CN104139252B - A kind of lead-acid accumulator scaling powder - Google Patents

A kind of lead-acid accumulator scaling powder Download PDF

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Publication number
CN104139252B
CN104139252B CN201410282750.2A CN201410282750A CN104139252B CN 104139252 B CN104139252 B CN 104139252B CN 201410282750 A CN201410282750 A CN 201410282750A CN 104139252 B CN104139252 B CN 104139252B
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lead
acid
scaling powder
acid accumulator
powder according
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CN104139252A (en
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陈仕尧
徐年
赵文超
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Chaowei Power Group Co Ltd
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Chaowei Power Supply Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/362Selection of compositions of fluxes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention relates to a kind of lead-acid accumulator scaling powder, be made up of the material of following percetage by weight: the coloring agent of the cosolvent of the phosphorous acid of 45-55%, the surfactant of 0.5-1.5%, 0.1-0.2%, the alcohols of 1.5-2.5%, 0.01-0.02 ‰, the additive of 0.1-0.5%, surplus are solvent.Scaling powder of the present invention can ensure the welding effect that lead-acid accumulator is good, and what make lead-acid accumulator has the longer life cycle life-span; The scaling powder that cost can be bought compared with market is low; Effectively can remove the oxide on lug, realize the good bus-bar welding effect of lead-acid accumulator, improve its high-rate discharge ability, thus guarantee its longer service life.

