Research Achievements 1 페이지 | 포항공과대학교 친환경소재대학원

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Research Achievements

Total 189건 1 페이지

189

EMRL [EMRL] Prof.Kyu-Young Park: Scalable and high-rate ultra-thick cathodes enabled by a multifunctional ethyl cellulose additive AbstractUltra-thick cathodes delivering >10 mAh cm−2 with high-rate capability remain a central challenge due to severe electronic/ionic transport limitations and structural inhomogeneity introduced during fabrication. Here, we..

작성자 최고관리자 작성일 2026-04-08
188

SECL [SECL]Prof. Minah Lee: Tailoring electrochemical interface to regulate competition between Zn deposition and hydrogen evolution in aqueous rechargeable batteries AbstractThe practical implementation of aqueous Zn-ion batteries (AZIBs) is hindered by the irreversibility of Zn metal anodes, which suffer from heterogeneous electrodeposition coupled with parasitic hydrogen evolution reactions (HER). Whi..

작성자 최고관리자 작성일 2026-03-10
187

IEML [IEML]Prof. Jihyun Hong: Tailoring electrochemical interface to regulate competition between Zn deposition and hydrogen evolution in aqueous rechargeable batteries AbstractThe practical implementation of aqueous Zn-ion batteries (AZIBs) is hindered by the irreversibility of Zn metal anodes, which suffer from heterogeneous electrodeposition coupled with parasitic hydrogen evolution reactions (HER..

작성자 최고관리자 작성일 2026-03-10
186

IEML [IEML]Prof. Jihyun Hong: Immersion-type hydrogen charging into a zinc-coated ultra-high-strength steel AbstractThe effectiveness of hydrogen charging into a high-strength martensitic steel using an immersion-type method with HCl and NH4SCN solutions was evaluated through thermal desorption spectroscopy and tens..

작성자 최고관리자 작성일 2026-03-10
185

IEML [IEML]Prof. Jihyun Hong: Co-Free and Ni-Minimized Li- and Mn-Rich Layered Cathodes With Suppressed Structural Disordering for High-Performance and Cost-Effective LIBs AbstractThe demand for high-performance and cost-effective lithium-ion batteries (LIBs) calls for cathodes with high energy density, structural stability, and reduced reliance on costly Co and Ni. Here, a Co-free and Ni-minimized (≤10 mol%)..

작성자 최고관리자 작성일 2026-03-10
184

IEML [IEML]Prof.Jihyun Hong: Interfacial chemistry-driven reaction dynamics and resultant microstructural evolution in lithium-based all-solid-state batteries AbstractAchieving a comprehensive understanding of battery systems necessitates multi-length scale analysis, from the atomic- to macro-scale, to grasp the complex interplay of phenomena influencing performance. However, studies to understan..

작성자 최고관리자 작성일 2026-03-10
183

ICMEL [ICMEL] Prof.Kyoungdoc Kim: Solidification microstructure and elemental segregation in laser-based powder bed fusion additively manufactured IN738LC Ni-based superalloy AbstractWe systematically investigate the solidification microstructure and elemental segregation in Inconel 738LC fabricated via laser-based powder bed fusion of metals (PBF-LB/M) under three representative process conditions. Micros..

작성자 최고관리자 작성일 2026-02-12
182

EMRL [EMRL] Prof. Kyu-Young Park: Comparison Study of a Thermal-Driven Microstructure in a High-Ni Cathode for Lithium-Ion Batteries: Critical Calcination Temperature for Polycrystalline and Single-Crystal… AbstractHigh-Ni layered oxide cathodes are promising candidates for lithium-ion batteries due to their high energy density. However, their cycle stability is compromised by the poor mechanical durability of the particle microstructure. In t..

작성자 최고관리자 작성일 2026-01-12
181

EMRL [EMRL] Prof. Kyu-Young Park: Re-evaluation of Battery-grade Lithium Purity Toward Sustainable Batteries AbstractRecently, the cost of lithium-ion batteries has risen as the price of lithium raw materials has soared and fluctuated. Notably, the highest cost of lithium production comes from the impurity elimination process to satisfy the batter..

작성자 최고관리자 작성일 2026-01-12
180

EMRL [EMRL] Prof. Kyu-Young Park: Scalable conversion of residual lithium into conformal artificial cathode electrolyte interphase via a single-step wet-chemical process for high-voltage Ni-rich cathode op… AbstractNi-rich layered oxide has become an indispensable cathode for incumbent lithium-ion batteries due to their high energy density and low cost. Despite these advantages, the Ni-rich cathode suffers from surface residual lithium, which ..

작성자 최고관리자 작성일 2026-01-12
179

EMRL [EMRL] Prof. Kyu-Young Park: 리튬 이차전지 용 고니켈계 층상형 산화물 양극 소재 연구동향

작성자 최고관리자 작성일 2026-01-12
178

EMRL [EMRL] Prof. Kyu-Young Park: Enhanced LiMn2O4 Thin-Film Electrode Stability in Ionic Liquid Electrolyte: A Pathway to Suppress Mn Dissolution AbstractClick to copy section linkSpinel-type lithium manganese oxide (LiMn2O4) cathodes suffer from severe manganese dissolution in the electrolyte, compromising the cyclic stability of LMO-based Li-ion batteries (LIBs). In addition to cau..

작성자 최고관리자 작성일 2026-01-12
177

EMRL [EMRL] Prof. Kyu-Young Park: Mitigating Pt loss in polymer electrolyte membrane fuel cell cathode catalysts using graphene nanoplatelet Pickering emulsion processing AbstractCarbon-supported Pt nanoparticles are the leading catalysts for the cathode oxygen reduction reaction (ORR) in polymer electrolyte membrane fuel cells. However, these ORR catalysts suffer from poor electrochemical durability, partic..

작성자 최고관리자 작성일 2026-01-12
176

EMRL [EMRL] Prof. Kyu-Young Park: Characterizing and mitigating chemomechanical degradation in high-energy lithium-ion battery cathode materials AbstractClick to copy section linkConspectusLithium-ion batteries (LIBs) are nearly ubiquitous energy storage solutions, powering devices ranging from consumer electronics to electric vehicles. To advance these applications, current LIB res..

작성자 최고관리자 작성일 2026-01-12
175

EMRL [EMRL] Prof. Kyu-Young Park: Enabling Multielectron Reaction of Polyanionic Cathodes Toward High-Energy Calcium Rechargeable Batteries AbstractPolyanionic cathode materials with robust structural stability and large Ca2+ diffusion channels have aroused great interest in propelling the development of calcium-ion batteries (CIBs). However, polyanionic cathodes usually e..

작성자 최고관리자 작성일 2026-01-12
174

EMRL [EMRL] Prof. Kyu-Young Park: Origin of Double Ligand Holes and Abnormal Inductive Effect of np6 Elements in Ni-rich Cathodes AbstractNi-rich cathodes stand out for their ability to achieve high energy density in Li-ion batteries. However, their long-term cycling stability is challenged by excessive oxygen redox activity, the fundamental atomic-scale behavior of w..

작성자 최고관리자 작성일 2026-01-12

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