ELECTROCHEMICAL CELL FOR LITHIUM ION BATTERY COMPRISING A SPECIFIC POSITIVE ELECTRODE ON ALUMINUM COLLECTOR AND A SPECIFIC ELECTROLYTE

摘要

The invention relates to an electrochemical cell for a lithium-ion battery comprising: a negative electrode; a positive electrode comprising, as active material, an oxide compound having the general formula LIMO 2, in which M is a member selected from Ni, Co, Mn, Al, Mg and mixtures thereof, said positive electrode being associated an aluminum current collector; and an electrolyte disposed between said negative electrode and said positive electrode, said electrolyte comprising, as lithium salt, lithium bis (trifluoromethylsulfonyl) imide, and comprising, as organic solvent, trifluoropropylene carbonate.