Search Results - "Kim, Sang‐Ok"

Ultrafast and Ultrastable Heteroarchitectured Porous Nanocube Anode Composed of CuS/FeS2 Embedded in Nitrogen‐Doped Carbon for Use in Sodium‐Ion Batteries by Je, Junhwan, Lim, Hyojun, Jung, Hyun Wook, Kim, Sang‐Ok

“…The enhancement of the structural stability of conversion‐based metal sulfides at high current densities remains a major challenge in realizing the practical…”
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Phosphorus-Rich CuP2 Embedded in Carbon Matrix as a High-Performance Anode for Lithium-Ion Batteries by Kim, Sang-Ok, Manthiram, Arumugam

“…Phosphorus-rich CuP2 and its carbon composites have been investigated as an anode material for lithium-ion batteries. Through a facile, low-cost…”
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Polydopamine‐induced nano‐coating layer for high stability of nickel‐rich cathode in secondary batteries by Lee, Seunghak, Park, Jeongeun, Seok, Eunjeong, Kim, Minjun, Ku, Minkyeong, Lim, Hyojun, Kim, Sang‐Ok, Jung, Heechul, Choi, Wonchang

“…Summary High‐Ni layered‐oxide cathodes are the most prospective cathode materials for next‐generation Li‐ion batteries (LIBs) in electric vehicles (EVs) owing…”
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Theoretical Design of Lithium Chloride Superionic Conductors for All-Solid-State High-Voltage Lithium-Ion Batteries by Park, Dongsu, Park, Haesun, Lee, Yongheum, Kim, Sang-Ok, Jung, Hun-Gi, Chung, Kyung Yoon, Shim, Joon Hyung, Yu, Seungho

“…The development of solid electrolytes (SEs) is a promising pathway to improve the energy density and safety of conventional Li-ion batteries. Several lithium…”
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Scalable, colloidal synthesis of SnSb nanoalloy‐decorated mesoporous 3D NiO microspheres as a sodium‐ion battery anode by Verdianto, Ariono, Lim, Hyojun, Kang, Jin Gu, Kim, Sang‐Ok

“…Summary Sodium‐ion batteries (SIBs) have attracted significant attention for their potential to replace lithium‐ion batteries, owing to the low cost and…”
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Computational screening of anode materials for potassium‐ion batteries by Yu, Seungho, Kim, Sang‐Ok, Kim, Hyung‐Seok, Choi, Wonchang

“…Summary Potassium ion batteries (PIBs) are promising alternatives to Li‐ion batteries due to the abundance of potassium. However, the development of PIBs is in…”
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Mechanism of Degradation of Capacity and Charge/Discharge Voltages of High‐Ni Cathode During Fast Long‐Term Cycling Without Voltage Margin by Park, Jae Yeol, Jo, Minji, Hong, Seungki, Park, Seunggyu, Park, Jae‐Ho, Kim, Yong‐Il, Kim, Sang‐Ok, Chung, Kyung Yoon, Byun, Dongjin, Kim, Seung Min, Chang, Wonyoung

“…The authors reveal the mechanisms of degradation of capacity, charge voltage, and discharge voltage of commercially‐available high‐nickel cathode material when…”
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A Study on the Psychological Well-Being of North Korean Defectors by Sang Ok, Kim

“…The purpose of this study is to examine whether post-traumatic stress disorder mediates the relationship between traumatic experience and psychological…”
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Thermodynamic analysis of high energy density conversion type cathode materials for Na‐ and K‐ion batteries by Lee, Yongheum, Kim, Sang‐Ok, Kim, Hyung‐Seok, Yu, Seungho

“…Summary Conversion‐type materials attract increasing attention for rechargeable batteries because of their high energy density compared with intercalation‐type…”
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Sustainable Encapsulation Strategy of Silicon Nanoparticles in Microcarbon Sphere for High-Performance Lithium-Ion Battery Anode by Shin, Hyeon-Ji, Hwang, Jang-Yeon, Kwon, Hyun Jung, Kwak, Won-Jin, Kim, Sang-Ok, Kim, Hyung-Seok, Jung, Hun-Gi

