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The Positive Electrode Additive in Lead-Acid Battery

Small size, Big power-Long-Lasting Energy Booster

  • Conventional lead-acid batteries contain a positive electrode (PbO2 plate) and a negative electrode (Pb plate) immersed in a sulfuric acid electrolyte and have a separator interposed between them. A variety of additives have been proposed as a means of improving the manufacture of batteries. If an oxidizing solution can be applied to the positive plate, the result of a paste containing lead oxide(s) and lead sulfate(s) on the surface of a battery plate and electrochemically forming the paste into an active material, which is called a lead oxide paste composition.
  • The input energy can be reduced during the forming process. When lead-acid batteries are improperly charged or discharged, useful power delivered to loads diminishes. One cause for this is a phenomenon generally referred to as sulfation. One possible method is to recharge the lead-acid battery using a pulse charger, with the constant current-constant voltage (CC-CV) that can reduce the charging time and extend the lead-acid battery life.

Sodium Perborate is used as a positive electrode additive to enhance the bonding ability between the separator and the lead paste. Adding sodium perborate (NaBO3 ) can help improve the performance and life of lead-acid batteries, thereby softening the active material of the plate and generating lead sulfate, increasing the capacity of the battery, especially in low temperatures.

 

The Pros of Sodium Perborate:

  • Cost-effective, toxic-free, stable, easy to handle, and environmentally friendly
  • Sodium Perborate is a convenient source of hydrogen peroxide. It can not only replace H2O2 for oxidation but also overcome the disadvantages of poor stability, high explosiveness, high toxicity, complex operation and high cost.

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Key words: potassium hydrogen peroxymonosulfate compound salt, sodium percarbonate, sodium perborate, calcium peroxide, magnesium peroxide, solid hydrogen peroxide, magnesium silicate, magnesium aluminum silicate, composite powder, oil filter powder, anthraquinone regeneration catalyst

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