挤压能量：可穿戴电子设备用Polymer压电薄膜挤压产生的功率建模
Crumpling for Energy: Modeling Generated Power from the Crumpling of Polymer Piezoelectric Foils for Wearable Electronics
摘要：
我们考虑在服装中嵌入大的聚合物压电片用于可穿戴电子应用的传感和能量收集的可能性。电力是由人体运动引起的衣服起皱产生的。从轻轻皱箔的力学，我们开发的开路电压和短路电流的理论模型和标度律，并通过实验验证。得出的结论是，拉伸是占主导地位的电荷产生机制与开路电压和短路电流缩放为$l^{i}$和$l^{i-1}(\mbox{d}l/\mbox{d}t)$，分别与$1\leq i\leq 4/3$和$l$的高度的压溃锥。
英文摘要：
We consider possibility of embedding large sheets of polymer piezoelectrics in clothing for sensing and energy harvesting for wearable electronic applications. Power is generated by the crumpling of clothes due to human body movements. From the mechanics of a gently crumpled foil we develop theoretical models and scaling laws for the open circuit voltage and short circuit current and verify via experiments. It is concluded that stretching is the dominant charge generation mechanism with the open circuit voltage and short circuit current scaling as $l^{i}$ and $l^{i-1}(\mbox{d}l/\mbox{d}t)$, respectively with $1\leq i\leq 4/3$ and $l$ the height of the crumple cone.
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