Repairing liquid of lead-acid storage battery
A lead-acid battery and repair fluid technology, applied in the field of electrochemistry, can solve the problems of inability to reduce lead sulfate crystals to dilute sulfuric acid, inability to obtain widespread promotion and application, battery plate damage, etc., and to reduce the trend of mutual coalescence , The effect of preventing sulfation and increasing the stability of the system
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[0022] Example 1
[0023] Prepare materials according to the following formula (weight percentage): deionized water 94.5%, nano silicon nitride powder 2.5%, poly-N-vinylpyrrolidone 0.5%, PEG2000 0.5%, relatively low molecular weight sodium polyacrylate dispersant 0.5%, poly Vinyl alcohol 0.5%, polyvinyl amide 0.5%, sodium nitrite (preservative) 0.5%;
[0024] Place the above-mentioned materials in a glass heating kettle (no metal containers or metal tools can be used for heating, stirring, packaging), and heat the temperature to 80°C for 1 hour to completely dissolve the above-mentioned materials in deionized water to obtain a translucent appearance The solution is ready and stored at 0-40°C.
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[0025] Example 2
[0026] Prepare materials according to the following formula (weight percentage): 90% deionized water, 4.0% nano silicon nitride powder, 1.0% poly-N-vinylpyrrolidone, 1.0% PEG300, 1.0% relative low molecular weight sodium polyacrylate dispersant, poly 1.0% vinyl alcohol, 1.0% polyvinylamide, 1.0% dehydroacetic acid (preservative);
[0027] Put the above materials in an enamel heating kettle (no metal containers or metal tools are allowed to heat, stir, and pack), heat the temperature to 85℃, keep for 1h, so that the above materials are completely dissolved in deionized water to obtain a translucent appearance The solution is ready and stored at 0-40°C.
[0028] The invention can effectively dissolve and remove the lead sulfate crystals on the battery plate, restore the function of the plate, and restore the battery capacity after repair to more than 85% of the new battery capacity, and form a protective film on the surface of the battery plate to make the battery p...
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