High-energy lithium-ion battery using substituted LiCoPO4: From coin type to 1 Ah cell

2018 
Abstract Cr, Fe and Si were added to improve the performance of olivine LiCoPO 4 in cathodes for lithium-ion batteries. A substituted-LiCoPO 4 in a half cell delivered a reversible capacity of 125 mAh/g at C/3 rate, with no capacity loss after over 100 cycles at 25 °C. The well-known capacity fade of LiCoPO 4 -based cathodes was almost completely eliminated by substituting Cr, Fe and Si.
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