Self‐Assembly of Porous Microstructured Polydimethylsiloxane Films for Wearable Triboelectric Nanogenerators,Macromolecular Materials and Engineering

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Self‐Assembly of Porous Microstructured Polydimethylsiloxane Films for Wearable Triboelectric Nanogenerators
Macromolecular Materials and Engineering ( IF 4.2 ) Pub Date : 2020-08-11 , DOI: 10.1002/mame.202000276
Yujue Yang ₁ , Titao Jing ₁ , Bingang Xu ₁

Affiliation

Triboelectric nanogenerator (TENG), a green energy harvester, can harvest mechanical energy from human motion to electric energy to be applied in wearable electronics and sensor network. Porous materials played an important role in enhancing electric performance of TENG. In this paper, Azobisisobutyronitrile (AIBN) is used as a self‐reactive agent to modify Polydimethylsiloxane (PDMS) to form a self‐assembled porous structure (PDMS‐N10 film) through the difference in temperature between PDMS pre‐curing and AIBN decomposition. The PDMS‐N10‐based TENG exhibits a 2.5‐fold and 2.7‐fold improvement in output voltage and current as compared with PDMS without modification respectively. In addition, 116 light‐emitting diodes could be lighted up and 22 µF capacitor is charged. The TENG is also used as a sensor or trigger device for sensing the movements of elbow, knee, wrist, or finger, which can be applied in wearable devices because of the flexibility and durability as well as low cost.

中文翻译：

可穿戴摩擦纳米发电机多孔微结构聚二甲基硅氧烷膜的自组装

摩擦电纳米发电机（TENG）是一种绿色能源收集器，可以将人体运动产生的机械能收集为电能，并将其应用于可穿戴电子设备和传感器网络中。多孔材料在增强TENG的电性能方面起着重要作用。本文使用偶氮二异丁腈（AIBN）作为自反应剂，通过PDMS预固化和AIBN分解之间的温差将聚二甲基硅氧烷（PDMS）改性以形成自组装的多孔结构（PDMS-N10膜）。与未经修改的PDMS相比，基于PDMS‐N10的TENG的输出电压和电流分别提高了2.5倍和2.7倍。此外，可以点亮116个发光二极管，并为22 µF电容器充电。

更新日期：2020-09-14

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