CN105576195A - Low-temperature and low-humidity curing process for negative plate of lead-acid storage battery - Google Patents
Low-temperature and low-humidity curing process for negative plate of lead-acid storage battery Download PDFInfo
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- CN105576195A CN105576195A CN201610050616.9A CN201610050616A CN105576195A CN 105576195 A CN105576195 A CN 105576195A CN 201610050616 A CN201610050616 A CN 201610050616A CN 105576195 A CN105576195 A CN 105576195A
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- Prior art keywords
- curing
- low
- temperature
- relative humidity
- solidification
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/14—Electrodes for lead-acid accumulators
- H01M4/16—Processes of manufacture
- H01M4/20—Processes of manufacture of pasted electrodes
- H01M4/21—Drying of pasted electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative 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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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a low-temperature and low-humidity curing process for a negative plate of a lead-acid storage battery. The curing process comprises the following steps: (1) a first stage, putting the leached negative plate into a curing chamber, controlling the temperature of the curing chamber at 40-45 DEG C and the relative humidity at 70%-80% and carrying out curing for 1-3 hours; (2) a second stage, controlling the temperature of the curing chamber at 50-55 DEG C and the relative humidity at 50%-60% and carrying out curing for 1-3 hours; (3) a third stage, controlling the temperature of the curing chamber at 60-65 DEG C and the relative humidity at 40%-50% and carrying out curing for 6-8 hours; and (4) a fourth stage, controlling the temperature of the curing chamber at 60-65 DEG C and the relative humidity to be not more than 10% and carrying out curing for 10-12 hours. The curing process is simple in processing step and high in operability; curing of the negative plate can be achieved under low-temperature and low-humidity conditions by strictly controlling the humidity and the temperature; the curing effect is good; the curing time is greatly shortened; the energy consumption is greatly reduced; and the obtained negative plate is good in structural strength, low in metal lead content and excellent in discharge performance.
Description
Technical field
The present invention relates to lead acid accumulator manufacturing technology field, especially relate to a kind of lead-acid battery negative pole plate low temperature and low humidity curing process.
Background technology
The solidification of pole plate refers to that the pole plate coating cream is under the conditions such as certain temperature and time, completes the plumbous oxidation of free lead and grid rib surface and the recrystallization of basic lead sulphate and the process of sclerosis in lead plaster gelatinization.In the solidification dry run of pole plate, along with the carrying out of the mass transport process of evaporation water, do not allow to destroy its network structure; Meanwhile, before moisture evaporates, also must complete oxidation and the 3PbOPbSO of metallic lead
4h
2the crystallization process of O.Therefore, select curing process time, should strictly control curing temperature, relative humidity and curing time 3 parameters.Several effects in solidification process connect each other, and no matter which kind of effect does not reach, and the effect of solidification all can not be fine, affects capacity and the life-span of battery.
Such as, Shen Qing Publication day 2014.09.24, the Chinese patent of application publication number CN104064734A discloses a kind of technique for solidifying lead acid battery polar plate, the hot setting stage of one 80 ~ 82 DEG C is increased in this technique solidification process, continue 40 ~ 50min, and this hot setting stage arrangement is after low-temperature setting and with before the intermediate temperature setting of after-stage; Proceed to humidity after pole plate smear fast to reach in the solidification drying shed of more than 95%.The weak point of this technique is, when higher temperature, sulfate is with 4PbOPbSO
4form exists, relative to 3PbOPbSO
4h
2o, in charging formation process, is difficult to be converted into active higher U-PbO
2, and easily generate T-PbO2, although the mechanical strength of pole plate is high, its initial capacity is low, and discharge performance is poor.
Summary of the invention
The present invention is that the polar plate solidification time in order to solve prior art is long, energy consumption is high, the problem of discharge performance difference, provide a kind of processing step simple, workable, curing time is short, energy consumption is low, in pole plate, metallic lead content is low, and solidification effect is good, the acid accumulator negative plate low temperature and low humidity curing process that discharge performance is excellent.
To achieve these goals, the present invention is by the following technical solutions:
A kind of lead-acid battery negative pole plate low temperature and low humidity curing process, comprises the following steps:
(1) first stage: the negative plate drenching good acid is placed in curing room, controls curing room temperature 40 ~ 45 DEG C, relative humidity 70 ~ 80%, solidification 1 ~ 3h.In the still unstabilized basic lead sulphate recrystallization that this stage mainly makes conjunction cream be formed, improve the cohesive force between active material particle, make lead plaster material form firmly colloid network structure, and complete grid member oxidation, free lead partial oxidation.
