Abstract: A coating apparatus includes: a coating manifold for supplying a coating liquid to a base material; a supply channel for supplying the coating liquid to the coating manifold; and a connection channel connecting the supply channel to the coating manifold. The connection channel includes at least one branch portion, and the at least one branch portion branches into two branch channels that are equal to each other in channel distance.

Abstract: An electrode body including a current collector and an electrode layer that includes layers in the order of a first electrode layer and a second electrode layer from the current collector side in a thickness direction. The first electrode layer includes an end surface A, and the second electrode layer includes an end surface B. In a cross-sectional view in the thickness direction, the end surface A includes an end part A1 in the current collector side, and an end part A2 in the second electrode layer side, and the end surface B includes an end part B1 in the first electrode layer side, and an end part B2 in an opposite side to the first electrode layer; the end surface A includes, in a vertical direction to the thickness direction, and a first inclination part in which the end part A1 protrudes form the end part A2.

Abstract: A production device of an electrode member to be used for a battery, the production device including: a backup roll configured to support a current collector to be carried; a first die configured to form a first coating layer by coating the current collector on the backup roll with a first slurry; and a second die configured to form a second coating layer by coating the first coating layer on the backup roll with a second slurry, wherein each of the first die and the second die are independent; and when horizontal direction is regarded as a reference 0°, perpendicular downward is regarded as +90°, and perpendicular upward is regarded as ?90°, a discharge angle of the second slurry in the second die is ?90° or more and +60° or less.