S
Sang Hyun Ahn
Researcher at Chung-Ang University
Publications - 252
Citations - 3653
Sang Hyun Ahn is an academic researcher from Chung-Ang University. The author has contributed to research in topics: Catalysis & Chemistry. The author has an hindex of 28, co-authored 199 publications receiving 2364 citations. Previous affiliations of Sang Hyun Ahn include Korea Institute of Science and Technology & National Institute of Standards and Technology.
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Electrodeposited Ni dendrites with high activity and durability for hydrogen evolution reaction in alkaline water electrolysis
Sang Hyun Ahn,Sang Hyun Ahn,Seung Jun Hwang,Sung Jong Yoo,Insoo Choi,Hyoung-Juhn Kim,Jong Hyun Jang,Suk Woo Nam,Tae-Hoon Lim,Taeho Lim,Soo-Kil Kim,Soo-Kil Kim,Jae Jeong Kim +12 more
TL;DR: In this article, the shape of various nickel structures, including dendrite, particle and film are fabricated by electrodeposition under various conditions, leading to different electrochemical surface area and edge facets.
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Effect of morphology of electrodeposited Ni catalysts on the behavior of bubbles generated during the oxygen evolution reaction in alkaline water electrolysis
Sang Hyun Ahn,Insoo Choi,Hee-Young Park,Seung Jun Hwang,Sung Jong Yoo,EunAe Cho,Hyoung-Juhn Kim,Dirk Henkensmeier,Suk Woo Nam,Soo-Kil Kim,Jong Hyun Jang +10 more
TL;DR: This work has investigated the release of active sites blocked by bubbles attached on the surface of catalysts during the oxygen evolution reaction (OER) in alkaline water electrolysis via the modulation of the wetting properties of the four different morphologies of a nickel catalyst.
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Electrochemical CO2 reduction to CO on dendritic Ag–Cu electrocatalysts prepared by electrodeposition
Jihui Choi,Myung Jun Kim,Sang Hyun Ahn,Insoo Choi,Jong Hyun Jang,Yu Seok Ham,Jae Jeong Kim,Soo-Kil Kim +7 more
TL;DR: In this paper, an Ag, Ag-Cu and Cu dendrite catalysts were electrochemically prepared on a Cu foil substrate to investigate their catalytic activity and selectivity for electrochemical CO 2 reduction to CO.
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Development of electrodeposited IrO2 electrodes as anodes in polymer electrolyte membrane water electrolysis
Byung Seok Lee,Byung Seok Lee,Sang Hyun Ahn,Hee-Young Park,Insoo Choi,Sung Jong Yoo,Hyoung-Juhn Kim,Dirk Henkensmeier,Jin Young Kim,Sehkyu Park,Suk Woo Nam,Kwan Young Lee,Jong Hyun Jang,Jong Hyun Jang +13 more
TL;DR: In this article, the IrO2/CP catalysts are prepared on carbon paper by electrodeposition for use as the anodes in polymer electrolyte membrane water electrolysis (PEMWE).
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Recent Progress in TiO2-based Photocatalysts for Hydrogen Evolution Reaction: A Review
Ha Huu Do,Dang Le Tri Nguyen,Xuan Cuong Nguyen,Thu-Ha Le,Thang Phan Nguyen,Quang Thang Trinh,Sang Hyun Ahn,Dai-Viet N. Vo,Soo Young Kim,Quyet Van Le +9 more
TL;DR: In this paper, the authors summarized the recent progress in the utilization of TiO2 for the photocatalytic hydrogen evolution reaction (HER) and highlighted the strategies for modulating the properties toward the high photocatalysis activity of the material, including structural engineering, compositional engineering, and doping.