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Chihyun Hwang
Researcher at Ulsan National Institute of Science and Technology
Publications - 37
Citations - 1114
Chihyun Hwang is an academic researcher from Ulsan National Institute of Science and Technology. The author has contributed to research in topics: Lithium & Anode. The author has an hindex of 16, co-authored 35 publications receiving 694 citations. Previous affiliations of Chihyun Hwang include Georgia Institute of Technology.
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Journal ArticleDOI
Gel/Solid Polymer Electrolytes Characterized by In Situ Gelation or Polymerization for Electrochemical Energy Systems.
TL;DR: Functional G PEs are introduced as a more advanced form of GPEs, improving lithium-ion transference number or capturing transition metals released from electrode materials, and have no electrode/electrolyte contact problems.
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Folding Graphene Film Yields High Areal Energy Storage in Lithium-Ion Batteries
Bin Wang,Jaegeon Ryu,Sungho Choi,Gyujin Song,Dongki Hong,Chihyun Hwang,Xiong Chen,Bo Wang,Wei Li,Hyun-Kon Song,Soojin Park,Rodney S. Ruoff +11 more
TL;DR: It is shown that a high energy density can be achieved in a practical manner with freestanding electrodes without using conductive carbon, binders, and current collectors using a folded graphene composite electrode designed for a high areal capacity anode.
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Self-Assembling Films of Covalent Organic Frameworks Enable Long-Term, Efficient Cycling of Zinc-Ion Batteries
Jun Heuk Park,Myung-Jun Kwak,Chihyun Hwang,Chihyun Hwang,Kyeong-Nam Kang,Nian Liu,Ji-Hyun Jang,Bartosz A. Grzybowski +7 more
TL;DR: The zinc aqueous batteries demonstrated have excellent capacity retention and stable polarization voltage for over 420 h of cycling at 1 mA cm-2 and can be readily deposited over large areas and curvilinear supports, enabling, for example, foldable wire-type batteries.
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Mechanical mismatch-driven rippling in carbon-coated silicon sheets for stress-resilient battery anodes
Jaegeon Ryu,Tianwu Chen,Taesoo Bok,Gyujin Song,Jiyoung Ma,Chihyun Hwang,Langli Luo,Hyun-Kon Song,Jaephil Cho,Chongmin Wang,Sulin Zhang,Soojin Park +11 more
TL;DR: An unprecedented design is introduced, which takes advantage of large deformation and ensures the structural stability of the material by developing a two-dimensional silicon nanosheet coated with a thin carbon layer, which shows a unique mechanism in releasing internal stress by forming ripple structures.
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Significance of ferroelectric polarization in poly (vinylidene difluoride) binder for high-rate Li-ion diffusion
Woo-Jin Song,Se Hun Joo,Do Hyeong Kim,Chihyun Hwang,Gwan Yeong Jung,Sohyeon Bae,Yeonguk Son,Jaephil Cho,Hyun-Kon Song,Sang Kyu Kwak,Soojin Park,Seok Ju Kang +11 more
TL;DR: In this article, a ferroelectric poly(vinylidene difluoride) (PVDF) polymer was used as a binder material for Li-ion batteries.