Please use this identifier to cite or link to this item: https://apo.ansto.gov.au/dspace/handle/10238/7679
Title: Synthetic, structural, and electrochemical study of Monoclinic Na4Ti5O12 as a sodium-ion battery anode material
Authors: Pierre, JP
Naeyaert, PJP
Sharma, N
Yahia, HB
Ling, CD
Keywords: Monoclinic lattices
Sodium ions
Electrochemical cells
Nuetron diffraction
X-ray spectroscopy
Crystal lattices
Issue Date: 4-Dec-2014
Publisher: ACS Publications
Citation: Naeyaert, P. J. P., Avdeev, M., Sharma, N., Yahia, H. B., & 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
URI: http://dx.doi.org/10.1021/cm5035358
http://apo.ansto.gov.au/dspace/handle/10238/7679
ISSN: 1520-5002
Appears in Collections:Journal Articles

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