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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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Zn-ion 배터리용 ZnMn
2
O
4
양극재의 입자 크기 증가를 통한 Mn
3+
용출 완화로 수명 증가
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박재영, 최영묵, 전상은
Korean J. Met. Mater.
2023;61(12):923-932. Published online 2023 Nov 30
DOI:
https://doi.org/10.3365/KJMM.2023.61.12.923
Abstract
ZnMn
2
O
4
(ZMO) cathode possesses a high theoretical capacity of 224 mAh g
-1
and high operating voltage (1.9 V vs. Zn
2+
/Zn) for aqueous Zn–ion batteries. However, the disproportionation reaction of Mn
3+
leads to Mn dissolution in the ZMO cathode, deteriorating lifespan. In this study, we attempted to reduce Mn dissolution by.....
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금속 산화물 지지체를 이용한 산소환원반응에 대한 전기화학 촉매 연구 동향
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조유진, 정원석, 임보영
Korean J. Met. Mater.
2023;61(4):231-241. Published online 2023 Mar 22
DOI:
https://doi.org/10.3365/KJMM.2023.61.4.231
Abstract
Global warming and air pollution have forced greater attention to new energy sources to replace fossil fuels. Among several eco-friendly energy sources, polymer electrolyte membrane fuel cells have been increasingly investigated since they have zero emissions, high energy density, and high energy efficiency. Carbon-supported Pt catalyst is generally used for.....
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Web of Science 3
Crossref 2
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유무기 하이브리드 할라이드 페로브스카이트의 안정성 향상을 위한 연구 동향 리뷰
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설명진, 한정우, 황승환, 김수영
Korean J. Met. Mater.
2022;60(1):1-13. Published online 2021 Dec 10
DOI:
https://doi.org/10.3365/KJMM.2022.60.1.1
Abstract
Because of their superior optical, and electrical properties, lead halide perovskites have emerged as potential materials for light-emitting-diodes. However, some obstacles have yet to be overcome for practical applications including low exciton binding energy, the difficulty of fabricating uniform perovskite films,, and their instability to heat, light, and moisture. In.....
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Web of Science 8
Crossref 9
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고분자 전해질 연료전지의 산소환원반응에 대한 Pt-M 합금 촉매의 최근 연구 동향
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심유진, 정원석
Korean J. Met. Mater.
2021;59(10):741-752. Published online 2021 Sep 6
DOI:
https://doi.org/10.3365/KJMM.2021.59.10.741
Abstract
Due to environmental pollution and global warming, research on new energy sources that can replace fossil fuels is important. A fuel cell is an eco-friendly energy conversion system that discharges water, and uses hydrogen as fuel. Although platinum is a widely used catalyst in PEMFCs, it has commercial limitations because.....
More
Crossref 2
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전기방사법을 이용한 산화 그래핀-은 나노섬유 투명전극
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현재영, 좌성훈, 박경완, 석중현
Korean J. Met. Mater.
2020;58(9):626-632. Published online 2020 Aug 19
DOI:
https://doi.org/10.3365/KJMM.2020.58.9.626
Abstract
We fabricated a transparent conducting electrode composed of graphene oxide (GO) and silver (Ag) nanofibers. The graphene oxide was spray-coated on the Ag nanofiber film, which was fabricated by electrospinning process. Ag/poly(vinyl alcohol) ink was fabricated in a polymer matrix solution using the solgel method. The sprayed film was sintered.....
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Web of Science 4
Crossref 5
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Korean J. Met. Mater.
2018;56(6):472-478. Published online 2018 Jun 4
DOI:
https://doi.org/10.3365/KJMM.2018.56.6.472
Abstract
We developed a multi-scale modeling framework using the thermodynamic UW1 database of the Fe-Mn-Ni-Si quaternary system. To obtain input data for the phase-field model, such as mobility and interfacial energy data, we used DICTRA software and the TC-PRISMA package with the commercial TCFE8 and MOBFE3 databases. Using the developed framework,.....
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Crossref 1
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