Thermal Dehydrogenation Characteristics of Li-Sr-Al-N-H Hydrogen Storage System
- Resource Type
- Authors
- Dongming Liu; T.Z. Si; Yongtao Li; Yue Zhang
- Source
- Materials Research, Vol 21, Iss 2 (2017)
Materials Research v.21 n.2 2018
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Volume: 21, Issue: 2, Article number: e20170711, Published: 18 DEC 2017
Materials Research, Issue: ahead, Published: 18 DEC 2017
- Subject
- Materials science
Hydrogen
chemistry.chemical_element
02 engineering and technology
010402 general chemistry
01 natural sciences
Chemical reaction
Isothermal process
Dehydrogenation property
General Materials Science
Dehydrogenation
Thermal stability
Hydrogen storage material
Ball mill
Materials of engineering and construction. Mechanics of materials
Reaction mechanism
Metal-N-H system
Mechanical Engineering
Thermal decomposition
021001 nanoscience & nanotechnology
Condensed Matter Physics
0104 chemical sciences
Amorphous solid
chemistry
Chemical engineering
Mechanics of Materials
TA401-492
0210 nano-technology
- Language
- English
- ISSN
- 1516-1439
Thermolysis behavior of the Li-Sr-Al-N-H hydrogen storage system prepared by ball milling of Sr2AlH7 + LiNH2 mixture was investigated in this paper. The results show that thermal decomposition of the Li-Sr-Al-N-H system proceeds mainly in two steps with only hydrogen desorption. The thermal stability of this system is lowered as compared to the individual starting material, resulting in the hydrogen desorption initiating from about 125 °C. In addition, about 0.91 and 1.53 wt.% of hydrogen can be isothermally desorbed within 180 min at 180 and 330 °C, respectively. The decreased thermal stability of the Li-Sr-Al-N-H system might be attributed to the chemical reactions between the starting materials during the heating process with the formation of LiSrH3 and N-containing amorphous phases.