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Old 03-15-2009, 10:48 AM   #10 (permalink)
MPaulHolmes
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A multifunctional 3.5[thinsp]V iron-based phosphate cathode for rechargeable batteries : Abstract : Nature Materials

Hey, those guys are researching alternative cathodes because of the possible world Lithium shortage. They mention Sodium Iron Phosphate. The full article is $18 though.

Entropy Production: Sodium-ion Batteries

This guy provides a summary of the article.
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