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CN109698324A - A kind of lead-acid battery green plate curing and dying process - Google Patents

A kind of lead-acid battery green plate curing and dying process Download PDF

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Publication number
CN109698324A
CN109698324A CN201810554053.6A CN201810554053A CN109698324A CN 109698324 A CN109698324 A CN 109698324A CN 201810554053 A CN201810554053 A CN 201810554053A CN 109698324 A CN109698324 A CN 109698324A
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curing
temperature
humidity
hours
oxygen
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CN109698324B (en
Inventor
史俊雷
余萍
石润波
张祖波
夏诗忠
高国兴
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Camel Group Huazhong Branch Co ltd
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Camel Group Storage Battery Research Institute Co Ltd
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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
    • 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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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

一种铅酸电池用生极板固化干燥工艺，包括正极板和负极板固化干燥：将涂制好铅膏的正生极板置于温度40~50℃，湿度98~100%的固化室内固化4~6小时；升温至温度80~90℃，保持湿度98~100%，通入富氧空气，使固化箱的压力维持在0.4~0.6MPa，固化4~6小时；通入富氧空气，干燥6~10小时。与现有技术相比，本发明通过三阶段的工艺完成极板的固化干燥工艺，通过调节每个阶段的压力、氧含量、温度、湿度以及固化时间，使每个阶段的时间均在10小时以内，完成整个工艺只需要不到1天的时间，使生产效率大幅提高。在减少时间的同时，能够满足工艺要求，且保证了极板的一致性，增加了电池的使用寿命。A process for curing and drying a green electrode plate for a lead-acid battery, including the curing and drying of a positive electrode plate and a negative electrode plate: the positive electrode plate coated with lead paste is placed in a curing room with a temperature of 40-50° C. and a humidity of 98-100% for curing. 4~6 hours; raise the temperature to 80~90℃, keep the humidity at 98~100%, feed oxygen-enriched air, keep the pressure of the curing box at 0.4~0.6MPa, and cure for 4~6 hours; feed oxygen-enriched air, Dry for 6~10 hours. Compared with the prior art, the present invention completes the solidification and drying process of the polar plate through a three-stage process, and by adjusting the pressure, oxygen content, temperature, humidity and curing time of each stage, the time of each stage is all within 10 hours. It only takes less than 1 day to complete the whole process, which greatly improves the production efficiency. While reducing the time, it can meet the process requirements, ensure the consistency of the plates, and increase the service life of the battery.

Description

A kind of lead-acid battery green plate curing and dying process
Technical field
The present invention relates to lead-acid accumulator manufacturing fields, and in particular to a kind of lead-acid accumulator green plate curing and dying Skill.
Background technique
The curing and drying of lead-acid battery is the important process of battery production, wherein being mainly concerned with the oxygen of free lead in lead plaster Change, the processes such as the formation of corrosion layer, loss of moisture between the rock-steady structure and grid and active material of formation active material.One As there are two types of curing process, i.e. room temperature high humidity and high temperature and humidity.Drying process generally uses temperature for 60 ~ 90 DEG C, and humidity is less than 30%, the time is to differ for 12 ~ 48 hours.But whether which kind of curing and dying process, the time, some was up at 48 hours or more 96 hours.The so long curing and drying time reduces production efficiency, and energy consumption increases, while need to buy multiple solidification cases and could expire Sufficient production requirement, wastes place and fund.
The curing and drying quality of pole plate and the performance of battery are closely related, conventional curing and dying process since the time is long, Higher to the stability requirement of equipment, this just brings hidden danger to the consistency of pole plate.The inconsistent meeting of pole plate after curing and drying Cause the battery performance of same batch to differ greatly, influences the stability of product.
Chinese invention patent CN103943832A, this application discloses a kind of energy storage lead-acid battery electrode plate curing and dryings Technique, the curing process have used the vapor containing hydrogen peroxide and ozone in moisturizing and heat preservation solidification stage respectively, The oxidation rate for improving free lead in solidification process, reduces curing time.But hydrogen peroxide and ozone have one first The service life that will affect equipment is used for a long time in fixed corrosivity, and secondly the curing time of reduction is limited, and third is during drying Using conventional technique, the time is further extended.
The lead-acid battery green plate curing and drying period length of the prior art causes production efficiency to reduce, energy consumption increases, product Delivery period extends, and the pole plate quality fluctuation after curing and drying is big, affects battery with two side terminals, leads to service life reduction, and equipment Investment is big.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of shortening curing and drying time, guarantee pole plate quality conformance Lead-acid battery green plate curing and dying process.
