CN104600255A - Curing process of lead-acid storage battery plate - Google Patents
Curing process of lead-acid storage battery plate Download PDFInfo
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- CN104600255A CN104600255A CN201410850453.3A CN201410850453A CN104600255A CN 104600255 A CN104600255 A CN 104600255A CN 201410850453 A CN201410850453 A CN 201410850453A CN 104600255 A CN104600255 A CN 104600255A
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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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- 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
Abstract
The invention discloses a curing process of a lead-acid storage battery plate. The process comprises a curing step and a drying step; the curing step comprises sequentially the following stages: (1) the temperature is 54-56 DEG C, the humidity is 100%, and the curing time is 25-35min; (2) the temperature is 74-76 DEG C, the humidity is 98-100%, and the curing time is 5.5-6.5h; (3) the temperature is 64-66 DEG C, the humidity is 97-99%, and the curing time is 50-70min; (4) the temperature is 58-62 DEG C, the humidity is 97-99%, and the curing time is 9.5-10.5h; (5) the temperature is 51-53 DEG C, the humidity is 94-96%, and the curing time is 18.5-19.5h; (6) the temperature is 49-51 DEG C, the humidity is 84-86%, and the curing time is 8-9h; (7) the temperature is 47-49 DEG C, the humidity is 64-66%, and the curing time is 4-5h; and (8) the temperature is 39-41 DEG C, the humidity is 49-51%, and the curing time is 50-70min. According to the invention, the plate is cured by high-temperature segmental curing process, the size of the active substance crystals in the obtained plate is uniform, the porosity is high, and the ratio of alpha-PbO and beta-PbO is near to 1:1.25.
Description
Technical field
The invention belongs to polar plate of lead acid storage battery and manufacture field, be specifically related to a kind of curing process of polar plate of lead acid storage battery.
Background technology
Lead acid accumulator generally comprises positive plate, negative plate, dividing plate, electrolyte, bus-bar, positive terminal and negative terminal, and wherein positive plate, negative plate are the core components of storage battery.The conventional fabrication process of pole plate is generally first use lead powder and dilute sulfuric acid and the rear full-filling of additive mixing in grid surface, then carries out normal temperature cure drying.Pole plate is in the process of solidification, metallic lead also forms tribasic lead sulfate and a certain proportion of four basic lead sulphates while being oxidized further and generating lead oxide, the pole plate solidified corrodes into lead oxide at grid surface, enhances the binding ability of grid muscle and active material.
Green plate solidification is a very important operation in lead-acid storage battery production process, and controlling curing room temperature, relative humidity and curing time well is the key of green plate curing process.If the control not yet in effect of these parameters, in the active material after solidification in green plate, the tribasic lead sulfate and the four basic lead sulphate mixtures that obtain optimal proportion will be difficult to.In use there is pole plate premature capacity loss in the storage battery of conventional curing process manufacture, positive plate is softening, loose, and active material utilization presents the defects such as random change, affects battery life.
For this problem, many producers propose high temperature curing process technology.In existing curing process, be generally first solidify 26 ~ 48h, then drying about 20h, solidification and drying complete in same indoor.
Be internalized into polar plate solidification technique as the notification number Chinese patent literature that is CN 103151499 A discloses one, this curing process comprises: A positive plate curing process: 1) solidify the first stage, temperature 35 ~ 38 DEG C, humidity 98 ~ 99%, time 1 ~ 4h; 2) second stage is solidified, temperature 40 ~ 45 DEG C, humidity 98 ~ 100%, time 24h; 3) phase III is solidified, temperature 55 DEG C, humidity 90%, time 16h; 4) the dry first stage, temperature 65 DEG C, humidity 60 ~ 65%, time 10h; 5) dry second stage, temperature 70 C, humidity 10%, time 16h; B negative plate curing process: 1) solidify the first stage, temperature 35 ~ 38 DEG C, humidity 98 ~ 100%, time 1 ~ 4h; 2) second stage is solidified, temperature 40 ~ 45 DEG C, humidity 97 ~ 99%, time 24h; 3) phase III is solidified, temperature 55 DEG C, humidity 90%, time 16h; 4) the dry first stage, temperature 60 C, humidity 60 ~ 65%, time 12h; 5) dry second stage, temperature 70 C, humidity≤10%, time 18h.
