Electrochemical cell

Details Electrochemical cell Electrochemical cell

H - Electricity

01

M

319/49

H01M 2/14 (2006.01) H01M 10/24 (2006.01) H01M 10/39 (2006.01)

Patent

CA 1298347

ABSTRACT OF THE DISCLOSURE The invention provides a rechargeable high temperature electrochemical power storage cell having a molten alkali metal anode separated from a cathode by a separator. The separator divides the cell into an anode compartment which contains said alkali metal and a cathode compartment which contains a cathode. The separator permits the anode alkali metal to pass therethrough during discharge of the cell from the anode compartment to the cathode compartment into which it is released in ionic form for reaction with the cathode. The cell has an operative attitude in which it is upright, in which operative attitude the separator extends at an angle to the horizontal so that the level of the surface of anode metal in the anode compartment to which the separator is exposed, drops during discharge of the cell and rises during charging of the cell. The anode compartment has a lower portion and an upper portion which has a greater horizontal cross-section than the horizontal cross-section of the lower portion, and the lower portion is entirely filled with anode metal in the fully discharged state of the cell.

584816

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