연구성과 1 페이지 | 포항공과대학교 친환경소재대학원

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연구성과

Total 22건 1 페이지

22

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
21

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
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
17

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
16

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
15

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
14

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
13

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
12

NEDL [NEDL] Prof. Changshin Jo: Flashlight treatment for instantaneous structuring of dense MXene film into porous MXene/TiO2 nanocomposite for lithium-ion battery anodes Abstract: MXenes, the two-dimensional metal carbides and nitrides, have been considered a new class of electrode materials with their noticeable performance in various energy storage systems. Furthermore, the unique property and morph..

작성자 최고관리자 작성일 2024-04-24
11

NEDL [NEDL] Prof. Changshin Jo: Carbon cloth modified by direct growth of nitrogen-doped carbon nanofibers and its utilization as electrode for zero gap flow batteries Abstract: The synthetic procedure and characterization of carbon nanofibers (CNFs) grown on carbon cloth (CC) are explored in this study, with a focus on their potential application as electrodes in vanadium redox flow batteries (VRFB..

작성자 최고관리자 작성일 2024-04-24
10

NEDL [NEDL] Prof. Changshin Jo: Operational strategy for multiredox-reaction electrodes for long-lifespan Na-ion hybrid capacitors AbstractThe development of high-performance sodium storage materials is becoming necessary owing to the limited availability of lithium. Materials undergoing a multiredox-reaction mechanism are highly promising for sodium-ion batterie..

작성자 최고관리자 작성일 2023-10-26
9

NEDL [NEDL] Prof. Changshin Jo: Biopolymer-blended protective layer for use in stabilizing the zinc anode in metal battery applications AbstractMetallic Zn anodes have recently attracted attention for use in large-scale energy storage systems; however, controlling the nucleation and growth behaviors of Zn is essential owing to its poor reversibility. In this study, we..

작성자 최고관리자 작성일 2023-10-26
8

NEDL [NEDL] Prof. Changshin Jo: Thickness-ControllableElectrodeof Lithium Titanium Oxide Nanowire Sheetswith Multiple Stacked Morphology for Ultrahigh Areal Capacityand Stabilityof Lithium-IonBatteries AbstractNowadays, thickness optimization of an electrode is considered an effective approach to achieve a high energy density or high areal capacity of Li-ion batteries. In this paper, we report a simple electrospinning technique to d..

작성자 최고관리자 작성일 2023-10-26
7

NEDL [NEDL] Prof. Changshin Jo: Amorphous antimony oxide as reaction pathway modulator toward electrocatalytic glycerol oxidation for selective dihydroxyacetone production AbstractAchievement of an efficient and stable electrocatalytic glycerol oxidation reaction (EGOR) is limited by a lack of strategies for designing advanced electrocatalysts that satisfy the desired product selectivity, high electroca..

작성자 최고관리자 작성일 2023-10-26

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