Description

A kind of lead-acid accumulator scaling powder
Technical field
The present invention relates to battery manufacturing technology field, particularly relate to a kind of oxide can effectively removed on lug, realize the good bus-bar welding effect of lead-acid accumulator, improve its high-rate discharge ability, thus guarantee the lead-acid accumulator scaling powder in its longer service life.
Background technology
Polar plate of lead acid storage battery welding in recent years adopts manual mode substantially superseded, and provisions of the relevant regulations issued by the State accumulator plate welds with bus-bar and must adopt machine automatic cast welding.Cast welding mode is generally all: the pole plate group of the positive plate folded, dividing plate (glass fibre separator paper), negative plate, first plate ear is soaked in scaling powder, again this pole plate group is moved to the plumbous liquid cast welding with mould, lug inserts in the plumbous liquid of about 500 DEG C, make plumbous liquid plate plate ear surface melting, then plumbous liquid cooled and solidified, so just make multi-disc plate ear link together, the object of the plate ear leaching scaling powder of pole plate helps welding, and plate ear surface is fused into one with plumbous liquid.
The scaling powder of all kinds sold in the market, all that the enterprise not producing lead-acid accumulator experience produces, so these scaling powders produced when not understanding lead-acid storage battery production manufacturing process weld for the pole group of lead-acid accumulator, be difficult to ensure that lead-acid accumulator can have the rear performance of well welding, occurred some because failure welding causes service life of lead accumulator to terminate too early; Buy their scaling powder in addition, it is expensive, and the scaling powder price of different manufacturers is higher.
Chinese patent publication No. 101722387A, date of publication on June 9th, 2010, name is called scaling powder, and this application case discloses a kind of scaling powder, is mixed by acetic acid, concentrated hydrochloric acid, ammonium chloride, glycerine, water.Its weak point is, this formula is welding with confluxing for polar plate of lead acid storage battery, and effectively cannot remove the oxide on lug, lead-acid storage battery busbar welding effect is poor, and high-rate discharge ability is low.
Summary of the invention
The object of the invention is in order to solve existing scaling powder, polar plate of lead acid storage battery is being welded with confluxing, effectively cannot remove the oxide on lug, lead-acid storage battery busbar welding effect is poor, the defect that high-rate discharge ability is low and a kind of oxide can effectively removed on lug is provided, realize the good bus-bar welding effect of lead-acid accumulator, improve its high-rate discharge ability, thus guarantee the lead-acid accumulator scaling powder in its longer service life.
To achieve these goals, the present invention is by the following technical solutions:
A kind of lead-acid accumulator scaling powder, is made up of the material of following percetage by weight: the coloring agent of the cosolvent of the phosphorous acid of 45-55%, the surfactant of 0.5-1.5%, 0.1-0.2%, the alcohols of 1.5-2.5%, 0.01-0.02 ‰, the additive of 0.1-0.5%, surplus are solvent.In the technical program, phosphorous acid is binary acid, acid slightly stronger than phosphoric acid, having strong reducing property, is that the oxide layer on stereotype ear surface is fallen by sour corrosion, expose fresh metallic lead, and be have the pit shape be corroded in Metallic lead surface, object removes the lead oxide on surface, impels rough surface, have sticky effect after plumbous immersion enters, thus phosphorous acid for lead belong to antioxidant and surface corrosion and effect; Adding of alcohols is because alloy liquid cooled and solidified becomes solid, can shrink generation pore and cause pad internal resistance to be unfavorable for greatly energising, so alcohols has gas to spread the effect that bubble is eliminated herein; Because alcohols at high temperature has the effect of burning to contribute to heating for metal, the spot temperature of scaling powder can be assembled more, be beneficial to fusing, leaching scaling powder can be avoided too much to explode lead simultaneously, because alcohols runs into high-temperature liquid state meeting rapid evaporation, the globule can not be caused to run into high-temperature lead liquid and to explode plumbous phenomenon;
The effect of coloring agent: because plate ear scaling powder when leaching scaling powder can swash, what have climbs on glass fibre separator, climb to again in the lead plaster of pole plate, and the object of coloring agent is that scaling powder is become colored liquid, if scaling powder is drawn onto on glass fibre separator paper or lead plaster and can it is evident that, be beneficial to control product quality.
As preferably, described surfactant is any one in sodium vinyl sulfonate, propyl sulfonic acid sodium, ALS, sulfated castor oil, lauryl sodium sulfate, fatty acid glycerine fat, polyacid or polyalcohol.
As preferably, surfactant is the one in succinic acid, butanediol or citric acid.
As preferably, described cosolvent is the one in salicylic acid, sodium salicylate, acetamide or Sodium Benzoate.
As preferably, described alcohols is any one in ethanol, ethylene glycol, propyl alcohol or propane diols.
As preferably, described coloring agent is methyl red.
As preferably, additive is the composition of HEDP, s-triazine and monoethanolamine, and its mass ratio is HEDP, s-triazine and monoethanolamine 1:1-3:0.2-0.7.In the technical program, the s-triazine added is the aqueous solution of 2,4,6-tri-thiol s-triazine trisodium salt, colourless or micro-yellow transparent liquid, a kind of polycyclic organic compound containing N, can in water-soluble, the sulfuric acid solution of arbitrary proportion, stable chemical nature.
