Patent ID: 6203940
Filing Date: 2001-03-20
Classification: H01M,Y02E

Abstract:
An air depolarized electrochemical cell, having an outer surface, said cell comprising:(a) an anode including electroactive anode material;(b) an air cathode, including an air cathode assembly, said air cathode assembly comprising a tubular cathode current collector, and an active catalyst joined with said tubular cathode current collector and catalyzing a cathodic reaction with oxygen entering said cell, structure defining said cathode current collector, perforations extending through the structure, and a longitudinal joint joining opposing edge portions of the structure without layer-on-layer overlapping of the edge portions:(c) a separator between said anode material and said cathode assembly; and(d) electrolyte dispersed in said anode material, said cathode assembly, and said separator.