Patent ID: 6399237
Filing Date: 2002-06-04
Classification: H01M,Y02E,Y02P

Abstract:
A sealed storage cell, of capacity greater than 10 Ah, including a substantially cylindrical container, an electrochemical stack, and two opposite ends providing terminals of opposite polarities, one of the ends comprising aluminum, wherein:said one end comprises an aluminum cover, said aluminum cover is adapted to be brought into electrical contact with an electrical connecting part external to the cell by a clamping structure which is at least in part on the side of said cover inside the cell and which co-operates with an assembly mechanism external to the cell, and said clamping structure is made from a material selected from the group consisting of stainless steel, nickel-plated steel, copper, and brass; and said cover of said cell is sealed by a metal sealing cap on the side of the cover inside the cell.