It is a kind of coordination doping agent, and it can independent role or other active component mating reaction, can form complex with metal ions such as lead ions; Mix up the mechanism of action by the coordination of s-triazine, reduce polar plate of lead acid storage battery sulfation, improve battery performance and improve circulating battery service life.
As preferably, solvent is deionized water, pure water or ultra-pure water.
Beneficial effect of the present invention:
1) scaling powder of the present invention can ensure the welding effect that lead-acid accumulator is good, and what make lead-acid accumulator has the longer life cycle life-span;
2) scaling powder that can buy compared with market of scaling powder cost of the present invention is low;
3) scaling powder of the present invention effectively can remove the oxide on lug, realizes the good bus-bar welding effect of lead-acid accumulator, improves its high-rate discharge ability, thus guarantee its longer service life.
Accompanying drawing explanation
Fig. 1 is the loop test figure of the embodiment of the present invention 1 and comparative example 1.
Detailed description of the invention
In order to understand the present invention further, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these describe just in order to further illustrate the features and advantages of the present invention, instead of limiting to the claimed invention.
Embodiment 1
A kind of lead-acid accumulator scaling powder, is obtained by following steps:
A) succinic acid and additive are dissolved in pure water, are stirred to and dissolve completely, obtain thick liquid; Salicylic acid is dissolved in 50ml ethanol, is stirred to and dissolves completely, obtain salicylic acid-ethanolic solution; Methyl red is dissolved in 50ml ethanol, is stirred to and dissolves completely, obtains methyl red-ethanolic solution;
B) step a) is obtained salicylic acid-ethanolic solution to pour in the thick liquid of step a), then add phosphorous acid, be stirred to and dissolve completely;
C) step a) is obtained methyl red-ethanolic solution to pour in the solution that step b) obtains, be uniformly mixed.Wherein the content of each component is: the phosphorous acid of 45%, the succinic acid of 0.5%, the salicylic acid of 0.1%, ethanol, the methyl red of 0.01 ‰, additive, the surplus of 0.1% of 1.5% are pure water.Additive is the composition of HEDP, s-triazine and monoethanolamine, and its mass ratio is HEDP, s-triazine and monoethanolamine 1:1:0.2.
Embodiment 2
A kind of lead-acid accumulator scaling powder, is obtained by following steps:
A) succinic acid and additive are dissolved in pure water, are stirred to and dissolve completely, obtain thick liquid; Salicylic acid is dissolved in 50ml ethanol, is stirred to and dissolves completely, obtain salicylic acid-ethanolic solution; Methyl red is dissolved in 50ml ethanol, is stirred to and dissolves completely, obtains methyl red-ethanolic solution;
B) step a) is obtained salicylic acid-ethanolic solution to pour in the thick liquid of step a), then add phosphorous acid, be stirred to and dissolve completely;
C) step a) is obtained methyl red-ethanolic solution to pour in the solution that step b) obtains, be uniformly mixed.Wherein the content of each component is: the phosphorous acid of 50%, the succinic acid of 1%, the salicylic acid of 0.15%, ethanol, the methyl red of 0.015 ‰, additive, the surplus of 0.3% of 2% are pure water.Additive is the composition of HEDP, s-triazine and monoethanolamine, and its mass ratio is HEDP, s-triazine and monoethanolamine 1:2:0.5.
Embodiment 3
A kind of lead-acid accumulator scaling powder, is obtained by following steps:
A) succinic acid and additive are dissolved in pure water, are stirred to and dissolve completely, obtain thick liquid; Salicylic acid is dissolved in 50ml ethanol, is stirred to and dissolves completely, obtain salicylic acid-ethanolic solution; Methyl red is dissolved in 50ml ethanol, is stirred to and dissolves completely, obtains methyl red-ethanolic solution;
B) step a) is obtained salicylic acid-ethanolic solution to pour in the thick liquid of step a), then add phosphorous acid, be stirred to and dissolve completely;
C) step a) is obtained methyl red-ethanolic solution to pour in the solution that step b) obtains, be uniformly mixed.Wherein the content of each component is: the phosphorous acid of 55%, the succinic acid of 1.5%, the salicylic acid of 0.2%, ethanol, the methyl red of 0.02 ‰, additive, the surplus of 0.5% of 2.5% are pure water.Additive is the composition of HEDP, s-triazine and monoethanolamine, and its mass ratio is HEDP, s-triazine and monoethanolamine 1:3:0.7.
Comparative example 1, scaling powder is commercial products.
Test after the scaling powder of the scaling powder prepared by embodiment 1-3 and comparative example 1 is made into the battery of 12V12Ah, by 100%DOD deep discharge, adopt the charging of common user charger, carry out cycle life test, the correction data of the battery of embodiment 1 and the battery of comparative example 1 is shown in Fig. 1.
As seen from Figure 1, the cycle performance of the lead-acid accumulator that the scaling powder that prepared by the present invention obtains is better than the obtained lead-acid accumulator of existing scaling powder.
The scaling powder price of different manufacturers is not at 70 ~ 80 yuan/kg etc.Scaling powder cost of the present invention is at 20 ~ 30 yuan/kg, now often produce the consumption of 500 12Ah or 20Ah battery palpus 300g, present 1 point 5 lis are down at this block of scaling powder from original 4 points 5 lis by calculating on average every battery like this, 3 points/are saved, by expecting sales volume 1.8 hundred million this year, cost-saved 5,400,000 yuan/year, greatly improve the market competitiveness of product.
Scaling powder of the present invention effectively can remove the oxide on lug, realizes the good bus-bar welding effect of lead-acid accumulator, improves its high-rate discharge ability, thus guarantee its longer service life.

