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List of Selected Publications from eCatLab.
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20. Alkali metal cations: no more spectators, but homogeneous catalysts in aqueous electrolytes

S. G. Ji,† M. M. Kim,† M. H. Han,† J. Cho, Y. Son, Y. Y. Kim, Z. H. Kim, K. H. Chae, H.-S. Oh,* H. Kim,* and C. H. Choi*

Submitted (2024) [Research Square]

19. Unraveling the complex causality behind Fe-N-C degradation in fuel cells

G. Bae, M. M. Kim, M. H. Han, J. Cho, D. H. Kim, M. T. Sougrati, J. Kim, K.-S. Lee, S. H. Joo, W. A. Goddard III, H.-S. Oh,* H. Kim,* F. Jaouen,* and C. H. Choi*

Nature Catalysis 6 (2023) 1140 [Link (Research Square)]

Introduced in "YTN" News [Link]

Graphical abstract.tif

18. Electrocatalytic access to azetidines via intramolecular allylic hydroamination: Scrutinizing key oxidation steps through electrochemical kinetic analysis

S. H. Park, G. Bae, A. Choi, S. Shin, K. Shin,* C. H. Choi,* and H. Kim*

Journal of the American Chemical Society 145 (2023) 15360 [Link]


17. Importance of broken geometric symmetry of single-atom Pt sites for efficient electrocatalysis

J. Cho,† T. Lim,† H. Kim,† L. Meng, J. Kim, S. Lee, J. H. Lee, G. Y. Jung, K.-S. Lee, F. Viñes, F. Illas, K. S. Exner,* S. H. Joo,* and C. H. Choi*

Nature Communications 14 (2023) 3233  [Link (Research Square)]


16. Operando stability of single-atom electrocatalysts

G. Bae, S. Han, H.-S. Oh, and C. H. Choi*

Angewandte Chemie International Edition 62 (2023) e202219227 [Link]


15. Transplanting gold active sites into non-precious metal nanoclusters for efficient CO2-to-CO electroreduction

H. Seong, Y. Jo, V. Efremov, Y. Kim, S. Park, S. M. Han, K. Chang, W. Choi, W. Kim,* C. H. Choi,* J. S. Yoo,* and D. Lee*

Journal of the American Chemical Society 145 (2023) 2152 [Link]


14. Elucidation of electrochemically induced but chemically driven Pt dissolution

J. Cho, H. Kim,* H.-S. Oh, and C. H. Choi*

JACS Au 3 (2023) 105 [Link]


13. A unifying mechanism for cation effect modulating C1 and C2 productions from CO2 electroreduction

S.-J. Shin,† H. Choi,† S. Ringe, D. H. Won, H.-S. Oh, D. H. Kim, T. Lee, D.-H. Nam, H. Kim,* and C. H. Choi*

Nature Communications 13 (2022) 5482 [Link (Research Square (Previous version: ChemRxiv))]


12. On the importance of the electric double layer structure in aqueous electrocatalysis

S.-J. Shin,† D. H. Kim,† G. Bae,† S. Ringe, H. Choi, H.-K. Lim, C. H. Choi,* and H. Kim*

Nature Communications 13 (2022) 174 [Link (Research Square)]


11. Quantification of active site density and turnover frequency: from single-atom metal to nanoparticle electrocatalysts

G. Bae,† H. Kim,† H. Choi, P. Jeong, D. H. Kim, H. C. Kwon, K.-S. Lee, M. Choi, H.-S. Oh, F. Jaouen,* and C. H. Choi*

JACS Au 1 (2021) 586 [Link]


10. Selective electrochemical reduction of nitric oxide to hydroxylamine by atomically dispersed iron catalyst

D. H. Kim†, S. Ringe†, H. Kim, S. Kim, B. Kim, G. Bae, H.-S. Oh, F. Jaouen, W. Kim,* H. Kim* and C. H. Choi*

Nature Communications 12 (2021) 1856 [Link]

Introduced in 'KBS' News [Link]


9. Identification of single-atom Ni site active toward electrochemical CO2 conversion to CO

H. Kim†, D. Shin†, W. Yang†, D. H. Won†, H.-S. Oh, M. W. Chung, D. Jeong, S. H. Kim, K. H. Chae, J. Y. Ryu, J. Lee, S. J. Cho, J. Seo,* H, Kim* and C. H. Choi*

Journal of the American Chemical Society 143 (2021) 925 [Link]


8. Underestimation of platinum electrocatalysis induced by carbon monoxide evolved from graphite counter electrode

S. G. Ji, H. Kim, C. Park, W. Kim and C. H. Choi*

ACS Catalysis 10 (2020) 10773 [Link]

Introduced at 'Research Highlights' of Nature Catalysis [Link]



7. Theoretical and experimental understanding of hydrogen evolution reaction kinetics in alkaline electrolytes with Pt-based core-shell nanocrystal

J. Kim†, H. Kim†, W.-J. Lee, B. Ruqia, H. Baik, H.-S. Oh, S.-M. Paek, H.-K. Lim,* C. H. Choi* and S.-I. Choi*

Journal of the American Chemical Society 141 (2019) 18256-18263 [Link]

Selected for the virtual issue of JACS Young Investigators 2020 [Link



6. Carbon monoxide as a promoter of atomically dispersed platinum catalyst in electrochemical hydrogen evolution reaction

H. C. Kwon, M. Kim, J.-P. Grote, S. J. Cho, M. W. Chung, H. Kim, D. H. Won, A. R. Zeradjanin, K. J. J. Mayrhofer, M. Choi, H. Kim* and C. H. Choi*

Journal of the American Chemical Society 140 (2018) 16198-16205 [Link]




5. Achilles' heel of iron-based catalysts during oxygen reduction in acidic medium

C. H. Choi,* H. Lim, M. W. Chung, G. Chon. N. R. Sahraie, A. Altin, M.-T. Sourgrati, L. Stievano, H. S. Oh, E. S. Park, F. Luo, P. Strasser, G. Drazic, K. J. J. Mayrhofer, H. Kim* and F. Jaouen*

Energy & Environmental Science 11 (2018) 3176-3182 [Link (ChemRxiv)]

Introduced at 'Research Highlights' of Nature Catalysis [Link]



4. Unraveling the nature of sites active toward hydrogen peroxide reduction in Fe-N-C catalysts

C. H. Choi,* W. S. Choi, O. Kasian, A. K. Mechler, M. Sougrati, S. Brüller, K. Strickland, Q. Jia, S. Mukerjee, K. J. J. Mayrhofer, and F Jaouen*

Angewandte Chemie International Edition 56 (2017) 8809-8812. [Link]


3. Tuning selectivity of electrochemical reactions by atomically dispersed platinum catalyst

C. H. Choi, M. Kim, H. C. Kwon, S. J. Cho, S. Yun, H. Kim, K. J. J. Mayrhofer, H. Kim*, and M. Choi*

Nature Communications 7 (2016) 10922. [Link]


2. Stability of Fe-N-C catalysts in acidic medium studied by operando spectroscopy

C. H. Choi,* C. Baldizzone, J.-P. Grote, A. K. Schuppert, F. Jaouen*, and K. J. J. Mayrhofer*

Angewandte Chemie International Edition 54 (2015) 12753-12757. [Link]


1. Long-range electron transfer over graphene-based catalyst for high performing oxygen reduction reactions: importance of size, N-doping, and metallic impurities

C. H. Choi†, H. K. Lim†, M. W. Chung, J. C. Park, H. Shin, H. Kim,* and S. I. Woo*

Journal of the American Chemical Society 136 (2014) 9070-9077. [Link]

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