(2) second stage: control curing room temperature 50 ~ 55 DEG C, relative humidity 50 ~ 60%, solidification 1 ~ 3h.This stage mainly completes basic lead sulphate recrystallization, accelerates oxidizing process, improves electrode plate grid rate of corrosion, reduces free lead content further.
(3) phase III: control curing room temperature 60 ~ 65 DEG C, relative humidity 40 ~ 50%, solidification 6 ~ 8h.This stage is extremely important, key is intensification moisturizing, relative humidity is down to 40 ~ 50%, intensification makes moisture evaporation rate in pole plate accelerate, oxidizing process is accelerated, liberated heat is large, its oxidation rate of carrying out with oxidation more and more slows down, and be reach the degree of balance of lead plaster because of steam moisturizing in the dehydration of grid exothermic oxidation and curing room, make the slow dehydration of green plate, relative humidity should should be reduced gradually, otherwise gently then cause pole plate crackle, plate active material loose, make the service life reduction of pole plate, heavy then cause the short circuit of plate shelling storage battery to scrap.
(4) fourth stage: control curing room temperature 60 ~ 65 DEG C, relative humidity≤10%, solidification 10 ~ 12h.The evaporation rate of this stage major control lead plaster moisture content, to ensure that colloid network structure is progressively transitioned into dry state by hygrometric state, and grid surface extent of corrosion is strengthened further, pole plate free lead content progressively drops to process value.
As preferably, in step (1), control curing room temperature 45 C, relative humidity 80%, solidification 2h.
As preferably, in step (2), control curing room temperature 55 DEG C, relative humidity 60%, solidification 2h.
As preferably, in step (3), control curing room temperature 65 DEG C, relative humidity 50%, solidification 8h.
As preferably, in step (4), control curing room temperature 65 DEG C, relative humidity≤10%, solidification 12h.
Therefore, the beneficial effect that the present invention has is: be optimized improvement to curing process, and processing step is simple, workable, by strict controlled humidity and temperature, just can realize the solidification of negative plate at low temperature and low humidity conditions, solidification effect is good, and curing time shortens greatly, energy consumption reduces greatly, the anode plate intensity obtained is good, and metallic lead content is low, and discharge performance is excellent.
Embodiment
Below by embodiment, the present invention will be further described.
Embodiment 1
(1) first stage: the negative plate drenching good acid is placed in curing room, controls curing room temperature 45 C, relative humidity 80%, solidification 1h.
(2) second stage: control curing room temperature 55 DEG C, relative humidity 60%, solidification 1h.
(3) phase III: control curing room temperature 65 DEG C, relative humidity 50%, solidification 6h.
(4) fourth stage: control curing room temperature 65 DEG C, relative humidity≤10%, solidification 10h.
Embodiment 2
(1) first stage: the negative plate drenching good acid is placed in curing room, controls curing room temperature 45 C, relative humidity 80%, solidification 2h.
(2) second stage: control curing room temperature 55 DEG C, relative humidity 60%, solidification 2h.
(3) phase III: control curing room temperature 65 DEG C, relative humidity 50%, solidification 8h.
(4) fourth stage: control curing room temperature 65 DEG C, relative humidity≤10%, solidification 12h.
Embodiment 3
(1) first stage: the negative plate drenching good acid is placed in curing room, controls curing room temperature 40 DEG C, relative humidity 70%, solidification 3h.
(2) second stage: control curing room temperature 50 C, relative humidity 50%, solidification 3h.
(3) phase III: control curing room temperature 60 C, relative humidity 40%, solidification 8h.
(4) fourth stage: control curing room temperature 60 C, relative humidity≤10%, solidification 12h.
Embodiment 4
(1) first stage: the negative plate drenching good acid is placed in curing room, controls curing room temperature 42 DEG C, relative humidity 75%, solidification 2h.
(2) second stage: control curing room temperature 52 DEG C, relative humidity 55%, solidification 2h.
(3) phase III: control curing room temperature 62 DEG C, relative humidity 45%, solidification 7h.
(4) fourth stage: control curing room temperature 62 DEG C, relative humidity≤10%, solidification 11h.
Embodiment 5
(1) first stage: the negative plate drenching good acid is placed in curing room, controls curing room temperature 40 DEG C, relative humidity 75%, solidification 2h.
(2) second stage: control curing room temperature 55 DEG C, relative humidity 50%, solidification 2h.
(3) phase III: control curing room temperature 60 C, relative humidity 45%, solidification 8h.
(4) fourth stage: control curing room temperature 65 DEG C, relative humidity≤10%, solidification 11h.
