Author

Uk Sim

3 papers indexed here

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Aug 2026

Atomically Dispersed Cu Sites Promote Facile Iodine Conversion for High-Performance Zinc-Iodine Batteries.

Aqueous zinc-iodine (Zn-I2) batteries are attracting attention as next-generation energy storage systems based on their excellent safety and economic feasibility. However, due to the slow reaction rate of the iodine conversion reaction and the polyiodide shuttle effect, there is a limitation in that the electrochemical...

Y. Lim, Jihun Yoo, Dong-kyu Lee et al. · Small · 0 citations

Open access Sep 2026

Composition-Dependent Microcube NiCoO2 Binder-Free Electrode with Enhanced Diffusion for Efficient Electrochemical Nitrate Reduction to Ammonia.

Electrochemical nitrate reduction reaction (NO3RR) has recently emerged as an environmentally benign route for sustainable NH3 synthesis under mild conditions. However, the complex 8-electron transfer pathway and various intermediates often lead to sluggish kinetics and limited selectivity. Therefore, the mass transpor...

Seonghyeon Park, Hyojung Lim, Jinuk Choi et al. · Small · 0 citations

Aug 2026

Heptazine vs Triazine: Phase-Dependent Activity of V-Doped C3N4 Catalysts in Electrochemical N2 Reduction.

Electrochemical nitrogen reduction reaction (ENRR) offers a sustainable pathway for ambient ammonia synthesis, yet its practical implementation is hindered by low efficiency and selectivity. Herein, we report a phase-engineered strategy for tailoring the structure of vanadium-doped graphitic carbon nitride (V@C3N4) cat...

Minseo Yu, Jinuk Choi, S. Youn et al. · ACS Applied Materials and In... · 0 citations