The Roles of Alkyl Branches of Ionic Liquid in the Corrosion Resistance of Pb/Sb/Sn Grids Alloy in Lead-Acid Battery

Scheme 1

Molecular structure of (a) hexyl ammonium hydrogen sulphate, (b) tetrahexyl ammonium hydrogen sulphate, (c) cyclohexyl ammonium hydrogen sulphate, (d) bicyclohexyl ammonium hydrogen sulphate.