Metal hydride hydrogen storage tank for containing hydrides

A tank for storing hydrogen by absorption in a hydrogen storage material, comprising:

• a chamber;
• an hydrogen supplier and collector device for supplying hydrogen into the chamber and collecting hydrogen in the chamber;
• an inner structure for storing hydrogen storage material, the inner structure comprising at least two cups, each cup comprising a base, a side wall, and a closing element forming a volume impermeable to the hydrogen storage material, at least part of each cup being permeable to hydrogen, and the inner structure further comprising a passage provided at least between part of an outer face of the side wall of the cups and an inner face of the chamber, the hydrogen supplier and collector device being connected to the passage.