Technical solution of the present invention includes positive plate and negative plate curing and drying, and positive plate curing and dying process includes following Step: (A1) will apply the positive green plate for making lead plaster and be placed in 40 ~ 50 DEG C of temperature, and solidification 4 ~ 6 is small in the curing room of humidity 98 ~ 100% When；
(A2) 80 ~ 90 DEG C of temperature are warming up to, humidity 98 ~ 100% is kept, is passed through oxygen-enriched air, maintains the pressure of solidification case 0.4 ~ 0.6MPa, oxygen content solidify 4 ~ 6 hours between 35 ~ 40%；
(A3) keeping solidification room temperature is 80 ~ 90 DEG C, reduces humidity to≤10%, is passed through oxygen-enriched air, makes the pressure of solidification case Power maintains -0.04 ~ -0.08MPa, and oxygen content is 6 ~ 10 hours dry between 35 ~ 40%；
The cathode plate curing and dying process the following steps are included:
(B1) it will apply and make the negative green plate of lead plaster and be placed in 40 ~ 50 DEG C of temperature, in the curing room of humidity 98 ~ 100%, solidification 4 ~ 6 is small When；
(B2) 50 ~ 60 DEG C of temperature are warming up to, humidity 98 ~ 100% is kept, is passed through oxygen-enriched air, maintains the pressure of solidification case 0.4 ~ 0.6MPa, oxygen content solidify 4 ~ 6 hours between 35 ~ 40%；
(B3) be warming up to 80 ~ 90 DEG C of temperature, reduce humidity to≤10%, be passed through oxygen-enriched air, make the pressure of solidification case maintain- 0.04 ~ -0.08MPa, oxygen content are 6 ~ 10 hours dry between 40 ~ 45%；
The positive plate is being painted with plate into before curing room, and water content is 10.5 ~ 11.5%；
The negative plate is being painted with plate into before curing room, and water content is 9 ~ 10%；
The positive plate is after above-mentioned curing and dying process, free lead content≤2%；
The negative plate is after above-mentioned curing and dying process, free lead content≤3%；
The positive plate, negative plate are after above-mentioned drying process, pole plate moisture content≤0.3%.
Positive plate curing and drying selection process of the invention is the following steps are included: (A1) will apply the positive green plate for making lead plaster It is placed in temperature 50 C, in the curing room of humidity 98%, solidifies 4 hours；
(A2) 85 DEG C of temperature, humidity 98%, are passed through oxygen-enriched air, and the pressure of solidification case is made to maintain 0.6MPa, and oxygen content exists 40%, solidify 4 hours；
(A3) 85 DEG C of temperature, humidity 0%, are passed through oxygen-enriched air, and the pressure of solidification case is made to maintain -0.08MPa, and oxygen content exists 35%, it is 10 hours dry.
Positive plate curing and drying selection process of the invention the following steps are included:
(A1) it will apply and make the positive green plate of lead plaster and be placed in 40 DEG C of temperature, in the curing room of humidity 98%, solidify 5 hours；
(A2) 80 DEG C of temperature, humidity 98%, are passed through oxygen-enriched air, and the pressure of solidification case is made to maintain 0.4MPa, and oxygen content exists 35%, solidify 6 hours；
(A3) 85 DEG C of temperature, humidity 0%, are passed through oxygen-enriched air, and the pressure of solidification case is made to maintain -0.04MPa, and oxygen content exists 40%, it is 8 hours dry.
Positive plate curing and drying selection process of the invention, can be in curing room after dry in step (A3) It is put into calper calcium peroxide, calper calcium peroxide additional amount is that 0.2 ~ 1.0g/ L(solidifies building volume).
Negative plate curing and drying selection process of the present invention the following steps are included:
(B1) it will apply and make the negative green plate of lead plaster and be placed in temperature 45 C, in the curing room of humidity 98%, solidify 4 hours；
(B2) temperature 50 C, humidity 98%, is passed through oxygen-enriched air, and the pressure of solidification case is made to maintain 0.6MPa, and oxygen content exists 40%, solidify 4 hours；
(B3) 85 DEG C of temperature, humidity 0%, are passed through oxygen-enriched air, and the pressure of solidification case is made to maintain -0.08MPa, and oxygen content exists 35%, it is 10 hours dry, it is cooled to room temperature.
