Patent ID: 11936003
Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 3:
4. The battery according to claim 1, wherein
in the cross section perpendicular to the winding axis,
the wound electrode assembly is divided into four equal parts in a longitudinal direction, the four equal parts being a first region, a second region, a third region, and a fourth region,
in the longitudinal direction, the first region, the second region, the third region, and the fourth region are arranged in this order,
the first separator starts winding in the second region and ends winding in the third region,
the second separator starts winding in the third region and ends winding in the third region,
the positive electrode plate starts winding in the second region and ends winding in the second region, and
the negative electrode plate starts winding in the third region and ends winding in the second region.