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Alloy for producing lead-acid accumulator grid and manufacturing method thereof

A technology of lead-acid batteries and lead-calcium master alloys, which is applied in the field of metallurgy and can solve problems such as increased brittleness and hardness of alloys, decreased corrosion resistance of alloys, and uneven cadmium components.

Inactive Publication Date: 2008-01-02
上海飞轮有色冶炼厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a kind of alloy that is used to manufacture lead-acid storage battery grid, and described this alloy that is used to manufacture lead-acid storage battery grid will solve the problem of lead-cadmium-antimony alloy in the prior art when the cadmium content is 1.0%. In the range of -2.0%, the brittleness and hardness of the alloy increase, agglomerate frame-shaped segregation occurs, the cadmium composition is uneven, and the technical problems of the local corrosion resistance of the alloy decrease

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Accurately weigh 2Kg of barium, 30Kg of tin, 1Kg of calcium and 2297Kg of lead according to the ratio; produce 200Kg of lead-barium master alloy and 100Kg of lead-calcium master alloy respectively at 700°C, melt 2000Kg of lead and raise the temperature to 600°C, then add 200Kg Lead-barium master alloy, 100Kg lead-calcium master alloy and 30Kg tin are stirred evenly, and the alloy is cast into an ingot.

Embodiment 2

[0013] Accurately weigh 2Kg of barium, 30Kg of tin, and 2298Kg of lead according to the ratio; produce 200Kg of lead-barium master alloy at 700°C, melt 2000Kg of lead and raise the temperature to 600°C, then add 200Kg of lead-barium master alloy and 30Kg of tin, and stir After homogenization, the alloy is cast into ingots.

Embodiment 3

[0015] Accurately weigh 2Kg of barium and 2328Kg of lead according to the ratio; produce 200Kg of lead-barium master alloy at 700°C, melt 2000Kg of lead and raise the temperature to 600°C, then add 200Kg of lead-barium master alloy, stir evenly, and cast the alloy into ingot.

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PUM

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Abstract

The invention discloses an alloy for producing the plate grid of lead-acid accumulator, composed of barium, tin and lead, wherein the barium weight is 0.01-0.12%, the tin weight is 0.00-3.00%, and the left is lead. The alloy also can contain 0.02-0.06% calcium. The invention further provides a relative production method. The accumulator produced by the inventive method can keep high rigidity and mechanical property in application, to resolve the stability and reliability problems of accumulator. And the tin can improve the conductivity of corrosion layer at plate grid interface. The tin at high content can improve the rigidity and rigidifying speed of alloy, prolong the service life, reduce corrosion, and improve creep resistance.

Description

technical field [0001] The invention relates to the field of metallurgy, in particular to a lead-acid storage battery grid, in particular to an alloy for manufacturing a lead-acid storage battery grid and a production method thereof. Background technique [0002] At present, all countries in the world are researching and developing high-performance batteries to solve the problems of reliability, maintenance-free, deep cycle, and corrosion resistance of lead-acid batteries. As the main part of the battery, the grid alloy plays an important role in the development of the battery. Lead-cadmium-antimony alloy is particularly respected as an excellent alloy for lead-acid battery grids. The reason is that the alloy makes the battery have excellent electrical properties and casting process performance, and is especially suitable for deep-cycle traction-type lead-acid batteries. storage battery. However, when the lead-cadmium-antimony alloy is in use, when the cadmium content in t...

Claims

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Application Information

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IPC IPC(8): H01M4/68H01M4/73C22C11/00C22C11/06C22C1/02
CPCY02E60/10
Inventor 沈嘉麟顾秀峰吴建华韩鹰张忠民黄惠民朱卫敏
Owner 上海飞轮有色冶炼厂
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