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Phase Diagram of Li[sub x]FePO[sub 4]
Abstract
The phase diagram for Li x Fe P O 4 has been determined for different lithium concentrations and temperatures. The two low-temperature phases, heterosite and triphylite, have previously been shown to transform to a disordered solid solution at elevated temperatures. This disordered phase allows for a continuous transition between the heterosite and triphylite phases and is stable at relatively low temperatures. At intermediate temperatures the proposed phase diagram resembles a eutectoid system, with eutectoid point at around x = 0.6 and 200 ° C . Kinetics of mixing and unmixing transformations are reported, including the hysteresis between heating and cooling. The enthalpy of this transition is at least 700 J ∕ mol .
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Cited by
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Deng, B., Zhong, P., Jun, K., Riebesell, J., Han, K., Bartel, C. J., & Ceder, G. (2023) · Nature Machine Intelligence · doi:10.1038/s42256-023-00716-3 · Cited by 944
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Liu, H., Strobridge, F. C., Borkiewicz, O. J., Wiaderek, K. M., Chapman, K. W., Chupas, P. J., & Grey, C. P. (2014) · Science · doi:10.1126/science.1252817 · Cited by 622
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Metadata
- Authors
- Dodd, J. L., Yazami, R., & Fultz, B.
- Venue
- Electrochemical and Solid-State Letters
- Publisher
- The Electrochemical Society
- Published
- 2006
- Volume
- 9
- Issue
- 3
- Pages
- A151
- ISSN
- 1099-0062 (ISSN-L)
- OpenAlex
- W2481085855
- Cited by
- 163
- References
- 0
- FWCI
- 11.81
- Type
- journal article
- Language
- en
- Open access
- closed
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- Dodd, J. L., Yazami, R., & Fultz, B. (2006). Phase Diagram of Li[sub x]FePO[sub 4]. Electrochemical and Solid-State Letters. https://doi.org/10.1149/1.2164548
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