"阳极沉积层" can be translated as "anodic deposit layer" or simply "anodic deposit" depending on the context and level of specificity required.
"Anodic deposit layer" emphasizes the layered structure formed on the anode.
"Anodic deposit" is a more concise term referring to the material deposited at the anode.
Both are correct, but the choice depends on whether you want to highlight the layered nature of the deposit.