CN103400966A - Curing process for pole plate of lead-acid storage battery - Google Patents

Curing process for pole plate of lead-acid storage battery Download PDF

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Publication number
CN103400966A
CN103400966A CN2013102863152A CN201310286315A CN103400966A CN 103400966 A CN103400966 A CN 103400966A CN 2013102863152 A CN2013102863152 A CN 2013102863152A CN 201310286315 A CN201310286315 A CN 201310286315A CN 103400966 A CN103400966 A CN 103400966A
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relative humidity
temperature
stage
curing
hours
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CN103400966B (en
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周明明
杨绍坡
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Chaowei Power Supply Co Ltd
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Chaowei Power Supply Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a curing process for a pole plate of a lead-acid storage battery. The curing process is characterized by being divided into three stages, namely a moisturizing curing stage, a heat-preserving curing stage and a drying curing stage. The moisturizing curing stage comprises the following steps of: (1) performing curing for 10 hours at the temperature of 45 to 50 DEG C and at the relative humidity of 100 percent; (2) performing curing for 5 hours at the temperature of 55 to 60 DEG C and at the relative humidity of 100 percent; and (3) performing curing for 8 hours at the temperature of 65 to 70 DEG C and at the relative humidity of 98 percent. The heat-preserving curing stage comprises the following steps of: (1) performing curing for 5 hours at the temperature of 55 to 60 DEG C and at the relative humidity of 90 percent; (2) performing curing for 5 hours at the temperature of 55 to 60 DEG C and at the relative humidity of 80 percent; (3) performing curing for 8 hours at the temperature of 55 to 60 DEG C and at the relative humidity of 70 percent; and (4) performing curing for 8 hours at the temperature of 65 to 70 DEG C and at the relative humidity of 50 percent. The drying curing stage comprises the step of performing curing for 15 hours at the temperature of 75 to 80 DEG C and at the relative humidity of 0 percent. By virtue of the curing process, the defects of short cycle life of the battery and low preliminary utilization rate of an active substance are overcome. The battery is suitable for charge-discharge cycles at various environment temperatures.

