用于按钮能量收集器的全聚合物软x射线充电压电体

2021 21st International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers) Pub Date : 2021-06-20 DOI:10.1109/Transducers50396.2021.9495733

Jia Lu, Yuji Suzuki

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引用次数: 0

摘要

利用空荷多孔聚合物制备的压电极体因其具有较高的压电系数而备受关注。在本研究中，提出了一种新型的全聚合物软x射线多层压电极体用于按钮能量收集。该原型是使用带有图案间隙控制突起的聚苯乙烯-c结构层、浸涂PEDOT:PSS电极和浸涂聚合物驻极体层进行微加工的。在目前的原型中，单次推力仅为1.3 N，就可以获得高达24.6µJ的电能，对应于创纪录的105 nC/N的压电系数d33，比传统的基于mems的压电体高30倍。

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All-Polymer Soft-X-Ray-Charged Piezoelectret for Push-Button Energy Harvester

Piezoelectret using space-charged porous polymers attracts much attention due to its high piezoelectric coefficient. In the present study, a novel all-polymer soft-X-ray-charged multilayer piezoelectret is proposed for push-button energy harvesting. The prototype is microfabricated using a parylene-C structural layer with patterned gap-control protrusions, dip-coated PEDOT:PSS electrode, and a dip-coated polymer electret layer. With the current prototype, up to 24.6 µJ electrical energy has been obtained with a single pushing force of only 1.3 N, corresponding to a record-high piezoelectric coefficient d33 of 105 nC/N, 30 times higher than conventional MEMS-based piezoelectrets.

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来源期刊

2021 21st International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers)

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