Recent progress on flexible poly(vinylidene fluoride)-based piezoelectric nanogenerators for energy harvesting and self-powered electronic applications

Zhifang Zheng, Xiuchen Wang, Gege Hang, Jin Duan, Jian Zhang, Wenjing Zhang and Zhe Liu

Renewable and Sustainable Energy Reviews, 2024, vol. 193, issue C

Abstract: For solving the problem of powering wearable electronic devices, flexible poly(vinylidene fluoride) (PVDF)-based piezoelectric nanogenerators (PENGs) developed by integrating PVDF-based PENGs with textiles are becoming a lightweight, green, and sustainable energy solution but show low piezoelectricity. This study reviews and critically discusses the recent advances in flexible PVDF-based PENGs for energy harvesting and self-powered electronic applications. The key to improving the piezoelectric output performance of PVDF-based materials is to increase the β content. Electrospinning can improve the β content; thus, electrospun composite fiber-based PENGs exhibit high output performance. 3D printing can realize self-poling PVDF-based PENGs, which provides a new approach to free-poling piezoelectric devices. In addition, yarn-based PENGs have the advantages of processability and structural versatility compared to fabric-based PENGs, which may become an important research direction in this field. PVDF-based PENGs are widely used in self-powered sensors, and wearability and sensitivity should be further investigated in the future based on the improvement of output performance.

Keywords: Poly(vinylidene fluoride); Piezoelectric nanogenerator; Self-powered; Energy harvesting; Textile; Fibers (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.rser.2024.114285

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