CN104600255B - A kind of curing process of polar plate of lead acid storage battery - Google Patents
A kind of curing process of polar plate of lead acid storage battery Download PDFInfo
- Publication number
- CN104600255B CN104600255B CN201410850453.3A CN201410850453A CN104600255B CN 104600255 B CN104600255 B CN 104600255B CN 201410850453 A CN201410850453 A CN 201410850453A CN 104600255 B CN104600255 B CN 104600255B
- Authority
- CN
- China
- Prior art keywords
- humidity
- temperature
- under conditions
- stage
- dried
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 52
- 239000002253 acid Substances 0.000 title claims abstract description 18
- 238000003860 storage Methods 0.000 title claims abstract description 12
- 238000007711 solidification Methods 0.000 claims abstract description 36
- 230000008023 solidification Effects 0.000 claims abstract description 36
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims 1
- 239000013078 crystal Substances 0.000 abstract description 16
- 239000013543 active substance Substances 0.000 abstract description 12
- 239000002245 particle Substances 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 16
- 229910006529 α-PbO Inorganic materials 0.000 description 11
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 7
- 229910000464 lead oxide Inorganic materials 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000009432 framing Methods 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 3
- OCWMFVJKFWXKNZ-UHFFFAOYSA-L lead(2+);oxygen(2-);sulfate Chemical compound [O-2].[O-2].[O-2].[Pb+2].[Pb+2].[Pb+2].[Pb+2].[O-]S([O-])(=O)=O OCWMFVJKFWXKNZ-UHFFFAOYSA-L 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- RYZCLUQMCYZBJQ-UHFFFAOYSA-H lead(2+);dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].[O-]C([O-])=O.[O-]C([O-])=O RYZCLUQMCYZBJQ-UHFFFAOYSA-H 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- 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
The invention discloses the curing process of a kind of polar plate of lead acid storage battery, this technique includes solidification and is dried, and solidification included successively with the next stage: (1) temperature 54～56 DEG C, humidity 100%, 25～35min；(2) temperature 74～76 DEG C, humidity 98～100%, 5.5～6.5h；(3) temperature 64～66 DEG C, humidity 97～99%, 50～70min；(4) temperature 58～62 DEG C, humidity 97～99%, 9.5～10.5h；(5) temperature 51～53 DEG C, humidity 94～96%, 18.5～19.5h；(6) temperature 49～51 DEG C, humidity 84～86%, 8～9h；(7) temperature 47～49 DEG C, humidity 64～66%, 4～5h；(8) temperature 39～41 DEG C, humidity 49～51%, 50～70min.The present invention uses high temp. sectional formula curing process to solidify pole plate, it is thus achieved that pole plate in active substance crystals particle size homogeneous, porosity is high, and the ratio of α PbO and β PbO is close 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 polar plate of lead acid storage battery
Curing process.
Background technology
Lead-acid accumulator generally comprises positive plate, negative plate, dividing plate, electrolyte, bus-bar, positive pole
Post and negative terminal, wherein positive plate, negative plate are the core components of accumulator.The tradition system of pole plate
After making process the most first use Hydrocerussitum (Ceruse) and dilute sulfuric acid and additive mixing, full-filling is in grid surface, then carries out
Normal temperature cure is dried.Pole plate is during solidification, and metallic lead aoxidizes further and generates the same of lead oxide
Time also form tribasic lead sulfate and a certain proportion of four basic lead sulphates, the pole plate solidified is at plate
Grid surface corrosion becomes lead oxide, enhances the binding ability of grid muscle and active substance.
Green plate solidification is a highly important operation during lead-acid storage battery production, controls well solid
Change the key that room temperature, relative humidity and hardening time are green plate curing process.If these ginsengs
Number control not yet in effect, will be difficult to obtain three alkali of optimal proportion in the active substance in green plate after solidification
Formula lead sulfate and four basic lead sulphate mixture.The accumulator that conventional curing process manufactures is in the process of use
In there is pole plate premature capacity loss, positive plate softens, loose, and active material utilization presents random
The defects such as change, affect battery life.
