Amophous Silica Powder For Lead-Acid Battery Separator

Silica powder for Lead Acid Battery Separators/ PE Sepatators/PE MembraneFor Lead Acid Battery The septum with silicon doxide is located between the cathode and the negative electrode. The main function is to separate the positive and negative active substances and prevent the two poles short....

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Amophous Silica Powder for Lead-Acid Battery Separator

Silicon dioxide (SiO2) is a mineral compound that plays a crucial role in the production of lead-acid battery separators using the precipitation method. This process involves adding a solution of sodium silicate (Na2SiO3) to sulfuric acid (H2SO4) to cause the precipitation of SiO2 in the form of a gel.

The SiO2 gel is then washed, dried, and heat-treated to form a porous and stable separator that can efficiently prevent the migration of lead ions between the positive and negative electrodes of the battery. This is important because the migration of lead ions can cause short-circuiting and reduce the battery's lifespan.

One of the main advantages of using SiO2 in battery separators is its chemical stability and high resistance to acid corrosion. This allows the separators to maintain their structure and performance for a long time, even under harsh operating conditions.

Furthermore, the porous structure of SiO2 separators allows for the efficient diffusion of ions and electrolytes, which enhances the battery's overall performance and reduces the risk of overload or over-discharge.

In addition, SiO2 separators have a low electrical conductivity, which prevents self-discharge and improves the shelf life of the battery. They are also lightweight and easy to manufacture, making them a cost-effective solution for various battery applications.

Overall, the use of SiO2 in lead-acid battery separators helps to improve the overall efficiency, stability, and longevity of the battery, making it an ideal choice for a wide range of industrial, commercial, and consumer applications.

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