has an electrical terminal extending therefrom an anode structure in accordance with a second embodiment of the invention is similar to that of the first embodiment with the exception that the spaces between the lithium anode elements of the anode structure of the second embodiment are filled with a heat absorbing porous insulative separator material application_number US 31981281 A description referring now to fig1 there is shown a primary electrochemical cell 1 employing a plurality of anode structures 2 in accordance with the present invention the electrochemical cell 1 and the electrochemical system therefor may be constructed in accordance with the teachings of the aforementioned u s pat no 4 086 397 and generally includes a rectangular metal housing 3 a battery stack 4 disposed within the housing 3 an electrolytic solution 5 in contact with the battery stack 4 and a top cover assembly 6 the housing 3 may be of stainless steel and have typical outer dimensions of approximately 18 inches height u00d7 13 inches width u00d7 10 inches depth the battery stack 4 as employed within the housing 3 comprises a plurality of generally rectangular cell components these components include in addition to the aforementioned plurality of anode structures 2 a plurality of carbon cathode current collector electrodes 8 and a plurality of insulative separators 10 between the anode structures 2 and the carbon cathode current collector electrodes 8 although not specifically shown in the drawing each of the carbon cathode current collector electrodes 8 comprises an aggregation of porous semi rigid carbon globules or conglomerates pressed into a flat expanded metal e g nickel grid or screen to be supported thereby the grids of the electrodes 8 also serve as current collector members for the cell 1 during.