Research Achievements 1 페이지 | 포항공과대학교 친환경소재대학원

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Research Achievements

Total 25건 1 페이지

25

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
24

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
23

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
22

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

작성자 최고관리자 작성일 2026-01-12
21

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
20

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
19

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
18

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
17

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
16

EMRL [EMRL] Kyu-Young Park: Incorporation of high-valence dopants in primary particles for strain-resistive Co-free high-Ni LiNi0.9Mn0.1O2 cathodes AbstractCo-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 imbalanc..

작성자 최고관리자 작성일 2026-01-12
15

EMRL [EMRL] Prof. Kyu-Young Park: Understanding cross-talk–induced anode slippage in high-voltage mid-Ni NCM/graphite full cells ABSTRACTWhile high-voltage operation of mid-Ni layered oxide cathodes in full-cell Li-ion batteries is essential for achieving high energy density, it inevitably accelerates electrode degradation, ultimately resulting in capacity loss. Howe..

작성자 최고관리자 작성일 2026-01-12
14

EMRL [EMRL] Prof. Kyu-Young Park: Elucidating and controlling phase integration factors in Co-free Li-rich layered cathodes for lithium-ion batteries AbstractLi- 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-f..

작성자 최고관리자 작성일 2026-01-12
13

EMRL [EMRL] Prof. Kyu-Young Park: Water-based Pickering emulsion for concurrent washing and CNT coating of high-nickel layered lithium-ion cathodes AbstractHigh-nickel layered oxide cathodes have gained prominence in lithium-ion battery systems due to their exceptional energy density. However, their unstable surface chemistry and the need for excess lithium precursor during synthesis r..

작성자 최고관리자 작성일 2026-01-12
12

EMRL [EMRL] Prof. Kyu-Young Park: Enhancing Mechanical Resilience in Li-Ion Battery Cathodes with Nanoscale Elastic Framework Coatings AbstractClick to copy section linkLattice 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,..

작성자 최고관리자 작성일 2026-01-12
11

EMRL [EMRL] Prof. Kyu-Young Park: Understanding mechanical failure behaviours and protocol optimization for fast charging applications in Co-free Ni-based cathodes for lithium-ion batteries AbstractCurrently, it is a significant challenge to achieve long-term cyclability and fast chargeability in lithium-ion batteries, especially for the Ni-based oxide cathode, due to severe chemo-mechanical degradation. Despite its importance..

작성자 최고관리자 작성일 2026-01-12
10

EMRL [EMRL] Prof. Kyu-Young Park: Balancing Layered Ordering and Lattice Oxygen Stability for Electrochemically Stable High-Nickel Layered Cathode for Lithium-ion Batteries   AbstractDespite the high-capacity nature of high-nickel cathode materials, achieving their practical implementation is challenging due to the susceptibility of atomic arrangement to calcining conditions. Extensive studies have enlightened t..

작성자 최고관리자 작성일 2026-01-12

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