CN108011080A - Slim pole plate preparation method built in lead-acid accumulator - Google Patents
Slim pole plate preparation method built in lead-acid accumulator Download PDFInfo
- Publication number
- CN108011080A CN108011080A CN201711156717.5A CN201711156717A CN108011080A CN 108011080 A CN108011080 A CN 108011080A CN 201711156717 A CN201711156717 A CN 201711156717A CN 108011080 A CN108011080 A CN 108011080A
- Authority
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- China
- Prior art keywords
- pole plate
- lead
- drying
- acid accumulator
- wet
- 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.)
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Classifications
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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
-
- 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
Abstract
The invention discloses slim pole plate preparation method built in a kind of lead-acid accumulator, this method includes pole plate blank preparation section, curing process process and drying process process.The curing used due to the present invention and drying process is low-temperature heats, it is and slowly varying from low to high, it is reasonable that this incremental formula heating arranges, on the one hand so that contained humidity slowly separates out in heated wet lead plaster, on the other hand enough oxidization times are won again for free lead to be substantially oxidized, be conducive to pole plate generation 4BS crystal, so as to greatly improve the cycle life of lead-acid accumulator.
Description
Technical field
The present invention relates to a kind of accessory preparation method of lead-acid accumulator, in particular it relates to which a kind of plumbic acid stores
Slim pole plate preparation method built in battery.
Background technology
Pole plate is the important carrier for making electrochemical reaction in lead-acid accumulator, its quality directly determines the matter of lead-acid accumulator
Amount, especially influences service life cycle maximum.Therefore, the industry in lead-acid accumulator manufacturing process all by pole plate preparation side
Method is classified as critical process, and emphasis is implemented.The prior art generally realizes prepared by pole plate using two stage process, and lead plaster is applied outside grid
Formed on the basis of wet pole plate and first make curing process, after make drying process.Curing process parameter：Heat 60~75 DEG C, humidity
99%th, 24h, Drying Technology Parameter are cured：50~60 DEG C of heating, dry 48h.Prior art process is easy, implements easy, quality
Stablize, wet polar plate solidification and drying purpose can be reached.But the prior art is higher in curing heating-up temperature at initial stage, easily causes
Moisture evaporation in wet pole plate is too fast, lead plaster hardening, due to lacking necessary moisture so that lead component oxidation therein is not filled
Point, the higher problem of free lead is left, therefore, it is difficult to generate the more preferable 4BS crystal of performance, directly restricts the circulation of lead-acid accumulator
Service life.
The content of the invention
Present invention is generally directed to the deficiencies in the prior art, propose a kind of process rationally, in the lead-acid accumulator of simple operation
Put slim pole plate preparation method, this method realizes polar plate solidification and drying using incremental formula mode of heating, the water in lead plaster
Point slowly it is precipitated with and is obtained beneficial to lead component fully oxidized, so as to substantially reduce free lead, greatly improves following for lead-acid accumulator
The ring service life.
The present invention is achieved through the following technical solutions technical goal.
Slim pole plate preparation method built in lead-acid accumulator, it is theed improvement is that：This method is prepared including pole plate blank
Process, curing process process and drying process process；
A, the pole plate blank preparation section arranges as follows：
A.1 the wet lead plaster of water content at least 10% is applied respectively toward the grid positive and negative purchased first；
A.2 respectively add on the wet lead plaster that positive and negative has applied and cover diaphragm paper；
A.3 surface spraying dilute sulfuric acid operation is then carried out；
A.4 it is sent into dry kiln and makees surface rapid draing processing, " the wet pole plate " being commonly called as；
A.5 wet pole plate is cut to corresponding size；
B, the curing process procedure arrangement is as follows：
B.1 the wet pole plate for cutting shaping is neatly overlayed and cured on frame, and covered with the gauze for soaking pure water；
B.2 first stage curing process, 40~50 DEG C of solidification temperature, humidity more than 99%, the door opening degree of circulating fan are made
For 20~30%, 2~4h of hardening time；
B.3 second stage curing process, 45~55 DEG C of solidification temperature, humidity more than 99%, the door opening degree of circulating fan are made
For 20~30%, 2~4h of hardening time；
B.4 phase III curing process is made, 50~65 DEG C of solidification temperature, humidity more than 90%, the door opening degree of circulating fan are
20~30%, 4~6h of hardening time；
B.5 fourth stage curing process is made, 50~65 DEG C of solidification temperature, humidity more than 80%, the door opening degree of circulating fan are
20~30%, 12~24h of hardening time；
C, the drying process process：
C.1 stop humidification, make first stage drying process, 60~70 DEG C of drying temperature, humidity are below 70%, the wind of circulating fan
Door open degree is 60~70%, 2~4h of drying time；
C.2 second stage drying process is made, 60~70 DEG C of drying temperature, humidity are below 30%, the door opening degree of circulating fan is
80~90%, 4~8h of drying time；
C.3 phase III drying process is made, 60~70 DEG C of drying temperature, humidity are below 20%, the door opening degree of circulating fan is
90~100%, 6~12h of drying time；
C.4 fourth stage drying process is made, 60~70 DEG C of drying temperature, humidity are below 10%, the door opening degree of circulating fan is
90~100%, 12~24h of drying time.
