Electrospun yttria-stabilized zirconia nanofibers for low-temperature solid oxide fuel cells
- Authors
- Koo, Ja Yang; Lim, Yonghyun; Kim, Young Beom; Byun, Doyoung; Lee, Wonyoung
- Issue Date
- Jun-2017
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Solid oxide fuel cells; Yttria-stabilized zirconia; Electrospinning; Nanofibers
- Citation
- INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.42, no.24, pp.15903 - 15907
- Indexed
- SCIE
SCOPUS
- Journal Title
- INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
- Volume
- 42
- Number
- 24
- Start Page
- 15903
- End Page
- 15907
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/19680
- DOI
- 10.1016/j.ijhydene.2017.04.099
- ISSN
- 0360-3199
- Abstract
- We report a 3.5-fold improvement in the performance of solid oxide fuel cells (SOFCs) operating at 450 degrees C with the introduction of electrospun yttria-stabilized zirconia (YSZ) nanofiber interlayers between the electrolyte and cathode. YSZ nanofibers with diameters of 150-200 nm were uniformly deposited with various thicknesses on a single-crystal YSZ substrate. Electrochemical impedance spectroscopy analyses revealed a drastically reduced polarization resistance, which was mainly attributed to the high specific surface area and high porosity of the YSZ nanofiber interlayers. Our results demonstrate the possibility of using YSZ nanofibers for the development of high-performance SOFCs at low temperature.
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