CN105280927B - A kind of casting process of lead acid accumulator plate grid - Google Patents

A kind of casting process of lead acid accumulator plate grid Download PDF

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Publication number
CN105280927B
CN105280927B CN201510732009.6A CN201510732009A CN105280927B CN 105280927 B CN105280927 B CN 105280927B CN 201510732009 A CN201510732009 A CN 201510732009A CN 105280927 B CN105280927 B CN 105280927B
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grid
parts
tin
lead
heated
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CN105280927A (en
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黄建平
黄建新
黄文�
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Huayu New Energy Technology Co Ltd
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Jieshou Nandu Huayu Power Source 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
    • H01M4/64—Carriers or collectors
    • H01M4/82—Multi-step processes for manufacturing carriers for lead-acid accumulators
    • H01M4/84—Multi-step processes for manufacturing carriers for lead-acid accumulators involving casting
    • 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
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • 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
    • H01M4/66—Selection of materials
    • H01M4/68—Selection of materials for use in lead-acid accumulators
    • H01M4/685—Lead alloys
    • 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)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Cell Electrode Carriers And Collectors (AREA)

Abstract

The invention discloses a kind of casting process of lead acid accumulator plate grid, it is related to lead-acid accumulator processing technique field, grid aluminium alloy is made by the component of following percentage by weight：Tin 0.946%, lanthanum 0.02%, yttrium 0.01%, cerium 0.01%, silver 0.003%, manganese 0.003%, barium 0.002%, iron 0.002%, chromium 0.0015%, silicon 0.0015%, potassium 0.001%, lead 99%, then releasing agent is sprayed in the mold cavity of preheating, casting plate machine casting is recycled, grid is obtained.The present invention makes grid be unlikely to deform in cycle charge-discharge by tin, rare earth element, silicon and potassium is added in lead, reducing thermal coefficient of expansion；The addition of silver, manganese, barium, iron and chromium can strengthen the adhesion between grid and active material, make active material difficult for drop-off, be conducive to the depth of battery to fill deep exoergic power and cycle charge discharge life-span.

