Patent ID: 6221524
Filing Date: 2001-04-24
Classification: H01M,Y02P

Abstract:
An end strap for a thin metal film battery cell, the cell formed by a plate which is wound in a spiral thereby forming a roll with an end at which spiraled edges of the plate are exposed, the end strap comprising:a body of electrically conductive material for abutting the end of the roll wherein the body contacts each convolution of the roll while leaving a portion of each convolution exposed so that an electrolyte is able to flow into each convolution of the roll, the body having a first major surface, a second major surface, and an edge surface extending between the first major surface and the second major surface; anda tab of electrically conductive material, the tab being attached to the first major surface of the body at a location adjacent to the edge surface, and the tab projecting outwardly from the first major surface of the body perpendicularly when the thin metal film battery cell is in use.