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In this paper, the lamellar fluorphlogopite was structurally modified by the adjustment of layer charge and the rare earth Eu3+ was doped to fluorphlogopite with a subsequent high temperature solid state reaction process. The structural modification involved a preliminary treatment of fluorphlogopite with HNO3 and oxalic acid to reduce the layer charge density, and part of the charge-reduced fluorphlogopite...
The synthesis and the electrochemical behavior of Al,Mg-doped NayTiO2, i.e. (Nay [Ti(1−x)Alx]O2, 0.05≤x≤0.40, and Nay [Ti(1−x)Mgx]O2, 0.15≤x≤0.35) layered oxide phases as potential anodes for Na-ion batteries have been investigated. They were synthesized by solid state route with controlled sodium vapor pressure in inert atmosphere. The study of the crystal structure by XRD revealed that a maximum...
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