Claims (7)

1. a lead-acid accumulator scaling powder, it is characterized in that, be made up of the material of following percetage by weight: the coloring agent of the cosolvent of the phosphorous acid of 45-55%, the surfactant of 0.5-1.5%, 0.1-0.2%, the alcohols of 1.5-2.5%, 0.01-0.02 ‰, the additive of 0.1-0.5%, surplus are solvent, wherein, described alcohols is any one in ethanol, ethylene glycol, propyl alcohol or propane diols.
2. a kind of lead-acid accumulator scaling powder according to claim 1, it is characterized in that, described surfactant is any one in sodium vinyl sulfonate, propyl sulfonic acid sodium, ALS, sulfated castor oil, lauryl sodium sulfate, fatty acid glycerine fat, polyacid or polyalcohol.
3. a kind of lead-acid accumulator scaling powder according to claim 1 and 2, is characterized in that, surfactant is the one in succinic acid, butanediol or citric acid.
4. a kind of lead-acid accumulator scaling powder according to claim 1, is characterized in that, described cosolvent is the one in salicylic acid, sodium salicylate, acetamide or Sodium Benzoate.
5. a kind of lead-acid accumulator scaling powder according to claim 1, is characterized in that, described coloring agent is methyl red.
6. a kind of lead-acid accumulator scaling powder according to claim 1, is characterized in that, additive is the composition of HEDP, s-triazine and monoethanolamine, and its mass ratio is HEDP, s-triazine and monoethanolamine 1:1-3:0.2-0.7.
7. a kind of lead-acid accumulator scaling powder according to claim 1 or 2 or 4 or 5 or 6, it is characterized in that, solvent is deionized water, pure water or ultra-pure water.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108637526A (en) * 2018-04-26 2018-10-12 天能集团(河南)能源科技有限公司 A kind of lead-acid accumulator high-performance scaling powder and preparation method thereof

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475712B (en) * 2014-11-24 2016-10-05 天能电池集团(安徽)有限公司 Lead-acid accumulator cast welding scaling powder
CN105499839B (en) * 2015-12-31 2017-12-26 肇庆理士电源技术有限公司 A kind of preparation method of scaling powder and the scaling powder for lead-acid battery cast welding
CN108422127B (en) * 2017-11-13 2020-06-16 天能集团(河南)能源科技有限公司 Water-based soldering flux for lead-acid storage battery
CN108480877A (en) * 2018-04-13 2018-09-04 苏州龙腾万里化工科技有限公司 A kind of scaling powder that can make solder joint beauty
CN109719421A (en) * 2018-11-15 2019-05-07 河北超威电源有限公司 A kind of lead-acid accumulator cast welding agent and the welding method using the cast welding agent

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JP2003230982A (en) * 2002-02-06 2003-08-19 Shin Kobe Electric Mach Co Ltd Flux for lead alloy welding and lead storage battery using it
CN101104231A (en) * 2007-08-11 2008-01-16 厦门大学 Cleaning-free water base type scaling powder capable of restraining welding point interface compound growth
JP2009131870A (en) * 2007-11-30 2009-06-18 Nippon Steel & Sumikin Welding Co Ltd Flux-cored wire for submerged arc welding of low-temperature steel, and welding method using the same
CN102248326A (en) * 2010-05-20 2011-11-23 骆驼集团股份有限公司 Organic aqueous flux for lead-acid storage battery pole group automatic welding and preparation method thereof
CN103264239A (en) * 2013-04-07 2013-08-28 天能电池(芜湖)有限公司 Lead-acid accumulator plate flux
CN103286477A (en) * 2013-05-22 2013-09-11 中南大学 Soldering flux for lead-free solder and preparation method of soldering flux

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003230982A (en) * 2002-02-06 2003-08-19 Shin Kobe Electric Mach Co Ltd Flux for lead alloy welding and lead storage battery using it
CN101104231A (en) * 2007-08-11 2008-01-16 厦门大学 Cleaning-free water base type scaling powder capable of restraining welding point interface compound growth
JP2009131870A (en) * 2007-11-30 2009-06-18 Nippon Steel & Sumikin Welding Co Ltd Flux-cored wire for submerged arc welding of low-temperature steel, and welding method using the same
CN102248326A (en) * 2010-05-20 2011-11-23 骆驼集团股份有限公司 Organic aqueous flux for lead-acid storage battery pole group automatic welding and preparation method thereof
CN103264239A (en) * 2013-04-07 2013-08-28 天能电池(芜湖)有限公司 Lead-acid accumulator plate flux
CN103286477A (en) * 2013-05-22 2013-09-11 中南大学 Soldering flux for lead-free solder and preparation method of soldering flux

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108637526A (en) * 2018-04-26 2018-10-12 天能集团(河南)能源科技有限公司 A kind of lead-acid accumulator high-performance scaling powder and preparation method thereof
CN108637526B (en) * 2018-04-26 2020-08-11 天能集团(河南)能源科技有限公司 High-performance soldering flux for lead-acid storage battery and preparation method thereof

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Address after: 313100 Zhejiang city of Huzhou province Changxing County pheasant emerging urban industrial park

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