As the notification number Chinese patent literature that is CN101908622 B discloses a kind of curing process of power lead-acid storage battery electrode plate, this curing process comprises: (1) first stage: temperature 70 ~ 80 DEG C, humidity >=98%, oxygen content >=19%, time 3 ~ 10h; (2) second stage: temperature 35 ~ 40 DEG C, humidity >=98%, oxygen content >=17%, time 20 ~ 35h, is then warming up to 50 ~ 55 DEG C of solidification 1 ~ 8h; (3) phase III: temperature 80 ~ 90 DEG C, humidity≤10%, time 20 ~ 30h.
The weak point of existing high temperature curing process is, (1) solidification and drying complete in same indoor, humiture at the end of cure stage and drying stage initial time humiture there is larger difference, the stability of pole plate can be affected when completing the conversion of this humiture in same indoor; (2) curing process complete after on pole plate the bond strength of active material not high, useful life is short; The storage battery tankage manufactured is low.
Summary of the invention
The invention provides a kind of curing process of polar plate of lead acid storage battery, utilize this curing process to make pole plate, on pole plate, the bond strength of active material is high, and useful life extends.
A curing process for polar plate of lead acid storage battery, comprise solidification and drying, described solidification comprised successively with the next stage:
(1) first stage: temperature 54 ~ 56 DEG C, under the condition of humidity 100%, 25 ~ 35min is solidified;
(2) second stage: temperature 74 ~ 76 DEG C, solidifies 5.5 ~ 6.5h under the condition of humidity 98 ~ 100%;
(3) phase III: temperature 64 ~ 66 DEG C, under the condition of humidity 97 ~ 99%, 50 ~ 70min is solidified;
(4) fourth stage: temperature 58 ~ 62 DEG C, solidifies 9.5 ~ 10.5h under the condition of humidity 97 ~ 99%;
(5) five-stages: temperature 51 ~ 53 DEG C, solidify 18.5 ~ 19.5h under the condition of humidity 94 ~ 96%;
In (6) the 6th stages: temperature 49 ~ 51 DEG C, under the condition of humidity 84 ~ 86%, solidify 8 ~ 9h;
In (7) the 7th stages: temperature 47 ~ 49 DEG C, under the condition of humidity 64 ~ 66%, solidify 4 ~ 5h;
In (8) the 8th stages: temperature 39 ~ 41 DEG C, under the condition of humidity 49 ~ 51%, solidify 50 ~ 70min.
The present invention adopts high temp. sectional formula curing process to be cured pole plate, completes the conversion of metallic lead to lead oxide, obtain tribasic lead sulfate and the four basic lead sulphate mixed crystals of optimal proportion simultaneously at the five-stage of solidification.Scanning electron microscopic observation finds, crystal grain size is homogeneous, and acicular crystal ratio is higher and be evenly distributed, and agglomerate is few, and porosity is high, can see obvious skeleton structure.After five-stage, curing temperature and humidity reduce gradually, so as the transition stage between cure stage and drying stage, when preventing from having solidified, pole plate proceeds in the lower dry environment of humiture and causes water vapour in pole plate to run off instantaneously at short notice from the too high environment of humiture, impacts the stability of pole plate.
As preferably, described solidification comprised successively with the next stage:
(1) first stage: temperature 55 DEG C, solidify 0.5h under the condition of humidity 100%;
(2) second stage: temperature 75 DEG C, solidify 6h under the condition of humidity 99%;
(3) phase III: temperature 65 DEG C, solidify 1h under the condition of humidity 98%;
(4) fourth stage: at temperature 60 C, solidifies 10h under the condition of humidity 98%;
(5) five-stages: temperature 52 DEG C, solidify 19h under the condition of humidity 95%;
(6) the 6th stages: at temperature 50 C, solidify 8.5h under the condition of humidity 85%;
(7) the 7th stages: temperature 48 DEG C, solidify 4.5h under the condition of humidity 65%;
(8) the 8th stages: temperature 40 DEG C, solidify 1h under the condition of humidity 50%.
Air supply should be ensured, to be converted into the oxygen that lead oxide provides required for metallic lead in solidification process.Generally, as long as oxygen content is not less than 90% of content of oxygen in air in curing environment, specifically can determine according to actual production conditions.In the present invention, in solidification process, keep oxygen content >=19%.
