Alkaline cell container having interior conductive coating

Details Alkaline cell container having interior conductive coating Alkaline cell container having interior conductive coating

H - Electricity

01

M

319/90

H01M 2/32 (2006.01) H01M 2/02 (2006.01) H01M 2/08 (2006.01) H01M 4/66 (2006.01)

Patent

CA 1263697

ALKALINE CELL CONTAINER HAVING INTERIOR CONDUCTIVE COATING ABSTRACT OF THE INVENTION A coating for the interior of alkaline cells is provided, so that a coated cell container or can may have a cell depolarizer inserted into the can without scraping the coating off the interior surface in any substantial amounts. The coating includes carbon particles (and may include other conductive particles such as nickel, silver or graphite particles, carbon black or acetylene black) carried in a binder with a volatile carrier which will evaporate at room temperature. A hard conductive coating is formed after the volatile carrier has evaporated, which reduces the initial interior cell depolarizer/can interfacial resistance, and maintains it after storage at a lower level than that of uncoated cans. The coating composition is applied to the interior of the cans after they have been formed, by such steps as dipping, filling or spraying. SPE2054

489598

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