CN104485445B - Positive plate used for lead-acid storage battery and preparation method of positive plate - Google Patents

Positive plate used for lead-acid storage battery and preparation method of positive plate Download PDF

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Publication number
CN104485445B
CN104485445B CN201410828026.5A CN201410828026A CN104485445B CN 104485445 B CN104485445 B CN 104485445B CN 201410828026 A CN201410828026 A CN 201410828026A CN 104485445 B CN104485445 B CN 104485445B
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lead
acid
positive plate
temperature
hydrocerussitum
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CN104485445A (en
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张天东
张欣泉
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PINGXIANG CITY TIANDONG ELECTRIC APPLIANCE TECHNOLOGY Co Ltd
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PINGXIANG CITY TIANDONG ELECTRIC APPLIANCE TECHNOLOGY Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/14—Electrodes for lead-acid accumulators
    • 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
    • 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
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/68—Selection of materials for use in lead-acid accumulators
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/72—Grids
    • H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The inventionprovides a positive plate used for a lead-acid storage battery. The positive plate comprises an alloy plate grid and lead-acid layers coating two surfaces of the alloy plate grid, wherein the alloy plate grid is prepared from the following components in percentage by weight: 0.05-0.2% of calcium, 0.6-1.0% of tin, 0.01-0.05% of aluminum and the balance of lead;each lead-acid layer is mainly prepared from the following components in parts by weight: 950-1050 parts of lead powder, 100-110 parts of water and 90-100 parts of sulfuric acid in the specification of 1.4g/cm3. The lead-acid storage battery with the positive platehas the advantages of good heavy-current discharge stability, highlow-temperature start capacity, excellentanti-corrosion performance, longcirculating charge and discharge life and excellent comprehensive performance.

Description

Positive plate for lead-acid accumulator and preparation method thereof
Technical field
The present invention relates to Lead-acid Battery Technology field is and in particular to a kind of positive plate for lead-acid accumulator, and This is used for the preparation method of the positive plate of lead-acid accumulator.
Background technology
Lead-acid accumulator (VRLA), be made of a kind of electrode mainly by lead and its oxide, electrolyte is sulfuric acid solution Accumulator.Under lead-acid battery state-of-charge, positive pole main component is Lead oxide brown, and negative pole main component is lead；Under discharge condition, The main component of both positive and negative polarity is lead sulfate.
For lead-acid accumulator, it is critical that one of part, the quality of its quality is directly connected to battery lead plate The quality of whole lead-acid accumulator and service life.Battery lead plate mainly has alloy grid and is coated in the active coating of alloy grid Constitute, wherein alloy grid is mainly Pb-Ca-Sn alloy, and active coating is mainly the coating containing Sn and Pb.This battery lead plate Although possessing preferable stable charge/discharge, overall synthetic performance is not good, and such as ratio can low, service life be short and regular maintenance Frequently.
Content of the invention
The technical problem to be solved is the deficiency for above prior art problem, provides one kind to be used for plumbic acid The positive plate of accumulator, using the good stability of the lead-acid accumulator heavy-current discharge of this positive plate, Low temperature start-ability is strong, resistance to Corrosive nature is excellent, cycle charge-discharge life-span length, high comprehensive performance.
The technical solution adopted in the present invention is：
A kind of positive plate for lead-acid accumulator, this positive plate includes alloy grid and is overlying on the lead on alloy grid two sides Acid layer, described alloy grid is prepared from by each component of following percentage by weight：Calcium 0.05-0.2%, stannum 0.6-1.0%, aluminum 0.01-0.05%, remaining as lead, described plumbic acid layer is mainly prepared from by each component of following parts by weight：Hydrocerussitum (Ceruse) 950- 1050 parts, water 100-110 part, 1.4g/cm3Sulphuric acid 90-100 part.
Preferably, described alloy grid is prepared from by each component of following percentage by weight：Calcium 0.1%, stannum 0.8%th, aluminum 0.03%, remaining as lead.
