Disclosed is a slot die, which includes a feed unit for introducing a coating material, a chamber for accommodating a coating material supplied through the feed unit, a slit communicating with the chamber to discharge the coating material, and a die body h...

An active material coating apparatus forms an active material layer having a uniform thickness across the width of a substrate. The active material coating apparatus includes a lower die having a groove for supplying an active material of a slurry state an...