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|Title:||Synthetic, structural, and electrochemical study of Monoclinic Na4Ti5O12 as a sodium-ion battery anode material|
Ben Yahia, H
|Citation:||Naeyaert, P. J. P., Avdeev, M., Sharma, N., Ben Yahia, H., & Ling, C. D. (2014). Synthetic, Structural, and Electrochemical Study of Monoclinic Na4Ti5O12 as a Sodium-Ion Battery Anode Material. Chemistry of Materials, 26(24), 7067-7072. doi:10.1021/cm5035358|
|Abstract:||The monoclinic phase of Na4Ti5O12 (M-Na4Ti5O12) has been investigated as a potential sodium-ion battery anode material. In contrast to the previously investigated trigonal phase (T-Na4Ti5O12), M-Na4Ti5O12 has continuous two-dimensional (2D) channels with partially occupied Na sites, providing broader pathways and more space for the intercalation of excess sodium. Electrochemical measurements show that it exhibits a comparable or higher reversible capacity than T-Na4Ti5O12. Neutron powder diffraction reveals the preferred sites and occupancies of the excess sodium. In situ synchrotron X-ray diffraction under electrochemical cycling shows that the crystal lattice undergoes strongly anisotropic volume changes during cycling. © 2014, American Chemical Society.|
|Gov't Doc #:||7241|
|Appears in Collections:||Journal Articles|
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