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Fabricating and Probing Forsterite Li-ion Battery Anode Electrodes
Forsterite 리튬 이온 배터리 음극 제조 및 전기화학적 반응 탐침
Dong-Ju Kim, Byoung-Nam Park
김동주, 박병남
Korean J. Met. Mater. 2022;60(11):851-857.   Published online 2022 Oct 31
DOI: https://doi.org/10.3365/KJMM.2022.60.11.851

In an effort to minimize irreversible capacity loss and volume expansion, research on Si nanocomposite materials with a SiOx/Mg2SiO4/SiOx structure through a magnesiothermic reduction process (MTR) has attracted much attention from researchers. Mg2SiO4(forsterite) has been shown to improve the initial coulombic efficiency (ICE) by minimizing the irreversible capacity loss due..... More

                   Web of Science 1
Effect of Co<sub>3</sub>O<sub>4</sub>/Additive Interface and Crystallite Size on Co<sub>3</sub>O<sub>4</sub> Li-ion Battery Capacity and Cycle Stability
코발트 산화물 리튬 이온 배터리 용량 및 사이클 안정성에 대한 코발트 산화물/첨가제 계면 및 결정립 크기의 영향
Byoung-Nam Park
Korean J. Met. Mater. 2022;60(6):448-454.   Published online 2022 May 24
DOI: https://doi.org/10.3365/KJMM.2022.60.6.448

Due to its high theoretical capacity in the conversion reaction, Co3O4, a transition metal oxide, has been attracting attention as an anode material for lithium-ion batteries. Comparing conventional slurry method with the electrophoretic deposition (EPD) method without additives (conductive agents and binders), we investigated the effect of the Co3O4/additive interface..... More

Porous MnO<sub>2</sub>/ carbon Hybrid Material with Improved Electrochemical Performance
Venugopal Nulu
Korean J. Met. Mater. 2021;59(9):670-676.   Published online 2021 Aug 4
DOI: https://doi.org/10.3365/KJMM.2021.59.9.670

In this work, MnO2 nanoparticles were embedded in a carbon matrix as a porous composite, fabricated using a simple chemical route followed by low-temperature annealing, with activated carbon (AC) as the carbon source in the composite preparation. The porous MnO2/carbon structures contained some selective nanoparticles coated with carbon. The structural..... More

Direct Measurement of Electric Resistivity of Solid Electrolyte Interface Using 4-Point-Probe Technique
4점 탐침 측정법을 이용한 고상전해질계면의 비저항 측정
Jun-Hyoung Park, Yong-Seok Choi, Hyung Cheoul Shim, Jae-Pyoung Ahn, Jae-Chul Lee
박준형, 최용석, 심형철, 안재평, 이재철
Korean J. Met. Mater. 2019;57(1):67-70.   Published online 2018 Dec 14
DOI: https://doi.org/10.3365/KJMM.2019.57.1.67

Lack of understanding on the electrical properties of the solid electrolyte interface (SEI) has been one of the major hurdles for developing fast charging Li-ion batteries. Here, we report our preliminary experimental result on the measurement of the electrical resistivity of SEI using the direct-contact technique based on electron microscopy..... More

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