Lithium cation distribution and mobility in lithium inserted Li1+xNbWO6 (0 < x < 3) as promising host for lithium storage applications
Tetragonal LiNbWO6 with a trirutile structure has recently attracted interest as candidate for energy storage applications, with a high theoretical lithium storage capacity (282.4 mAh g-1) due to multielectron transfer, superior to state-of-the-art Li4Ti5O12 (175 mAh g-1). In contrast, the rhombohedral form shows limited lithium uptake. Previous in operando XRD study evidences several phase transformations in LiNbWO6-T upon Li insertion. So far, ND experiments on LiNbWO6 have only been carried out at room temperature. Furthermore, the crystallographic sites for lithium in intercalated Li1+xNbWO6 compounds have not been revealed yet. High-resolution neutron diffraction on Li1+xNbWO6 with different Li content and different temperatures enables us to accurately differentiate changes in the Li+ substructure including Li+ motion. D2B offers the suitable combination of high-flux and high-resolution for our experiment. We expect a significant improvement of the structure model for both LiNbWO6 and its lithiated derivatives concerning cation distribution (especially Li, O, Nb/W site disorder) and occupancies. This study will be completed by solid state NMR and electric characterization
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The recommended format for citing this dataset in a research publication is in the following format:
A Kuhn; DIAZ CARRASCO Pilar; GARCIA ALVARADO Flaviano and SUARD Emmanuelle. (2021). Lithium cation distribution and mobility in lithium inserted Li1+xNbWO6 (0 < x < 3) as promising host for lithium storage applications. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-23-760
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