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Evidence of Two‐Phase Formation upon Lithium Insertion into the Li1.33Ti1.67 O 4 Spinel
Abstract
Li 1.33 Ti 1.6 7 O 4 synthesized from Li 2 CO 3 and TiO 2 was electrochemically inserted with lithium at room temperature. The defect spinel Li 1.33 Ti 1.67 O 4 and the fully lithiated Li 2.33 Ti 1.67 O 4 with ordered rock‐salt‐type structure show nearly identical X‐ray diffractions. Due to similar lattice constants of both phases and the low scattering factor of the lithium ions, the identification of the insertion mechanism using X‐ray powder diffraction is possible only by using high angle X‐ray scans of several samples inserted with different amounts of lithium. Precise analysis of the obtained data supplies the evidence for the presence of two distinct phases which are mutually interconvertible upon lithium exchange. This result is in good agreement with electrochemical data postulating a two‐phase mechanism from the constant electrical potential found during cycling. © 1999 The Electrochemical Society. All rights reserved.
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Cited by
Chatenet, M., Pollet, B. G., Dekel, D. R., Dionigi, F., Deseure, J., Millet, P., Braatz, R. D., Bazant, M. Z., Eikerling, M., Staffell, I., et al. (2022) · Chemical Society Reviews · doi:10.1039/d0cs01079k · Cited by 2,025
New Generation “Nanohybrid Supercapacitor”
Naoi, K., Naoi, W., Aoyagi, S., Miyamoto, J.-I., & Kamino, T. (2013) · Accounts of Chemical Research · doi:10.1021/ar200308h · Cited by 587
Ab initio studies of structural and electronic properties of Li4Ti5O12 spinel
Ouyang, C. Y., Zhong, Z. Y., & Lei, M. S. (2007) · Electrochemistry Communications · doi:10.1016/j.elecom.2007.01.013 · Cited by 282
Horiba, T. (2014) · Proceedings of the IEEE · doi:10.1109/jproc.2014.2319832 · Cited by 218
Metadata
- Authors
- Scharner, S., Weppner, W., & Schmid‐Beurmann, P.
- Venue
- Journal of The Electrochemical Society
- Publisher
- The Electrochemical Society
- Published
- 1999-03-01
- Volume
- 146
- Issue
- 3
- Pages
- 857-861
- ISSN
- 0013-4651 (ISSN-L)
- 1945-7111
- OpenAlex
- W2171967860
- Cited by
- 538
- References
- 0
- FWCI
- 6.23
- Type
- journal article
- Language
- en
- Open access
- closed
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- Scharner, S., Weppner, W., & Schmid‐Beurmann, P. (1999). Evidence of Two‐Phase Formation upon Lithium Insertion into the Li1.33Ti1.67 O 4 Spinel. Journal of The Electrochemical Society. https://doi.org/10.1149/1.1391692
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