Drying is carried out after having solidified.In the present invention, described solidification and drying are carried out in different indoor respectively.Namely be cured in curing room, after having solidified, pole plate proceeded in hothouse and carry out drying.So be conducive to improving drying stage hydrofuge effect, form the hole because moisture evaporation is formed better, be conducive to the adhesion improving active material simultaneously, improve the intensity of pole plate.
As preferably, described drying comprised successively with the next stage:
(1) first stage: temperature 64 ~ 66 DEG C, dry 2 ~ 3h under the condition of humidity 49 ~ 51%;
(2) second stage: temperature 68 ~ 72 DEG C, dry 2.5 ~ 3.5h under the condition of humidity 28 ~ 32%;
(3) phase III: temperature 74 ~ 76 DEG C, dry 50 ~ 70min under the condition of humidity 8 ~ 12%;
(4) fourth stage: temperature 78 ~ 82 DEG C, humidity is dry 5.5 ~ 6.5h under the condition of zero;
(5) five-stages: temperature 68 ~ 72 DEG C, humidity is dry 1.5 ~ 2.5h under the condition of zero;
In (6) the 6th stages: temperature 43 ~ 47 DEG C, humidity is dry 25 ~ 35min under the condition of zero.
Utilize drying program of the present invention, drying time, comparatively prior art (about 20 ~ 30h) significantly shortened, and was only 12.5 ~ 19h.
In dry run, the oxygen content of dry environment is not limited.
As preferred further, described drying comprised successively with the next stage:
(1) first stage: temperature 65 DEG C, dry 2.5h under the condition of humidity 50%;
(2) second stage: at temperature 70 C, dry 3h under the condition of humidity 30%;
(3) phase III: temperature 75 DEG C, dry 1h under the condition of humidity 10%%;
(4) fourth stage: temperature 80 DEG C, humidity is dry 6h under the condition of zero;
(5) five-stages: at temperature 70 C, humidity is dry 2h under the condition of zero;
In (6) the 6th stages: at temperature 45 C, humidity is dry 0.5h under the condition of zero.
As preferably, in solidification and dry run, the interval between two-plate is greater than 2mm.To avoid, in solidification or dry run, causing regional area humiture too low or too high because polar plate spacing is too little, or it is not smooth to cause air in local area to circulate.
Compared with prior art, beneficial effect of the present invention is:
(1) the present invention adopts high temp. sectional formula curing process to be cured pole plate, the conversion of metallic lead to lead oxide is completed at the five-stage of solidification, after five-stage, curing temperature and humidity reduce gradually, as the transition stage between solidification and drying, when preventing from having solidified, pole plate proceeds in the lower dry environment of humiture and causes water vapour in pole plate to run off instantaneously at short notice from the too high environment of humiture, impacts the stability of pole plate;
(2) solidification of the present invention and drying are carried out in different indoor, not only increase the hydrofuge effect of drying stage, thus can form the hole because moisture evaporation is formed better, improve the adhesion of active material, improve the intensity of pole plate; Significantly shorten drying time simultaneously;
(3) in the pole plate utilizing curing process of the present invention to make, active substance crystals particle size is homogeneous, and acicular crystal ratio is higher and be evenly distributed, and agglomerate is few, and porosity is high, can see obvious skeleton structure; And the ratio of α-PbO and β-PbO is close to 1:1.25, after making storage battery further, battery capacity and cycle-index all increase considerably than traditional handicraft.
Accompanying drawing explanation
Fig. 1 is the scanning electron microscope (SEM) photograph that embodiment 1 technique for solidifying lead acid battery polar plate obtains pole plate;
Fig. 2 is the scanning electron microscope (SEM) photograph that embodiment 2 technique for solidifying lead acid battery polar plate obtains pole plate;
Fig. 3 is the scanning electron microscope (SEM) photograph that comparative example 1 technique for solidifying lead acid battery polar plate obtains pole plate;
Fig. 4 is the scanning electron microscope (SEM) photograph that comparative example 2 technique for solidifying lead acid battery polar plate obtains pole plate.
Embodiment
Below in conjunction with the drawings and specific embodiments to the present invention as further description.
Embodiment 1
Respectively for the green plate of 20Ah, 12Ah, the curing process of a kind of polar plate of lead acid storage battery of the present embodiment, comprises the following steps:
(1) solidify:
Be solidificated in curing room and carry out, solidify each stage parameter as table 1.
