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Comment: Re:Structure preserving? (Score 1) 60

by tsa (#47437391) Attached to: Sand-Based Anode Triples Lithium-Ion Battery Performance

I don't think it suggests that at all. It says the Mg is used to make porous silicon out of sand (neat trick), but nothing about how to prevent the porous silicon from reacting with oxygen from the air. So I take it you have to use the porous Si in an oxygen free environment. That shouldn't be too hard to make in a battery though.

Premature optimization is the root of all evil. -- D.E. Knuth

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