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Hyung-Suk Oh on Muck Rack

Hyung-Suk Oh

As seen in: Color Research & Application, Nature, ACS Publications, Analytical Chemistry, Royal Society of Chemistry, Cell Press
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Articles

Exploring the influence of cell configurations on Cu catalyst reconstruction during CO2 electroreduction - Nature Communications

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By Walter Drisdell, Hyung-Suk Oh, Jai Hyun Koh, Dong Ki Lee, Ung Lee
| Nature Verified
Abstract Membrane electrode assembly (MEA) cells incorporating Cu catalysts are effective for generating C2+ chemicals via the CO2 reduction reaction (CO2RR). However, the impact of MEA configuration on the inevitable reconstruction of Cu catalysts during CO2RR remains underexplored, despite its considerable potential to affect CO2RR efficacy. Herein, we demonstrate that MEA cells prompt a unique reconstruction of Cu, in contrast to H-type cells, which subsequently influences CO2RR outcomes.
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Unravelling the complex causality behind Fe–N–C degradation in fuel cells - Nature Catalysis

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By Geunsu Bae, Minho Kim, Junsic Cho, Dong Hyun Kim, Moulay-Tahar Sougrati, Jinjong Kim, Kug-Seung Lee, Hyung-Suk Oh, Hyungjun Kim, Frédéric Jaouen
| Nature Verified
Abstract Beyond great advances in initial activity, Fe–N–C catalysts face the next challenge of stability issue in acidic medium that must be overcome to replace Pt in fuel cell cathode. However, the complex phenomena in fuel cells and consequential difficulty in understanding deactivation mechanisms of Fe–N–C cathodes impede solutions for prolonged stability.
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Unveiling the Anode Reaction Environment in a CO2 Electrolyzer to Provide a Guideline for Anode Development

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By Dong Ki Lee, Hyung-Suk Oh, Woong Hee Lee, Chulwan Lim
| Royal Society of Chemistry Verified
Unveiling the Anode Reaction Environment in a CO2 Electrolyzer to Provide a Guideline for Anode Development The use of 3d transition metals, such as Ni-based electrodes for the oxygen evolution reaction (OER) is inhibited in membrane electrode assembly (MEA) CO2 electrolyzers owing to the local acidic media.
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