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A general Lewis acidic etching route for preparing MXenes with enhanced electrochemical performance in non-aqueous electrolyte
Open accessAbstract
Two-dimensional carbides and nitrides of transition metals, known as MXenes, are a fast-growing family of materials that have attracted attention as energy storage materials. MXenes are mainly prepared from Al-containing MAX phases (where A = Al) by Al dissolution in F-containing solution; most other MAX phases have not been explored. Here a redox-controlled A-site etching of MAX phases in Lewis acidic melts is proposed and validated by the synthesis of various MXenes from unconventional MAX-phase precursors with A elements Si, Zn and Ga. A negative electrode of Ti 3 C 2 MXene material obtained through this molten salt synthesis method delivers a Li + storage capacity of up to 738 C g −1 (205 mAh g −1 ) with high charge–discharge rate and a pseudocapacitive-like electrochemical signature in 1 M LiPF 6 carbonate-based electrolyte. MXenes prepared via this molten salt synthesis route may prove suitable for use as high-rate negative-electrode materials for electrochemical energy storage applications. Two-dimensional transition metal carbides and nitrides, known as MXenes, are currently considered as energy storage materials. A generic Lewis acidic etching route for preparing high-rate negative-electrode MXenes with enhanced electrochemical performance in non-aqueous electrolyte is now proposed.
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Cites
Degradation diagnostics for lithium ion cells
Birkl, C. R., Roberts, M. R., McTurk, E., Bruce, P. G., & Howey, D. A. (2017) · Journal of Power Sources · doi:10.1016/j.jpowsour.2016.12.011 · Cited by 1,945
Cited by
Ten Years of Progress in the Synthesis and Development of MXenes
Naguib, M., Barsoum, M. W., & Gogotsi, Y. (2021) · Advanced Materials · doi:10.1002/adma.202103393 · Cited by 1,257
Recent Advances in Oxidation Stable Chemistry of 2D MXenes
Cao, F., Zhang, Y., Wang, H., Khan, K., Tareen, A. K., Qian, W., Zhang, H., & Ågren, H. (2022) · Advanced Materials · doi:10.1002/adma.202107554 · Cited by 648
Ambient‐Stable Two‐Dimensional Titanium Carbide (MXene) Enabled by Iodine Etching
Shi, H., Zhang, P., Liu, Z., Park, S., Lohe, M. R., Wu, Y., Shaygan Nia, A., Yang, S., & Feng, X. (2021) · Angewandte Chemie International Edition · doi:10.1002/anie.202015627 · Cited by 459
High‐Entropy Atomic Layers of Transition‐Metal Carbides (MXenes)
Du, Z., Wu, C., Chen, Y., Cao, Z., Hu, R., Zhang, Y., Gu, J., Cui, Y., Chen, H., Shi, Y., et al. (2021) · Advanced Materials · doi:10.1002/adma.202101473 · Cited by 322
MXenes Antibacterial Properties and Applications: A Review and Perspective
Seidi, F., Arabi Shamsabadi, A., Dadashi Firouzjaei, M., Elliott, M., Saeb, M. R., Huang, Y., Li, C., Xiao, H., & Anasori, B. (2023) · Small · doi:10.1002/smll.202206716 · Cited by 291
Metadata
- Authors
- Li, Y., Shao, H., Lin, Z., Lu, J., Liu, L., Duployer, B., Persson, P. O. Å., Eklund, P., Hultman, L., Li, M., Chen, K., Zha, X.-H., Du, S., Rozier, P., Chai, Z., Raymundo-Piñero, E., Taberna, P.-L., Simon, P., & Huang, Q.
- Venue
- Nature Materials
- Published
- 2020-04-13
- Volume
- 19
- Issue
- 8
- Pages
- 894-899
- ISSN
- 1476-1122 (ISSN-L)
- 1476-4660
- OpenAlex
- W3016170263
- Cited by
- 1,657
- References
- 1
- FWCI
- 75.23
- Type
- journal article
- Language
- en
- Open access
- green
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- Li, Y., Shao, H., Lin, Z., Lu, J., Liu, L., Duployer, B., Persson, P. O. Å., Eklund, P., Hultman, L., Li, M., Chen, K., Zha, X.-H., Du, S., Rozier, P., Chai, Z., Raymundo-Piñero, E., Taberna, P.-L., Simon, P., & Huang, Q. (2020). A general Lewis acidic etching route for preparing MXenes with enhanced electrochemical performance in non-aqueous electrolyte. Nature Materials. https://doi.org/10.1038/s41563-020-0657-0
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