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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제17권 제8호
- 발행연도
- 2016.8
- 수록면
- 851 - 857 (7page)
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초록· 키워드
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Mg-oxide and Mg-oxide-Ni hydrogen storage alloys, 90 wt% Mg + 10 wt% Fe2O3 (named Mg-10Fe2O3), 90 wt% Mg + 5 wt%Fe2O3 + 5 wt% MnO (Mg-5Fe2O3-5MnO), 90 wt% Mg + 3.3 wt% Fe2O3+ 3.3 wt% Ni + 3.3 wt% MnO (Mg-3.3Fe2O3-3.3Ni3.3MnO),and 90 wt% Mg + 5 wt% Fe2O3 + 5 wt% Ni (Mg-5Fe2O3-5Ni), were prepared by mechanical milling under H2(reaction-involved milling). The hydrogen storage properties of the prepared alloys were then investigated. Among thesesamples, Mg-5Fe2O3-5Ni had the largest quantities of the hydrogen absorbed for 60 min at the first cycle and released for 60min after activation, the highest initial hydriding rate at the first cycle, and the highest initial dehydriding rate after activation.
The as-milled Mg-5Fe2O3-5Ni absorbed 1.75 wt%H for 2.5 min, 2.98 wt%H for 10 min, 3.82 wt%H for 30 min, and4.24 wt%H for 60 min at 593 K under 12 bar H2. The activated Mg-5Fe2O3-5Ni released 1.70 wt%H for 10 min, 3.12 wt%Hfor 30 min, and 3.69 wt%H for 60 min at 603 K under 1.0 bar H2. Fe2O3 was reduced to Fe and Mg was oxidized to MgO, dueto the large difference in the chemical affinities of Fe and Mg for oxygen.
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참고문헌 (40)
참고문헌 신청
송명엽 / 2014 / Improvement of the Reaction Rates of Mg with H2 by the Addition of TaF5 via Reactive Mechanical Grinding / 대한금속·재료학회지 52(2):137~142
송명엽 / 2014 / PCT Curve and Cycling Performance of MgH2-Ni-NaAlH4-Ti Alloy Milled under H2 / 대한금속·재료학회지 52(5):391~396
곽영준 / 2014 / Hydrogenation Kinetics and Physical Characteristics of Ni, Ti, and Fe2O3-Added Mg by Reactive Mechanical Grinding / 대한금속·재료학회지 52(10):829~835
곽영준 / 2014 / Hydriding and Dehydriding Reactions of Mg-xTaF5 (x=0, 5, and 10) Prepared via Reactive Mechanical Grinding / 대한금속·재료학회지 52(11):957~962
송명엽 / 2014 / Enhancement of Hydrogen-Storage Characteristics of Magnesium Hydride via Reaction-Involved Milling with Nickel and Lithium Borohydride / 대한금속·재료학회지 52(12):1031~1036
송명엽 / 2014 / PCT Curve and Cycling Performance of MgH2-Ni-NaAlH4-Ti Alloy Milled under H2 / 대한금속·재료학회지 52(5):391~396
곽영준 / 2014 / Hydrogenation Kinetics and Physical Characteristics of Ni, Ti, and Fe2O3-Added Mg by Reactive Mechanical Grinding / 대한금속·재료학회지 52(10):829~835
곽영준 / 2014 / Hydriding and Dehydriding Reactions of Mg-xTaF5 (x=0, 5, and 10) Prepared via Reactive Mechanical Grinding / 대한금속·재료학회지 52(11):957~962
송명엽 / 2014 / Enhancement of Hydrogen-Storage Characteristics of Magnesium Hydride via Reaction-Involved Milling with Nickel and Lithium Borohydride / 대한금속·재료학회지 52(12):1031~1036
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