Three-dimensional hexagonal \GDC\ interlayer for area enhancement of low-temperature solid oxide fuel cells
By Jiwoong Bae and Dohaeng Lee and Soonwook Hong and Hwichul Yang and Young-Beom Kim
Published in Surface and Coatings Technology
NULL
2015
Abstract
A three-dimensional hexagonal gadolinium-doped ceria (GDC) interlayer is fabricated to enhance the cathodic surface area of low-temperature solid oxide fuel cells (LT-SOFCs). By using modified nanosphere lithography method, 3-D nanostructure is successfully fabricated. As a result of the nanostructuring, the 3-D hexagonal \GDC\ interlayer has a 70% increase in cathodic surface area. Electrochemical impedance spectroscopy reveals a 2-fold decrease in the electrode resistance compared with a plane cell, resulting in a current
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