Benergy Industrial lithium batteries manufacturer since 2009
When producing lifepo4 cells, there are 2 types of production technology:
A. Lamitation Technology (Stacking Technology)
B. Winding Technology (Rolling Technology)
What's the differences between lamination and rolling(Winding) technology?
The difference between lamination LiFePO4 cells and rolling LiFePO4 cells lies in their manufacturing processes and structural designs. Here's a breakdown of the key variances between the two:
Lamination LiFePO4 Cells:
Manufacturing Process: Lamination cells are produced by stacking electrodes and separator materials in a flat, layered structure, similar to a sandwich.
Design: These cells have a flat and thin profile due to the layering process, enabling flexibility in terms of shape and size.
Flexibility: Lamination cells are more flexible and can be custom-shaped to fit specific applications, making them suitable for curved or irregular spaces.
Heat Dissipation: They typically offer better heat dissipation characteristics compared to rolling cells due to the design allowing for more efficient thermal management.
Rolling(Winding) LiFePO4 Cells:
Manufacturing Process: Rolling (Winding) cells are made by rolling the electrodes and separator materials into a cylindrical shape, similar to a jelly roll.
Design: These cells have a cylindrical form factor and are commonly used in applications that require standard cylindrical battery shapes.
Stacking Method: Winding (rolling) cells are typically stacked in a cylindrical canister, allowing for efficient use of space and easy assembly in series and parallel configurations.
Durability: The cylindrical design of Winding (rolling) often provides better structural integrity and durability compared to lamination cells.
Applications: Rolling cells are widely used in consumer electronics, power tools, electric vehicles, and other applications where standard cylindrical battery sizes are preferred.
In summary, lamination LiFePO4 cells are characterized by their flat and thin design, flexibility in shape, and efficient heat dissipation, making them suitable for custom-shaped applications. On the other hand, winding (rolling) LiFePO4 cells are cylindrical in shape, offer standard sizing options, durability, and are commonly used in applications where cylindrical form factors are preferred or required. The choice between the two types of cells depends on factors such as the specific application requirements, space constraints, and design preferences.