An apparatus for coating an electrode slurry on a current collector, composed of a lower plate , a middle plate and an upper plate , the apparatus comprising: a first discharge port formed between the lower plate and the middle plate and configured to discharge a slurry forming a lower slurry layer onto the current collector; a second discharge port formed between the middle plate and the upper plate , positioned to be spaced apart from the first discharge port in a downstream side in a coating direction, and configured to discharge a slurry forming an upper slurry layer onto the lower slurry layer on the current collector; and a movement controller configured to move the apparatus in a direction opposite to a discharge direction, wherein ends of the lower plate , the middle plate , and the upper plate are located on a same straight line, and characterized in that : the apparatus further comprises a first valve configured to open and close a discharge of the first discharge port ; a second valve configured to open and close a discharge of the second discharge port ; and a valve controller configured to control opening and closing of the first and second valves, and that the valve controller is configured to open the first valve when the electrode slurry coating starts, and configured to open the second valve when the coating apparatus moves in a direction opposite to discharge direction. a first discharge port formed between the lower plate and the middle plate and configured to discharge a slurry forming a lower slurry layer onto the current collector; a second discharge port formed between the middle plate and the upper plate , positioned to be spaced apart from the first discharge port in a downstream side in a coating direction, and configured to discharge a slurry forming an upper slurry layer onto the lower slurry layer on the current collector; and a movement controller configured to move the apparatus in a direction opposite to a discharge direction, wherein ends of the lower plate , the middle plate , and the upper plate are located on a same straight line, and characterized in that : the apparatus further comprises a first valve configured to open and close a discharge of the first discharge port ; a second valve configured to open and close a discharge of the second discharge port ; and a valve controller configured to control opening and closing of the first and second valves, and that the valve controller is configured to open the first valve when the electrode slurry coating starts, and configured to open the second valve when the coating apparatus moves in a direction opposite to discharge direction. the apparatus further comprises a first valve configured to open and close a discharge of the first discharge port ; a second valve configured to open and close a discharge of the second discharge port ; and a valve controller configured to control opening and closing of the first and second valves, and that the valve controller is configured to open the first valve when the electrode slurry coating starts, and configured to open the second valve when the coating apparatus moves in a direction opposite to discharge direction. <EOS>