87.12 Basic principal and application of electrolysis 2. Anode reaction Anodic oxidation of aluminum at (3)Anodic oxidation constant current density Initiation of pore lIWUIILU Porous aver aver top surface t/h Cross-sectionAnodic oxidation of aluminum at constant current density (3) Anodic oxidation t / h E / V Barrier layer Porous layer Initiation of pores 2. Anode reaction top surface Cross-section §7.12 Basic principal and application of electrolysis