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
A team at Stanford led by Prof. Yi Cui has developed nanoparticle copper hexacyanoferrate (CuHCF) battery cathode materials that demonstrate long cycle life and high power for use in grid storage applications. In a paper in Nature Communications , they report that after 40,000 deep discharge cycles at a 17?C rate, 83% of the original capacity of copper hexacyanoferrate is retained.
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