LITHIUM ELECTROCHEMICAL GENERATOR OF THE LITHIUM-OXYGEN OR LITHIUM-AIR TYPE COMPRISING A SPECIFIC NEGATIVE ELECTRODE MATERIAL

A lithium-air or lithium-oxygen electrochemical generator comprising at least one electrochemical cell comprising a positive electrode, a negative electrode and an electrolyte conducting lithium ions disposed between the negative electrode and the positive electrod wherein the negative electrode comprises, as active material, a lithium and calcium alloy.