For this problem, many producers propose high temperature curing process technology.Existing curing process
In, it is usually first solidification 26～48h, then is dried about 20h, solidify and be dried in same indoor complete
Become.
It is internalized into pole plate as Chinese patent literature that notification number is CN 103151499 A discloses one
Curing process, this curing process includes: A positive plate curing process: 1) the solidification first stage, temperature
Spend 35～38 DEG C, humidity 98～99%, the time 1～4h；2) solidification second stage, temperature 40～45 DEG C,
Humidity 98～100%, time 24h；3) the solidification phase III, temperature 55 DEG C, humidity 90%, time
Between 16h；4) it is dried first stage, temperature 65 DEG C, humidity 60～65%, time 10h；5) dry
Dry second stage, temperature 70 C, humidity 10%, time 16h；B negative plate curing process: 1)
The solidification first stage, temperature 35～38 DEG C, humidity 98～100%, the time 1～4h；2) solidification second
Stage, temperature 40～45 DEG C, humidity 97～99%, time 24h；3) solidification phase III, temperature
55 DEG C, humidity 90%, time 16h；4) it is dried the first stage, temperature 60 C, humidity 60～65%,
Time 12h；5) it is dried second stage, temperature 70 C, humidity≤10%, time 18h.
Chinese patent literature if notification number is CN101908622 B discloses a kind of power lead-acid
The curing process of accumulator plate, this curing process includes: (1) first stage: temperature 70～80 DEG C,
Humidity >=98%, oxygen content >=19%, the time 3～10h；(2) second stage: temperature 35～40 DEG C,
Humidity >=98%, oxygen content >=17%, the time 20～35h, then it is warming up to 50～55 DEG C of solidifications 1～8
h；(3) phase III: temperature 80～90 DEG C, humidity≤10%, the time 20～30h.
Existing high temperature curing process is disadvantageous in that, (1) solidifies and is dried in same indoor complete
Becoming, there is larger difference in the humiture when humiture at the end of cure stage and drying stage initiate,
The stability of pole plate can be affected when same indoor complete the conversion of this humiture；(2) solidification work
Skill complete after on pole plate the bond strength of active substance the highest, service life is short；The storage battery manufactured
Tankage is low.
Summary of the invention
The invention provides the curing process of a kind of polar plate of lead acid storage battery, utilize this curing process to make
Pole plate, on pole plate, the bond strength of active substance is high, and service life extends.
The curing process of a kind of polar plate of lead acid storage battery, including solidifying and being dried, described solidification is wrapped successively
Include with the next stage:
(1) first stage: temperature 54～56 DEG C, 25～35min under conditions of humidity 100%, are solidified；
(2) second stage: temperature 74～76 DEG C, solidifies 5.5～6.5 under conditions of humidity 98～100%
h；
(3) phase III: temperature 64～66 DEG C, 50～70 under conditions of humidity 97～99%, are solidified
min；
(4) fourth stage: temperature 58～62 DEG C, solidifies 9.5～10.5 under conditions of humidity 97～99%
h；
In (5) the 5th stages: temperature 51～53 DEG C, under conditions of humidity 94～96%, solidify 18.5～19.5
h；
In (6) the 6th stages: temperature 49～51 DEG C, under conditions of humidity 84～86%, solidify 8～9h；
In (7) the 7th stages: temperature 47～49 DEG C, under conditions of humidity 64～66%, solidify 4～5h；
In (8) the 8th stages: temperature 39～41 DEG C, under conditions of humidity 49～51%, solidify 50～70
min。
The present invention uses high temp. sectional formula curing process to solidify pole plate, in the 5th stage of solidification
Complete the metallic lead conversion to lead oxide, obtain tribasic lead sulfate and the four alkali formulas of optimal proportion simultaneously
Lead sulfate mixed crystal.Scanning electron microscopic observation finds, crystal grain size is homogeneous, acicular crystal ratio
Higher and be evenly distributed, agglomerate is few, and porosity is high, it can be seen that significantly framing structure.The 5th
After stage, solidification temperature and humidity are gradually lowered, so as between cure stage and drying stage
Transition stage, when preventing from having solidified, to proceed to humiture from the too high environment of humiture relatively low for pole plate
Dry environment causes water vapour moment at short notice in pole plate run off, the stability of pole plate is made
Become impact.
