Patent ID: 6087041
Filing Date: 2000-07-11
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
An electrochemical cell comprising:a cylindrical can having an open end and a closed end;a first electrode having a generally hollow cylindrical shape defined in part by an outer cylindrical surface, an inner cylindrical surface, and an end portion extending between said inner and outer cylindrical surfaces, said end portion including a flat first surface extending from and perpendicular to said inner cylindrical surface, said outer cylindrical surface having a shorter axial length than said inner cylindrical surface, said first electrode being disposed in said can such that said outer cylindrical surface of said first electrode is in contact with an inner cylindrical surface of said can;a second electrode having a polarity opposite said first electrode disposed within a hollow cavity of said first electrode;a separator lining the hollow cavity within said first electrode so as to physically separate said first and second electrodes; anda collector assembly supported on said flat first surface of said first electrode for sealing said open end of said can.