Description

A kind of casting process of lead acid accumulator plate grid
Technical field：
The present invention relates to lead-acid accumulator processing technique field, and in particular to a kind of teemer of lead acid accumulator plate grid Skill.
Background technology：
With the fast development of Lead-acid Battery Technology, and new material and new technology are continued to bring out, to lead acid storage battery The performances such as the water loss and the charging of resistance to electricity excessively in pond it is also proposed requirement higher.Domestic many battery producers are also all containing antimony The additives such as selenium, sulphur, arsenic are added in grid alloy, to improve the rotproofness and hardness of grid, overcharging resisting electric energy power is improved, reduced The water loss of battery.But because solution temperature of the various additives in lead is different, its solubility is also different, and various additions The surface tension of agent is different to bring the defects such as grid hot tearing, shrinkage cavity again.Accordingly, it would be desirable to it is preferred that the formula of grid alloy, optimization conjunction Golden casting process, eliminates the surface tension of various additives, to improve rotproofness, mechanical strength and the overcharging resisting electric energy of grid Power.
The content of the invention：
The technical problems to be solved by the invention are that offer one kind is simple to operate, are conducive to improving grid rotproofness, machine The casting process of the raising lead acid accumulator plate grid of tool intensity and overcharging resisting electric energy power.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of casting process of lead acid accumulator plate grid, comprises the following steps：
(1) tin is first heated to 750 DEG C, is slow added into lanthanum, yttrium and cerium, it is stirring while adding, after after metal all fusing Continue to stir 10min, be then cooled to 500 DEG C, tin lanthanum yttrium cerium alloy ingot is cast to obtain in tapping；
(2) tin lanthanum yttrium cerium alloy ingot is heated to 380 DEG C, is subsequently adding silver, manganese, barium, iron, chromium, silicon and potassium, continue to heat To 500 DEG C, insulated and stirred 20min is obtained tin foundry alloy；
(3) electrolytic lead is heated to 600 DEG C, is subsequently adding above-mentioned tin foundry alloy, stirred, obtain final product grid alloy liquid；
(4) mould is heated to 180 DEG C, releasing agent is sprayed to mold cavity after removing surface vestiges, then according to grid Structure scrapes off the spray-up of lug and frame position；
(5) grid alloy liquid is cooled to 500 DEG C, then starts casting plate machine automatic casting, the demoulding after cooling and shaping, the demoulding Grid afterwards send piece roller to deliver to cutter and is sheared through belt；
Wherein, percentage by weight shared by each element is：Tin 0.946%, lanthanum 0.02%, yttrium 0.01%, cerium 0.01%, silver 0.003%th, manganese 0.003%, barium 0.002%, iron 0.002%, chromium 0.0015%, silicon 0.0015%, potassium 0.001%, lead 99%.
The releasing agent is made up of the raw material of following parts by weight：80 parts of powder of straw, 20 parts of powdered rice hulls, sodium bentonite 15 Part, 12 parts of sepiolite powder, 10 parts of plant amylum, 8 parts of bone meal, 8 parts of sodium carboxymethylcellulose, 5 parts of nano silicon, water 200 Part, its preparation method is：First powder of straw and powdered rice hulls are added to the water, nano silicon is added after immersion 1h, be well mixed After microwave treatment 15min under microwave frequency 2450MHz, power 600W, Na-bentonite is added after being then cooled to 50-60 DEG C Soil, sepiolite powder, plant amylum, bone meal and sodium carboxymethylcellulose, insulated and stirred 30min, obtains final product releasing agent after being well mixed.
The beneficial effects of the invention are as follows：The present invention is by tin, rare earth element, silicon and potassium is added in lead, reducing thermal expansion Coefficient, makes grid be unlikely to deform in cycle charge-discharge；The addition of silver, manganese, barium, iron and chromium can strengthen grid and active material Between adhesion, make active material difficult for drop-off, be conducive to the depth of battery to fill deep exoergic power and cycle charge discharge life-span.
Specific embodiment：
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below Specific embodiment is closed, the present invention is expanded on further.
A kind of casting process of lead acid accumulator plate grid, comprises the following steps：
(1) tin is first heated to 750 DEG C, is slow added into lanthanum, yttrium and cerium, it is stirring while adding, after after metal all fusing Continue to stir 10min, be then cooled to 500 DEG C, tin lanthanum yttrium cerium alloy ingot is cast to obtain in tapping；
(2) tin lanthanum yttrium cerium alloy ingot is heated to 380 DEG C, is subsequently adding silver, manganese, barium, iron, chromium, silicon and potassium, continue to heat To 500 DEG C, insulated and stirred 20min is obtained tin foundry alloy；
(3) electrolytic lead is heated to 600 DEG C, is subsequently adding above-mentioned tin foundry alloy, stirred, obtain final product grid alloy liquid；
(4) mould is heated to 180 DEG C, releasing agent is sprayed to mold cavity after removing surface vestiges, then according to grid Structure scrapes off the spray-up of lug and frame position；
(5) grid alloy liquid is cooled to 500 DEG C, then starts casting plate machine automatic casting, the demoulding after cooling and shaping, the demoulding Grid afterwards send piece roller to deliver to cutter and is sheared through belt；
Wherein, percentage by weight shared by each element is：Tin 0.946%, lanthanum 0.02%, yttrium 0.01%, cerium 0.01%, silver 0.003%th, manganese 0.003%, barium 0.002%, iron 0.002%, chromium 0.0015%, silicon 0.0015%, potassium 0.001%, lead 99%.
The preparation of releasing agent：First by 80kg powder of straw and 20kg powdered rice hulls addition 200kg water, 5kg is added after immersion 1h Nano silicon, is well mixed after microwave treatment 15min under microwave frequency 2450MHz, power 600W, is then cooled to 15kg sodium bentonites, 12kg sepiolite powders, 10kg plant amylums, 8kg bone meal and 8kg carboxymethyl celluloses are added after 50-60 DEG C Plain sodium, insulated and stirred 30min, obtains final product releasing agent after being well mixed.
General principle of the invention and principal character and advantages of the present invention has been shown and described above.The technology of the industry Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its Equivalent thereof.

Claims (2)

