Laminated curved surface battery

The utility model provides a laminated curved surface battery which comprises a battery cell and a shell, the battery cell is arc-shaped and is wrapped by the shell, the battery cell is formed by combining a plurality of pole pieces and diaphragms in a laminated manner, the diaphragms are arranged between the adjacent pole pieces, the plurality of pole pieces comprise positive pole pieces and negative pole pieces, and the positive pole pieces and the negative pole pieces are arranged in a crossed manner; the pole piece is composed of a current collector and a pole material coated on the current collector, the pole piece sequentially comprises an inner layer pole piece, an outer layer pole piece and a plurality of middle pole pieces located between the inner layer pole piece and the outer layer pole piece from inside to outside, and the side face, opposite to the middle pole pieces, of the current collector of the inner layer pole piece is coated with the pole material. The side face, opposite to the middle po