I am trying to figure out, how can we harvest energy using piezoelectric device without using any battery? In this regard, the river waves is trying to be considered as the source of mechanical energy to produce electrical signal. I am wondering how this energy could be stored?
Thank you in advance for your kind attention and time.
Dear Abhisheck,
One method is to convert this energy into hydrogen and then you can use the hydrogen as fuel for fuel cells. You need to feed the harvested energy to a water electrolyzer to produce hydrogen.
You can store it also in supercapacitors.
Best wishers.
Please feel free to download my lecture notes on wave energy harvesting and tidal energy harvesting. if directly used, the harvested energy could be stored in capacitors or rechargeable batteries.
PS: you can also download my lecture notes on the thermal energy conversion (TEC).
Hope this helps answer your question.
well, you can make use of the waves energy generated via the river water to apply stress on a piezoelectric beam which is then you need to rectify it and store it in capacitors.
Please feel free to have a look at the piezoelectric energy harvesting techniques as below:
Article Piezoelectric Pre-Stressed Bending Mechanism for Impact-Driv...
Article Application of Piezoelectric Energy Harvesting in Powering R...
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