1. a kind of casting process of lead acid accumulator plate grid, it is characterised in that comprise the following steps：
(1) tin is first heated to 750 DEG C, is slow added into lanthanum, yttrium and cerium, it is stirring while adding, continue after after metal all fusing Stirring 10min, is then cooled to 500 DEG C, and tin lanthanum yttrium cerium alloy ingot is cast to obtain in tapping；
(2) tin lanthanum yttrium cerium alloy ingot is heated to 380 DEG C, is subsequently adding silver, manganese, barium, iron, chromium, silicon and potassium, continue to be heated to 500 DEG C, insulated and stirred 20min is obtained tin foundry alloy；
(3) electrolytic lead is heated to 600 DEG C, is subsequently adding above-mentioned tin foundry alloy, stirred, obtain final product grid alloy liquid；
(4) mould is heated to 180 DEG C, releasing agent is sprayed to mold cavity after removing surface vestiges, then according to grid structure The spray-up of lug and frame position is scraped off；
(5) grid alloy liquid is cooled to 500 DEG C, then starts casting plate machine automatic casting, the demoulding after cooling and shaping, after the demoulding Grid send piece roller to deliver to cutter and is sheared through belt；
Wherein, percentage by weight shared by each element is：Tin 0.946%, lanthanum 0.02%, yttrium 0.01%, cerium 0.01%, silver 0.003%th, manganese 0.003%, barium 0.002%, iron 0.002%, chromium 0.0015%, silicon 0.0015%, potassium 0.001%, lead 99%.
2. the casting process of lead acid accumulator plate grid according to claim 1, it is characterised in that the releasing agent is by as follows The raw material of parts by weight is made：80 parts of powder of straw, 20 parts of powdered rice hulls, 15 parts of sodium bentonite, 12 parts of sepiolite powder, plant amylum 10 parts, 8 parts of bone meal, 8 parts of sodium carboxymethylcellulose, 5 parts of nano silicon, 200 parts of water, its preparation method is：First by stalk Powder and powdered rice hulls are added to the water, and nano silicon is added after immersion 1h, are well mixed after microwave frequency 2450MHz, power Microwave treatment 15min under 600W, adds sodium bentonite, sepiolite powder, plant amylum, bone meal after being then cooled to 50-60 DEG C And sodium carboxymethylcellulose, insulated and stirred 30min, obtains final product releasing agent after being well mixed.
CN201510732009.6A 2015-10-29 2015-10-29 A kind of casting process of lead acid accumulator plate grid Active CN105280927B (en)

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CN105925840B (en) * 2016-06-14 2017-12-22 界首市南都华宇电源有限公司 A kind of preparing process of lead-acid accumulator rare earth alloy
CN106099118B (en) * 2016-06-14 2018-10-26 界首市南都华宇电源有限公司 A kind of anode plate for lead acid accumulator grid alloy
CN105977496B (en) * 2016-06-21 2019-02-15 天能电池集团有限公司 Include slicker solder-rare earth-graphene lead storage battery grid alloy preparation method
CN108365180B (en) * 2017-12-29 2020-04-07 广州倬粤动力新能源有限公司 Polar plate tin spraying method
CN108878894A (en) * 2018-06-13 2018-11-23 昆明理工恒达科技股份有限公司 A kind of preparation method of lead-acid accumulator thin grid
CN108933263B (en) * 2018-08-02 2021-08-06 江苏海宝电池科技有限公司 Positive plate grid and preparation method thereof
CN109518017A (en) * 2018-10-24 2019-03-26 山东久力工贸集团有限公司 A kind of maintenance-free lead accumulator positive plate grid metal and preparation method thereof
CN111318648A (en) * 2020-04-15 2020-06-23 天能电池(芜湖)有限公司 Gravity casting concave-convex structure grid die and casting process
CN111916759A (en) * 2020-07-02 2020-11-10 界首市南都华宇电源有限公司 Production equipment and process for lead-acid storage battery grid with good compaction effect
CN112510213B (en) * 2020-12-08 2022-09-30 广东奥克莱集团有限公司 Preparation method of positive grid
CN114497759B (en) * 2022-01-27 2023-04-28 天能电池集团（安徽）有限公司 Coated paperboard preparation process and grid preparation method based on coated paperboard
CN115772614B (en) * 2022-11-01 2024-03-29 天能集团贵州能源科技有限公司 Positive grid alloy of storage battery and preparation method thereof

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CN100588729C (en) * 2007-08-08 2010-02-10 株洲冶炼集团股份有限公司 Lead alloy, uses and manufacturing technique thereof
CN101824562A (en) * 2010-04-30 2010-09-08 张天任 Positive grid alloy material for lead-acid storage battery
CN102340007A (en) * 2011-09-28 2012-02-01 江苏贝思特动力电源有限公司 Positive grid alloy for power lead-acid batteries and manufacturing process thereof
CN102938465B (en) * 2012-11-11 2015-08-19 骆驼集团华南蓄电池有限公司 Lead-acid storage battery grid lead alloy
CN103624211B (en) * 2013-11-26 2015-09-16 河南超威电源有限公司 Storage battery grid mold release agent and preparation method thereof

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Address after: 236500 Tianying Industrial Park, Jieshou City, Fuyang, Anhui

Patentee after: Huayu New Energy Technology Co.,Ltd.

Address before: 236500 Tianying Industrial Zone, Jieshou City, Fuyang City, Anhui Province

Patentee before: JIESHOU NANDU HUAYU POWER SOURCE Co.,Ltd.