Negative plate curing and drying selection process of the present invention the following steps are included:
(B1) it will apply and make the negative green plate of lead plaster and be placed in temperature 45 C, in the curing room of humidity 98%, solidify 5 hours；
(B2) temperature 50 C, humidity 98%, is passed through oxygen-enriched air, and the pressure of solidification case is made to maintain 0.4MPa, and oxygen content exists 35%, solidify 6 hours；
(B3) 85 DEG C of temperature, humidity 0%, are passed through oxygen-enriched air, and the pressure of solidification case is made to maintain -0.04MPa, and oxygen content exists 40%, it is 8 hours dry, it is cooled to room temperature.
It,, can be with when cooling after dry in the step of negative plate curing and drying selection process of the present invention (B3) Calper calcium peroxide is put into curing room, calper calcium peroxide additional amount is that 0.1 ~ 1.0g/ L(solidifies building volume).
For positive/negative plate of the invention after above-mentioned curing and dying process, pole plate falling strength increases by 30 ~ 60%.
Positive/negative plate of the invention is after above-mentioned technique, the battery being assembled into, and is keeping capacity constant or is slightly being promoted Under the premise of, 25% or more deeper cavity life-span upgrading.
Green plate curing and dying process of the invention is divided into three phases: room temperature moisturizing stage, high-pressure oxygen-enriched high humidity stage With low pressure drying stage.
First stage of the invention --- the room temperature moisturizing stage can guarantee that active material recrystallization maintains existing common work Artistic skill enough guarantees the recrystallization of active substance crystals, forms stable structure.Second stage --- the high-pressure oxygen-enriched high humidity stage, In, using high temperature and humidity technique, it can guarantee conversion of the 3BS to 4BS crystal form in positive plate, be conducive to the steady of active material configuration Fixed and the service life raising；Using high-pressure process, the solubility of oxygen in water is increased, makes active material while being in high humidity and richness Under conditions of oxygen, and then accelerate the oxidation of free lead and the formation of corrosion layer, reduces curing time；Increase the pressure of curing room Power, the solubility of oxygen, also accelerates the speed of chemical reaction, while being passed through oxygen-enriched in biggish pressure increase vapor Air has further speeded up the oxidation of free lead and the formation of grid interfacial corrosion layer.The work that phase III uses low pressure dry Skill, accelerates the volatilization of moisture in pole plate, while being passed through oxygen-enriched air, and oxygen-enriched environment accelerates the oxidation of free lead, subtracts Lack drying time, completes the drying process of pole plate as early as possible.
The present invention solves the problems, such as that the lead-acid battery curing and drying time is long in the prior art and pole plate consistency is poor, improves Production efficiency, energy saving, pole plate quality are stablized, and battery life increases.Compared with prior art, the present invention passed through for three stages Technique complete the curing and dying process of pole plate, pass through pressure, oxygen content, temperature, humidity and the solidification for adjusting each stage Time makes the time in each stage within 10 hours, completes entire technique and only needs time less than 1 day, imitates production Rate greatly improves.While reducing the time, it can satisfy technique requirement, and ensure that the consistency of pole plate, increase battery Service life.
The pole plate prepared through the invention, the binding force enhancing between active material between active material and grid, generates Basic lead sulphate reached optimal ratio, and pressure, oxygen content, temperature, humidity or solidification by adjusting each stage The different demands to active material component may be implemented in time, meet various pole plate models and lead-acid battery application field.
Specific embodiment
Embodiment 1
The raw plate of anode is placed in solidification case, is successively performed the following operation:
(1) it will apply and make the positive green plate of lead plaster and be placed in temperature 50 C, in the curing room of humidity 98%, solidify 4 hours；
(2) 85 DEG C of temperature are warming up to, humidity is constant to maintain 98%, is passed through oxygen-enriched air, maintains the pressure of solidification case 0.6MPa, oxygen content solidify 4 hours 40%；
(3) temperature maintains 85 DEG C, and reduction humidity to 0% is passed through oxygen-enriched air, the pressure of solidification case is made to maintain -0.08MPa, Oxygen content is dried 10 hours 35%.
This curing and dying process time amounts to 18 hours, substantially increases within 48 ~ 96 hours production effect than the prior art Rate.Oxygen-enriched environment is maintained in latter two stage simultaneously, the formation of corrosion layer and the oxidation of free lead is accelerated, increases pole plate The consistency of quality.After solidification, free lead content 1.8%, 4BS content is 20.2%, and fall strength of briquette increases by 40%, after assembling Battery consistency is preferable, and the deeper cavity service life improves 30%.
