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Non-Tech : Alternative energy
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To: gg cox who wrote (4443)3/18/2008 4:02:54 PM
From: Eric  Read Replies (1) of 16955
 
VRB technology is pretty neat. I have followed them for years and driven by their plant in Richmond, B.C. The problem with their system is ability to go very large scale.

Salt storage actually works quite well and scales beautifully. They are doing this in Europe at the present time. The specific amount of energy stored will be much greater with molten salt.

The compressed air storage system that the Scientific American article proposes is actually very efficient. If you look at the email responses to the author's paper they discuss it at greater length. They propose to phase it out over time as other storage mediums become available.

In the end it would be nice to have efficient, compact battery designs with very high energy density, low weight and volume. These are coming but we have a ways to go for very large scale grid storage at this time.
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