Patent ID: 9093683
Filing Date: 2015-07-28
Classification: A61N,H01M,Y02E

Abstract:
1. An apparatus, comprising: an anode having an elongate ribbon shape; a cathode having an elongate ribbon shape having a long side and a short side, the cathode disposed adjacent to and in alignment with the anode, the cathode having at least one edge on the short side offset from a corresponding edge of the anode; a separator disposed between the anode and the cathode; and an edge film positioned at the edge on the short side of the cathode that is offset from the corresponding edge of the anode, the edge film located between and contacting both the cathode and the separator such that the edge film is positioned and configured to prevent the edge on the short side of the cathode from damaging the separator or the anode as the anode and cathode are wound together into a roll.