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In this work, Na2Li2Ti6O14 and its Li-site substitution Na2Li1.9M0.1Ti6O14 (Mn+ = Na+, Mg2+, Cr3+, Ti4+, V5+) samples are synthesized by a simple solid state reaction route and evaluated as anode materials for lithium-ion batteries. Their crystal structures and ion doping behaviors are described and verified by Rietveld refinement. Electrochemical results exhibit that Na+, Mg2+ and Cr3+ dopings can...
Li2Na2Ti6O14 and its Ti-site substitution Li2Na2Ti5.9M0.1O14 (M = Al, Zr, V) are prepared by a solid-state reaction method and used as anode materials for lithium-ion batteries. It is found that metal doping can effectively enhance the electronic conductivity and ionic diffusion coefficient of Li2Na2Ti6O14. Especially for Li2Na2Ti5.9Al0.1O14, it reveals the highest electronic conductivity (1.02 × 10...
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