CHEMICAL POWER SUPPLY Russian patent published in 1998 - IPC

FIELD: chemical power supplies. SUBSTANCE: device has lithium anode, separator, cathode and non-water electrolyte. Current collectors of electrodes are made from porous metal foil, for example from nickel foil. Foil thickness is in range of is in range of 20-250 mcm, porosity 30-60 % and pore size 1-40 mcm. Active medium of electrodes is located in pores an/or on surface of corresponding current collectors. Cathode active medium may be located also in electrolyte. EFFECT: increased service life and safety. 8 cl