IJPEM-GT
Nanoscale Surface and Interface Engineering of Solid Oxide Fuel Cells by Atomic Layer Deposition: A Review
Min Hwan Lee/University of California Merced, USA
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KEYWORDS: Atomic layer deposition, Solid oxide fuel cell, Catalyst, Electrode
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Recently, atomic layer deposition (ALD) has drawn much attention as a suitable tool for fabrication and engineering of high performance fuel cell catalysts and electrodes. Intrinsic merits of ALD enable synthesis of conformal and uniform film even at a sub-nm scale with excellent stoichiometry control and reproducibility. Leveraging the unique characteristics, ALD has proven its promising potential as a solution to achieve two major challenges of solid oxide fuel cell research: sluggish kinetics at low operational temperatures and long-term stability. In this review, recent efforts to address the challenges by the use of ALD-based functionalization of surfaces and interfaces of cell components are discussed.
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