Acta Metallurgica Sinica (English Letters) ›› 2017, Vol. 30 ›› Issue (11): 1040-1048.DOI: 10.1007/s40195-017-0638-8
Special Issue: 能源材料专辑(2016-2017)
• Orginal Article • Previous Articles Next Articles
Yang-Huan Zhang1,2,*(
), Wei Zhang1,2, Jin-Liang Gao3, Ze-Ming Yuan1,2, Wen-Gang Bu2, Yan Qi2
Received:2017-08-14
Revised:2017-08-14
Online:2017-11-20
Published:2018-01-30
Contact:
Zhang Yang-Huan
Yang-Huan Zhang, Wei Zhang, Jin-Liang Gao, Ze-Ming Yuan, Wen-Gang Bu, Yan Qi. A Comparison Study of Hydrogen Storage Thermodynamics and Kinetics of YMg11Ni Alloy Prepared by Melt Spinning and Ball Milling[J]. Acta Metallurgica Sinica (English Letters), 2017, 30(11): 1040-1048.
Fig. 2 HRTEM micrographs and SAD patterns of YMg11Ni alloy at different states: a as-spun YMg11Ni, b as-spun and hydrogenated YMg11Ni, c as-spun and dehydrogenated YMg11Ni, d as-milled YMg11Ni, e as-milled and hydrogenated YMg11Ni, f as-milled and dehydrogenated YMg11Ni
| State | ΔHab (kJ/mol) | ΔSab (J/mol/K) | ΔHde (kJ/mol) | ΔSde (J/mol/K) |
|---|---|---|---|---|
| As-spun | -78.63 | -121.87 | 81.84 | 126.62 |
| As-milled | -77.83 | -118.71 | 79.46 | 120.15 |
Table 1 Enthalpy change (ΔH) and entropy change (ΔS) of as-spun and as-milled alloys
| State | ΔHab (kJ/mol) | ΔSab (J/mol/K) | ΔHde (kJ/mol) | ΔSde (J/mol/K) |
|---|---|---|---|---|
| As-spun | -78.63 | -121.87 | 81.84 | 126.62 |
| As-milled | -77.83 | -118.71 | 79.46 | 120.15 |
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