ozoniferous;
4) temperature is 55 ℃, relative humidity 70%, curing time 8h, passing into containing mass fraction is 0.4% steam ozoniferous;
5) temperature is 65 ℃, relative humidity 50%, curing time 8h;
80 ℃ of drying stage temperature, relative humidity 0%, curing time 15h.Wherein, steam intake is 1.5L/h.
Pole plate, before entering curing room, require to solidify flooring moistening with watering, solidifies indoor temperature and controls 45 ℃, and relative humidity is controlled at >=and 95%; Pole plate, after coated plate, enters before curing room, rests on outdoor time≤15min, and positive lead plaster moisture control is at >=100g/kg lead plaster, and negative lead plaster moisture control is at >=90g/kg lead plaster; Anode diachylon apparent density is controlled at 4.35g/ml, and cathode lead plaster apparent density is controlled at 4.45g/ml; Positive plate lead plaster free lead content≤2.5% after solidifying, negative plate lead plaster free lead content≤4%.
Embodiment 1 is prepared to pole plate, be assembled into lead acid accumulator and carry out cyclic discharge capacity test, the results are shown in Figure 1.As seen from Figure 1, the present invention is by above-mentioned curing process, manufacture battery, the resistance to cycle life of battery obviously improves, battery initial capacity is sufficient, dive to fill deeply and put, overcharge the shallow stack cycle life of putting more than 1600 times, polar board surface does not occur spending in vain or argillization phenomenon, is the desirable curing mode of energy-storage battery.
Claims (9)
1. a lead acid accumulator polar plate solidification technique for applicable energy storage, is characterized in that, described curing process comprises moisturizing stage, heat preservation solidification stage and drying stage; In the moisturizing stage, pass into the steam that contains hydrogen peroxide; In the heat preservation solidification stage, pass into and contain steam ozoniferous.
2. lead acid accumulator polar plate solidification technique for a kind of applicable energy storage according to claim 1, is characterized in that, the moisturizing stage comprises the following steps: 1) temperature 40-45 ℃, relative humidity 100%, curing time 10h;
2) temperature 50-55 ℃, relative humidity 100%, curing time 6h, passing into containing mass fraction is the steam of 0.05%-0.09% hydrogen peroxide;
3) temperature 60-65 ℃, relative humidity 98%, curing time 8h, passing into containing mass fraction is the steam of 0.05%-0.09% hydrogen peroxide.
3. lead acid accumulator polar plate solidification technique for a kind of applicable energy storage according to claim 1, is characterized in that, the heat preservation solidification stage comprises the following steps: 1) under the environment of relative humidity 95%, and static 4h;
2) temperature 50-55 ℃, relative humidity 90%, curing time 5h, passing into containing mass fraction is 0.1%-0.5% steam ozoniferous;
3) temperature 50-55 ℃, relative humidity 80%, curing time 5h, passing into containing mass fraction is 0.1%-0.5% steam ozoniferous;
4) temperature 50-55 ℃, relative humidity 70%, curing time 8h, passing into containing mass fraction is 0.1%-0.5% steam ozoniferous;
5) temperature 60-65 ℃, relative humidity 50%, curing time 8h.
4. lead acid accumulator polar plate solidification technique for a kind of applicable energy storage according to claim 1, is characterized in that, drying stage temperature 75-80 ℃, relative humidity 0%, curing time 15h.
5. according to the lead acid accumulator polar plate solidification technique for a kind of applicable energy storage described in claim 1 or 2 or 3 or 4, it is characterized in that, pole plate, before entering curing room, requires to solidify flooring and uses watering moistening, to solidify indoor temperature and control 40-45 ℃, relative humidity is controlled at >=and 95%.
6. according to the lead acid accumulator polar plate solidification technique for a kind of applicable energy storage described in claim 1 or 2 or 3 or 4, it is characterized in that, pole plate is after coated plate, enter before curing room, rest on outdoor time≤15min, positive lead plaster moisture control is at >=100g/kg lead plaster, and negative lead plaster moisture control is at >=90g/kg lead plaster.
7. according to the lead acid accumulator polar plate solidification technique for a kind of applicable energy storage described in claim 1 or 2 or 3 or 4, it is characterized in that, anode diachylon apparent density is controlled at 4.20-4.35g/ml, and cathode lead plaster apparent density is controlled at 4.30-4.45g/ml.
8. according to the lead acid accumulator polar plate solidification technique for a kind of applicable energy storage described in claim 1 or 2 or 3 or 4, it is characterized in that positive plate lead plaster free lead content≤2.5% after solidifying, negative plate lead plaster free lead content≤4%.
