Fig. 1: How TFSI- corrodes Al and HTA passivates Al.
From: Aluminum corrosion–passivation regulation prolongs aqueous batteries life

Schematic of HTA-passivating Al mechanism in an aqueous LiTFSI electrolyte.
From: Aluminum corrosion–passivation regulation prolongs aqueous batteries life
Schematic of HTA-passivating Al mechanism in an aqueous LiTFSI electrolyte.