Preferably, described plumbic acid layer is mainly prepared from by each component of following parts by weight：Hydrocerussitum (Ceruse) 1000 ± 1.0 Part, 105 ± 0.5 parts of water, 1.4g/cm396.00 ± 0.2 parts of sulphuric acid.
Preferably, the thickness of described alloy grid is 1.0-4.4mm, the thickness of described plumbic acid layer is 0.15mm.
The present invention further provides the preparation method of the above-mentioned positive plate for lead-acid accumulator, specifically include following step Suddenly：
(1) alloy grid casting：
Carry out in automatic grid slab machine, lead pig is put into the market pot of automatic grid slab machine, be warming up to 430-470 DEG C (preferably 450 DEG C) make lead pig melt, and holding lead liquid liquid color is silvery white, and described lead pig includes each group of following percentage by weight Point：Calcium 0.05-0.2%, stannum 0.6-1.0%, aluminum 0.01-0.05%, remaining as lead；After fusing formed lead liquid through cannelure, Lead pipe enters mould cast molding, the temperature of described mould is 170-190 DEG C (preferably 180 DEG C), poring rate For 12-17 piece/minute, obtain alloy grid, standby.
It is sprayed with jet mould agent, the preparation method of described jet mould agent is as follows in described mould：4g bone is added in every 1000g water Glue, 1g polyethylene fibre, add 150g wood powder and stir, after cooling as jet mould agent after boiling.
In this step, lead pig fusion temperature is extremely important, must not be too high or too low, when too low, lead fluid valve and to put lead mouth easy Stifled, lead liquid is difficult to flow into cannelure, causes to fill type and is discontented with；When too high, the scaling loss of lead liquid is serious, easily causes pollution and wastes, also Broken strip can be caused because leads is cooled slowly.
Cast link jet mould agent, poring rate, mold temperature are also most important to the quality of alloy grid, wood in jet mould agent Powder is too many, and casting rate is too fast, and the alloy grid of casting is easy to crack, and in jet mould agent, very little, Mo Wentai is low for wood powder, and alloy grid becomes Shape is of poor quality.
(2) Hydrocerussitum (Ceruse) preparation：The cylinder that lead is put into lead-power machine carries out pulverizing, and setting Hydrocerussitum (Ceruse) machine cylinder interior temperature degree is 130- 140 DEG C, load power is 90kW, and air door positive wine pressure is 2000pa ± 150pa, and blast born by air door is 3600 ± 150pa, goes out powder speed Spend for 0.8 ton hour, obtain Hydrocerussitum (Ceruse).
The process parameter control that Hydrocerussitum (Ceruse) manufactures is extremely important, lead-power machine load capacity (being reflected by load power), air quantity, temperature Degree etc. all can affect Hydrocerussitum (Ceruse) quality and yield.
Cylinder planted agent avoids producing high temperature, and air quantity is too small, and cylinder interior temperature spends height, and material continues oxidation liter together because heaping Temperature, can make degree of oxidation of lead powder high, viscosity increases, form extremely dangerous burn-off phenomenon, and bearing shell and carrying roller performance depreciation, lead to Abrasion；Adjustment negative-pressure air fan is the important step determining Hydrocerussitum (Ceruse) yield, and in the case that load is certain, properly increasing negative pressure wind is Yield can be made to increase, but Hydrocerussitum (Ceruse) granularity is also amid a sharp increase therewith, oxidizability reduces, so the adjustment of negative-pressure air fan should be with Hydrocerussitum (Ceruse) product Matter is foundation.
Apparent density and oxidizability are to detect two big important indicators of Hydrocerussitum (Ceruse) quality, and loading is excessive, lead button is excessive, cylinder temperature Degree is low, and positive and negative blast is excessive, air quantity too metropolis make apparent density of lead powder higher, and oxidizability is low, and vice versa.Improve Hydrocerussitum (Ceruse) to regard When density, oxidizability can decline, and brush excess, sheet lead increase than regular meeting, so temperature should suitably be adjusted；The oxidation of Hydrocerussitum (Ceruse) Degree temperature influence is larger, is also affected by blast, ambient temperature and humidity simultaneously.
