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Yosep Hwang
Researcher at Sungkyunkwan University
Publications - 11
Citations - 549
Yosep Hwang is an academic researcher from Sungkyunkwan University. The author has contributed to research in topics: Oxygen evolution & Catalysis. The author has an hindex of 5, co-authored 9 publications receiving 110 citations.
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Journal ArticleDOI
Modulating Interfacial Charge Density of NiP2-FeP2 via Coupling with Metallic Cu for Accelerating Alkaline Hydrogen Evolution
Ashwani Kumar,Viet Q. Bui,Jinsun Lee,Amol R. Jadhav,Yosep Hwang,Min Gyu Kim,Yoshiyuki Kawazoe,Hyoyoung Lee +7 more
TL;DR: Exploring earth-abundant electrocatalysts with Pt-like performance toward alkaline hydrogen evolution reaction (HER) is extremely desirable for the hydrogen economy but remains challenging.
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Identifying the Activity Origin of a Cobalt Single‐Atom Catalyst for Hydrogen Evolution Using Supervised Learning
Xinghui Liu,Lirong Zheng,Chenxu Han,Hongxiang Zong,Guang Yang,Shiru Lin,Ashwani Kumar,Amol R. Jadhav,Ngoc Quang Tran,Yosep Hwang,Jinsun Lee,Suresh Vasimalla,Zhongfang Chen,Seong-Gon Kim,Hyoyoung Lee +14 more
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Stabilizing the OOH* intermediate via pre-adsorbed surface oxygen of a single Ru atom-bimetallic alloy for ultralow overpotential oxygen generation
Jinsun Lee,Ashwani Kumar,Taehun Yang,Xinghui Liu,Amol R. Jadhav,G. Hwan Park,Yosep Hwang,Jianmin Yu,Chau Tk Nguyen,Yang Liu,Sara Ajmal,Min Gyu Kim,Hyoyoung Lee +12 more
TL;DR: In this paper, atomically dispersed Ru single-atoms on a cobalt-iron bimetallic-alloy encapsulated by graphitic carbon (RuSACoFe2/G) were used as an efficient and durable electrocatalyst for the alkaline OER.
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Stable complete seawater electrolysis by using interfacial chloride ion blocking layer on catalyst surface
Amol R. Jadhav,Ashwani Kumar,Jinju Lee,Taehun Yang,Siyoung Na,Jinsun Lee,Yongguang Luo,Xinghui Liu,Yosep Hwang,Yang Liu,Hyoyoung Lee +10 more
TL;DR: In this article, an active material with an outer graphene oxide layer was proposed for seawater splitting, which achieved very low cell voltages of 1.57 and 2.02 V to reach current densities of 20 mA cm−2 and 1000 mAcm−2, respectively.
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Moving beyond bimetallic-alloy to single-atom dimer atomic-interface for all-pH hydrogen evolution.
Ashwani Kumar,Viet Q. Bui,Jinsun Lee,Lingling Wang,Amol R. Jadhav,Xinghui Liu,Xiaodong Shao,Yang Liu,Jianmin Yu,Yosep Hwang,Huong T. Bui,Sara Ajmal,Min Gyu Kim,Seong-Gon Kim,Gyeong-Su Park,Yoshiyuki Kawazoe,Hyoyoung Lee +16 more
TL;DR: In this article, a facile strategy to obtain NiCo-SAD on N-doped carbon was developed via in-situ trapping of metal ions followed by pyrolysis with precisely controlled N-moieties.