9. according to the lead acid accumulator polar plate solidification technique for a kind of applicable energy storage described in claim 1 or 2 or 3, it is characterized in that, steam intake is 1.2-1.5L/h.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104600255A (en) * | 2014-12-30 | 2015-05-06 | 浙江天能动力能源有限公司 | Curing process of lead-acid storage battery plate |
| CN105261731A (en) * | 2015-09-06 | 2016-01-20 | 山东超威电源有限公司 | Curing and drying process for positive electrode plate of lead-acid storage battery |
| CN105428605A (en) * | 2015-12-03 | 2016-03-23 | 超威电源有限公司 | Technology for negative plate of lead-acid storage battery to shorten curing time |
| CN105552364A (en) * | 2016-01-07 | 2016-05-04 | 超威电源有限公司 | Preparation method for lead paste used for lead-acid storage battery positive electrode and capable of saving curing process |
| CN108232123A (en) * | 2017-12-26 | 2018-06-29 | 浙江天能动力能源有限公司 | A kind of lead-acid storage battery positive electrode plate for electric curing process |
| CN108711610A (en) * | 2018-04-20 | 2018-10-26 | 天能电池集团有限公司 | A kind of chloride plate curing and dying process |
| CN109065846A (en) * | 2018-07-28 | 2018-12-21 | 河南超威电源有限公司 | Positive electrode plate of lead-acid battery curing process |
| CN109698324A (en) * | 2018-06-01 | 2019-04-30 | 骆驼集团蓄电池研究院有限公司 | A kind of lead-acid battery green plate curing and dying process |
| CN109742330A (en) * | 2019-01-31 | 2019-05-10 | 安徽超威电源有限公司 | A kind of two days high temperature curing process of power lead-acid storage battery |
| CN109873124A (en) * | 2019-01-31 | 2019-06-11 | 安徽超威电源有限公司 | A kind of power lead-acid storage battery high temperature curing process |
| CN112582586A (en) * | 2020-11-13 | 2021-03-30 | 骆驼集团蓄电池研究院有限公司 | Preparation process of lead-acid battery suitable for high-temperature use |
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| CN104600255A (en) * | 2014-12-30 | 2015-05-06 | 浙江天能动力能源有限公司 | Curing process of lead-acid storage battery plate |
| CN105261731A (en) * | 2015-09-06 | 2016-01-20 | 山东超威电源有限公司 | Curing and drying process for positive electrode plate of lead-acid storage battery |
| CN105261731B (en) * | 2015-09-06 | 2018-04-06 | 山东超威电源有限公司 | A kind of curing and dying process of anode plate for lead acid accumulator |
| CN105428605A (en) * | 2015-12-03 | 2016-03-23 | 超威电源有限公司 | Technology for negative plate of lead-acid storage battery to shorten curing time |
| CN105428605B (en) * | 2015-12-03 | 2018-06-29 | 超威电源有限公司 | The technique that a kind of lead-acid battery negative pole plate reduces hardening time |
| CN105552364A (en) * | 2016-01-07 | 2016-05-04 | 超威电源有限公司 | Preparation method for lead paste used for lead-acid storage battery positive electrode and capable of saving curing process |
| CN105552364B (en) * | 2016-01-07 | 2017-12-29 | 超威电源有限公司 | A kind of lead acid battery positive electrode exempts to solidify the preparation method of lead plaster |
| CN108232123B (en) * | 2017-12-26 | 2020-05-12 | 浙江天能动力能源有限公司 | Curing process for positive plate of lead-acid storage battery for electric automobile |
| CN108232123A (en) * | 2017-12-26 | 2018-06-29 | 浙江天能动力能源有限公司 | A kind of lead-acid storage battery positive electrode plate for electric curing process |
| CN108711610A (en) * | 2018-04-20 | 2018-10-26 | 天能电池集团有限公司 | A kind of chloride plate curing and dying process |
| CN109698324A (en) * | 2018-06-01 | 2019-04-30 | 骆驼集团蓄电池研究院有限公司 | A kind of lead-acid battery green plate curing and dying process |
| CN109698324B (en) * | 2018-06-01 | 2021-08-31 | 骆驼集团蓄电池研究院有限公司 | Curing and drying process of green plate for lead-acid battery |
| CN109065846A (en) * | 2018-07-28 | 2018-12-21 | 河南超威电源有限公司 | Positive electrode plate of lead-acid battery curing process |
| CN109065846B (en) * | 2018-07-28 | 2020-09-22 | 河南超威电源有限公司 | Process for curing positive electrode plate of lead-acid storage battery |
| CN109742330A (en) * | 2019-01-31 | 2019-05-10 | 安徽超威电源有限公司 | A kind of two days high temperature curing process of power lead-acid storage battery |
| CN109873124A (en) * | 2019-01-31 | 2019-06-11 | 安徽超威电源有限公司 | A kind of power lead-acid storage battery high temperature curing process |
| CN109742330B (en) * | 2019-01-31 | 2021-09-10 | 安徽超威电源有限公司 | Two-day high-temperature curing process for power lead-acid storage battery |
| CN112582586A (en) * | 2020-11-13 | 2021-03-30 | 骆驼集团蓄电池研究院有限公司 | Preparation process of lead-acid battery suitable for high-temperature use |
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