LITHIUM CHEMICAL SOURCE OF ELECTRIC ENERGY Russian patent published in 1998 - IPC

FIELD: re-chargeable chemical sources of electric energy safe in operation. SUBSTANCE: source includes anode made of metal lithium or lithium containing alloy, electrolyte, separator, cathode and membrane produced from nickel foil having thickness 10.0-250.0 μm, porosity 10-60% and pore size 1.0-50.0 μm. At least one side of nickel foil may have ultraporous nickel layer having porosity up 85%, thickness 5.0-50.0 μm and pore size 0.1-10.0 μm. Nickel foil can have electric contact with cathode. EFFECT: prolonged service life of chemical source. 2 cl