一个灵活的可穿戴的自我支的混合超级电容器设备,基于层次的,硫化@C电极
Xin Chen1, Ming Sun1, Fadi Jaber2,3
1Department of Mechanical Engineering, Heze University, Heze, Shandong, China.
Scientific reports
|September 20, 2023
概括
研究人员开发了超级电容器的碳纳米纤维上的柔性-硫化物 (NCS) 纳米线电极. 这种无粘合剂的设计为可穿戴电子产品提供了高容量和能量密度.
科学领域:
- 材料科学 材料科学 材料科学
- 电化学 电化学 电化学
- 纳米技术纳米技术
背景情况:
- 灵活的可穿戴电子产品需要先进的储能解决方案.
- 超级电容器提供高功率密度,但在能量密度和灵活性方面经常面临挑战.
研究的目的:
- 为超级电容器制造一种新的,无粘合剂的柔性电极材料.
- 在碳纳米纤维 (C) 上种植的-硫化物 (NCS) 纳米线的电化学性能研究.
主要方法:
- 在多孔碳纳米纤维上NCS纳米线的现场生长,使用循环电压计电位.
- 使用NCS@C-纳米薄膜阴极和活性碳阳极制造一个灵活的不对称超级电容器.
主要成果:
- 该NCS@C电极在2Ag-1时显示出334.7mAhg-1的特定容量,在40Ag-1时显示出242.0mAhg-1的特定容量 (72.3%的保留).
- 灵活的不对称超级电容器实现了能量和功率密度分别为12.91 Wh kg-1和358 W kg-1.
结论:
- 无粘合剂的NCS@C柔性电极由于协同效应和高效的电子传输,具有出色的电化学性能.
- 这种材料显示出灵活可穿戴储能设备的巨大潜力.
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