Three dimensional positive electrode for LiCFx technology primary electrochemical generator

An electrode comprising a current collector containing aluminum, having a three dimensional porous structure in which: - certain pores are open; the average diameter of the open pores being greater than or equal to 50 µm and less than or equal to 250 µm; - two contiguous open pores communicate by at least one opening the diameter of which being greater than or equal to 20 µm and less than or equal to 80 µm ; said structure containing a mixture comprising: a) at least one active material of the fluorinated carbon CFx type with x ranging between 0.5 and 1.2; b) at least one electron conducting additive; c) at least one binder.