After the above state modulator of the present invention, the apparent density of lead powder obtaining reaches 1.25-1.35g/cm3, oxidizability is 72- 78%.
Measurement of apparent density method：Hydrocerussitum (Ceruse) is allowed to pass through 80 mesh sub-sieves, freely falling body, in the steel bowl of 100ml, falls after expiring Gently strike off, weigh as G gram, steel bowl is G again0Gram, then apparent density d=(G-G0)/100(g/cm3).
(3) lead plaster preparation：After weighing Hydrocerussitum (Ceruse), water and the sulphuric acid of formulation weight, put into paste mixing machine successively, cream temperature is closed in setting For 44-46 DEG C, dry conjunction time (to the mixing time to before feed water for the Hydrocerussitum (Ceruse)) (was fed water to before to sulphuric acid for 3-5min, wet conjunction time Mixing time) for 6-10min, incorporation time (mixing time to after sulphuric acid) be 20-25min.
When mixing in this step, (when sulphuric acid adds) controls temperature at 55-65 DEG C.
(4) coated plate：Using coating machine by lead plaster roll coated in the two sides of alloy grid, then through drenching pure water, drenching acid, table Cream more than face drying, cleaning, obtains green plate.
The pouring acid solution drenching acid use in this step is sulfuric acid solution, and density is 1.08-1.09g/cm3(25℃).
(5) green plate solidifies, is dried：Green plate is carried out under temperature 40-50 DEG C, the environmental condition of relative humidity >=97% Solidification drying, setting solidifies flow process and is：50℃24h、52℃4h、50℃8h、50℃8h、52℃6h、55℃6h、60℃2h、65 ℃2h、70℃2h、80℃8h.
The design of the environmental condition of this step solidification and solidification flow process is extremely important, and solidification drying is added using special steam Full-boiled process, makes green plate not easy to crack during solidification, using the pole plate obtaining after drying cured above through test, dissociates Lead content≤3%, water content≤0.5%, this effectively prevent the feelings such as active material layer poor response, coating absent-mindedness, poor performance The generation of condition, is very beneficial for finished electrode plate deep charge and discharge cycle performance in use and stability in the large.
(6) welding chemical conversion：The dried pole plate of solidification is placed in electrolytic bath and carries out chemical conversion treatment, sulphuric acid in electrolytic bath Solution density is 1.04-1.06g/cm3(25 DEG C), in groove, electric current is 100-130A, and the chemical conversion time is 18-19h, makes pole plate lotus Electricity.
(7) it is dried：Finally it is dried in oxygen-free drier, 10h at a temperature of 45-50 DEG C of first stage, second stage 26-38h at a temperature of 73-83 DEG C, obtains the positive plate for lead-acid accumulator.
Compared with prior art, the present invention possesses advantages below and remarkable result：Positive plate of the present invention is used for lead acid storage battery The good stability of heavy-current discharge behind pond, Low temperature start-ability is strong, excellent anti-corrosion performance, cycle charge-discharge life-span length, comprehensive Function admirable, this depends on the precise control to the optimization of formula with to processing technology links for the present invention, Yi Jipei Between side and technique, each process procedure, good synergism, is embodied in：
(1) on the formula of grid, by the selection of particular components, the selection of particularly al composition is prevented effectively from Calcium compounds Scaling loss in sintering procedure, and optimize each component proportioning so as to get grid size specification, not easy to crack, mechanical strength Height, corrosion resistance and good, conduct electricity very well, ratio can high, electric capacity value stabilization；
(2) in the formulation selection of active material layer, apparent density and the excellent Hydrocerussitum (Ceruse) of oxidizability are chosen, then by optimizing lead The formula of cream, optimizes the design proportion of grid and active substance, so that grid and active substance is well bonded, the electricity obtaining Pole plate free lead content is few, is conducive to deep charge and discharge circulation and the discharge stability of accumulator, and charge storage ability is strong, long service life, Low temperature start-ability is strong；
(3) in preparation method, by strict control and the casting of optimized alloy grid, Hydrocerussitum (Ceruse) preparation, lead plaster preparation, painting The technological parameter of the links such as plate, green plate solidification, welding chemical conversion, drying, thus strictly control each intermediate product Quality, and make to coordinate well between links, thus making the battery lead plate power reservoir capacity obtaining by force, self discharge is little, high current Discharge stability is good, and Low temperature start-ability is strong, excellent anti-corrosion performance, cycle charge-discharge life-span length, high comprehensive performance, totally Preparation cost is low, is suitable for and promotes.
