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Politics : Formerly About Advanced Micro Devices
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To: d[-_-]b who wrote (349573)9/3/2007 12:20:16 PM
From: combjelly  Read Replies (2) of 1573909
 
"Hydrogen still requires 4 times the space to store the same amount of energy as gasoline"

That is a "it depends". If you are talking about compressing it in a tank, yeah. But there are a lot of reasons why that is a bad idea. Hydrogen embrittlement is only one.

A better idea is something like sodium borohydride solution. It is easy to get an equivalent energy density, and it is non-flammable and non-explosive. While the solution is mildly toxic and can cause skin inflammation, it isn't nearly as bad as gasoline. And when spent, the result is a borax solution, in other words a soapy solution. Which is very benign.

The only problem is there isn't an economical way to turn borax back into sodium borohydride.
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