Energy Harvesting From Piezoelectric Materials Fully Integrated in Footwear (original) (raw)
2010, IEEE Transactions on Industrial Electronics
In the last few years it has been an increasing demand of low power and portable energy sources due to the development and mass consumption of portable electronic devices. Further, the portable energy sources must be associated with environmental issues and imposed regulations. These demands support the research in the areas of portable energy generation methods. In this scope, piezoelectric materials become a strong candidate for energy generation and storage in future applications. This article describes the use of piezoelectric polymers in order to harvest energy from people walking and the fabrication of a shoe capable of generating and accumulating the energy. In this scope, electroactive E-PVDF used as energy harvesting element was introduced into a bicolor sole prepared by injection, together with the electronic needed to increase energy transfer and storage efficiency. An electrostatic generator was also included in order to increase energy harvesting. I. Device Energy Heart rate meter 3 J Respiratory rate meter 3 J MP3 Player 350 J Mobile phone (conversation) 2800 J Mobile phone (standby) 150 J ҏ Manuscript received ….
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