Lead-acid storage battery activator and preparation method thereof

A lead-acid battery and activator technology, used in lead-acid battery, lead-acid battery construction, secondary battery repair/maintenance, etc. Regeneration and repair effect, simple preparation method, and effect of improving service life

Active Publication Date: 2021-04-23
ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As we all know, all redox reactions cannot be realized 100%, therefore, after time accumulation, part of PbSO 4 cannot be reduced to spongy Pb, these PbSO 4 Gradually accumulate and grow, forming crystals with a diameter of 10μm-50μm, until they block the micropores of the plate and separator, hinder the penetration of the electrolyte, increase the internal resistance of the battery, increase the charging voltage, and finally reduce the charging acceptance capacity of the battery. Sulfation mentioned
If there are problems such as high storage temperature, low floating charge voltage during use, insufficient initial charge, frequent insufficient charge, or deep discharge, the sulfation rate of the lead-acid battery will be faster. When the sulfation rate reaches a certain level, Batteries can only be scrapped
Steady state PbSO 4 The formation of crystals leads to the reduction of electrochemical reaction substances in the battery, which is also the main reason for the failure and performance decline of lead-acid batteries

Method used

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  • Lead-acid storage battery activator and preparation method thereof
  • Lead-acid storage battery activator and preparation method thereof

Examples

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Example Embodiment

[0032] Example 1

[0033] A lead-acid storage battery activator comprising:

[0034] Catalysts made of kaolin, magnesium-rich silicate ores, and gallium 8-hydroxyquinolate;

[0035] A mixture of highly conductive nano-carbon particles, polyacrylamide, sodium sulfate and potassium sulfate, the mass ratio of high-conductive nano-carbon particles, polyacrylamide, sodium sulfate and potassium sulfate is 1:0.05-0.1:1:1;

[0036] Deionized water with pH ≈7;

[0037] The percentage content of the catalyst is 0.01-0.05wt.%, and the percentage content of the mixture of high conductive nano-carbon particles, polyacrylamide, sodium sulfate and potassium sulfate is 0.05-0.1wt.%.

[0038] The preparation process of the catalyst is as follows: kaolin, magnesium-rich silicate ore and 8-hydroxyquinolate gallium are mixed according to a mass ratio of 1:10:0.1, and the mixed material is placed in a high-temperature kettle, and the temperature is set at 1350-1650 ℃, heated for 2 hours, cooled an

Example Embodiment

[0040] Example 2

[0041] The preparation method of lead-acid storage battery activator described in embodiment 1, it may further comprise the steps:

[0042] 1) Add 0.01-0.05 parts by mass of the catalyst to 100 parts by mass of deionized water and stir to form a transparent solution;

[0043] 2) Add the mixture of highly conductive nano-carbon particles, polyacrylamide, sodium sulfate and potassium sulfate to the transparent solution prepared in step 1) according to 0.05-0.1 parts by mass, and stir to form a translucent suspension to obtain lead acid Battery activator.

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Abstract

The invention discloses a lead-acid storage battery activator and a preparation method thereof. The lead-acid storage battery activator comprises a catalyst prepared from kaolin clay, magnesium-rich silicate ore and 8-oxyquinoline gallium, a mixture of highly-conductive carbon nanoparticles, polyacrylamide, sodium sulfate and potassium sulfate, and deionized water, wherein the percentage content of the catalyst is 0.01-0.05 wt.%, and the percentage content of the mixture of the high-conductivity nano carbon particles, polyacrylamide, sodium sulfate and potassium sulfate is 0.05-0.1 wt.%. The lead-acid storage battery activator catalyzes lead sulfate to crystallize and decompose, reduces the internal resistance of the storage battery, and prolongs the service life of a deteriorated storage battery; meanwhile, the charging and discharging rates of the battery can be improved, the utilization rate of active substances is improved, and the capacity of the storage battery is improved. The preparation method of the lead-acid storage battery activator is simple, the raw materials are cheap, and the source is wide.

Description

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Claims

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Application Information

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Owner ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY
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