The parameter of each stage employing in table 1 program curing
Note: the circulating fan rotating speed defined in table 1, shutter aperture and go out throttle opening numerical value is only be not less than 19% to control oxygen content in curing room, controls curing room humidity to respective value simultaneously, lower with.
(2) dry:
Carry out drying after having solidified, drying is carried out in hothouse, and dry each stage parameter is as table 2.
The parameter of each stage employing in table 2 drying program
Note: the circulating fan rotating speed defined in table 2 reaches maximum is by passing into dry air to reduce hothouse humidity in hothouse; Shutter aperture and go out throttle opening and reach maximum is in order to hydrofuge as far as possible, lower with.
(3) this enforcement solidification and dry run in, the interval of two-plate is all at more than 2mm; By to jet atomization water adjustment humidity in curing room and hothouse, when humidity reaches set point, close atomized water, in curing room and hothouse, spray into air, ensure indoor oxygen supply.
Embodiment 2
Respectively for the green plate of 20Ah, 12Ah, the curing process of the present embodiment polar plate of lead acid storage battery, its device therefor is identical with embodiment 1, and in program curing, the parameter of each stage employing is as table 3, and in drying program, the parameter of each stage employing is as table 4.
The parameter of each stage employing in table 3 program curing
Note: the circulating fan rotating speed defined in table 3, shutter aperture and go out throttle opening numerical value is only be not less than 19% to control oxygen content in curing room, controls curing room humidity to respective value simultaneously.
The parameter of each stage employing in table 4 drying program
Note: the circulating fan rotating speed defined in table 2 reaches maximum is by passing into dry air to reduce hothouse humidity in hothouse; Shutter aperture and go out throttle opening and reach maximum is in order to hydrofuge as far as possible.
Comparative example 1
Respectively for the green plate of 20Ah, 12Ah, adopt traditional curing process to be cured pole plate, solidification and drying are carried out in same indoor, and in its curing process, the parameter of each stage employing is as shown in table 5.
The parameter of each stage employing in table 5 curing process
Note: the circulating fan rotating speed defined in program curing, shutter aperture and go out throttle opening numerical value is only be not less than 19% to control oxygen content in curing room, controls curing room humidity to respective value simultaneously;
Circulating fan rotating speed defined in drying program reaches maximum, is by passing into dry air to reduce hothouse humidity in hothouse; Shutter aperture and go out throttle opening and reach maximum is in order to hydrofuge as far as possible.
Comparative example 2
Respectively for the green plate of 20Ah, 12Ah, adopt traditional curing process to be cured pole plate, solidification and drying are carried out in same indoor, and in its curing process, the parameter of each stage employing is as shown in table 6.
The parameter of each stage employing in table 6 curing process
Note: the circulating fan rotating speed defined in program curing, shutter aperture and go out throttle opening numerical value is only be not less than 19% to control oxygen content in curing room, controls curing room humidity to respective value simultaneously;
Circulating fan rotating speed defined in drying program reaches maximum, is by passing into dry air to reduce hothouse humidity in hothouse; Shutter aperture and go out throttle opening and reach maximum is in order to hydrofuge as far as possible.
Test example 1
Detect respectively embodiment 1, embodiment 2 in the curing process, at the end of drying, moisture and free lead content in pole plate.Testing result is respectively in table 7 ~ 10.
Moisture and free lead content in pole plate during table 7 embodiment 1 program curing each time point
Moisture and free lead content in pole plate at the end of table 8 embodiment 1 drying program
Moisture and free lead content in pole plate during table 9 embodiment 2 program curing each time point
Moisture and free lead content in pole plate at the end of table 10 embodiment 2 drying program
From table 7 ~ table 10, in the pole plate that the curing process of embodiment 1 and embodiment 2 is obtained, moisture and free lead content meet the requirement of lead acid accumulator industry.
Test example 2
The pole plate that the curing process of embodiment of learning from else's experience respectively 1 ~ 2, comparative example 1 ~ 2 is obtained, utilizes ESEM to carry out observing the crystal structure of polar board surface.Observed result is as Fig. 1 ~ 4.
