Piezoelectric energy harvesting
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Polymer piezoelectric energy harvesters fabricated by tape casting method
▶ Fabrication of P(VDF-TrFE) thick films by tape casting
▶ Build-up prototype energy harvester with P(VDF-TrFE) films
▶ Voltage generation by bending test
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Piezoelectric energy harvesting (PEH) under wind flow
▶ We observed the relationship between output voltage and wind speed.
▶ We probed different vibration phenomenon with varied position of PEH relative to wind incident direction.
▶ We found out optimum output power under varied load resistance.
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Spring-type piezoelectric energy harvesters
▶ Three-dimensional energy harvester using dip-coating method & multi-directional electrode deposition
▶ Convert the mechanical energy into electricity via piezoelectric effect and amplified conversion
▶ Effectively generate electricity using low-frequency vibration energy abundant in the nature
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Metal foam energy harvesters
▶ Piezoelectric material coating on metal foam used as 3D structure bottom electrode
▶ Due to high specific surface area, increasing power density
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Presentation file
Dongjin Kim et al.,Piezoelectric energy harvesting:A spring type piezoelectric energy harvester, Sensors expo & conference, USA (2013)
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