Scheme as a further improvement, the slab lattice thickness are 0.6~1.5mm, and it is thick that grid positive and negative applies wet lead plaster
Spend for 0.5~2.0mm.
Scheme as a further improvement, the dry kiln temperature is at 200~300 DEG C.
Scheme as a further improvement, the wet pole plate neatly overlay cure frame on, often pile up 30~50, it is front and rear and
The all alternate 20~30mm in left and right.
Scheme as a further improvement, the gauze material are pure cotton, and at 100~120, weft yarn exists warp thread therein
80~90,5~10 layers of gauze are covered on wet pole plate.
Scheme as a further improvement, the pure water resistivity >=1M .cm.
Scheme as a further improvement, the wet pole plate includes positive plate and negative plate, after cured and drying process
Positive plate free lead content 0.1~1.5%, moisture 0.1~0.5%, negative plate free lead content 0.1~
2.0%, moisture is 0.1~0.5%.
Compared with prior art, the present invention have the positive effect that：
1st, technical process is easy, easy to implement；
2nd, cure in the present invention and drying process heating-up temperature be relatively low and slowly varying from low to high, it is this in proper order gradually
It is reasonable to be arranged into formula heating, is on the other hand free lead on the one hand so that contained humidity slowly separates out in heated wet lead plaster
Win enough oxidization times and be substantially oxidized, be conducive to pole plate generation 4BS crystal, so as to greatly improve lead-acid accumulator
Cycle life.
Embodiment
The present invention is further illustrated below by embodiment.
The present embodiment is slim pole plate preparation method built in a kind of lead-acid accumulator of manufacture 12V100Ah specifications, this method
Including pole plate blank preparation section, curing process process and drying process process.
A, embodiment pole plate blank preparation section arranges as follows：
1.1 first toward the warm lead plaster of grid positive and negative difference purchased；
1.2 respectively plus cover diaphragm paper on the wet lead plaster that positive and negative has applied；
1.3 then carry out surface spraying dilute sulfuric acid operation；
Make surface rapid draing processing, " the wet pole plate " being commonly called as in 1.4 feeding dry kilns；
1.5 cut wet pole plate to corresponding size；
Each embodiment technological parameter of this procedure is variant, specifically sees attached list:
Embodiment pole plate material preparation technology parameter table
B, embodiment curing process procedure arrangement is as follows：
The wet pole plate for cutting shaping is neatly overlayed and is cured on frame, and is covered with the gauze for soaking pure water.The present embodiment
In gauze material used be pure cotton, wherein warp thread it is unified with 100, weft yarn uniformly with 80.Pure water resistivity >=1M used
.cm.Other technological parameters see the table below：
Each embodiment curing process related process parameters table：
Each embodiment drying process related process parameters table
The pole plate free lead content as made of above-described embodiment technological parameter is low more than prior art same size product, and moisture contains
Measure relatively low, specific performance test data see the table below：
Embodiment and the prior art performance test data table of comparisons
Note：Test condition is monolithic pole plate weight tolerance ± 1g, and acid filling proportion built in lead-acid accumulator and acid amount are equal, make
Standard is melted into " three, which fill two, puts ", is melted on the same circuit, offline standing 48h, the pressure of capacity discharge voltage after chemical conversion
Difference control is within 20mv, and within open-circuit voltage 10mv, detection device uses U.S.'s enlightening card dragon 48V60A storage battery cycle detections
Instrument.
In conclusion the embodiment of the present invention and prior art products equally circulate 120 times, embodiment 1 measures surplus after circulating
Covolume amount is the 93.3% of rated capacity, and embodiment 2 measures 95.6% that residual capacity is rated capacity after circulating, embodiment 3 is followed
94.1% that residual capacity is rated capacity is measured after ring, and it is rated capacity to measure residual capacity after prior art products circulation
82.1%, thus can be explained the present invention cycle life more than prior art products grow.
