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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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기계 학습 기반 흡착에너지 예측을 통한 암모니아 분해용 합금 촉매 탐색
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여병철, 정소윤, 김준수, 김동훈
Korean J. Met. Mater.
2024;62(11):920-927. Published online 2024 Nov 5
DOI:
https://doi.org/10.3365/KJMM.2024.62.11.920
Abstract
Ammonia decomposition has gained significant attention as an eco-friendly method for hydrogen production because it creates no carbon dioxide emissions. While Ru catalysts are known for their high activity in ammonia decomposition, their high cost makes them uneconomical for commercial use. Therefore, it is essential to explore novel alloy catalysts.....
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Korean J. Met. Mater.
2022;60(10):732-743. Published online 2022 Sep 29
DOI:
https://doi.org/10.3365/KJMM.2022.60.10.732
Abstract
Silica fibers were fabricated by sol-gel reaction and an electrospinning process. A high voltage source of electricity was applied to the prepared spinning solution to form the fibers. Macroporous silica fibers were prepared using polystyrene (PS) nanospheres as templates after calcination. The pore size could be controlled by adjusting the.....
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Web of Science 4
Crossref 4
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수소 저장용 다공성 제올라이트 탐색을 위한 고속 대량 스크리닝 계산
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여병철
Korean J. Met. Mater.
2022;60(7):537-544. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.537
Abstract
Hydrogen is considered an attractive energy resource because it is eco-friendly in contrast with fossil fuels. Hydrogen storage remains as essential technology for increasing the use of the hydrogen in applications such as hydrogen vehicles and fuel cells. Hydrogen storage requires retaining a high density of hydrogen molecules at ambient.....
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Web of Science 1
Crossref 3
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조영상, 성소현, 우승희, 김영석
Korean J. Met. Mater.
2021;59(2):99-112. Published online 2021 Feb 5
DOI:
https://doi.org/10.3365/KJMM.2021.59.2.99
Abstract
In this study, silica aerogel particles were synthesized from emulsion droplets as micro-reactors at room temperature under ambient pressure. An economical precursor, sodium silicate, was used as the starting material for silica, and an emulsification technique was applied to form droplets in continuous phase. By controlling the composition of the...
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Web of Science 7
Crossref 6
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제올라이트 종류에 따른 수분 흡착 특성 평가
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김광배, 임예솔, 김은석, 진새라, 이현준, 김성훈, 노윤영, 송오성
Korean J. Met. Mater.
2020;58(7):501-506. Published online 2020 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.7.501
Abstract
The properties and H
2
O adsorption characteristics of two types of zeolites (3A and 13X) with the same shape but different element composition were identified. These zeolites are used in gas purification processes to manufacture 9N ultra-pure inert gases for semiconductor process applications. To analyze the shape and microstructure of the.....
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Korean J. Met. Mater.
2020;58(5):304-318. Published online 2020 Apr 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.304
Abstract
This study investigated the removal of the organic dye like methylene blue using porous particles in a batch adsorption process. Porous silica microparticles were synthesized with macropores or meso-macropores and used as adsorbent particles. The hierarchically porous structures with additional mesopores were found to be more effective adsorbent than simple.....
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Web of Science 3
Crossref 3
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염산 용액에서 지르코늄(IV)계 금속-유기물 구조체 UIO-66-NH
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의 팔라듐(II) 흡착
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안형훈, 이만승
Korean J. Met. Mater.
2019;57(9):589-595. Published online 2019 Aug 21
DOI:
https://doi.org/10.3365/KJMM.2019.57.9.589
Abstract
Metal-organic frameworks are used in many applications, such as gas separation, catalysis, and the synthesis of nanomaterials. Metal-organic frameworks show superior stability at high temperature, which makes them potentially useful for the adsorption of metal ions from leaching solutions at high temperature. In this work, UIO-66-NH
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Web of Science 1
Crossref 1
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BaO가 담지된 V2O5-WO3/TiO2 SCR 촉매의 질소산화물 흡, 탈착 특성 및 제거 효율
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김진우, 예보라, 이민우, 정보라, 이덕현, 이희수, 김홍대
Korean J. Met. Mater.
2019;57(4):270-277. Published online 2019 Apr 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.4.270
Abstract
Recently, directly emitted NOx upon start-up has been spotlighted as a significant emissions problem. BaO loaded V2O5-WO3/TiO2 Selective Catalytic Reduction (SCR) catalysts were synthesized with various contents of barium which was a representative NOx adsorbent and their NOx adsorption, desorption, and removal efficiency were shown. The phase of BaO was.....
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Web of Science 5
Crossref 5
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크롬과 니켈 첨가가
α
-Fe 표면의 염소 가스 부식 특성에 미치는 영향
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김지웅, 김명재, 서창열, 류정호, 류태공, 홍혜진, 서용재
Korean J. Met. Mater.
2019;57(2):108-114. Published online 2019 Feb 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.2.108
Abstract
As energy generation by recycling biomass has become increasingly attractive, research on biomass recycling has focused on improving operational efficiency. To develop a new material composition for the inner wall of a biomass boiler, we investigated the effect of Cr and Ni addition on the resistance of the α-iron (100).....
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Web of Science 1
Crossref 1
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