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
Short-term transients, including those related to wind and solar sources, present challenges to the electrical grid. 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.
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