Patent ID: 7824790

Claim:
An electrochemical cell, comprising: a cylindrical container having a closed bottom and an open top end that is closed by a collector assembly; an electrode assembly disposed in the container, the electrode assembly comprising a positive electrode, a negative electrode and a separator disposed between the electrodes, and an electrolyte; a gasket positioned between conductive components of the collector assembly and the container; the collector assembly including a retainer, a contact terminal and a contact spring electrically connected with the contact terminal; and the contact spring defining an opening, contact spring further including an axially extending wall exerting radial compression of the collector assembly with a portion of the gasket, the contact spring having a peripheral flange extending radially outward from the axially extending wall and exerting axial compression of the collector assembly with a portion of the gasket, the contact spring having a tab electrically connected to the a current collector in the electrode assembly.