Patent ID: 11942591
Assignee: TESLA, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A method for constructing a battery comprising:
forming a can;
forming a jelly roll;
inserting the jelly roll into the can;
inserting a top insulator into the can adjacent to and above the jelly roll; and
assembling a battery cap including an outer conductive ring, an insulator ring, a conductive top plate, a conductive rupture plate, wherein the conductive top plate has an opening in a central portion thereof, and wherein the central portion is configured to receive a fill material injected through the opening;
connecting a cathode to the conductive rupture plate;
inserting the battery cap into the can such that the cathode extends into the jelly roll; and
welding the battery cap to an inner surface of the can adjacent to and above the top insulator.