Claims (7)
- A kind of 1. slim pole plate preparation method built in lead-acid accumulator, it is characterised in that：This method includes pole plate blank and prepares work Sequence, curing process process and drying process process；A, the pole plate blank preparation section arranges as follows：A.1 the wet lead plaster of water content at least 10% is applied respectively toward the grid positive and negative purchased first；A.2 respectively add on the wet lead plaster that positive and negative has applied and cover diaphragm paper；A.3 surface spraying dilute sulfuric acid operation is then carried out；A.4 it is sent into dry kiln and makees surface rapid draing processing, " the wet pole plate " being commonly called as；A.5 wet pole plate is cut to corresponding size；B, the curing process procedure arrangement is as follows：B.1 the wet pole plate for cutting shaping is neatly overlayed and cured on frame, and covered with the gauze for soaking pure water；B.2 first stage curing process, 40~50 DEG C of solidification temperature, humidity more than 99%, the door opening degree of circulating fan are made For 20~30%, 2~4h of hardening time；B.3 second stage curing process, 45~55 DEG C of solidification temperature, humidity more than 99%, the door opening degree of circulating fan are made For 20~30%, 2~4h of hardening time；B.4 phase III curing process is made, 50~65 DEG C of solidification temperature, humidity more than 90%, the door opening degree of circulating fan are 20~30%, 4~6h of hardening time；B.5 fourth stage curing process is made, 50~65 DEG C of solidification temperature, humidity more than 80%, the door opening degree of circulating fan are 20~30%, 12~24h of hardening time；C, the drying process process：C.1 stop humidification, make first stage drying process, 60~70 DEG C of drying temperature, humidity are below 70%, the wind of circulating fan Door open degree is 60~70%, 2~4h of drying time；C.2 second stage drying process is made, 60~70 DEG C of drying temperature, humidity are below 30%, the door opening degree of circulating fan is 80~90%, 4~8h of drying time；C.3 phase III drying process is made, 60~70 DEG C of drying temperature, humidity are below 20%, the door opening degree of circulating fan is 90~100%, 6~12h of drying time；C.4 fourth stage drying process is made, 60~70 DEG C of drying temperature, humidity are below 10%, the door opening degree of circulating fan is 90~100%, 12~24h of drying time.
- 2. slim pole plate preparation method built in lead-acid accumulator according to claim 1, it is characterised in that：The grid is thick Spend for 0.6~1.5mm, it is 0.5~2.0mm that grid positive and negative, which applies wet lead plaster thickness,.
- 3. slim pole plate preparation method built in lead-acid accumulator according to claim 1, it is characterised in that：The dry kiln Temperature is at 200~300 DEG C.
- 4. slim pole plate preparation method built in lead-acid accumulator according to claim 1, it is characterised in that：The wet pole plate Neat overlay cures on frame, often piles up 30~50, all alternate 20~30mm in front and rear and left and right.
- 5. slim pole plate preparation method built in lead-acid accumulator according to claim 1, it is characterised in that：The gauze material Matter is pure cotton, and for warp thread therein at 100~120, weft yarn covers 5~10 layers of gauze at 80~90 on wet pole plate.
- 6. slim pole plate preparation method built in lead-acid accumulator according to claim 1, it is characterised in that：The pure water electricity Resistance rate >=1M .cm.
- 7. slim pole plate preparation method built in lead-acid accumulator according to claim 1, it is characterised in that：The wet pole plate Including positive plate and negative plate, 0.1~1.5%, moisture exists for positive plate free lead content after cured and drying process 0.1~0.5%, negative plate free lead content is 0.1~2.0%, and moisture is 0.1~0.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156717.5A CN108011080A (en) | 2017-11-20 | 2017-11-20 | Slim pole plate preparation method built in lead-acid accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156717.5A CN108011080A (en) | 2017-11-20 | 2017-11-20 | Slim pole plate preparation method built in lead-acid accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108011080A true CN108011080A (en) | 2018-05-08 |
Family
ID=62052848
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711156717.5A Pending CN108011080A (en) | 2017-11-20 | 2017-11-20 | Slim pole plate preparation method built in lead-acid accumulator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193042A (en) * | 2018-08-31 | 2019-01-11 | 天能电池(芜湖)有限公司 | High power type battery and its pole plate manufacturing method |
| CN111370651A (en) * | 2020-02-24 | 2020-07-03 | 天能电池集团股份有限公司 | Preparation method of curing-free storage battery plate |
| CN112349884A (en) * | 2020-10-27 | 2021-02-09 | 双登集团股份有限公司 | Laminated polar plate rapid curing and drying method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193042A (en) * | 2018-08-31 | 2019-01-11 | 天能电池(芜湖)有限公司 | High power type battery and its pole plate manufacturing method |
| CN111370651A (en) * | 2020-02-24 | 2020-07-03 | 天能电池集团股份有限公司 | Preparation method of curing-free storage battery plate |
| CN111370651B (en) * | 2020-02-24 | 2021-08-03 | 天能电池集团股份有限公司 | Preparation method of curing-free storage battery plate |
| CN112349884A (en) * | 2020-10-27 | 2021-02-09 | 双登集团股份有限公司 | Laminated polar plate rapid curing and drying method |
| CN112349884B (en) * | 2020-10-27 | 2022-06-07 | 双登集团股份有限公司 | Laminated polar plate rapid curing and drying method |
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