The manufacturing process of OPzV battery plates is a critical factor that determines the quality and performance of the batteries. Precision and attention to detail are essential at every step of the production process.
For the positive tubular plates, the process begins with the casting of the lead alloy grids. These grids are designed to provide a robust framework for holding the active material. Once the grids are cast, they are filled with a paste made of lead oxide, sulfuric acid, and water. The paste is evenly distributed within the tubes, ensuring maximum utilization of the active material. A polyester gauntlet is then applied to encapsulate the tubes, preventing active material loss during operation.
The negative plates are manufactured using a similar paste-filling process, but the grid structure is flat rather than tubular. The lead grid is carefully designed to enhance conductivity and minimize resistance, enabling efficient charge and discharge cycles. After the paste application, the plates undergo a curing process to ensure structural integrity and optimal electrochemical properties.
Both positive and negative plates are subjected to a formation process, during which they are charged in an electrolyte solution. This step converts the lead compounds into their active electrochemical forms, preparing the plates for use in the battery.
The final step involves assembling the plates into cells, where separators are placed between the positive and negative plates to prevent short circuits. The assembled cells are then sealed in a robust casing filled with gelled electrolyte, completing the OPzV battery production process.