Specific embodiment
With reference to embodiments the present invention is further described in detail.It is noted that detailed description below is all to illustrate Property it is intended to the present invention provide further instruction.Unless otherwise stated, all scientific and technical terms that the present invention uses There are the identical meanings being generally understood that with the technical field of the invention personnel.
1st, material
(alloy) lead pig is purchased from Zhuzhou Smelter Group Co., Ltd.；Lead purity 99.994%.
2nd, process equipment：
Automatically grid slab machine is purchased from Quanzhou City Feng Ze and innovates Machinery Co., Ltd.；SF-2OLS type winnowing type lead-power machine is purchased From Central-South Industrial Co., Ltd.；MAM-680 screw air compressor is purchased from mountain and sea Yu Neng company limited of Shenzhen；Full-automatic conjunction Cream machine (specification 1000kg) is purchased from Central-South Industrial Co., Ltd.；YG-STB400 dual-side coating machine is purchased from Baoding Jinyang light energy source dress Standby Science and Technology Ltd.；Full-automatic solidification drying system is purchased from Central-South Industrial Co., Ltd..
Embodiment 1：
The positive plate that the present embodiment is used for lead-acid accumulator includes alloy grid and is overlying on the plumbic acid layer on alloy grid two sides, The thickness of described alloy grid is 2.4mm, and the thickness of described plumbic acid layer is 0.15mm.Described alloy grid is by following weight percent Each component of ratio is prepared from：Calcium 0.1%, stannum 0.8%, aluminum 0.03%, remaining as lead.Described plumbic acid layer is mainly by following weight Each component of number is prepared from：1000 ± 1.0 parts of Hydrocerussitum (Ceruse), 105 ± 0.5 parts of water, 1.4g/cm396.00 ± 0.2 parts of sulphuric acid.
The preparation method of above-mentioned positive plate, specifically includes following steps：
(1) alloy grid casting：Carry out in automatic grid slab machine, lead pig is put into the molten lead of automatic grid slab machine Pot, being warming up to 450 DEG C makes lead pig melt, and holding lead liquid liquid color is silvery white, and described lead pig includes each of following percentage by weight Component：Calcium 0.1%, stannum 0.8%, aluminum 0.03%, remaining as lead；After fusing formed lead liquid through cannelure (cannelure temperature by Cooling water controlling, by adjusting cooling water flow, makes lead keep the liquid zone of 250-300mm length in cannelure), lead pipe enters Enter mould cast molding, in mould, be sprayed with jet mould agent (jet mould agent preparation method：Add in every 1000g water 4g osseocolla, 1g polyethylene fibre, adds 150g wood powder and stirs, after cooling as jet mould agent after boiling), described shaping mould The temperature of tool is 180 DEG C, and poring rate is 15 pieces/minute, obtains alloy grid, standby；
