Various applications have allowed the development of different H2 storage scenarios. Recently, the Hy-Can consortium has introduced a small one liter, 10 bars (1.0 MPa; 150 psi) format. Horizon Fuel Cells is now selling a refillable 3 megapascals (30 bar; 440 psi) metal hydride form factor for consumer use called HydroStik.
In accordance with ISO/TS 15869 (revised):
Actual Standard EC 79/2009
Using magnesium for hydrogen storage, a safe but weighty reversible storage technology. Typically the pressure requirement are limited to 10 bars (1.0 MPa; 150 psi). The charging process generates heat whereas the discharge process will require some heat to release the H2 contained in the storage material. To activate those type of hydrides, at the current state of development you need to reach approximately 300 °C (572 °F).
See also sodium aluminium hydride