Provided are a material removal device and method for a battery electrode plate, to remove a coating material of a predetermined region of the battery electrode plate. The battery electrode plate includes a current collector and a coating material attached...

[Object] To provide a coating apparatus that can prevent distortion of the shape of a coating area on a sheet member. [Solution Means] A coating apparatus 50 includes a suction roller peripheral wall 114a (base plate 70) on which a flexible electrolyte mem...