Achieving high yield of Ti3C2T MXene few-layer flakes with enhanced pseudocapacior performance by decreasing precursor size
| Autor: | Zhihan Shen, Zhu Jiale, Dan Yang, Wei Yao, Wu Haijiang, Zexin Guan, Jianguang Xu, Gong Chen |
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| Rok vydání: | 2020 |
| Předmět: |
Materials science
02 engineering and technology General Chemistry Raw material 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences 0104 chemical sciences Effective mass (solid-state physics) Chemical engineering Electrical resistivity and conductivity Electrode Pseudocapacitor Electronic conductivity 0210 nano-technology |
| Zdroj: | Chinese Chemical Letters. 31:1039-1043 |
| ISSN: | 1001-8417 |
| DOI: | 10.1016/j.cclet.2020.02.050 |
| Popis: | Ti3C2Tx, a most studied member of MXene family, shows promise as a candidate electrode for pseudocapacitor due to its electronic conductivity and hydrophilic surface. However, the unsatisfactory yield of Ti3C2Tx few-layer flakes significantly restricted it in real applications. Here, we proposed a simple solution to boost the yield of Ti3C2Tx few-layer flakes by decreasing precursor size. When using the small 500 mesh Ti3AlC2 powders as raw material, high yield of 65% was successfully achieved. Moreover, the as-received small flakes also exhibit an enhanced pseudocapacior performance owing to their excellent electrical conductivity, expanded interlayer space and more O content on the surface. This work not only sheds light on the cost effective mass production of Ti3C2Tx few-layer flakes, but also provides an efficient solution for the design of MXene electrodes with high pseudocapacior performance. |
| Databáze: | OpenAIRE |
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