Description

A kind of technique for solidifying lead acid battery polar plate
[technical field]
The present invention relates to the battery processing technology, be specifically related to a kind of technique for solidifying lead acid battery polar plate.
[background technology]
At present, to the lead acid accumulator industry requirement, internalization processing storage battery mode is the direction of following industry according to Chinese Ministry of Environmental Protection.Power lead acid battery is mainly used in electric bicycle, electric road car field.Battery cycle life is mostly 300 left and right, and the lead acid accumulator user used about 1 year just to be needed to change, and useful life is short.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 for the market demand of new energy electric motor vehicle.
[summary of the invention]
Problem to be solved by this invention just is to provide can make lead acid accumulator long service life, cycle-index a kind of technique for solidifying lead acid battery polar plate how.For solving the problems of the technologies described above, the present invention adopts following technical scheme, a kind of technique for solidifying lead acid battery polar plate, and this curing process is divided into three phases, moisturizing cure stage, heat preservation solidification stage and dry solidification stage,
The moisturizing cure stage comprises the following steps:
1) the 1st stage, temperature 45-50 ℃, relative humidity 100%, 10 hours curing times;
2) the 2nd stage, temperature 55-60 ℃, relative humidity 100%, 5 hours curing times;
3) the 3rd stage, temperature 65-70 ℃, relative humidity 98%, 8 hours curing times;
The heat preservation solidification stage comprises the following steps:
1) the 1st stage, temperature 55-60 ℃, relative humidity 90%, 5 hours curing times;
2) the 2nd stage, temperature 55-60 ℃, relative humidity 80%, 5 hours curing times;
3) the 3rd stage, temperature 55-60 ℃, relative humidity 70%, 8 hours curing times;
4) the 4th stage, temperature 65-70 ℃, relative humidity 50%, 8 hours curing times;
The dry solidification stage comprises the following steps:
Temperature 75-80 ℃, relative humidity 0%, 15 hours curing times.
Further, before solidifying beginning, solidify flooring and use watering moistening, curing indoor temperature is 45 ℃, and relative humidity is >=95%.
Further, pole plate, after coated plate, before entering curing room, rests on outdoor time≤15min, positive lead plaster moisture content >=100g/kg lead plaster, negative lead plaster moisture content >=90g/kg lead plaster.
Further, in solidification process, relative humidity deviation lower than≤± 1%, temperature controls≤± 2 ℃.
Further, the anode diachylon apparent density is controlled at 4.40-4.45g/ml, and the cathode lead plaster apparent density is controlled at 4.45-4.50g/ml.
Beneficial effect of the present invention:
The present invention, by above-mentioned curing process, manufactures pole plate, is assembled into battery, and the anti-cycle life of battery obviously improves, and 100%DOD (depth of discharge) cycle life is more than 500 times, and the argillization phenomenon does not appear in polar board surface.
These characteristics of the present invention and advantage will embodiment below in detailed exposure.
[embodiment]
The invention provides a kind of technique for solidifying lead acid battery polar plate, this curing process is divided into three phases, moisturizing cure stage, heat preservation solidification stage and dry solidification stage,
The moisturizing cure stage comprises the following steps:
1) the 1st stage, temperature 45-50 ℃, relative humidity 100%, 10 hours curing times;
2) the 2nd stage, temperature 55-60 ℃, relative humidity 100%, 5 hours curing times;
3) the 3rd stage, temperature 65-70 ℃, relative humidity 98%, 8 hours curing times;
The heat preservation solidification stage comprises the following steps:
1) the 1st stage, temperature 55-60 ℃, relative humidity 90%, 5 hours curing times;
2) the 2nd stage, temperature 55-60 ℃, relative humidity 80%, 5 hours curing times;
3) the 3rd stage, temperature 55-60 ℃, relative humidity 70%, 8 hours curing times;
4) the 4th stage, temperature 65-70 ℃, relative humidity 50%, 8 hours curing times;
The dry solidification stage comprises the following steps:
Temperature 75-80 ℃, relative humidity 0%, 15 hours curing times.
With invention, by above-mentioned curing process, manufacture pole plate, be assembled into battery, the anti-cycle life of battery obviously improves, and 100%DOD (depth of discharge) cycle life is more than 500 times, and the argillization phenomenon does not appear in polar board surface.
Below in conjunction with the embodiment of the present invention, the present invention is explained and illustrated, but following embodiment is only the preferred embodiments of the present invention, not all.Based on the embodiment in execution mode, those skilled in the art are other embodiment that obtains under the prerequisite of not making creative work, all belong to protection scope of the present invention.
Embodiment mono-:
Pole plate, before entering curing room, requires to solidify flooring and uses watering moistening.To solidify indoor temperature and control 45 ℃, relative humidity is controlled at >=and 95%, pole plate, after coated plate, before entering curing room, rests 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.The anode diachylon apparent density is controlled at 4.40-4.45g/ml, and the cathode lead plaster apparent density is controlled at 4.45-4.50g/ml.
Pole plate is put into to curing room and be cured, this curing process is divided into three phases, moisturizing cure stage, heat preservation solidification stage and dry solidification stage,
The moisturizing cure stage comprises the following steps:
1) the 1st stage, temperature 45-50 ℃, relative humidity 100%, 10 hours curing times;
2) the 2nd stage, temperature 55-60 ℃, relative humidity 100%, 5 hours curing times;
3) the 3rd stage, temperature 65-70 ℃, relative humidity 98%, 8 hours curing times;
What this stage adopted is the interim curing temperature that improves, and relative humidity is controlled at 98-100%.The purpose of this scheme is that pole plate moisture is fully contacted with lead plaster.Make between grid and lead plaster to form stable network configuration.Intensity to pole plate plays very crucial effect, and in the 3rd stage, curing temperature is controlled between 65-70 ℃.Be convenient to lead plaster and form four basic lead sulphate (4PbOPbSO 4), positive plate, after changing into, forms quadratic crystal ɑ-PbO2, guarantees that not only battery has good initial capacity, and has remarkable cycle performance.Thoroughly eliminated lead-calcium alloy and had the PCL(premature capacity loss) problem.
The heat preservation solidification stage comprises the following steps:
1) the 1st stage, temperature 55-60 ℃, relative humidity 90%, 5 hours curing times;
2) the 2nd stage, temperature 55-60 ℃, relative humidity 80%, 5 hours curing times;
3) the 3rd stage, temperature 55-60 ℃, relative humidity 70%, 8 hours curing times;
4) the 4th stage, temperature 65-70 ℃, relative humidity 50%, 8 hours curing times;
This stage adopts metastable temperature to be cured pole plate.But relative humidity reduces gradually.Make the abundant oxidation of oxygen in lead plaster and air in pole plate.This stage is that free lead descends 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.Intensity with high-quality, from one meter height, freely falling body drops on ground grading, and the lead plaster that comes off accounts for pole plate weight≤1%.
The dry solidification stage comprises the following steps:
Temperature 75-80 ℃, relative humidity 0%, 15 hours curing times.
In the solidification process of above-mentioned three phases, relative humidity deviation lower than≤± 1%, temperature controls≤± 2 ℃.
Positive plate lead plaster free lead content after solidifying≤2.5%, negative plate lead plaster free lead content≤4%.Manufacture pole plate, be assembled into battery, the anti-cycle life of battery obviously improves, and 100%DOD (depth of discharge) cycle life is more than 500 times, and the argillization phenomenon does not appear in polar board surface.It is the desirable curing mode of power accumulator.
By above-described embodiment, purpose of the present invention is by fully effective having reached.The personage who is familiar with this skill should be understood that and the present invention includes but be not limited to the content of describing in top embodiment.Any modification that does not depart from function and structure principle of the present invention all will be included in the scope of claims.

