H - Electricity – 01 – M
Patent
H - Electricity
01
M
319/113
H01M 4/78 (2006.01) H01M 2/26 (2006.01) H01M 4/02 (2006.01) H01M 6/14 (2006.01) H01M 6/46 (2006.01) H01M 4/38 (2006.01)
Patent
CA 1157087
D-23043 ANODE STRUCTURE FOR AN ELECTROCHEMICAL CELL ABSTRACT OF THE DISCLOSURE An anode structure for a cylindrical primary electrochemical cell. The anode structure in accor- dance with the invention includes a thin, circular, lithium metal disc having a central opening therein, and a small, thin, resilient, metal (e.g., nickel) contact member secured to the lithium disc. The metal contact member is of a generally circular configuration and has a flat central portion with a circular opening therein aligned with the opening in the lithium disc. The contact member has a plurality of tab portions extending outwardly from, and spaced at regular inte- vals about, its outer periphery, and a pair of spikes or barbs depending from opposed ends of each tab por- tion. The spikes are pressed into the soft lithium disc at points spaced from the opening therein for permanently securing the contact member to the disc. The contact member further has a plurality of notches spaced at regular intervals about the perimeter of the central opening thereby to define a plurality of resilient, deflective portions intermediate to the notches. The deflective portions lie in a flat, common plane with each of the deflective portions having an exposed edge facing a central axis of the contact member.
379170
Freeman Roger K.
Goebel Franz
Gte Products Corporation
R. William Wray & Associates
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