纳克尔灵感的强MXene/纤维素纤维具有优越的超容性性能,通过协同利用界面粘合和层间间距离
Huifang Wang1, Yurong Wang1, Jin Chang1
1School of Flexible Electronics (Future Technologies) & Institute of Advanced Materials, Nanjing Tech University, Nanjing 211816, People's Republic of China.
Nano letters
|June 13, 2023
概括
研究人员开发了纳克尔灵感的MXene (碳化) 纤维,用于先进的能量存储. 这些混合纤维显著提高了可穿戴电子产品的机械强度,电容和性能.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 储能 储能 储能 储能 储能 储能
背景情况:
- MXene纤维提供良好的电导率和高理论电容,用于可穿戴的能量存储.
- 提高MXene纤维的机械强度和性能对于实际应用至关重要.
研究的目的:
- 为了提高MXene纤维的机械强度,体积容量和速率性能.
- 开发一种以NACRE为灵感的策略,以协同改进MXene纤维特性.
- 探索这些混合纤维在可穿戴电子产品的纤维超级电容器中的潜力.
主要方法:
- 采用一种以NACRE为灵感的策略,优化Ti3C2TX纳米板的界面相互作用和层间距.
- 混合纤维 (M-CMC-1.0%) 与高MXene负载 (99重 %) 的制造.
- 评估了混合纤维和纤维超级电容器的机械,电化学和速率性能.
主要成果:
- 优化的混合纤维 (M-CMC-1.0%) 实现了约81MPa的抗拉强度.
- 在1 A cm-3下显示了885.0 F cm-3的高特异电容和出色的速率性能 (10 A cm-3下保持83.6%).
- 由此产生的光纤超级电容器的输出电容量为199.5 F cm-3 ,功率密度为1186.9 mW cm-3 ,能量密度为17.7 mWh cm-3.
结论:
- 这种以nacre为灵感的策略有效地协同界面相互作用和层间距离,以获得卓越的MXene纤维性能.
- 开发的混合纤维显示出高性能,灵活和可穿戴的储能设备的巨大潜力.
- 这些先进材料为下一代便携式电子产品和智能织品铺平了道路.
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