As preferably, described solidification included successively with the next stage:
(1) first stage: temperature 55 DEG C, 0.5h under conditions of humidity 100%, is solidified；
(2) second stage: temperature 75 DEG C, solidifies 6h under conditions of humidity 99%；
(3) phase III: temperature 65 DEG C, 1h under conditions of humidity 98%, is solidified；
(4) fourth stage: solidify 10h under conditions of temperature 60 C, humidity 98%；
(5) the 5th stages: solidify 19h under conditions of temperature 52 DEG C, humidity 95%；
(6) the 6th stages: solidify 8.5h under conditions of temperature 50 C, humidity 85%；
(7) the 7th stages: solidify 4.5h under conditions of temperature 48 DEG C, humidity 65%；
(8) the 8th stages: solidify 1h under conditions of temperature 40 DEG C, humidity 50%.
Solidification process should ensure that air supply, in order to be converted into lead oxide for metallic lead and provide required
Oxygen.Generally, as long as oxygen content is not less than content of oxygen in air in curing environment
90%, specifically can be according to actual production conditions depending on.In the present invention, solidification process keeps oxygen
Gas content >=19%.
It is dried after having solidified.In the present invention, described solidification and be dried respectively in different indoor
Carry out.I.e. solidify in curing room, be dried in pole plate is proceeded to after having solidified hothouse.
So be conducive to improving drying stage dehumidifying effect, preferably form the hole formed because of moisture evaporation,
Be conducive to improving the adhesion of active substance simultaneously, improve the intensity of pole plate.
As preferably, described being dried included successively with the next stage:
(1) first stage: temperature 64～66 DEG C, 2～3h under conditions of humidity 49～51%, it are dried；
(2) second stage: temperature 68～72 DEG C, is dried 2.5～3.5 under conditions of humidity 28～32%
h；
(3) phase III: temperature 74～76 DEG C, 50～70min under conditions of humidity 8～12%, it are dried；
(4) fourth stage: temperature 78～82 DEG C, humidity is to be dried 5.5～6.5h under conditions of zero；
In (5) the 5th stages: temperature 68～72 DEG C, humidity is to be dried 1.5～2.5h under conditions of zero；
In (6) the 6th stages: temperature 43～47 DEG C, humidity is to be dried 25～35min under conditions of zero.
Utilizing the drying program of the present invention, relatively prior art drying time (about 20～30h) significantly contracts
Short, only 12.5～19h.
In dry run, the oxygen content to dry environment does not limit.
As further preferably, described being dried included successively with the next stage:
(1) first stage: temperature 65 DEG C, 2.5h under conditions of humidity 50%, it is dried；
(2) second stage: be dried 3h under conditions of temperature 70 C, humidity 30%；
(3) phase III: temperature 75 DEG C, 1h under conditions of humidity 10%%, it is dried；
(4) fourth stage: temperature 80 DEG C, humidity is dry 6h under conditions of zero；
In (5) the 5th stages: at temperature 70 C, humidity is dry 2h under conditions of zero；
In (6) the 6th stages: at temperature 45 C, humidity is dry 0.5h under conditions of zero.
As preferably, in solidification and dry run, the interval between two-plate is more than 2mm.To keep away
Exempt from, in solidification or dry run, to cause regional area humiture too low or too high because polar plate spacing is the least,
Or cause air in local area circulation the most smooth.
