Patent ID: 6586134
Filing Date: 2003-07-01
Classification: A61N,H01M

Abstract:
An electrochemical cell comprisinga) a casing of an electrically conductive material and having an open end; b) a first electrode comprising a first electrode active material contacted to a first current collector; c) a second electrode comprising a second electrode active material contacted to a second current collector; d) a terminal lead insulated from the casing and connected to one of the first and second current collectors; e) a conductive extension connected to the other of the first and second current collectors; f) an electrolyte activating the first and second electrodes; and g) a lid of an electrically conductive material closing the open end of the casing, wherein the conductive extension is trapped between the lid and the casing, and the lid is sealed to the casing to close the open end thereof.