Figure 2.

Hydrogen desorption curves of the milled NaAlH4 and NaAlH4 doped with different amount of K2NiF6 (5, 10, 15, and 20 wt %).

Hydrogen desorption curves of the milled NaAlH4 and NaAlH4 doped with different amount of K2NiF6 (5, 10, 15, and 20 wt %).