Compared with prior art, the invention have the benefit that
(1) present invention uses high temp. sectional formula curing process to solidify pole plate, in the of solidification
Five stages completed the metallic lead conversion to lead oxide, and after the 5th stage, solidification temperature and humidity are gradually
Reducing, as the transition stage between solidifying and being dried, when preventing solidification from completing, pole plate is spent from warm and humid
High environment proceed to the dry environment that humiture is relatively low causes in pole plate water vapour in the short time
Interior moment runs off, and impacts the stability of pole plate；
(2) solidification and being dried of the present invention is carried out in different indoor, not only increases drying stage
Dehumidifying effect such that it is able to preferably formed because of moisture evaporation formed hole, improve active substance
Adhesion, improve pole plate intensity；It is greatly shortened drying time simultaneously；
(3) utilize active substance crystals particle size in the pole plate that curing process of the present invention makes homogeneous,
Acicular crystal ratio is higher and is evenly distributed, and agglomerate is few, and porosity is high, it can be seen that significantly skeleton
Structure；And the ratio of α-PbO and β-PbO is close to 1:1.25, after making accumulator further, battery holds
Amount 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 prepares pole plate；
Fig. 2 is the scanning electron microscope (SEM) photograph that embodiment 2 technique for solidifying lead acid battery polar plate prepares pole plate；
Fig. 3 is the scanning electron microscope (SEM) photograph that comparative example 1 technique for solidifying lead acid battery polar plate prepares pole plate；
Fig. 4 is the scanning electron microscope (SEM) photograph that comparative example 2 technique for solidifying lead acid battery polar plate prepares pole plate.
Detailed description of the invention
Below in conjunction with the accompanying drawings with detailed description of the invention to the present invention as further description.
Embodiment 1
Respectively as a example by the green plate of 20Ah, 12Ah, a kind of polar plate of lead acid storage battery of the present embodiment
Curing process, comprises the following steps:
(1) solidification:
Carry out in being solidificated in curing room, solidify each stage parameter such as table 1.
The parameter that in table 1 program curing, each stage uses
Note: circulating fan rotating speed, shutter aperture defined in table 1 and go out throttle opening numerical value, merely to control
In curing room processed, oxygen content is not less than 19%, and control curing room humidity is to respective value simultaneously, lower same.
(2) it is dried:
It is dried after having solidified, is dried in hothouse and carries out, be dried each stage parameter such as table 2.
The parameter that in table 2 drying program, each stage uses
Note: the circulating fan rotating speed defined in table 2 reaches maximum, be by be passed through in hothouse dry air with
Reduce hothouse humidity；Shutter aperture and go out throttle opening and reach maximum, is for dehumidifying as far as possible, lower with.
(3) this enforcement solidification is with in dry run, and the interval of two-plate is all at more than 2mm；Logical
Cross jet atomization water in curing room and hothouse and adjust humidity, when humidity reaches setting value, close mist
Change water, in curing room and hothouse, spray into air, it is ensured that indoor oxygen supply.
Embodiment 2
Respectively as a example by the green plate of 20Ah, 12Ah, consolidating of the present embodiment polar plate of lead acid storage battery
Metallization processes, its device therefor is same as in Example 1, the parameter such as table that in program curing, each stage uses
3, the parameter such as table 4 that in drying program, each stage uses.
The parameter that in table 3 program curing, each stage uses
Note: circulating fan rotating speed, shutter aperture defined in table 3 and go out throttle opening numerical value, merely to control
In curing room processed, oxygen content is not less than 19%, controls curing room humidity to respective value simultaneously.
The parameter that in table 4 drying program, each stage uses
Note: the circulating fan rotating speed defined in table 2 reaches maximum, be by be passed through in hothouse dry air with
Reduce hothouse humidity；Shutter aperture and go out throttle opening and reach maximum, is for dehumidifying as far as possible.
Comparative example 1
Respectively as a example by the green plate of 20Ah, 12Ah, use traditional curing process that pole plate is carried out
Solidification, solidifies and is dried and carry out in same indoor, the parameter such as table that in its curing process, each stage uses
Shown in 5.
The parameter that in table 5 curing process, each stage uses
Note: circulating fan rotating speed, shutter aperture defined in program curing and go out throttle opening numerical value, be only for
In control curing room, oxygen content is not less than 19%, controls curing room humidity to respective value simultaneously；
Circulating fan rotating speed defined in drying program reaches maximum, be by be passed through in hothouse dry air with
Reduce hothouse humidity；Shutter aperture and go out throttle opening and reach maximum, is for dehumidifying as far as possible.
Comparative example 2
Respectively as a example by the green plate of 20Ah, 12Ah, use traditional curing process that pole plate is carried out
Solidification, solidifies and is dried and carry out in same indoor, the parameter such as table that in its curing process, each stage uses
Shown in 6.
