Patent ID: 6300006
Filing Date: 2001-10-09
Classification: H01M,Y02E,Y02P

Abstract:
An electrochemical cell comprising:a container having a bottom end, and an open top end, and side walls extending between the top and bottom ends;a positive electrode disposed in said container;a negative electrode disposed in said container;an inner cover disposed in the open end of said container and having a first peripheral flange;an outer cover disposed over said inner cover in the open end of said container and having a second peripheral flange juxtaposed to said first peripheral flange, wherein said first and second flanges extend substantially parallel to the side walls of the container and each flange has an outer edge, the outer edge of the first flange is oriented towards one of the top and bottom ends of the container while the outer edge of the second flange is oriented towards the other of the top and bottom ends of the container; anda seal disposed between said container and at least one of said first and second peripheral flanges.