Communication—Fabrication of Li Nanohole Array by Replication Process Using Anodic Porous Alumina Template

Geometrically controlled Li nanohole arrays with high aspect features were fabricated by a two-step replication process using ordered anodic porous alumina as a template. The use of an appropriate electrolyte for Li electrodeposition and organic solvent for the removal of the polymer (PMMA) template allowed the preparation of Li nanohole arrays with precisely replicated nanostructures. The application of a template with the structures for the electrodeposition of Li contributed to the suppression of the formation of Li dendrites, contributing to the precise replication.