Patent ID: 11935996
Assignee: TEXTRON INNOVATIONS INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A battery cell assembly, comprising:
a rolled cell formed from a first electrode and a second electrode rolled together about a longitudinal axis, the rolled cell comprising:
a primary section in which the first electrode and the second electrode overlap in a radial direction from the longitudinal axis; and
a first extension end extending from a first longitudinal end of the primary section and formed from a first edge section of the first electrode, wherein the first edge section comprises a first folded portion folded to contact an adjacent portion of the first edge section;

a first end cap coupled to the rolled cell and contacting the first folded portion;
a second end cap; and
a jacket disposed between the first end cap and the second end cap;
wherein the first end cap, the second end cap, and the jacket are sealed to form an interior space for housing the rolled cell and to prevent fluid from entering the interior space and from exiting the interior space.