Selected Publications

1. Exceptional power density and stability at intermediate temperatures in protonic ceramic fuel cells

S. Choi, C. J. Kucharczyk, Y. Liang, X. Zhang, I. Takeuchi, H.-l. Ji and S. M. Haile*

Nature Energy (2018) (IF = 60.858, JCR Rank 2/333)

2. Layered oxygen-deficient double perovskite as efficient and stable anode for direct hydrocarbon solid oxide fuel cells

S. Sengodan^‡, S. Choi^‡, A. Jun, T. H. Shin, Y.-W. Ju, H. Y. Jeong, J. Shin, J. T.S. Irvine* and G. Kim*

Nature Materials (2015) (IF = 43.841, JCR Rank 3/333)

3. Protonic ceramic electrochemical cells for hydrogen production and electricity generation: exceptional reversibility, stability, and demonstrated faradaic efficiency

S. Choi, T. C. Davenport and S. M. Haile*

Energy & Environmental Science (2019) (IF = 38.532, JCR Rank 1/274) "2018 Energy and Environmental Science HOT Article"

4. Unveiling the key factor for the phase reconstruction and exsolved metallic particle distribution in perovskites

H. Kim‡, C. Lim‡, O. Kwon‡, J. Oh, M. T. Curnan, H.Y. Jeong, S. Choi*, J. W. Han* and G. Kim*

Nature Communications (2021) (IF = 14.919, JCR Rank 4/72)

5. Electrokinetic proton transport in triple (H+/O2-/e-) conducting oxides as a key descriptor for highly efficient protonic ceramic fuel cells

A. Seong‡, J. Kim‡, D. Jeong, S. Sengodan, M. Liu, S. Choi*, and G. Kim*

Advanced Science (2021) (IF = 16.806, JCR Rank 18/333) "Inside Back Cover"

6. A robust symmetrical electrode with layered perovskite structure for direct hydrocarbon solid oxide fuel cells: PrBa_0.8Ca_0.2Mn₂O_5+d

S. Choi, S. Sengodan, S. Park, Y.-W. Ju, J. Kim, J. Hyodo, H. Y. Jeong, T. Ishihara, J. Shin* and G. Kim*

Journal of Materials Chemistry A (2016) (IF = 12.732, JCR Rank 8/114)

7. The effect of calcium doping on improvement of performance and durability in a layered perovskite cathode for intermediate-temperature solid oxide fuel cells

S. Choi, S. Park, J. Shin* and G. Kim*

Journal of Materials Chemistry A (2015) (IF = 12.732, JCR Rank 8/114)