Current collection assembly for alkaline battery

The current collection assembly comprises a sealing ring, a bottom cover and a current collector, the current collector is in a net-shaped cylinder shape, the head end of the current collector is a solid body and is fixedly connected with the bottom cover, the center of the sealing ring is provided with a center column through hole, and the center column through hole is fixedly connected with the bottom cover. A center column through hole is formed in the bottom cover, a protruding part is arranged on the edge of the sealing ring in the circumferential direction to form an annular groove, the current collector penetrates through the center column through hole of the sealing ring, the head end of the current collector is tightly matched with the center column through hole, and the edge of the bottom cover is in sealing contact with the inner side wall of the annular groove of the sealing ring. The netted cylindrical current collector with high specific surface area is used for replacing a copper needle, so tha