계속해서, 부극 활물질층(52B)이 형성된 부극 집전체(52A)를 직경 16㎜의 펠렛으로 되도록 구멍 뚫었다.
Subsequently, the cathode current collector (52A) on which the cathode active material layer (52B) was formed was drilled to form a pellet having a diameter of 16 mm.