| Project/Area Number |
26630313
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Inorganic materials/Physical properties
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| Research Institution | Nagoya Institute of Technology |
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Principal Investigator |
Kakimoto Ken-ichi 名古屋工業大学, 工学(系)研究科(研究院), 教授 (40335089)
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| Research Collaborator |
KATO Minato
MATSUBARA Norihisa
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Keywords | 環境材料 / セラミックス / 電子・電気材料 / 無鉛圧電体 / 振動力発電 |
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| Outline of Final Research Achievements |
A new energy harvester devise using ambient vibrations, which basically compose of nonwoven fabric structure, has been proposed for the first time to realize a minus Poisson ratio of the devise frame macroscopically by using its unique pseudo-auxetic behavior. A layer-by-layer structure of nonwoven fabrics and dense layers, where lead-free piezoelectric particles were dispersed homogeneously in both insides, led to a success that the device could stretch in-plane direction significantly as well as be flexible in a thickness mode even under high-temperature operation to obtain a maximized energy output. It was therefore concluded that an extension such as heat resistant properties was yielded newly in the future application of vibration-oriented energy harvesting.
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