PAN/MXene:用于自充超级电容器的强大的压电基因和压电电离子器
Jayashree Chandrasekar1, Manikandan Venkatesan1, Chen-Wei Fan1
1Department of Molecular Science and Engineering, Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei 10608, Taiwan. kuocc@mail.ntut.edu.tw.
研究人员使用碳化聚烯二/MXene (C-PMX) 纳米纤维开发了一种自我充电的压力超级电容器设备 (SCPS). 这种集成的能源采集和储存系统为未来的自动供电电子产品提供了一个有前途的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 储能 储能 储能 储能 储能 储能
- 纳米技术 纳米技术
背景情况:
- 集成的能源采集和储存对于自动供电的电子设备至关重要.
- 目前的设备在实现高效的自我充电能力方面存在局限性.
研究的目的:
- 开发和描述一种新型的自充电压超电容器装置 (SCPS).
- 研究基于C-PMX纳米纤维的组件的能量收集和储存性能.
主要方法:
- 使用碳化聚烯二/MXene (C-PMX) 纳米纤维电极和PVA/KOH凝电解质制造SCPS.
- 具有不同PMX含量的压电纳米发电机 (PNG) 性能的表征.
- 评估SCPS电容,能量密度和功率密度.
- 在压缩和点击下对自动充电能力的评估.
主要成果:
- 基于PMX-3%的PNG实现了9.9V的最大输出电压,电流为1124nA,功率密度为9.6μW cm-2.
- 该SCPS显示了100.5Fg-1的特定电容,在300W kg-1时的能量密度为5Wh kg-1和92%的电容保留.
- 在0.2秒内,SCPS-CF表现出高达250微伏的快速充电.
结论:
- 开发的SCPS有效地整合了能源采集和储存功能.
- 基于纳米纤维的C-PMX设备显示了自动供电电子应用的巨大潜力.
- 这项工作为先进的能源解决方案的压电化学转换提供了新的见解.
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