Patent ID: 6071638
Filing Date: 2000-06-06
Classification: H01M,Y02E,Y02P

Abstract:
A rechargeable cell with spiral-wound electrodes comprising a container, two current output terminals of opposite polarity carried by said container, each current output comprising a part exterior to said container and an internal part, and two electrodes spiral-wound about a longitudinal axis, one of positive polarity and the other of negative polarity, and electrically connected to a corresponding current output, wherein at least one current output terminal comprises an internal part provided with a cylindrical shoulder having a diameter greater than the transverse dimension of said exterior part and the corresponding electrode is provided with a plurality of conductive blade members in part substantially parallel to said longitudinal axis, mechanically and electrically connected to one edge of said electrode and projecting from said edge, said blade members being grouped together on and fixed to at least part of an outer radially facing surface of said shoulder in order to establish electrical contact between said electrode and said current output terminal.