(2) Hydrocerussitum (Ceruse) preparation：The cylinder that lead is put into lead-power machine carries out pulverizing, and setting Hydrocerussitum (Ceruse) machine cylinder interior temperature degree is 135 DEG C, in cylinder, the weight of lead is less than 2000kg (generally 1.8 tons about), and load power is 90kW, and air door positive wine pressure is 2000pa, blast born by air door is 3600pa, and going out powder speed is 0.8 ton hour, obtains Hydrocerussitum (Ceruse)；
(3) lead plaster preparation：Weigh Hydrocerussitum (Ceruse), water and the sulphuric acid of formulation weight, start after normal operation after paste mixing machine, setting is closed Cream temperature is 45 DEG C, leading powder successively, does stirring 3min, plus pure water, wet stirring 8min, and acid adding (controls temperature at 55-65 DEG C), Finally stir 23min, form lead plaster；
(4) coated plate：Using coating machine by lead plaster roll coated in the two sides of alloy grid, then through drenching pure water, drenching acid (pouring Acid solution is sulfuric acid solution, density 1.08～1.09g/cm3, 25 DEG C), dry tack free (this step is dehydrated about 9-10%), cream more than cleaning, Obtain green plate；
(5) green plate solidifies, is dried：Green plate is carried out under temperature 40-50 DEG C, the environmental condition of relative humidity >=97% Solidification drying, setting solidifies flow process and is：50 DEG C 24 hours, 52 DEG C 4 hours, 50 DEG C 8 hours, 50 DEG C 8 hours, 52 DEG C 6 hours, 55 DEG C 6 hours, 60 DEG C 2 hours, 65 DEG C 2 hours, 70 DEG C 2 hours, 80 DEG C 8 hours；
(6) welding chemical conversion：The dried pole plate of solidification is placed in electrolytic bath and carries out chemical conversion treatment, sulphuric acid in electrolytic bath Solution density is 1.05g/cm3(25 DEG C), in groove, electric current is 115A, and the chemical conversion time is 18.5 hours；
(7) it is dried：Finally it is dried in oxygen-free drier, 10h at a temperature of 48 DEG C of first stage, 78 DEG C of second stage At a temperature of 32h, obtain the positive plate for lead-acid accumulator.
Performance parameter test is carried out to battery lead plate derived above, result is as shown in table 1 below.
Table 1
Physical and chemical index Detection data
PbO2 75-85%
Moisture 0.1-0.5%
Ferrum (Fe) content 0.006%
Chlorine (Cl) content 0.0001%
Made after lead-acid accumulator using the battery lead plate that this obtains, after testing, carrying capacity is up to 12.8V.
The present embodiments relate to the material arriving, reagent and experimental facilitiess, if no special instructions, it is and meets lead acid storage battery The commercially available prod in pond field.
The above, only the preferred embodiments of the present invention are it is noted that for those skilled in the art For, on the premise of the core technology without departing from the present invention, improvements and modifications can also be made, these improvements and modifications also should Belong to the scope of patent protection of the present invention.Any change in the implication and scope suitable with claims of the present invention, all It is considered as being included within the scope of the claims.