Claims (5)

1. technique for solidifying lead acid battery polar plate, it is characterized in that: this curing process is divided into three phases, moisturizing cure stage, heat preservation solidification stage and dry solidification stage,
The moisturizing cure stage comprises the following steps:
1) the 1st stage, temperature 45-50 ℃, relative humidity 100%, 10 hours curing times;
2) the 2nd stage, temperature 55-60 ℃, relative humidity 100%, 5 hours curing times;
3) the 3rd stage, temperature 65-70 ℃, relative humidity 98%, 8 hours curing times;
The heat preservation solidification stage comprises the following steps:
1) the 1st stage, temperature 55-60 ℃, relative humidity 90%, 5 hours curing times;
2) the 2nd stage, temperature 55-60 ℃, relative humidity 80%, 5 hours curing times;
3) the 3rd stage, temperature 55-60 ℃, relative humidity 70%, 8 hours curing times;
4) the 4th stage, temperature 65-70 ℃, relative humidity 50%, 8 hours curing times;
The dry solidification stage comprises the following steps:
Temperature 75-80 ℃, relative humidity 0%, 15 hours curing times.
2. a kind of technique for solidifying lead acid battery polar plate as claimed in claim 1 is characterized in that: before solidifying and starting, solidify flooring moistening with watering, curing indoor temperature is 45 ℃, and relative humidity is >=95%.
3. a kind of technique for solidifying lead acid battery polar plate as claimed in claim 1, it is characterized in that: pole plate, after coated plate, before entering curing room, rests on outdoor time≤15min, positive lead plaster moisture content >=100g/kg lead plaster, negative lead plaster moisture content >=90g/kg lead plaster.
4. a kind of technique for solidifying lead acid battery polar plate as claimed in claim 1 is characterized in that: in solidification process, relative humidity deviation lower than≤± 1%, temperature controls≤± 2 ℃.
5. a kind of technique for solidifying lead acid battery polar plate as claimed in claim 1, it is characterized in that: the anode diachylon apparent density is controlled at 4.40-4.45g/ml, and the cathode lead plaster apparent density is controlled at 4.45-4.50g/ml.
CN201310286315.2A 2013-07-09 2013-07-09 A kind of technique for solidifying lead acid battery polar plate Active CN103400966B (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103943832A (en) * 2014-03-25 2014-07-23 超威电源有限公司 Electrode plate solidification technology for energy storage lead-acid battery
CN103943831A (en) * 2014-03-25 2014-07-23 超威电源有限公司 Electrode plate solidification technology for lead-acid battery
CN104051711A (en) * 2014-05-29 2014-09-17 天能电池(芜湖)有限公司 Positive plate high temperature curing process
CN104241702A (en) * 2014-07-01 2014-12-24 超威电源有限公司 Solidifying method for prolonging cycling life of lead-acid storage battery
CN105070886A (en) * 2015-09-21 2015-11-18 骆驼集团襄阳蓄电池有限公司 AGM (absorptive glass mat) switch on-off storage battery positive plate curing process
CN105119021A (en) * 2015-10-08 2015-12-02 深圳市雄韬电源科技股份有限公司 Electrode plate curing method capable of improving battery deep cycle life
CN105185950A (en) * 2015-07-22 2015-12-23 江苏苏中电池科技发展有限公司 High-temperature curing chamber and curing technology for battery pole plates
CN105428606A (en) * 2015-11-12 2016-03-23 骆驼集团蓄电池研究院有限公司 Storage battery curing process
CN105576195A (en) * 2016-01-26 2016-05-11 超威电源有限公司 Low-temperature and low-humidity curing process for negative plate of lead-acid storage battery
CN106058162A (en) * 2016-08-23 2016-10-26 安徽永恒动力科技有限公司 Rapid curing drying method for energy source battery positive electrode plate
CN106684338A (en) * 2016-12-08 2017-05-17 浙江天能动力能源有限公司 Curing process for plate of power battery
CN107887577A (en) * 2017-11-08 2018-04-06 河南超威电源有限公司 A kind of microwave curing process of lead-acid accumulator pole plate
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
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
CN113161519A (en) * 2021-03-26 2021-07-23 扬州阿波罗蓄电池有限公司 Preparation process of storage battery for starting and stopping automobile

