연구성과 1 페이지 | 포항공과대학교 친환경소재대학원

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연구성과

Total 33건 1 페이지

33

NEDL [NEDL] Prof.Changshin Jo: Dry-processed thick electrodes for high-energy-density lithium-sulfur batteries Abstract Lithium-sulfur batteries (LSBs) have attracted significant attention as next-generation high-energy-density storage systems owing to the high theoretical capacity of sulfur, its natural abundance, and low cost. However, the p..

작성자 최고관리자 작성일 2026-08-14
32

NEDL [NEDL] Prof.Changshin Jo: Particle-wide cation anchoring enables strain-suppressed high-voltage stability in Co-free Ni-rich cathodes Abstract Co-free Ni-rich layered oxides are promising cathodes for next-generation Li-ion batteries but suffer from structural degradation driven by anisotropic c-lattice collapse. Recent studies suggest that cation anchoring, defined ..

작성자 최고관리자 작성일 2026-08-14
31

NEDL [NEDL] Prof.Changshin Jo: Suppressing Surface Degradation in Na-Rich Prussian Blue Cathodes via Liquid-Phase Dehydration Abstract Na-rich Prussian Blue (PB) is an attractive sodium-ion battery cathode owing to its high capacity and low cost, yet approximately 10 wt.% of crystal water in its framework induces electrolyte side reactions and Fe disso..

작성자 최고관리자 작성일 2026-08-14
30

NEDL [NEDL] Prof.Changshin Jo: NaCl assisted non-aqueous synthesis of highly crystalline Prussian blue for stable sodium-ion batteries AbstractPrussian blue (PB) has attracted considerable attention as a cathode material for sodium-ion batteries owing to its low cost and fast Na+ diffusion kinetics. However, conventional aqueous synthesis often involves rapid nucleat..

작성자 최고관리자 작성일 2026-08-14
29

NEDL [NEDL] Prof.Changshin Jo: ZnO-embedded macroporous carbon framework via phase separation for stable lithium metal battery anodes Abstract Developing stable lithium metal battery (LMB) anodes remains a significant challenge due to severe volume changes and the formation of lithium dendrites. Herein, we report a dual-functional three-dimensional (3D) macrop..

작성자 최고관리자 작성일 2026-08-14
28

NEDL [NEDL] Prof.Changshin Jo: Engineering Homogeneous Dopant Distribution via Nano-Sol Infusion: A Strategy for Microcrack Suppression in LiNiO2 Abstract LiNiO2 (LNO), a promising candidate for the commercialization of high-energy-density lithium-ion batteries, offers high reversible capacity but suffers from limited cycle life due to anisotropic lattice distortion and th..

작성자 최고관리자 작성일 2026-08-14
27

NEDL [NEDL] Prof. Changshin Jo: Prussian Blue Analog as a Functional Additive for Restoring Sulfide Solid Electrolytes: Enhancing Moisture Stability in All-Solid-State Batteries AbstractSulfide-based solid-state electrolytes (SSEs) hold significant potential for all-solid-state batteries (ASSBs), but their severe degradation upon exposure to moisture remains a major barrier to their practical application. ..

작성자 최고관리자 작성일 2025-10-28
26

NEDL [NEDL] Prof. Changshin Jo: Homogeneous integration of 1D/2D nanomaterials into mesoporous metal oxides via ultrafast condensation-induced self-assembly toward enhanced lithium-ion storage Abstract Homogeneous integration of nanomaterials into mesoporous metal oxides (MMOs) remains a long-standing challenge, as conventional solvent evaporation–driven block copolymer self-assembly often leads to phase segregation a..

작성자 최고관리자 작성일 2025-10-28
25

NEDL [NEDL] Prof. Changshin Jo: Solvent-Induced Octahedral Self-Assembly of Prussian Blue and Its Applications in Sodium-Ion Capacitors AbstractControlling the morphology and exposed facets of nano/microparticles is crucial for enhancing material properties in electrochemical reactions, photoreactions, and biosensors. However, Prussian Blue (PB), a type of metal–organic ..

작성자 최고관리자 작성일 2025-10-28
24

NEDL [NEDL] Prof. Changshin Jo: Incorporation of high-valence dopants in primary particles for strain-resistive Co-free high-Ni LiNi0.9Mn0.1O2 cathodes Abstract Co-free high-Ni cathode materials, which offer advantages such as high energy density and low cost, exhibit unsatisfactory cyclic life due to severe c-lattice distortion during cycling. In existing doping strategies, charge i..

작성자 최고관리자 작성일 2025-10-28
23

NEDL [NEDL] Prof. Changshin Jo: Triphasic Interface Engineering with Metallic Sn/N, B Co-Doped Carbon Matrix for Boosting Reaction Kinetics and Cycling Stability in Lithium–Sulfur Batteries Abstract Lithium–sulfur batteries undergo solid–liquid–solid phase transitions based on a dissolution–deposition reaction mechanism. To effectively suppress the shuttling of soluble polysulfides, catalysts should be incorporated into ..

작성자 최고관리자 작성일 2025-10-28
22

NEDL [NEDL] Prof. Changshin Jo: Anion Effects on Crystal Water Reactivity and Cathode-Electrolyte Interphase of Prussian Blue in Sodium-Ion Batteries Abstract Prussian blue (PB) is a promising low-cost cathode material for sodium-ion batteries (SIBs), but the impact of crystal water on performance degradation remains unclear. This study explores how PB's crystal water interacts wit..

작성자 최고관리자 작성일 2025-10-28
21

NEDL [NEDL] Prof. Changshin Jo: Pulse-Charging Energy Storage for Triboelectric Nanogenerator Based on Frequency Modulation Abstract Energy harvesting storage hybrid devices have garnered considerable attention as self-rechargeable power sources for wireless and ubiquitous electronics. Triboelectric nanogenerators (TENGs), a common type of energy harvester..

작성자 최고관리자 작성일 2025-06-16
20

NEDL [NEDL] Prof. Changshin Jo: Optimizing Carbon Coating Process for Lithium-Rich LiFePO4 Cathode Materials AbstractLi1+xFe1-xPO4 (Li-rich LFP) has been proposed as an alternative to address low ionic and electronic conductivity of stoichiometric LiFePO4 (LFP). However, comprehensive studies investigating the impact of the carbon coa..

작성자 최고관리자 작성일 2025-06-16
19

NEDL [NEDL] Prof. Changshin Jo: Compositional study of Ti–Nb oxide (TiNb2O7, Ti2Nb10O29, Ti2Nb14O39, and TiNb24O62) anodes for high power Li ion batteries AbstractTitanium niobium oxides (TNOs) are attractive anode materials for high power density Li-ion batteries. However, the details of capacity storage in TNOs are not fully understood today as it depends on the Ti and Nb composition and..

작성자 최고관리자 작성일 2025-06-16
18

NEDL [NEDL] Prof. Changshin Jo: Ultrahigh mass loading, binder-free synthetic approach for mesoporous graphitic carbon in 3D current collector for high energy lithium-ion batteries AbstractTo achieve high-energy lithium-ion batteries (LIBs), both a high mass loading of electrode material onto the current collector and a binder-free process are simultaneously needed, but this remains a challenge. In this study, a no..

작성자 최고관리자 작성일 2025-06-16

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