Research Achievements 1 페이지 | 포항공과대학교 친환경소재대학원

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Research Achievements

Total 149건 1 페이지

149

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
148

NEDL [NEDL] Prof. Changshin Jo: Elucidating and controlling phase integration factors in Co-free Li-rich layered cathodes for lithium-ion batteries Li- and Mn-rich layered oxides (LLOs) with a Co-free composition are promising candidates for next-generation cathodes in low-cost and high-energy-density lithium-ion batteries. Despite their potential, the commercialization of Co-free L..

작성자 최고관리자 작성일 2025-06-16
147

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
146

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
145

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
144

NEDL [NEDL] Prof. Changshin Jo: Carbon-based materials for potassium-ion battery anodes: Storage mechanisms and engineering strategies AbstractRecently, potassium-ion batteries (PIBs) have received significant attention in the energy storage field owing to their high-power output, fast charging capability, natural abundance, and environmental sustainability. Herein, we ..

작성자 최고관리자 작성일 2025-06-16
143

NEDL [NEDL] Prof. Changshin Jo: Enhancing Mechanical Resilience in Li-Ion Battery Cathodes with Nanoscale Elastic Framework Coatings Abstract Lattice volume changes in Li-ion batteries active materials are unavoidable during electrochemical cycling, posing significant engineering challenges from the particle to the electrode level. In this study, we present an ela..

작성자 최고관리자 작성일 2025-06-16
142

NEDL [NEDL] Prof. Changshin Jo: Free-Standing Carbon Materials for Lithium Metal Batteries AbstractLithium metal, with its high theoretical capacity and low redox potential, is the most promising next-generation high-energy-density battery anode material. However, the formation of uneven surface layers and dead lithium, signif..

작성자 최고관리자 작성일 2025-06-16
141

NEDL [NEDL] Prof. Changshin Jo: Activation of the Radical-Mediated Pathway and Facilitation of the Li2S Conversion by N-Doped Carbon-Embedded Ti1-xCoxN Nanowires as a Multifunctional Separator with a High … AbstractElectrolyte modification with a high donor-number solvent is necessary to increase sulfur utilization, but it also presents poor compatibility with lithium metal. The amount of the solvent should be optimized to maximize sulfur u..

작성자 최고관리자 작성일 2025-06-16
140

NEDL [NEDL] Prof. Changshin Jo: Aqueous Acidic Pectin-Based Solution as Electrolyte and Pretreatment Solution for Zinc Ion Battery Anodes AbstractWhile considerable progress has been achieved in aqueous mildly acidic Zn-ion batteries (AZIBs), the development of metallic Zn anodes remains challenging due to dendritic growth and side reactions on the Zn surface in mildly aci..

작성자 최고관리자 작성일 2025-06-16
139

ICMEL [ICMEL] Prof. Kyungdoc Kim: Understanding the effect of solute-solute interactions on diffusion in Ni-based substitutional solid solutions

작성자 최고관리자 작성일 2025-05-27
138

ADL [ADL]Prof. Yoon-Uk Heo: Exploring the impact of intercritical annealing on microstructural evolution and mechanical performance in low alloy multiphase TRIP-assisted steels

작성자 최고관리자 작성일 2025-05-20
137

ADL [ADL]Prof. Yoon-Uk Heo: Boron-induced unique precipitation behavior at the grain boundary and its effect on the brittle fracture in a Fe-Mn-Al-C-based austenitic lightweight alloy

작성자 최고관리자 작성일 2025-05-20
136

IEML [IEML] Prof. Jihyun Hong, Reduction-Induced Oxygen Loss: the Hidden SurfaceReconstruction Mechanism of Layered Oxide Cathodes inLithium-Ion Batteries The surface reconstruction from the layered to rocksalt-type phase representsa primary deterioration pathway of layered-oxide cathodes in lithium-ion bat-teries, involving irreversible oxygen loss and transition metal migration. Thisdegrada..

작성자 최고관리자 작성일 2025-03-31
135

ICMEL [ICMEL] Prof. Kyungdoc Kim: Integrated Computational Materials Engineering of Fire-Resistant Steels We explore a wide compositional space of low-carbon steel, containing 11 alloying elements, assess its feasibility for fire-resistant applications via modeling yield strength at elevated temperatures. We employ the high-throughput CALPHAD-b..

작성자 최고관리자 작성일 2025-02-17
134

SNMPL [SNMPL]Prof. Hyoung-Seop Kim: Dual-gradient structure induced spreadable phase transformation for simultaneously improving strength and ductility

작성자 최고관리자 작성일 2024-10-04

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