Passivation of Aluminum in Lithium-Ion Battery Electrolytes with LiBOB

A combination of cyclic polarization tests, electrochemical impedance spectroscopy, and electrochemical quartz crystal microbalance (EQCM) measurements indicate a film is formed when aluminum is polarized above in with . The quantity of film that is formed increases with increasing applied potential. Results of EQCM tests suggest the film is . The film is very protective against corrosion and inhibits pitting corrosion of aluminum in normally corrosive .