Northeastern University - Key Laboratory of Electromagnetic Processing of Materials; Northeastern University - Department of Material Physics and Chemistry
Northeastern University - Key Laboratory of Electromagnetic Processing of Materials; Northeastern University - Department of Material Physics and Chemistry
Northeastern University - Key Laboratory of Electromagnetic Processing of Materials; Northeastern University - Department of Material Physics and Chemistry
Northeastern University - Key Laboratory of Electromagnetic Processing of Materials; Northwestern Polytechnical University, China - State Key Laboratory of Solidification Processing; Northeastern University - Department of Material Physics and Chemistry
Northeastern University - Key Laboratory of Electromagnetic Processing of Materials
Abstract
A novel rare-earth-based YCxTδ two-dimensional metal carbides (MXene), with feather-like morphology and hexagonal structure, has been prepared by selective etching of a nanolaminated precursor YAl3C3 non-transition-metal-aluminium-carbides (non-MAX) phase. By analyzing the gas products and first-principle calculation, the chemical reaction is concluded. The YCxTδ MXene shows high reversible gravimetric specific capacity of ~84 mAh/g as Li ion battery anode and a specific capacitance of 18 F/g as electrode of super capacitors. These intriguing properties suggest the promising application potentials of high-abundance Y in energy storage.
Sun, Shuli and Yang, Jiaxin and Chen, Xiao and Cui, Weibin and Huang, Jianqi and Yang, Teng and Zhang, Zhidong and Wang, Qiang, A Novel Two-Dimensional Rare-Earth Carbide Synthesized by Selective Etching Al-C Slab from Nanolaminated YAl
3C
3. Available at SSRN: https://ssrn.com/abstract=3485108 or http://dx.doi.org/10.2139/ssrn.3485108
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