Honeywell G.m.b.h.

Louis L Levy

David L Chua

Kurt F Garoutte

An electrochemical cell having a lithium anode, a thionyl chloride depolarizer and a sulphur dioxide passivation control agent which further includes having the pressure relieved to substantially reduce the internal pressure of the cell. The internal cell pressure is relieved by venting for sufficient time at an elevated temperature to reduce the internal cell pressure to less than five psi at room temperature, preferably by a plurality of venting cycles and a temperature ranging from room temperature to the elevated temperature. Normally, the elevated temperature ranges from at least 100.degree. F. to greater than 150.degree. F.

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Plymouth Meeting, PA, United States of America

Louis L Levy