“…Owing to the high theoretical capacity, low operating potentials, and natural abundance, silicon (Si) is considered as one of the most promising anode…”
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Surface modification of electrospun nitrogen-doped Ge@C fiber with highly porous NiCo2O4 layer as high-performance lithium-ion battery anode by Verdianto, Ariono, Jung, Heechul, Kim, Sang-Ok

“…Elemental germanium (Ge) is considered a high-capacity anode material for lithium-ion batteries (LIBs). However, it suffers from severe capacity degradation…”
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Enhanced pseudocapacitive energy storage properties of Nb2O5/C core‐shell structures with the surface modification by Kim, Jong Woung, Kim, Sang‐Ok, Kim, Hyung‐Seok

“…Summary Pseudocapacitive energy storage is an attractive technology as it can achieve high energy density at high rate conditions. However, its practical…”
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Effect of optimum current‐collector design on electrochemical performance of Mg‐air primary batteries for large‐scale energy storage by Kim, Dong Hyun, Jang, Kyung‐Hoon, Jang, Kwangyup, Shin, Kyung‐Seop, Kim, Hyung‐Seok, Kim, Sang‐Ok, Kim, Kwang‐Bum, Chung, Kyung Yoon

“…Summary Recent research has focused on the optimal current‐collector design of a large Mg anode for large‐scale Mg‐air primary batteries. The study…”
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Controlling the defects and transition layer in SiO2 films grown on 4H-SiC via direct plasma-assisted oxidation by Kim, Dae-Kyoung, Jeong, Kwang-Sik, Kang, Yu-Seon, Kang, Hang-Kyu, Cho, Sang W., Kim, Sang-Ok, Suh, Dongchan, Kim, Sunjung, Cho, Mann-Ho

“…The structural stability and electrical performance of SiO 2 grown on SiC via direct plasma-assisted oxidation were investigated. To investigate the changes in…”
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A Honeycomb‐Layered Oxide Cathode for Sodium‐Ion Batteries with Suppressed P3–O1 Phase Transition by You, Ya, Kim, Sang Ok, Manthiram, Arumugam

“…Mg‐substituted Na3Ni2−xMgxSbO6 cathode materials are synthesized via a scalable high‐temperature solid‐state method to improve the cyclability of the…”
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Hierarchically Designed Nitrogen-Doped MoS2/Silicon Oxycarbide Nanoscale Heterostructure as High-Performance Sodium-Ion Battery Anode by Lim, Hyojun, Yu, Seungho, Choi, Wonchang, Kim, Sang-Ok

“…Molybedenum disulfide (MoS2) is regarded as a promising anode material for next-generation sodium-ion batteries (SIBs) owing to its high theoretical capacity…”
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High-Performance Red P‑Based P–TiP2–C Nanocomposite Anode for Lithium-Ion and Sodium-Ion Storage by Kim, Sang-Ok, Manthiram, Arumugam

“…An amorphous red phosphorus-based composite has been synthesized via a facile and simple one-step high-energy mechanical milling process and investigated as an…”
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Self-assembled N-doped MoS2/carbon spheres by naturally occurring acid-catalyzed reaction for improved sodium-ion batteries by Lim, Hyojun, Kim, Hyeongwoo, Kim, Sang-Ok, Choi, Wonchang

“…[Display omitted] •The N-MoS2/C was easily synthesized through a facile naturally occurring acid-catalyzed method.•The N-MoS2/C provides sufficient active…”
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Novel approach for controlling free-carbon domain in silicone oil-derived silicon oxycarbide (SiOC) as an anode material in secondary batteries by Lim, Hyojun, Kim, Hyeongwoo, Kim, Sang-Ok, Kim, Ki Jae, Choi, Wonchang

“…[Display omitted] •The Free-carbon domain (FCD) controlled SiOC was prepared by a pyrolysis of silicone oil and DVB.•The DVB is essential to facilitate the…”
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Highly reversible ZnO@ZIF–8-derived nitrogen-doped carbon in the presence of fluoroethylene carbonate for high-performance lithium-ion battery anode by Park, Junghoon, Ju, Je-Beck, Choi, Wonchang, Kim, Sang-Ok

“…Rational design and synthesis of advanced electrode materials are considered essential for realizing high-performance lithium-ion batteries for the…”
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