As shown in Figure 1, the pole plate that embodiment 1 is obtained, its surface integral crystal grain size is homogeneous, acicular crystal account for higher proportion and is uniformly distributed, and agglomerate is few, and porosity is high, and obvious skeleton structure can be seen, meet the condition preparing high power capacity high life battery.
As shown in Figure 2, the pole plate that embodiment 2 is obtained, less in the void ratio Fig. 3 on its surface, structure is tightr, can see obvious skeleton structure, and also with tiny particle in skeleton structure.
As shown in Figure 3, the pole plate that comparative example 1 is obtained, the crystal size on its surface differs greatly, and hole is less; Crystal mostly is block or sheet, and have small part to be acicular crystal, the feature according to four basic lead sulphates and tribasic lead sulfate crystals can judge, four basic lead sulphate crystal account for few part.
As shown in Figure 4, the pole plate that comparative example 2 is obtained, the crystal size on its surface is relatively more even, and acicular crystal is also many, and namely the ratio that accounts for of four basic lead sulphates is higher, but agglomerate is more serious, distribution of pores is uneven and hole is comparatively large, and macropore by the pressure compaction of battery pole plates, can reduce the true area participating in reaction on the contrary after compacting, battery capacity just have dropped, and does not still reach the requirement preparing high power capacity high cycle life battery.
Test example 3
One of main component of lead plaster is lead oxide, lead oxide divides α-PbO and β-PbO, α-PbO is the skeleton of active material, capacity is smaller, β-PbO depends on above the skeleton of α-PbO formation, when only having the ratio of α-PbO and β-PbO to reach 1:1.25 in theory, storage battery just can show best performance.Therefore this test example is learnt from else's experience the obtained pole plate of curing process of embodiment 1 ~ 2, comparative example 1 ~ 2 respectively, and carry out XRD analysis, analysis result is in table 11.
The XRD analysis result of each pole plate of table 11
| α-PbO | β-PbO | |
| Comparative example 1 | 45.4％ | 3.9％ |
| Comparative example 2 | 30.2％ | 15.6 |
| Embodiment 1 | 17.9％ | 29.5％ |
| Embodiment 2 | 19.8％ | 25％ |
From table 11, comparative example 1 and comparative example 2 pole plate active material in α-PbO content excessive, the battery capacity causing utilizing this pole plate to prepare is too small; And in the active material of embodiment 1 pole plate, α-PbO accounts for the ratio that 17.9%, β-PbO accounts for 29.5%, α-PbO and β-PbO is 1:1.65; In the active material of embodiment 2 pole plate, α-PbO accounts for the ratio that 19.8%, β-PbO accounts for 25%, α-PbO and β-PbO is 1:1.26, with theoretical proportions 1:1.25 closely.
Test example 4
In order to detect the performance of the pole plate prepared by the inventive method further, utilize the pole plate through the curing process of embodiment 1 ~ 2, comparative example 1 ~ 2 is obtained to prepare battery respectively, and carry out battery capacity and cycle-index test to battery, test result is in table 12.
The battery capacity of each battery of table 12 and cycle-index
| Battery capacity (2 hour rate) | Cycle-index | |
| Comparative example 1 | 129min | 329 times |
| Comparative example 2 | 128min | 326 times |
| Embodiment 1 | 133min | 378 times |
| Embodiment 2 | 136min | 396 times |
From table 12, the battery prepared by embodiment 1 ~ 2 pole plate, its battery capacity and cycle-index are all large than comparative example 1 ~ 2; Show that the pole plate performance utilizing polar plate solidification technique of the present invention obtained is more stable, longer service life.
Claims (7)
1. a curing process for polar plate of lead acid storage battery, comprise solidification and drying, it is characterized in that, described solidification comprised successively with the next stage:
(1) first stage: temperature 54 ~ 56 DEG C, under the condition of humidity 100%, 25 ~ 35min is solidified;
(2) second stage: temperature 74 ~ 76 DEG C, solidifies 5.5 ~ 6.5h under the condition of humidity 98 ~ 100%;
(3) phase III: temperature 64 ~ 66 DEG C, under the condition of humidity 97 ~ 99%, 50 ~ 70min is solidified;
(4) fourth stage: temperature 58 ~ 62 DEG C, solidifies 9.5 ~ 10.5h under the condition of humidity 97 ~ 99%;
(5) five-stages: temperature 51 ~ 53 DEG C, solidify 18.5 ~ 19.5h under the condition of humidity 94 ~ 96%;
In (6) the 6th stages: temperature 49 ~ 51 DEG C, under the condition of humidity 84 ~ 86%, solidify 8 ~ 9h;
In (7) the 7th stages: temperature 47 ~ 49 DEG C, under the condition of humidity 64 ~ 66%, solidify 4 ~ 5h;
In (8) the 8th stages: temperature 39 ~ 41 DEG C, under the condition of humidity 49 ~ 51%, solidify 50 ~ 70min.
