Abstract
Abstract
Solid oxide fuel cells (SOFCs) are promising candidates for next-generation energy conversion devices, and much effort has been made to lower their operating temperature for wider applicability. Recently, atomic layer deposition (ALD), a novel variant of chemical vapor deposition, has demonstrated interesting research opportunities for SOFCs due to its unique features such as conformality and precise thickness/doping controllability. Individual components of SOFCs, namely the electrolyte, electrolyte–electrode interface, and electrode, can be effectively engineered by ALD nanostructures to yield higher performance and better stability. While the particulate or porous structures may benefit the electrode performance by maximizing the surface area, the dense film effectively blocks the chemical or physical shorting even at nanoscale thickness when applied to the electrolyte, which helps to increase the performance at low operating temperature. In this article, recent examples of the application of ALD-processed nanostructures to SOFCs are reviewed, and the quantitative relationship between ALD process, ALD nanostructure and the performance and stability of SOFCs is elucidated.
Funder
Ministry of Trade, Industry and Energy (MOTIE) of Korea
National Research Foundation of Korea (NRF) grants funded by the Korea government
Korean Ministry of Trade, Industry and Energy (MOTIE), operated by Korea Institute for Advancement of Technology
Subject
Materials Chemistry,General Energy,Materials Science (miscellaneous)
Cited by
29 articles.
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