Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
ISSN-L : 1344-3542
Articles
Effects of Anodization and Heat-treatment on Anode Electrodes of Aluminum Electrolytic Capacitors
Chuen-Chang LINBo-Yu LIN
Author information
JOURNAL FREE ACCESS

2012 Volume 80 Issue 8 Pages 552-555

Details
Abstract

Well-ordered and nanoporous anodic aluminum oxide (AAO) templates are fabricated through an anodization process by varying cell potentials. The pores of AAO templates are widened by etching in phosphoric acid for different times. Next, carbon nanotubes (CNTs) are directly grown on nanoporous alumina templates by chemical vapor deposition. Subsequently, aluminum is sputtered onto the nanoporous alumina templates with grown CNTs and then aluminum oxide is formed by anodizing. Finally, alumina is annealed at different temperatures. The longer the widening pore time, the larger the pore diameter and the higher the initial current density of depositing Co. The longer the widening pore time, the higher the capacitance; however, the operation voltage almost remains constant.

Content from these authors
© 2012 The Electrochemical Society of Japan
Previous article Next article
feedback
Top