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Cited By (29)

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CN103943831A (en) * 2014-03-25 2014-07-23 超威电源有限公司 Electrode plate solidification technology for lead-acid battery
CN103943832A (en) * 2014-03-25 2014-07-23 超威电源有限公司 Electrode plate solidification technology for energy storage lead-acid battery
CN103943831B (en) * 2014-03-25 2016-01-20 超威电源有限公司 A kind of applicable lead acid accumulator polar plate solidification technique
CN103943832B (en) * 2014-03-25 2016-01-20 超威电源有限公司 A kind of applicable energy storage lead acid accumulator polar plate solidification technique
CN104051711A (en) * 2014-05-29 2014-09-17 天能电池(芜湖)有限公司 Positive plate high temperature curing process
CN104051711B (en) * 2014-05-29 2016-06-15 天能电池(芜湖)有限公司 A kind of positive plate high temperature curing process
CN104241702B (en) * 2014-07-01 2016-04-27 超威电源有限公司 A kind of curing improving cycle life of lead-acid accumulator
CN104241702A (en) * 2014-07-01 2014-12-24 超威电源有限公司 Solidifying method for prolonging cycling life of lead-acid storage battery
CN105185950B (en) * 2015-07-22 2017-08-01 江苏海宝电池科技有限公司 A kind of battery pole plates hot setting room and curing process
CN105185950A (en) * 2015-07-22 2015-12-23 江苏苏中电池科技发展有限公司 High-temperature curing chamber and curing technology for battery pole plates
CN105070886A (en) * 2015-09-21 2015-11-18 骆驼集团襄阳蓄电池有限公司 AGM (absorptive glass mat) switch on-off storage battery positive plate curing process
CN105070886B (en) * 2015-09-21 2016-05-25 骆驼集团襄阳蓄电池有限公司 A kind of AGM start and stop accumulator anode board curing process
CN105119021A (en) * 2015-10-08 2015-12-02 深圳市雄韬电源科技股份有限公司 Electrode plate curing method capable of improving battery deep cycle life
CN105428606A (en) * 2015-11-12 2016-03-23 骆驼集团蓄电池研究院有限公司 Storage battery curing process
CN105428606B (en) * 2015-11-12 2016-11-09 骆驼集团蓄电池研究院有限公司 A kind of battery curing process
CN105576195A (en) * 2016-01-26 2016-05-11 超威电源有限公司 Low-temperature and low-humidity curing process for negative plate of lead-acid storage battery
CN105576195B (en) * 2016-01-26 2018-05-29 超威电源有限公司 A kind of lead-acid battery negative pole plate low temperature and low humidity curing process
CN106058162A (en) * 2016-08-23 2016-10-26 安徽永恒动力科技有限公司 Rapid curing drying method for energy source battery positive electrode plate
CN106058162B (en) * 2016-08-23 2018-05-11 安徽永恒动力科技有限公司 A kind of method of energy battery positive plate rapid curing drying
CN106684338A (en) * 2016-12-08 2017-05-17 浙江天能动力能源有限公司 Curing process for plate of power battery
CN106684338B (en) * 2016-12-08 2019-05-07 浙江天能动力能源有限公司 A kind of curing process of power battery pole plate
CN107887577A (en) * 2017-11-08 2018-04-06 河南超威电源有限公司 A kind of microwave curing process of lead-acid accumulator pole plate
CN107887577B (en) * 2017-11-08 2019-08-09 河南超威电源有限公司 A kind of microwave curing process of lead-acid accumulator pole plate
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
CN113161519A (en) * 2021-03-26 2021-07-23 扬州阿波罗蓄电池有限公司 Preparation process of storage battery for starting and stopping automobile

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