Patent ID: 6461761
Filing Date: 2002-10-08
Classification: H01M,Y02E

Abstract:
A tubular air depolarized cell, having a length, a top, and a bottom, said air depolarized electrochemical cell comprising:(a) a cathode, including an air cathode assembly extending along the length of said cell; (b) an anode, including electroactive anode material disposed inwardly in said cell of said cathode assembly; (c) a separator between said anode material and said cathode assembly; (d) electrolyte disposed in said anode, said cathode, and said separator; (e) bottom closure structure closing the bottom of said cell; and (f) top closure structure closing the top of said cell, said top closure structure comprising (i) a top grommet having a top surface, an upwardly extending inner leg extending above said top surface, and a downwardly extending outer leg joined to an upper end of said upwardly extending inner leg, said inner and outer legs defining a downwardly opening slot about an outer perimeter of said top grommet, and (ii) a top closure member extending downwardly over said inner and outer legs of said top grommet and terminating in a top portion of said air depolarized cell, said air cathode assembly extending upwardly into said slot.