Zobrazeno 1 - 10 of 31 pro vyhledávání: '"Jiyong Soon"'
1
A Bifunctional Electrolyte Additive for High-Voltage LiNi0.5Mn1.5O4 Positive Electrodes
Autor: Seulki Chae, Ji Heon Ryu, Seung M. Oh, Tae Jin Lee, Jiyong Soon
Publikováno v: ACS Applied Materials & Interfaces. 11:11306-11316
4-(Trimethylsiloxy)-3-pentene-2-one (TMSPO) is tested as an electrolyte additive to enhance Coulombic efficiency and cycle retention for the Li/LiNi0.5Mn1.5O4 (LNMO) half-cell and graphite/LNMO full-cell. TMSPO carries two functional groups, siloxane
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::29b68619f7283c8a6b3a0266174deccb
https://doi.org/10.1021/acsami.8b19009
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3
Degradation of surface film on LiCoO2 electrode by hydrogen fluoride attack at moderately elevated temperature
Autor: Hyejeong Jeong, Ji Heon Ryu, Seulki Chae, Jiyong Soon, Jongjung Kim, Seung M. Oh, Seunghae Hwang
Publikováno v: Electrochimica Acta. 277:59-66
The failure mechanism of LiCoO 2 electrode at moderately elevated temperature (70 °C) is examined. To this end, a Li/LiCoO 2 cell is cycled 10 times within 3.0–4.3 V ( vs . Li/Li + ) to deposit a surface film on the LiCoO 2 electrode, followed by
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::feb297a77a372c3b6c1146a1664e3112
https://doi.org/10.1016/j.electacta.2018.04.151
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4
Passivating film artificially built on LiNi0.5Mn1.5O4 by molecular layer deposition of (pentafluorophenylpropyl)trimethoxysilane
Autor: Ji Heon Ryu, Seung M. Oh, Hyejeong Jeong, Seulki Chae, Jiyong Soon, Tae Jin Lee
Publikováno v: Journal of Power Sources. 392:159-167
In this study, (pentafluorophenylpropyl)trimethoxysilane (PFPPS) is grafted on a nickel-doped manganese spinel (LiNi0.5Mn1.5O4, LNMO) surface to suppress the failure modes in the 5-V positive electrode; electrolyte oxidation/film deposition, acid gen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f65ad2f026a6e92e6fac39e266b58b37
https://doi.org/10.1016/j.jpowsour.2018.04.091
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8
Dissolution of cathode–electrolyte interphase deposited on LiNi0.5Mn1.5O4 for lithium-ion batteries
Autor: Jiyong Soon, Taeho Yoon, Seung M. Oh, Ji Heon Ryu, Tae Jin Lee
Publikováno v: Journal of Power Sources. 503:230051
Adopting high-voltage positive electrodes is essential for realizing advanced lithium-ion batteries with high energy and power density. However, the operating potentials of electrodes are beyond the electrochemical stability window of commercial elec
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::55d2178a791a82914a67d9252fb2fdf0
https://doi.org/10.1016/j.jpowsour.2021.230051
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9
Artificially-built solid electrolyte interphase via surface-bonded vinylene carbonate derivative on graphite by molecular layer deposition
Autor: Jeong Beom Lee, Seung M. Oh, Ji Heon Ryu, Jiyong Soon, Jin Seok Lee, Seulki Chae, Jae Gil Lee, Tae Jin Lee
Publikováno v: Journal of Power Sources. 370:131-137
Vinylene carbonate (VC) is attached in a ring-opened form on a graphite surface by molecular layer deposition (MLD) method, and its role as a solid electrolyte interphase (SEI) former is studied. When VC is added into the electrolyte solution of a gr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4e1b7bcc8668f38a1a1afd43daabff3b
https://doi.org/10.1016/j.jpowsour.2017.10.006
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