High-reliability electrochemical cell and electrode assembly therefor.

摘要

An electrochemical cell and electrode assembly in which an alkali metal anode 1 and a cathode assembly 50 are wound together in a unidirectional winding having substantially straight sides such that the winding will fit into a prismatic cell. The anode 1 and cathode 50 are arranged in the winding to provide for even utilization of reactive material during cell discharge by placing cathode and anode material in close proximity throughout the electrode assembly in the proportions in which they are utilized. The winding also contributes to even utilization of reactive material by employing multiple tabs 70,72 on the cathode assembly 50 to ensure that cathode material is evenly utilized throughout the electrode assembly during cell discharge and also so that connections to the tabs are readily made.