Commercial Applications of H2 from Zr

We all saw what happened in Japan last year.  One thing I wondered after the disaster, and I’m still wondering is why commercial-grade zirconium is not used to produce hydrogen from geothermal steam sources?  Iceland for example has a surplus of geothermal energy but the only way to export it is to smelt aluminum source.  Iceland already has a developing hydrogen infrastructure source but it uses electrolysis. What if you put geothermal steam through a matrix of zirconium, captured the hydrogen produced, liquefied it, and shipped it elsewhere? I think it would be more energy efficient than electrolysis. Seriously, why is this not done?


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