Embodiment 2
The raw plate of anode is placed in solidification case, is successively performed the following operation:
(A1) it will apply and make the positive green plate of lead plaster and be placed in 40 DEG C of temperature, in the curing room of humidity 98%, solidify 5 hours；
(A2) 80 DEG C of temperature, humidity 98%, are passed through oxygen-enriched air, and the pressure of solidification case is made to maintain 0.4MPa, and oxygen content exists 35%, solidify 6 hours；
(A3) 85 DEG C of temperature, humidity 0%, are passed through oxygen-enriched air, and the pressure of solidification case is made to maintain -0.04MPa, and oxygen content exists 40%, it is 8 hours dry.
This curing and dying process time amounts to 19 hours, substantially increases within 48 ~ 96 hours production effect than the prior art Rate.Oxygen-enriched environment is maintained in latter two stage simultaneously, the formation of corrosion layer and the oxidation of free lead is accelerated, increases pole plate The consistency of quality.After solidification, free lead content is 25.0% in 1.9%, 4BS content, and fall strength of briquette increases by 30%, after assembling Battery consistency is preferable, and the deeper cavity service life improves 25%.
Embodiment 3.
The raw plate of cathode is placed in solidification case, is successively performed the following operation:
(1) it will apply and make the negative green plate of lead plaster and be placed in temperature 45 C, in the curing room of humidity 98%, solidify 4 hours；
(2) it is warming up to temperature 50 C, humidity 98% is passed through oxygen-enriched air, and the pressure of solidification case is made to maintain 0.6MPa, and oxygen contains Amount solidifies 4 hours 40%；
(3) 85 DEG C of temperature are warming up to, humidity 0% is passed through oxygen-enriched air, and the pressure of solidification case is made to maintain -0.08MPa, and oxygen contains For amount 35%, drying 10 hours is cooled to room temperature.
This curing and dying process time amounts to 18 hours, substantially increases within 48 ~ 96 hours production effect than the prior art Rate.Oxygen-enriched environment is maintained in latter two stage simultaneously, increases the consistency of pole plate quality.After solidification, free lead content exists 2.4%, fall strength of briquette increases by 50%, and the battery consistency being assembled into the positive plate of embodiment 1 is preferable, low-temperature high-current discharge 16% can be promoted, the deeper cavity service life improves 35%.
Embodiment 4.
The raw plate of anode is placed in solidification case, is successively performed the following operation:
(1) it will apply and make the positive green plate of lead plaster and be placed in temperature 50 C, in the curing room of humidity 98%, solidify 4 hours；
(2) 85 DEG C of temperature are warming up to, humidity is constant to maintain 98%, is passed through oxygen-enriched air, maintains the pressure of solidification case 0.6MPa, oxygen content solidify 4 hours 40%；
(3) temperature maintains 85 DEG C, and reduction humidity to 0% is passed through oxygen-enriched air, the pressure of solidification case is made to maintain -0.08MPa, Oxygen content after 10 hours dry, the calper calcium peroxide of 0.2g/L is added into solidification case, is down to room completely to temperature 35% Temperature.
