What Are the Raw Materials of OPzV Batteries?

OPzV (Ortsfestes-Pol-Vlies, or fixed plate gel) batteries are a type of valve-regulated lead-acid (VRLA) battery that utilizes a gel electrolyte rather than a liquid. The main raw materials used in OPzV batteries include:

  1. Lead: Both lead dioxide (PbO2) and sponge lead (Pb) are essential components of the positive and negative plates, respectively. These plates are typically made by pasting lead oxide onto a lead grid structure.
  2. Sulfuric Acid: Sulfuric acid (H2SO4) is used to create the electrolyte in traditional lead-acid batteries. However, in OPzV batteries, the acid is immobilized within a gel, enhancing safety and allowing for maintenance-free operation.
  3. Absorbent Glass Mat (AGM): AGM separators are often used to physically separate the positive and negative plates in VRLA batteries. However, OPzV batteries use gel electrolyte, so the AGM may not be present.
  4. Plastic Components: Various plastic materials are used for the battery casing, covers, and separators, providing structural support and insulation.
  5. Gel Electrolyte: The gel electrolyte in OPzV batteries is typically composed of a mixture of sulfuric acid, silica gel, and other gelling agents. This gel structure immobilizes the electrolyte, reducing the risk of leakage and allowing for operation in different orientations.

These raw materials are combined through specific manufacturing processes to produce OPzV batteries, which are known for their deep cycling capability, long service life, and high reliability, making them suitable for applications requiring robust energy storage solutions.


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