Piezoelectric vibration energy harvesters with stretched and multistacked organic ferroelectric films

Tadao Kajihara; Yoshikazu Ueno; Yuichi Tsujiura; Yasuko Koshiba; Masahiro Morimoto; Isaku Kanno; Kenji Ishida

doi:10.7567/JJAP.56.04CL04

Piezoelectric vibration energy harvesters with stretched and multistacked organic ferroelectric films

Tadao Kajihara, Yoshikazu Ueno, Yuichi Tsujiura, Yasuko Koshiba, Masahiro Morimoto, Isaku Kanno, Kenji Ishida

工学科　電気電子工学コース

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

8 被引用数 (Scopus)

抄録

We investigated piezoelectric vibration energy harvesters with poly(vinylidene fluoride/trifluoroethylene) films and the improved power generation from using multistacked and stretched ferroelectric films on the cantilevers. The energy harvesters generated electric power with a resonant frequency of approximately 25 Hz, which corresponded to the ambient vibration. The power density of four-layered harvesters was estimated to be 2.5μW/m3, which was larger than the power density of previous harvesters. The output power of stretched-film harvesters was 3.6 times the output obtained from unstretched films. In addition, because organic ferroelectric films are flexible, the resonant frequency of each harvester was practically constant even when using the techniques of multistacking and stretching.

本文言語	英語
論文番号	04CL04
ジャーナル	Japanese Journal of Applied Physics
巻	56
号	4
DOI	https://doi.org/10.7567/JJAP.56.04CL04
出版ステータス	出版済み - 2017/04

ASJC Scopus 主題領域

工学一般
物理学および天文学一般

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10.7567/JJAP.56.04CL04

引用スタイル

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title = "Piezoelectric vibration energy harvesters with stretched and multistacked organic ferroelectric films",

abstract = "We investigated piezoelectric vibration energy harvesters with poly(vinylidene fluoride/trifluoroethylene) films and the improved power generation from using multistacked and stretched ferroelectric films on the cantilevers. The energy harvesters generated electric power with a resonant frequency of approximately 25 Hz, which corresponded to the ambient vibration. The power density of four-layered harvesters was estimated to be 2.5μW/m3, which was larger than the power density of previous harvesters. The output power of stretched-film harvesters was 3.6 times the output obtained from unstretched films. In addition, because organic ferroelectric films are flexible, the resonant frequency of each harvester was practically constant even when using the techniques of multistacking and stretching.",

author = "Tadao Kajihara and Yoshikazu Ueno and Yuichi Tsujiura and Yasuko Koshiba and Masahiro Morimoto and Isaku Kanno and Kenji Ishida",

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T1 - Piezoelectric vibration energy harvesters with stretched and multistacked organic ferroelectric films

AU - Kajihara, Tadao

AU - Ueno, Yoshikazu

AU - Tsujiura, Yuichi

AU - Koshiba, Yasuko

AU - Morimoto, Masahiro

AU - Kanno, Isaku

AU - Ishida, Kenji

PY - 2017/4

Y1 - 2017/4

N2 - We investigated piezoelectric vibration energy harvesters with poly(vinylidene fluoride/trifluoroethylene) films and the improved power generation from using multistacked and stretched ferroelectric films on the cantilevers. The energy harvesters generated electric power with a resonant frequency of approximately 25 Hz, which corresponded to the ambient vibration. The power density of four-layered harvesters was estimated to be 2.5μW/m3, which was larger than the power density of previous harvesters. The output power of stretched-film harvesters was 3.6 times the output obtained from unstretched films. In addition, because organic ferroelectric films are flexible, the resonant frequency of each harvester was practically constant even when using the techniques of multistacking and stretching.

AB - We investigated piezoelectric vibration energy harvesters with poly(vinylidene fluoride/trifluoroethylene) films and the improved power generation from using multistacked and stretched ferroelectric films on the cantilevers. The energy harvesters generated electric power with a resonant frequency of approximately 25 Hz, which corresponded to the ambient vibration. The power density of four-layered harvesters was estimated to be 2.5μW/m3, which was larger than the power density of previous harvesters. The output power of stretched-film harvesters was 3.6 times the output obtained from unstretched films. In addition, because organic ferroelectric films are flexible, the resonant frequency of each harvester was practically constant even when using the techniques of multistacking and stretching.

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VL - 56

JO - Japanese Journal of Applied Physics

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Piezoelectric vibration energy harvesters with stretched and multistacked organic ferroelectric films

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