Extrusion coating

The process of winding matched positive electrode sheets, negative electrode sheets, separator, and tab materials into a core assembly (winding core) by controlling factors such as equipment speed, tension, dimensions, and alignment.

The process of longitudinally slitting the incoming film into multiple sections and winding them into upper and lower single rolls with a specified width.

The process of initially charging the battery to activate the active materials in lithium-ion batteries and form a stable solid electrolyte interface (SEI) membrane.

The process of uniformly applying the fluid slurry onto the surface of the current collector using coating equipment, followed by drying to form a film and produce battery electrodes.

The process of grouping batteries based on their overall performance characteristics such as capacity, voltage, internal resistance, etc., in order to ensure consistency among the batteries.