[News] Na-ion batteries get closer to replacing Li-ion batteries

Mar 03, 2015 by Lisa Zyga

Link to original article → http://phys.org/news/2015-03-na-ion-batteries-closer-li-ion.html

Currently, one of Na-ion's largest drawbacks is that the batteries take a long time to charge and discharge, and a slow discharge rate does not supply enough power density for high-power applications. In general, there is a tradeoff between the charge/discharge rate and capacity, so that attempts to increase the charge/discharge rate have resulted in severely reduced capacity...