期刊
ADVANCED FUNCTIONAL MATERIALS
卷 26, 期 39, 页码 7186-7194出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201602645
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资金
- National Natural Science Foundation of China [51132001, 51072003]
- Beijing Municipal Science and Technology Projects [Z131100003213020, Z151100003715003]
Conventionally, effective mechanical vibration energy harvesting is based on (Pb,Zr)TiO3 (PZT) ceramics, poly(vinylidene fluoride) (PVDF) polymers or PVDF/PZT or other piezoelectric composite materials, and their working temperature is normally limited to room temperature (R-T) or below 150 degrees C. Here, bismuth scandium lead titanate (BiScO3-PbTiO3, abbreviated as BSPT) ceramic is reported which has a high Curie temperature point around 450 degrees C and its application for high-temperature (H-T) vibration energy harvesting. Experimental results show that it exhibits an excellent H-T piezoelectricity, converting mechanical vibration energy into electric power effectively in a wide temperature range from R-T till 250 degrees C. This research shows the BSPT piezoelectric energy harvester having the potential application for self-power source of wireless sensor network system in high temperature circumstance.
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