Tuesday, 8 December 2009

Sodium-ion Batteries: Interest Grows

Following on from my post last month regarding the upsurge of interest in Sodium-ion technology, 44 Tech, a start-up company based in Pittsburgh, PA, will receive $5 million from the U.S. Department of Energy, as part of the 2009 Recovery Act, to develop aqueous sodium-ion batteries. These cells will differ from the non-aqueous counterparts described by me in an earlier post, in that they will operate at much lower voltage (due to the limited voltage stability window of the electrolyte). On the positive side, if these systems can be demonstrated successfully, they may prove extremely safe and inexpensive.

The full story may be found here:


Jerry

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