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Eco-Efficient Synthesis of LiFePO[sub 4] with Different Morphologies for Li-Ion Batteries

Abstract : Formula is presently the most studied electrode material for battery applications. It can be prepared via solution, although it requires well-controlled pH conditions to master the iron valence state in the newly created material. Here we report its synthesis via the use of “latent bases” capable of releasing a nitrogen base upon heating. This way of controlling the reaction pH enables, in the absence of excess Li, the preparation of Formula -free Formula powders having various morphologies and showing good electrochemical performance. This approach is shown to offer great opportunities for the low-temperature synthesis of various electrode materials.
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Nadir Recham, Michel Armand, Lydia Laffont-Dantras, Jean‐marie Tarascon. Eco-Efficient Synthesis of LiFePO[sub 4] with Different Morphologies for Li-Ion Batteries. Electrochemical and Solid-State Letters, Electrochemical Society, 2008, vol. 12 (n° 2), pp.A39-A44. ⟨10.1149/1.3039090⟩. ⟨hal-01164609⟩

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