2. curing process as claimed in claim 1, it is characterized in that, described solidification comprised successively with the next stage:
(1) first stage: temperature 55 DEG C, solidify 0.5h under the condition of humidity 100%;
(2) second stage: temperature 75 DEG C, solidify 6h under the condition of humidity 99%;
(3) phase III: temperature 65 DEG C, solidify 1h under the condition of humidity 98%;
(4) fourth stage: at temperature 60 C, solidifies 10h under the condition of humidity 98%;
(5) five-stages: temperature 52 DEG C, solidify 19h under the condition of humidity 95%;
(6) the 6th stages: at temperature 50 C, solidify 8.5h under the condition of humidity 85%;
(7) the 7th stages: temperature 48 DEG C, solidify 4.5h under the condition of humidity 65%;
(8) the 8th stages: temperature 40 DEG C, solidify 1h under the condition of humidity 50%.
3. curing process as claimed in claim 1, is characterized in that, keep oxygen content >=19% in solidification process.
4. curing process as claimed in claim 1, it is characterized in that, described drying comprised successively with the next stage:
(1) first stage: temperature 64 ~ 66 DEG C, dry 2 ~ 3h under the condition of humidity 49 ~ 51%;
(2) second stage: temperature 68 ~ 72 DEG C, dry 2.5 ~ 3.5h under the condition of humidity 28 ~ 32%;
(3) phase III: temperature 74 ~ 76 DEG C, dry 50 ~ 70min under the condition of humidity 8 ~ 12%;
(4) fourth stage: temperature 78 ~ 82 DEG C, humidity is dry 5.5 ~ 6.5h under the condition of zero;
(5) five-stages: temperature 68 ~ 72 DEG C, humidity is dry 1.5 ~ 2.5h under the condition of zero;
In (6) the 6th stages: temperature 43 ~ 47 DEG C, humidity is dry 25 ~ 35min under the condition of zero.
5. curing process as claimed in claim 4, it is characterized in that, described drying comprised successively with the next stage:
(1) first stage: temperature 65 DEG C, dry 2.5h under the condition of humidity 50%;
(2) second stage: at temperature 70 C, dry 3h under the condition of humidity 30%;
(3) phase III: temperature 75 DEG C, dry 1h under the condition of humidity 10%%;
(4) fourth stage: temperature 80 DEG C, humidity is dry 6h under the condition of zero;
(5) five-stages: at temperature 70 C, humidity is dry 2h under the condition of zero;
In (6) the 6th stages: at temperature 45 C, humidity is dry 0.5h under the condition of zero.
6. the curing process as described in as arbitrary in Claims 1 to 5, is characterized in that, described solidification and dryly to carry out in different indoor respectively.
7. the curing process as described in as arbitrary in Claims 1 to 5, is characterized in that, in solidification and dry run, the interval between two-plate is greater than 2mm.
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| CN105406031A (en) * | 2015-12-08 | 2016-03-16 | 超威电源有限公司 | Negative electrode lead paste of lead-acid accumulator |
| 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 |
| CN105428603A (en) * | 2015-11-19 | 2016-03-23 | 浙江天能动力能源有限公司 | Curing process for negative plate of lead acid battery |
| CN105633399A (en) * | 2016-01-12 | 2016-06-01 | 超威电源有限公司 | High-specific-energy lead-acid battery easy for formation |
| 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 |
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| 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 |
| 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 |
| CN109585900A (en) * | 2018-11-30 | 2019-04-05 | 天能电池(芜湖)有限公司 | A kind of long-life formula 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 |
| 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 |
| CN114976039A (en) * | 2022-04-28 | 2022-08-30 | 浙江天能汽车电池有限公司 | Curing process of positive plate of storage battery |
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