High-performance anti-corrosion compound coating grid of lead-acid battery and preparation method thereof
A lead-acid battery and composite coating technology, applied in the direction of battery electrodes, circuits, electrical components, etc., can solve the problems that affect the speed and degree of grid corrosion, affect the cycle life of lead-acid batteries, and cannot support active materials, etc., to achieve Extends battery life, contributes to long life and high mechanical strength
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Embodiment 1
[0020] A method for preparing a high-performance corrosion-resistant composite coating grid of a lead-acid battery, the preparation method comprising the following steps: combining poly-3,4-ethylenedioxythiophene, graphene oxide, iridium acetylacetonate and polystyrene sulfonate The mixture obtained after mixing the acid salt was subjected to high-pressure dispersion treatment with a high-pressure dispersion equipment at a pressure of 21,000 PSI, and was treated for 3 times; then mixed with pure water and added to a ball mill tank for ball milling for 1 hour, the solid-liquid ratio of the mixture to pure water was 1g: 20mL; Prepare a high molecular polymer aqueous solution, immerse the lead-acid battery grid in the high molecular polymer aqueous solution for 1-4 minutes, take it out and dry it at 60°C to obtain a high-performance corrosion-resistant composite coating grid for the lead-acid battery.
[0021] Wherein, the mass ratio of poly(3,4-ethylenedioxythiophene), graphene o...
Embodiment 2
[0023] A method for preparing a high-performance corrosion-resistant composite coating grid of a lead-acid battery, the preparation method comprising the following steps: combining poly-3,4-ethylenedioxythiophene, graphene oxide, iridium acetylacetonate and polystyrene sulfonate The mixture obtained after mixing the acid salt was subjected to high-pressure dispersion treatment with a high-pressure dispersion equipment at a pressure of 22000PSI, and was treated 4 times; then mixed with pure water and added to a ball mill tank for ball milling for 2 hours, the ratio of the mixture to the pure water was 1g: 23mL; Prepare a high molecular polymer aqueous solution, immerse the lead-acid battery grid in the high molecular polymer aqueous solution for 1-4min, take it out and dry it at 75°C to obtain a high-performance corrosion-resistant composite coating grid for the lead-acid battery.
[0024] Wherein, the mass ratio of poly(3,4-ethylenedioxythiophene), graphene oxide, iridium acety...
Embodiment 3
[0026] A method for preparing a high-performance corrosion-resistant composite coating grid of a lead-acid battery, the preparation method comprising the following steps: combining poly-3,4-ethylenedioxythiophene, graphene oxide, iridium acetylacetonate and polystyrene sulfonate The mixture obtained after mixing the acid salt was subjected to high-pressure dispersion treatment at a pressure of 25,000 PSI with a high-pressure dispersing equipment, and was treated for 5 times; then mixed with pure water and added to a ball mill tank for ball milling for 5 hours, the solid-liquid ratio of the mixture to pure water was 1g: 25mL; Prepare a high molecular polymer aqueous solution, immerse the lead-acid battery grid in the high molecular polymer aqueous solution for 1-4 minutes, take it out and dry it at 95°C to obtain a high-performance corrosion-resistant composite coating grid for the lead-acid battery.
[0027] Wherein, the mass ratio of poly(3,4-ethylenedioxythiophene), graphene ...
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