Cation ordering in the layered Li1+x(Ni0.425Mn0.425Co0.15)1−xO2 materials (x = 0 and 0.12) - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Power Sources Année : 2007

Cation ordering in the layered Li1+x(Ni0.425Mn0.425Co0.15)1−xO2 materials (x = 0 and 0.12)

Résumé

The layered Li1+x(Ni0.425Mn0.425Co0.15)1 − xO2 (x = 0 and 0.12) materials were prepared by a coprecipitation method. Their structure was investigated using the combination of X-ray and electron diffraction experiments. For both materials (x = 0 and 0.12), the electron diffraction patterns revealed an in-plane √3ahex. × √3ahex. superstructure in agreement with the ordering of the Li+, Ni2+, Ni3+, Mn4+ and Co3+ ions in the transition metal layers. The stoichiometry of these materials was not in agreement with an ideal ordering: the possible presence of point defects or of a domain microstructure was thus discussed...

Dates et versions

hal-00180354 , version 1 (18-10-2007)

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François Weill, Nicolas Tran, Laurence Croguennec, Claude Delmas. Cation ordering in the layered Li1+x(Ni0.425Mn0.425Co0.15)1−xO2 materials (x = 0 and 0.12). Journal of Power Sources, 2007, 172 (2), pp.893-900. ⟨10.1016/j.jpowsour.2007.05.090⟩. ⟨hal-00180354⟩

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