The parameter that in table 6 curing process, each stage uses
Note: circulating fan rotating speed, shutter aperture defined in program curing and go out throttle opening numerical value, be only for
In control curing room, oxygen content is not less than 19%, controls curing room humidity to respective value simultaneously；
Circulating fan rotating speed defined in drying program reaches maximum, be by be passed through in hothouse dry air with
Reduce hothouse humidity；Shutter aperture and go out throttle opening and reach maximum, is for dehumidifying as far as possible.
Detection example 1
Respectively detection embodiment 1, embodiment 2 in the curing process, be dried at the end of, water in pole plate
Divide and free lead content.Testing result is shown in Table 7～10 respectively.
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, the pole plate that the curing process through embodiment 1 and embodiment 2 prepares
In, moisture and free lead content meet the requirement of lead-acid accumulator industry.
Detection example 2
The pole plate that embodiment of learning from else's experience respectively 1～2, the curing process of comparative example 1～2 prepare, utilizes scanning
Electronic Speculum carries out observing the crystal structure of polar board surface.Observed result such as Fig. 1～4.
As shown in Figure 1, the pole plate that embodiment 1 prepares, its surface bulk crystal particle size is homogeneous,
Acicular crystal account for higher proportion and is uniformly distributed, and agglomerate is few, and porosity is high, and it can be seen that bright
Aobvious framing structure, meets the condition preparing high power capacity high life battery.
As shown in Figure 2, the pole plate that embodiment 2 prepares, less in void ratio Fig. 3 on its surface,
Structure is tightr, it can be seen that significantly framing structure, and is accompanied by tiny granule in framing structure.
As shown in Figure 3, the pole plate that comparative example 1 prepares, the crystal size on its surface differs greatly, hole
Gap is less；Crystal mostly is block or lamellar, and having small part is acicular crystal, according to four alkali formula sulphuric acid
The feature of lead and tribasic lead sulfate crystals may determine that, four basic lead sulphate crystal account for few part.
As shown in Figure 4, the pole plate that comparative example 2 prepares, the crystal size ratio on its surface is more uniform, pin
Shape crystal also compares many, and the ratio that i.e. four basic lead sulphates account for is higher, but agglomerate is more serious, hole
Skewness and hole are relatively big, and macropore can be reduced after compacting on the contrary by the pressure compaction of battery pole plates
Participating in the true area of reaction, battery capacity just have dropped, still reach to less than preparing high power capacity Gao Xun
The requirement of ring life battery.
Detection example 3
One of main component of lead plaster is lead oxide, and lead oxide divides α-PbO and β-PbO, the α-PbO to be
The skeleton of active substance, capacity is smaller, and β-PbO depends on above the skeleton that α-PbO is constituted, theoretical
When the ratio of upper only α-PbO and β-PbO reaches 1:1.25, accumulator just can show optimal property
Energy.Therefore this test example learn from else's experience respectively embodiment 1～2, comparative example 1～2 curing process prepare pole
Plate, carries out XRD analysis, and analysis result is shown 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 substance in α-PbO content
Excessive, cause the battery capacity utilizing this pole plate to prepare too small；And the active substance of embodiment 1 pole plate
Middle α-PbO accounts for 17.9%, and β-PbO accounts for 29.5%, and the ratio of α-PbO and β-PbO is 1:1.65；
In the active substance of embodiment 2 pole plate, α-PbO accounts for 19.8%, and β-PbO accounts for 25%, α-PbO and β-PbO
Ratio be 1:1.26, with theoretical proportions 1:1.25 closely.
Detection example 4
In order to detect the performance of the pole plate prepared by the inventive method further, it is utilized respectively through embodiment
1～2, battery prepared by the pole plate that the curing process of comparative example 1～2 prepares, and battery is carried out battery appearance
Amount and cycle-index are tested, and test result is shown 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, embodiment 1～2 the pole plate battery prepared, its battery capacity and circulation time
Number is all big than comparative example 1～2；Show the pole plate performance utilizing the polar plate solidification technique of the present invention to prepare
More stable, service life is longer.
