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Na2 + 2xFe2-x (SO4)3 (NFS) holds great promise as the cathode material for room-temperature sodium-ion batteries. However, large-scale application of NFS is highly impeded by its low electrical conductivity, which leads to poor cyclability and rate capability. To address these issues, we introduce rice husk-derived carbon with engineered porosity and structure as carrier to load active material NFS...
Here, we report the preparation of carbon-coated cobalt-doped olivine nanoparticles (LiFePO4/C) by the citrate gel precursor combustion method. The major contribution of this work is to reveal insights and side effects of cobalt doping, not only in the structure, microstructure, and electrochemical performance of olivine nanoparticles, but also in the consequences on the carbon coating characteristics...
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