Journal
NANO-MICRO LETTERS
Volume 12, Issue 1, Pages -Publisher
SHANGHAI JIAO TONG UNIV PRESS
DOI: 10.1007/s40820-020-00518-x
Keywords
Ceria-based heterostructure composite; Ceria-semiconductor; Energy band; Built-in field; Solid oxide fuel cell
Funding
- National Science Foundation of China [51772080]
Ask authors/readers for more resources
Ceria-based heterostructure composite (CHC) has become a new stream to develop advanced low-temperature (300-600 degrees C) solid oxide fuel cells (LTSOFCs) with excellent power outputs at 1000 mW cm(-2)level. The state-of-the-art ceria-carbonate or ceria-semiconductor heterostructure composites have made the CHC systems significantly contribute to both fundamental and applied science researches of LTSOFCs; however, a deep scientific understanding to achieve excellent fuel cell performance and high superionic conduction is still missing, which may hinder its wide application and commercialization. This review aims to establish a new fundamental strategy for superionic conduction of the CHC materials and relevant LTSOFCs. This involves energy band and built-in-field assisting superionic conduction, highlighting coupling effect among the ionic transfer, band structure and alignment impact. Furthermore, theories of ceria-carbonate, e.g., space charge and multi-ion conduction, as well as new scientific understanding are discussed and presented for functional CHC materials.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available