Claims (5)
1. a curing process for polar plate of lead acid storage battery, including solidifying and being dried, it is characterised in that
Described solidification included successively with the next stage:
(1) first stage: temperature 54～56 DEG C, 25～35min under conditions of humidity 100%, are solidified；
(2) second stage: temperature 74～76 DEG C, solidifies 5.5～6.5 under conditions of humidity 98～100%
h；
(3) phase III: temperature 64～66 DEG C, 50～70 under conditions of humidity 97～99%, are solidified
min；
(4) fourth stage: temperature 58～62 DEG C, solidifies 9.5～10.5 under conditions of humidity 97～99%
h；
In (5) the 5th stages: temperature 51～53 DEG C, under conditions of humidity 94～96%, solidify 18.5～19.5
h；
In (6) the 6th stages: temperature 49～51 DEG C, under conditions of humidity 84～86%, solidify 8～9h；
In (7) the 7th stages: temperature 47～49 DEG C, under conditions of humidity 64～66%, solidify 4～5h；
In (8) the 8th stages: temperature 39～41 DEG C, under conditions of humidity 49～51%, solidify 50～70
Min,
Described being dried included successively with the next stage:
(1) first stage: temperature 64～66 DEG C, 2～3h under conditions of humidity 49～51%, it are dried；
(2) second stage: temperature 68～72 DEG C, is dried 2.5～3.5 under conditions of humidity 28～32%
h；
(3) phase III: temperature 74～76 DEG C, 50～70min under conditions of humidity 8～12%, it are dried；
(4) fourth stage: temperature 78～82 DEG C, humidity is to be dried 5.5～6.5h under conditions of zero；
In (5) the 5th stages: temperature 68～72 DEG C, humidity is to be dried 1.5～2.5h under conditions of zero；
In (6) the 6th stages: temperature 43～47 DEG C, humidity is to be dried 25～35min under conditions of zero,
Described solidification and be dried carry out in different indoor respectively.
2. curing process as claimed in claim 1, it is characterised in that described solidification includes successively
With the next stage:
(1) first stage: temperature 55 DEG C, 0.5h under conditions of humidity 100%, is solidified；
(2) second stage: temperature 75 DEG C, solidifies 6h under conditions of humidity 99%；
(3) phase III: temperature 65 DEG C, 1h under conditions of humidity 98%, is solidified；
(4) fourth stage: solidify 10h under conditions of temperature 60 C, humidity 98%；
(5) the 5th stages: solidify 19h under conditions of temperature 52 DEG C, humidity 95%；
(6) the 6th stages: solidify 8.5h under conditions of temperature 50 C, humidity 85%；
(7) the 7th stages: solidify 4.5h under conditions of temperature 48 DEG C, humidity 65%；
(8) the 8th stages: solidify 1h under conditions of temperature 40 DEG C, humidity 50%.
3. curing process as claimed in claim 1, it is characterised in that keep oxygen in solidification process
Gas content >=19%.
4. curing process as claimed in claim 1, it is characterised in that described being dried includes successively
With the next stage:
(1) first stage: temperature 65 DEG C, 2.5h under conditions of humidity 50%, it is dried；
(2) second stage: be dried 3h under conditions of temperature 70 C, humidity 30%；
(3) phase III: temperature 75 DEG C, 1h under conditions of humidity 10%%, it is dried；
(4) fourth stage: temperature 80 DEG C, humidity is dry 6h under conditions of zero；
In (5) the 5th stages: at temperature 70 C, humidity is dry 2h under conditions of zero；
In (6) the 6th stages: at temperature 45 C, humidity is dry 0.5h under conditions of zero.
