Patent ID: 11929481
Assignee: PRIMEARTH EV ENERGY CO., LTD.
Field: nan (nan)
Classification: CPC nan | IPC H

Claim 0:
1. A method for manufacturing a rechargeable battery, comprising:
forming a mixture layer and an insulating layer adjacent to the mixture layer on a foil-shaped electrode substrate that includes an edge extending in a predetermined direction so that an exposed portion where the electrode substrate is exposed extends between the edge and the insulating layer on the electrode substrate;
pressing the mixture layer; and
stretching an extension portion, located between the edge and the mixture layer of the electrode substrate, and the insulating layer in the predetermined direction after the pressing;
wherein the stretching includes applying:
a stress that is less than a tensile strength of the electrode substrate and either:
greater than or equal to a yield stress of the electrode substrate; or
greater than or equal to a 0.2% proof stress of the electrode substrate to the extension portion, and

a stress that is either:
greater than or equal to a yield stress of the insulating layer; or
greater than or equal to a 0.2% proof stress of the insulating layer to the insulating layer.