Ben Zarzycki wrote:
The point of electrolysis is not that it is cheaper (although it may be if
we had an abundance of clean energy such as solar cells). The point is
that is creates a clean "hydrogen cycle" that is not dependent on plants.
Water is split. Water is made. No intermediary steps. This is not the case
for any other method.
Why is 'not using plants' a desideratum? What are we, some religious sect
that cannot tolerate the killing of our leafy brethren?
The problem with solar cells is not that we don't have an abundance of solar
energy. The problem is that solar cells are Really Expensive, currently an
order of magnitude or more too expensive.
There's another objection to electrolysis, btw: if you have large scale
electrolysis, it's rather easy to modify the system to produce a side stream
of heavy water (H comes off much faster than D in an electrolytic cell, with
a separation factor of something like 7.) So large scale electrolysis means
any country can have a clandestine plutonium production program for little
extra cost.
This is way off topic, so I'll retreat to private email after this.
Paul
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