Claims (8)

1. a kind of positive plate for lead-acid accumulator it is characterised in that：Including alloy grid and be overlying on alloy grid two sides Lead plaster layer, described alloy grid is prepared from by each component of following percentage by weight：Calcium 0.05-0.2%, stannum 0.6-1.0%, Aluminum 0.01-0.05%, remaining as lead, described lead plaster layer is mainly prepared from by each component of following parts by weight：Hydrocerussitum (Ceruse) 950- 1050 parts, water 100-110 part, 1.4g/cm3Sulphuric acid 90-100 part, the preparation side of the described positive plate for lead-acid accumulator Method comprises the following steps：
(1) alloy grid casting：Lead pig is put into the market pot of grid slab machine, being warming up to 430-470 DEG C makes lead pig melt, institute State each component that lead pig includes following percentage by weight：Calcium 0.05-0.2%, stannum 0.6-1.0%, aluminum 0.01-0.05%, residue For lead；The lead liquid being formed after fusing enters mould cast molding through cannelure, lead pipe, and the temperature of described mould is 170-190 DEG C, obtain alloy grid, standby；
(2) Hydrocerussitum (Ceruse) preparation：The cylinder that lead is put into lead-power machine carries out pulverizing, and setting Hydrocerussitum (Ceruse) machine cylinder interior temperature degree is 130-140 DEG C, load power is 90kW, and air door positive wine pressure is 2000 ± 150pa, and blast born by air door is 3600 ± 150pa, and going out powder speed is 0.8 ton hour, obtains Hydrocerussitum (Ceruse)；
(3) lead plaster preparation：After weighing Hydrocerussitum (Ceruse), water and the sulphuric acid of formulation weight, put into paste mixing machine successively, to Hydrocerussitum (Ceruse) to before feed water Mixing time is 3-5min, and temperature control is at 44-46 DEG C；Feed water to the mixing time before sulphuric acid be 6-10min, temperature control At 44-46 DEG C；It is 20-30min to the mixing time after sulphuric acid, temperature is down to 44-46 DEG C, forms lead plaster；
(4) coated plate：Using coating machine by lead plaster roll coated in the two sides of alloy grid, then do through pouring pure water, pouring acid, surface Dry, cleaning more than cream, obtain green plate；
(5) green plate solidifies, is dried：Green plate carries out solidifying drying under the environmental condition of relative humidity >=97%, and setting is solid Changing flow process is：50℃24h、52℃4h、50℃16h、52℃6h、55℃6h、60℃2h、65℃2h、70℃2h、80℃8h；
(6) welding chemical conversion：The dried pole plate of solidification is placed in electrolytic bath and carries out chemical conversion treatment, sulfuric acid solution in electrolytic bath Density is 1.04-1.06g/cm3, in groove, electric current is 100-130A, and the chemical conversion time is 18-19h；
(7) it is dried：Finally it is dried in oxygen-free drier, 10h at a temperature of 45-50 DEG C of first stage, second stage 73-83 26-38h at a temperature of DEG C, obtains the positive plate for lead-acid accumulator.
2. the positive plate for lead-acid accumulator according to claim 1 it is characterised in that：Described alloy grid is by following Each component of percentage by weight is prepared from：Calcium 0.1%, stannum 0.8%, aluminum 0.03%, remaining as lead.
3. the positive plate for lead-acid accumulator according to claim 1 it is characterised in that：Described lead plaster layer mainly by with Each component of lower parts by weight is prepared from：1000 ± 1.0 parts of Hydrocerussitum (Ceruse), 105 ± 0.5 parts of water, 1.4g/cm3Sulphuric acid 96.00 ± 0.2 part.
4. the positive plate for lead-acid accumulator according to claim 1 it is characterised in that：The thickness of described alloy grid For 1.0-4.4mm, the thickness of described lead plaster layer is 0.15mm.
5. the positive plate for lead-acid accumulator according to claim 1 it is characterised in that：Lead pig in described step (1) The temperature of fusing is 450 DEG C, and the temperature of mould is 180 DEG C.
6. the positive plate for lead-acid accumulator according to claim 1 it is characterised in that：Molding in described step (1) It is sprayed with jet mould agent, the preparation method of described jet mould agent is as follows in mould：4g osseocolla, 1g polyethylene fibre is added in every 1000g water, Add 150g wood powder after boiling to stir, after cooling as jet mould agent.
7. the positive plate for lead-acid accumulator according to claim 1 it is characterised in that：Sulphuric acid in described step (3) Control temperature at 55-65 DEG C during addition.
8. the positive plate for lead-acid accumulator according to claim 1 it is characterised in that：Acid is drenched in described step (4) The pouring acid solution using is sulfuric acid solution, and density is 1.08-1.09g/cm3.
CN201410828026.5A 2014-12-25 2014-12-25 Positive plate used for lead-acid storage battery and preparation method of positive plate Expired - Fee Related CN104485445B (en)

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CN109119596A (en) * 2018-08-01 2019-01-01 天能电池(芜湖)有限公司 A kind of ultrathin plate manufacturing method
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

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