[ephbit]

> Hydrogen storage is not something that you really want to do at home, especially in "saving up" quantities. It is quite happy to explode, you need tremendous pressures and low temperatures for efficient storage, and also hard to contain ..

Agree, hydrogen storage is not something you do as easily as say piling up some fire wood.

On the other hand, it's totally possible to do at home and it is being done. Hydrogen can be stored in regular gas cylinders. See the realized projects from Home Power Solutions [1].

If these cylinders are located outside, explosions should be rather unlikely due to ventilation.

[1] https://www.homepowersolutions.de/en/picea-plus/