This curing and dying process time amounts to 18 hours, substantially increases within 48 ~ 96 hours production effect than the prior art Rate.Oxygen-enriched environment is maintained in latter two stage simultaneously, the formation of corrosion layer and the oxidation of free lead is accelerated, increases pole plate The consistency of quality.After solidification, free lead content 1.8%, 4BS content is 20.2%, and fall strength of briquette increases by 40%.Furthermore dry Dry temperature-fall period introduces calper calcium peroxide, and calper calcium peroxide can be with the CO in water and air2Reaction, has further speeded up pole plate Rate of drying, while avoiding plate active material and CO when temperature is higher2Reaction generates ceruse, and ceruse is unfavorable for pole The chemical conversion of plate, this technique can save the chemical conversion electricity of 2-4%.Battery consistency after assembling is preferable, and the deeper cavity service life improves 30%。

Claims (7)

1.一种铅酸电池用生极板固化干燥工艺，包括正极板和负极板固化干燥，其特征在于正极板固化干燥工艺包括以下步骤：1. A lead-acid battery using a green plate solidification drying process, comprising a positive plate and a negative plate solidification and drying, is characterized in that the positive plate solidification and drying process comprises the following steps: (A1)将涂制好铅膏的正生极板置于温度40~50℃，湿度98~100%的固化室内固化4~6小时；(A1) Place the positive electrode plate coated with lead paste in a curing room with a temperature of 40~50°C and a humidity of 98~100% for 4~6 hours; (A2)升温至温度80~90℃，保持湿度98~100%，通入富氧空气，使固化箱的压力维持在0.4~0.6MPa，氧气含量在35~40%之间，固化4~6小时；(A2) Raise the temperature to 80~90℃, keep the humidity at 98~100%, feed oxygen-enriched air, keep the pressure of the curing box at 0.4~0.6MPa, and the oxygen content between 35~40% and cure for 4~6 Hour; (A3)保持固化室内温度为80~90℃，降低湿度至≤10%，通入富氧空气，使固化箱的压力维持在-0.04~-0.08MPa，氧气含量在35~40%之间，干燥6~10小时； (A3) Keep the temperature in the curing room at 80~90℃, reduce the humidity to ≤10%, and introduce oxygen-enriched air to keep the pressure of the curing box at -0.04~-0.08MPa, and the oxygen content between 35~40%. Dry for 6~10 hours; 所述的负极板固化干燥工艺包括以下步骤：The described negative plate curing and drying process includes the following steps: (B1)将涂制好铅膏的负生极板置于温度40~50℃，湿度98~100%的固化室内，固化4~6小时；(B1) Place the negative electrode plate coated with lead paste in a curing room with a temperature of 40~50°C and a humidity of 98~100%, and cure for 4~6 hours; (B2) 升温至温度50~60℃，保持湿度98~100%，通入富氧空气，使固化箱的压力维持在0.4~0.6MPa，氧气含量在35~40%之间，固化4~6小时；(B2) Raise the temperature to 50~60℃, keep the humidity at 98~100%, pass oxygen-enriched air, keep the pressure of the curing box at 0.4~0.6MPa, and the oxygen content between 35~40%, cure for 4~6 Hour; (B3) 升温至温度80~90℃，降低湿度至≤10%，通入富氧空气，使固化箱的压力维持在-0.04~-0.08MPa，氧气含量在40~45%之间，干燥6~10小时；(B3) Raise the temperature to 80~90℃, reduce the humidity to ≤10%, pass in oxygen-enriched air, keep the pressure of the curing box at -0.04~-0.08MPa, and the oxygen content between 40~45%, dry for 6 ~10 hours; 所述正极板在涂完板进固化室之前，含水量在10.5~11.5%；The water content of the positive plate is 10.5-11.5% before the coating is finished and the plate enters the curing chamber; 所述负极板在涂完板进固化室之前，含水量在9~10%；The water content of the negative plate is 9-10% before the coating is finished and the plate enters the curing chamber; 所述正极板经过上述固化干燥工艺后，游离铅含量≤2%；After the positive plate is subjected to the above-mentioned curing and drying process, the free lead content is less than or equal to 2%; 所述负极板经过上述固化干燥工艺后，游离铅含量≤3%；After the negative plate is subjected to the above-mentioned curing and drying process, the free lead content is less than or equal to 3%; 所述正极板、负极板经过上述干燥工艺后，极板水分含量≤0.3%。After the positive and negative plates are subjected to the above drying process, the moisture content of the plates is ≤0.3%. 2.根据权利要求1所述的铅酸电池用生极板固化干燥工艺，其特征在于：2. lead-acid battery green plate solidification drying process according to claim 1, is characterized in that: (A1)将涂制好铅膏的正生极板置于温度50℃，湿度98%的固化室内，固化4小时；(A1) The positive electrode plate coated with lead paste is placed in a curing room with a temperature of 50 ° C and a humidity of 98%, and cured for 4 hours; (A2)温度85℃，湿度98%，通入富氧空气，使固化箱的压力维持在0.6MPa，氧气含量在40%，固化4小时；(A2) The temperature is 85°C, the humidity is 98%, oxygen-enriched air is introduced, the pressure of the curing box is maintained at 0.6MPa, the oxygen content is 40%, and the curing is performed for 4 hours; (A3)温度85℃，湿度0%，通入富氧空气，使固化箱的压力维持在-0.08MPa，氧气含量在35%，干燥10小时。