Table 2. Peak Temperatures of Hydrogen Desorption and the Amount of Absorbed Hydrogen on the Prepared MgH2 with Each Nb2O5.
| name | peak temperature of H2 desorption (°C) | amount of absorbed H2 (wt %) |
|---|---|---|
| mono-NbO | 247, 283 (36) | 1.7 |
| amor-NbO | 242, 273 (31) | 2.2 |
| pyro-NbO | 242, 253 (11) | 3.7 |
| layered-NbO | 237, 259 (22) | 3.0 |
| ortho-NbO | 232, 262 (30) | 2.7 |