Piezoelectric vibration energy harvesters with stretched and multistacked organic ferroelectric films
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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 2.5 µW/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.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 56 (4S), 04CL04-04CL04, 2017-04
The Japan Society of Applied Physics
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詳細情報 詳細情報について
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- CRID
- 1050575520346787072
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- NII論文ID
- 120006540102
- 210000147641
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- NII書誌ID
- AA12295836
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- ISSN
- 13474065
- 00214922
- http://id.crossref.org/issn/13474065
- http://id.crossref.org/issn/00214922
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- HANDLE
- 20.500.14094/90005404
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- IRDB
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