New nanoparticle copper compound cathode could enable low-cost, long-life and high-power potassium-ion batteries for grid storage
Green Car Congress
NOVEMBER 24, 2011
To maximize the benefit of the open structure, the researchers needed to use ions that fit; hydrated potassium ions proved to be a much better fit compared with other hydrated ions such as sodium and lithium. Potassium will just zoom in and zoom out, so you can have an extremely high-power battery. —Yi Cui. —Colin Wessells.
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