New solid State Rechargable Battery

October 17, 2013 - via Solid Power

A solid-state rechargeable battery developed at the University of Colorado, Boulder, could double the range of electric vehicles, according to engineers at Solid Power LLC, a UC-Boulder spinoff intended to develop and commercialize the battery. Unlike current lithium-ion batteries -- which use a liquid electrolyte between the anode and cathode -- the battery uses a ceramic electrolyte and an all-solid-state composite cathode based on a low-cost iron-sulfur chemistry (see figure below). Prototypes for field testing are expected within 18 and 24 months.


The technology behind Solid Power's solid-state battery features a cathode chemistry that forms a composite cathode with a capacity said to be nearly triple that used in lithium-ion batteries. For more, see the presentation, "Solid State Cell Chemistries and Designs" by Solid Power co-founder Dr. SeHee Lee.

External link: http://www.eetimes.com/document.asp?doc_id=1319817

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