东华大学材料科学与工程学院,纤维材料改性国家重点实验室;
随着可穿戴领域的发展,满足穿戴设备的能量需求和实现数字信号无线传输技术变得尤为迫切。基于摩擦纳米发电机(TENG)技术的纤维及纤维组件,在能量收集和自供电领域展现出重要的应用前景。采用共轭静电纺丝技术连续制备聚偏二氟乙烯(PVDF)纳米包芯纱线,并通过扫描电镜(SEM)、X射线衍射仪(XRD)、傅里叶红外光谱仪(FTIR)及水接触角等方法对纤维结构和性能进行表征。以所制备的纳米包芯纱线为TENG的能量来源,结合电感电容(LC)谐振电路,构建无线传感织物。试验结果表明,这种摩擦电纱线不仅可数字刺绣,还具备136.2°的疏水接触角,并能与多种织物摩擦产生电荷,展现出优异的电学输出性能。此外,通过调控纤维刺绣图案和并联外部电容,能够区分谐振信号的频率,实现无线电话拨号功能。这种将纳米包芯纱线与LC谐振电路结合的方法为下一代自供电无线传感纺织品的设计提供了新的思考方向。
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基本信息:
DOI:10.19886/j.cnki.dhdz.2024.0088
中图分类号:TS106.4;TP212
引用信息:
[1]魏子君,杨伟峰,侯成义等.PVDF纳米包芯纱线的连续制备及其无线传感应用[J].东华大学学报(自然科学版),2025,51(01):1-7.DOI:10.19886/j.cnki.dhdz.2024.0088.
基金信息:
国家自然科学基金(52073057)