Multifunctional Woven Structure Operating as Triboelectric Energy Harvester, Capacitive Tactile Sensor Array, and Piezoresistive Strain Sensor Array.
Multifunctional Woven Structure Operating as Triboelectric Energy Harvester, Capacitive Tactile Sensor Array, and Piezoresistive Strain Sensor Array.
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DOI：
10.3390/s17112582
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发表时间：
2017-11-09
期刊：
影响因子：
--
通讯作者：
Yun KS
中科院分区：
文献类型：
--
作者：
Kim K;Song G;Park C;Yun KS
本文提出了一种灵活且可拉伸形式的发电传感器阵列。该设备由电阻式应变传感器、电容式触觉传感器和摩擦能量采集器组成，位于单一平台中。该装置通过使用所提出的功能线在机织织物结构中实现。单功能线由外表面涂有银纳米线的柔性空心管和管内的导电银线组成。该设备的总尺寸为 60 × 60 mm2，具有 5 × 5 传感器单元阵列。通过测量经向和纬向功能线之间的电容可以感测垂直方向的触摸力。此外，由于银纳米线层提供压阻性，因此可以通过测量每根线的电阻来检测横向施加的应变。最后，对于能量采集器，当设备沿垂直方向推动时，测得最大功率和功率密度分别为201 μW和0.48 W/m2。
This paper presents a power-generating sensor array in a flexible and stretchable form. The proposed device is composed of resistive strain sensors, capacitive tactile sensors, and a triboelectric energy harvester in a single platform. The device is implemented in a woven textile structure by using proposed functional threads. A single functional thread is composed of a flexible hollow tube coated with silver nanowires on the outer surface and a conductive silver thread inside the tube. The total size of the device is 60 × 60 mm2 having a 5 × 5 array of sensor cell. The touch force in the vertical direction can be sensed by measuring the capacitance between the warp and weft functional threads. In addition, because silver nanowire layers provide piezoresistivity, the strain applied in the lateral direction can be detected by measuring the resistance of each thread. Last, with regard to the energy harvester, the maximum power and power density were measured as 201 μW and 0.48 W/m2, respectively, when the device was pushed in the vertical direction.
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