The negative plate performance obtained by the present invention is as follows:
Electrode plate grid rate of corrosion 100%;
Basic lead sulphate recrystallization rate 100%;
Free lead content < 5%;
Intensity (1m is high, and the lead plaster that falls comes off) < 1%.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (5)
1. a lead-acid battery negative pole plate low temperature and low humidity curing process, is characterized in that, comprises the following steps:
(1) first stage: the negative plate drenching good acid is placed in curing room, controls curing room temperature 40 ~ 45 DEG C, relative humidity 70 ~ 80%, solidification 1 ~ 3h;
(2) second stage: control curing room temperature 50 ~ 55 DEG C, relative humidity 50 ~ 60%, solidification 1 ~ 3h;
(3) phase III: control curing room temperature 60 ~ 65 DEG C, relative humidity 40 ~ 50%, solidification 6 ~ 8h;
(4) fourth stage: control curing room temperature 60 ~ 65 DEG C, relative humidity≤10%, solidification 10 ~ 12h.
2. a kind of lead-acid battery negative pole plate low temperature and low humidity curing process according to claim 1, is characterized in that, in step (1), controls curing room temperature 45 C, relative humidity 80%, solidification 2h.
3. a kind of lead-acid battery negative pole plate low temperature and low humidity curing process according to claim 1, is characterized in that, in step (2), controls curing room temperature 55 DEG C, relative humidity 60%, solidification 2h.
4. a kind of lead-acid battery negative pole plate low temperature and low humidity curing process according to claim 1, is characterized in that, in step (3), controls curing room temperature 65 DEG C, relative humidity 50%, solidification 8h.
5. a kind of lead-acid battery negative pole plate low temperature and low humidity curing process according to claim 1, is characterized in that, in step (4), controls curing room temperature 65 DEG C, relative humidity≤10%, solidification 12h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050616.9A CN105576195B (en) | 2016-01-26 | 2016-01-26 | A kind of lead-acid battery negative pole plate low temperature and low humidity curing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050616.9A CN105576195B (en) | 2016-01-26 | 2016-01-26 | A kind of lead-acid battery negative pole plate low temperature and low humidity curing process |
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|---|---|
| CN105576195A true CN105576195A (en) | 2016-05-11 |
| CN105576195B CN105576195B (en) | 2018-05-29 |
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| CN201610050616.9A Active CN105576195B (en) | 2016-01-26 | 2016-01-26 | A kind of lead-acid battery negative pole plate low temperature and low humidity curing process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065846A (en) * | 2018-07-28 | 2018-12-21 | 河南超威电源有限公司 | Positive electrode plate of lead-acid battery curing process |
| CN110400909A (en) * | 2019-07-29 | 2019-11-01 | 浙江天能电池(江苏)有限公司 | A kind of lead charcoal accumulator negative plate spontaneous curing technique |
| CN110797510A (en) * | 2019-12-06 | 2020-02-14 | 安徽轰达电源有限公司 | Negative plate curing process for storage battery production |
| CN113161519A (en) * | 2021-03-26 | 2021-07-23 | 扬州阿波罗蓄电池有限公司 | Preparation process of storage battery for starting and stopping automobile |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944605A (en) * | 2010-09-14 | 2011-01-12 | 彭滨 | Accumulator plate drying technology |
| CN103400966A (en) * | 2013-07-09 | 2013-11-20 | 超威电源有限公司 | Curing process for pole plate of lead-acid storage battery |
-
2016
- 2016-01-26 CN CN201610050616.9A patent/CN105576195B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944605A (en) * | 2010-09-14 | 2011-01-12 | 彭滨 | Accumulator plate drying technology |
| CN103400966A (en) * | 2013-07-09 | 2013-11-20 | 超威电源有限公司 | Curing process for pole plate of lead-acid storage battery |
Non-Patent Citations (1)
| Title |
|---|
| 王力臻等: "铅酸蓄电池固化工艺研究", 《郑州轻工业学院学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065846A (en) * | 2018-07-28 | 2018-12-21 | 河南超威电源有限公司 | Positive electrode plate of lead-acid battery curing process |
| CN109065846B (en) * | 2018-07-28 | 2020-09-22 | 河南超威电源有限公司 | Process for curing positive electrode plate of lead-acid storage battery |
| CN110400909A (en) * | 2019-07-29 | 2019-11-01 | 浙江天能电池(江苏)有限公司 | A kind of lead charcoal accumulator negative plate spontaneous curing technique |
| CN110797510A (en) * | 2019-12-06 | 2020-02-14 | 安徽轰达电源有限公司 | Negative plate curing process for storage battery production |
| CN113161519A (en) * | 2021-03-26 | 2021-07-23 | 扬州阿波罗蓄电池有限公司 | Preparation process of storage battery for starting and stopping automobile |
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| Publication number | Publication date |
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| CN105576195B (en) | 2018-05-29 |
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