(A3) The temperature is 85°C, the humidity is 0%, the oxygen-enriched air is introduced, the pressure of the curing box is maintained at -0.08MPa, the oxygen content is 35%, and the drying is performed for 10 hours. 3.根据权利要求1所述的铅酸电池用生极板固化干燥工艺，其特征在于：3. lead-acid battery green plate solidification and drying process according to claim 1, is characterized in that: (A1)将涂制好铅膏的正生极板置于温度40℃，湿度98%的固化室内，固化5小时；(A1) The positive electrode plate coated with lead paste is placed in a curing room with a temperature of 40 ° C and a humidity of 98%, and cured for 5 hours; (A2)温度80℃，湿度98%，通入富氧空气，使固化箱的压力维持在0.4MPa，氧气含量在35%，固化6小时；(A2) The temperature is 80°C, the humidity is 98%, oxygen-enriched air is introduced, the pressure of the curing box is maintained at 0.4MPa, the oxygen content is 35%, and the curing is performed for 6 hours; (A3)温度85℃，湿度0%，通入富氧空气，使固化箱的压力维持在-0.04MPa，氧气含量在40%，干燥8小时。(A3) The temperature is 85°C, the humidity is 0%, the oxygen-enriched air is introduced, the pressure of the curing box is maintained at -0.04MPa, the oxygen content is 40%, and the drying is performed for 8 hours. 4.根据权利要求1、2或3所述的铅酸电池用生极板固化干燥工艺，其特征在于：在步骤(A3)中，干燥完毕后，在固化室中放入过氧化钙，过氧化钙加入量为0.2~1.0g/ L。4. The green electrode plate solidification and drying process for lead-acid batteries according to claim 1, 2 or 3, characterized in that: in step (A3), after drying, put calcium peroxide in the solidification chamber, and pass The amount of calcium oxide added is 0.2~1.0g/L. 5.根据权利要求1所述的铅酸电池用生极板固化干燥工艺，其特征在于：5. lead-acid battery green plate solidification drying process according to claim 1, is characterized in that: (B1)将涂制好铅膏的负生极板置于温度45℃，湿度98%的固化室内，固化4小时；(B1) The negative electrode plate coated with lead paste is placed in a curing room with a temperature of 45 ° C and a humidity of 98%, and cured for 4 hours; (B2)温度50℃，湿度98%，通入富氧空气，使固化箱的压力维持在0.6MPa，氧气含量在40%，固化4小时；(B2) The temperature is 50°C, the humidity is 98%, oxygen-enriched air is introduced, the pressure of the curing box is maintained at 0.6MPa, the oxygen content is 40%, and the curing is 4 hours; (B3)温度85℃，湿度0%，通入富氧空气，使固化箱的压力维持在-0.08MPa，氧气含量在35%，干燥10小时，降温至室温。(B3) The temperature is 85°C, the humidity is 0%, oxygen-enriched air is introduced, the pressure of the curing box is maintained at -0.08MPa, the oxygen content is at 35%, dried for 10 hours, and cooled to room temperature. 6.根据权利要求1所述的铅酸电池用生极板固化干燥工艺，其特征在于：(B1)将涂制好铅膏的负生极板置于温度45℃，湿度98%的固化室内，固化5小时；6. lead-acid battery green plate solidification and drying process according to claim 1, is characterized in that: (B1) the negative green plate coated with lead paste is placed in temperature 45 DEG C, the curing room of humidity 98% , curing for 5 hours; (B2)温度50℃，湿度98%，通入富氧空气，使固化箱的压力维持在0.4MPa，氧气含量在35%，固化6小时；(B2) The temperature is 50°C, the humidity is 98%, oxygen-enriched air is introduced, the pressure of the curing box is maintained at 0.4MPa, the oxygen content is 35%, and the curing is performed for 6 hours; (B3)温度85℃，湿度0%，通入富氧空气，使固化箱的压力维持在-0.04MPa，氧气含量在40%，干燥8小时，降温至室温。(B3) The temperature is 85°C, the humidity is 0%, oxygen-enriched air is introduced, the pressure of the curing box is maintained at -0.04MPa, the oxygen content is at 40%, dried for 8 hours, and cooled to room temperature. 7.根据权利要求1所述的铅酸电池用生极板固化干燥工艺，其特征在于：在步骤(B3)中，干燥完毕后，降温时，可以在固化室中放入过氧化钙，过氧化钙加入量为0.1~1.0g/ L。7. lead-acid battery green plate solidification drying process according to claim 1, is characterized in that: in step (B3), after drying, during cooling, can put calcium peroxide in solidifying chamber, pass The amount of calcium oxide added is 0.1~1.0g/L.
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CN111710836A (en) * 2020-06-24 2020-09-25 山东修车匠车业有限公司 Curing process for positive plate of lead-acid storage battery for electric automobile
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