Cloud gel electrolyte for lead-acid storage battery
A lead-acid battery and electrolyte technology, applied in the direction of lead-acid batteries, etc., can solve the problems of poor acid-fixing ability, unstable gel strength, low stability, etc., achieve strong adsorption capacity, outstanding acid-fixing ability, and stable performance Effect
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[0009] example 1:
[0010] Change the molecular formula to SiO x (x=1.6), density is 5~50g / l, specific surface area is 200~1000m 2 6 g of cloud gel powder per g is uniformly dispersed in 100 g of deionized water to form a cloud gel dispersion.
[0011] 1.5 g of polyvinyl alcohol with a degree of polymerization of 500 and a degree of alcoholysis of 80% and 3 g of polyethylene glycol ether with a molecular weight of 2000 are dissolved in 50 g of deionized water to prepare an additive aqueous solution.
[0012] Dissolve 700 g of sulfuric acid in 1140 g of deionized water to obtain a dilute sulfuric acid solution.
[0013] Finally, the cloud gel dispersion, the additive aqueous solution, and the dilute sulfuric acid solution are mixed uniformly to obtain 2000 g of cloud gel electrolyte for lead-acid batteries. The electrolyte is suitable for lead-acid batteries using AGM separators and can be added to the battery with a vacuum dispenser.
Example
[0014] Example 2:
[0015] Change the molecular formula to SiO x (x=1.8), density is 5~50g / l, specific surface area is 200~1000m 2 50 g of cloud gel powder per g is uniformly dispersed in 400 g of deionized water to form a cloud gel dispersion.
[0016] 2.0 g of polyvinyl alcohol with a degree of polymerization of 1700 and a degree of alcoholysis of 78% and 4 g of polyethylene glycol ether with a molecular weight of 1000 were dissolved in 60 g of deionized water to prepare an aqueous additive solution.
[0017] Dissolve 720 g of sulfuric acid in 764 g of deionized water to obtain a dilute sulfuric acid solution.
[0018] Finally, the cloud glue dispersion, the additive aqueous solution and the dilute sulfuric acid solution are mixed uniformly to obtain 2000g cloud glue electrolyte for lead-acid batteries. The electrolyte is suitable for all-colloid lead-acid batteries using PE and PVC separators. Vacuum filling machine can be used. Add it to the battery.
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