If we start using this method (ferrosilicon) again, does that mean that we could make an ‘unlimited’ energy supply? Or

Question: If we start using this method (ferrosilicon) again, does that mean that we could make an 'unlimited' energy supply? Or something similar?
- Keywords:
  energy,
  ferrosilicon
Asked by Alkane to Paul on 24 Jun 2015.
- Paul Brack answered on 24 Jun 2015:
  
  Well, if you kept on adding more ferrosilicon, water and caustic soda, you could keep on making hydrogen until you ran out of them. So it kind of depends on how much of them you could carry with you – that’s what would limit how much energy you could make. So it wouldn’t be unlimited, no.

Question: If we start using this method (ferrosilicon) again, does that mean that we could make an 'unlimited' energy supply? Or something similar?