5. the curing process as described in Claims 1 to 4 is arbitrary, it is characterised in that solidify and be dried
During, the interval between two-plate is more than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850453.3A CN104600255B (en) | 2014-12-30 | 2014-12-30 | A kind of curing process of polar plate of lead acid storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850453.3A CN104600255B (en) | 2014-12-30 | 2014-12-30 | A kind of curing process of polar plate of lead acid storage battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104600255A CN104600255A (en) | 2015-05-06 |
| CN104600255B true CN104600255B (en) | 2017-01-04 |
Family
ID=53125891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410850453.3A Active CN104600255B (en) | 2014-12-30 | 2014-12-30 | A kind of curing process of polar plate of lead acid storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104600255B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105428603B (en) * | 2015-11-19 | 2017-10-31 | 浙江天能动力能源有限公司 | A kind of curing process of lead-acid battery negative pole plate |
| CN105406031A (en) * | 2015-12-08 | 2016-03-16 | 超威电源有限公司 | Negative electrode lead paste of lead-acid accumulator |
| CN105633399B (en) * | 2016-01-12 | 2018-07-06 | 超威电源有限公司 | A kind of easily chemical conversion high specific energy lead-acid battery |
| 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 |
| CN107240675A (en) * | 2017-05-15 | 2017-10-10 | 天能电池(芜湖)有限公司 | A kind of improved two days curing process of battery grid |
| 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 |
| 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 |
| 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 |
| 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 |
| CN111710836B (en) * | 2020-06-24 | 2022-03-25 | 山东康洋电源科技有限公司 | Curing process for positive plate of lead-acid storage battery for electric automobile |
| CN114976039B (en) * | 2022-04-28 | 2024-07-16 | 浙江天能汽车电池有限公司 | Curing process of positive plate of storage battery |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5003171B2 (en) * | 2007-01-18 | 2012-08-15 | 新神戸電機株式会社 | Manufacturing method of paste type positive electrode plate |
| CN102683651B (en) * | 2012-05-28 | 2014-05-07 | 江苏超威电源有限公司 | Intermittent sectional quick solidification method for cadmium-free internal formation storage battery |
| CN103151499B (en) * | 2013-01-29 | 2015-04-01 | 超威电源有限公司 | Internal-formation pole plate curing process |
| 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 |
-
2014
- 2014-12-30 CN CN201410850453.3A patent/CN104600255B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104600255A (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104600255B (en) | A kind of curing process of polar plate of lead acid storage battery | |
| CN108232123A (en) | A kind of lead-acid storage battery positive electrode plate for electric curing process | |
| CN105428603B (en) | A kind of curing process of lead-acid battery negative pole plate | |
| CN103441269B (en) | A kind of pyrophosphoric acid lithium/carbon-coated lithium iron phosphate composite and preparation method thereof | |
| CN105322141A (en) | Positive plate curing process of storage battery | |
| CN107221651B (en) | Processing technology of positive plate of lead crystal battery and lead crystal battery | |
| CN103400966A (en) | Curing process for pole plate of lead-acid storage battery | |
| CN101908622A (en) | Process for curing power lead-acid storage battery electrode plate | |
| CN109065846A (en) | Positive electrode plate of lead-acid battery curing process | |
| CN109873124A (en) | A kind of power lead-acid storage battery high temperature curing process | |
| CN100502105C (en) | A curing and drying method used in the manufacture of lead-acid battery raw boards | |
| CN110247024A (en) | A kind of preparation method of accumulator plate lead paste formula and accumulator plate | |
| CN113424348A (en) | Electrochemical device and electronic device | |
| CN107706358A (en) | A kind of polar plate solidification technique prepared for accumulator plate | |
| CN106784540A (en) | A kind of preparation method of the AGM dividing plates of high-specific surface area | |
| CN110400909B (en) | Natural curing process for negative plate of lead-carbon storage battery | |
| CN108172752A (en) | Coating drying process, preparation method and the lithium ion battery of lithium ion battery | |
| CN111009658A (en) | Battery positive lead paste and preparation method and application thereof | |
| CN107342396A (en) | The fast-curing process of accumulator plate | |
| CN104064768B (en) | A kind of preparation method of power type positive electode of lead battery lead plaster | |
| CN108511694A (en) | A kind of polar plate of lead acid storage battery production technology | |
| CN104767003A (en) | Lead-mud deepening treatment and reuse method in storage battery electrode plate coating process | |
| CN108933233A (en) | A kind of lead-acid accumulator anode diachylon and the method that pole plate is prepared using the lead plaster | |
| CN118213707A (en) | High-wettability ceramic diaphragm and preparation method thereof | |
| CN106058162A (en) | Rapid curing drying method for energy source battery positive electrode plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |