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Mg-Composition Dependent Cycle Stability in Zn1-xMgxO Li-ion Battery: Transition from Electronic Transport-Limited to Ionic Transport Limited Cycles
Byoungnam Park
Korean J. Met. Mater. 2024;62(5):377-384.   Published online 2024 May 5
DOI: https://doi.org/10.3365/KJMM.2024.62.5.377

This study explores Mg-composition dependent cycle stability in a Zn1-xMgxO Li-ion battery, where battery cycles transition from an electronic transport-limited to an ionic transport limited regime. We investigated the impact of Mg doping in Zn1-xMgxO nanocrystals on Li-ion battery performance, focusing on Mg compositions between x=0.05 and x=0.15. Mg composition..... More

Modulating the Electrical Properties of Lithium-Doped Zinc Oxide: Interplay of Lithium Content, Oxygen Pressure, and Temperature
Byoungnam Park
Korean J. Met. Mater. 2024;62(2):106-114.   Published online 2024 Jan 30
DOI: https://doi.org/10.3365/KJMM.2024.62.2.106

This research elucidates the intricate interplay of lithium content, oxygen pressure, and temperature and their influence on the electrical properties of Lithium-doped zinc oxide (LZO). The electrical behavior of zinc oxide (ZnO), a prominent semiconductor material, can be modulated when doped with lithium (Li). Through systematic experimentation, we demonstrate that..... More

Photo Seebeck Effect of Air Stable MAPbI3
대기중 안정한 MAPbI3에서의 Photo Seebeck 효과
Yuseong Kim, Byoungnam Park
김유성, 박병남
Korean J. Met. Mater. 2023;61(2):91-97.   Published online 2023 Jan 27
DOI: https://doi.org/10.3365/KJMM.2023.61.2.91

With increasing interest in energy harvesting using heat as a next-generation eco-friendly energy source, organic-inorganic perovskite materials have emerged as promising materials for thermoelectric devices. In particular, the photo-Seebeck effect of halide perovskite materials has attracted attention due to their wide optical absorption spectrum and large diffusion length, depending on..... More

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