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Footstep Energy Harvesting with the Magnetostrictive Fiber Integrated Shoes

Wearable energy harvesting devices attract attention as the devices provide electrical power without inhibiting user mobility and independence. While the piezoelectric materials integrated shoes have been considered as wearable energy harvesting devices for a long time, they can lose their energy ha...

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Detalles Bibliográficos
Autores principales: Kurita, Hiroki, Katabira, Kenichi, Yoshida, Yu, Narita, Fumio
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6651213/
https://www.ncbi.nlm.nih.gov/pubmed/31247993
http://dx.doi.org/10.3390/ma12132055
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author Kurita, Hiroki
Katabira, Kenichi
Yoshida, Yu
Narita, Fumio
author_facet Kurita, Hiroki
Katabira, Kenichi
Yoshida, Yu
Narita, Fumio
author_sort Kurita, Hiroki
collection PubMed
description Wearable energy harvesting devices attract attention as the devices provide electrical power without inhibiting user mobility and independence. While the piezoelectric materials integrated shoes have been considered as wearable energy harvesting devices for a long time, they can lose their energy harvesting performance after being used several times due to their brittleness. In this study, we focused on Fe–Co magnetostrictive materials and fabricated Fe–Co magnetostrictive fiber integrated shoes. We revealed that Fe–Co magnetostrictive fiber integrated shoes are capable of generating 1.2 µJ from 1000 steps of usual walking by the Villari (inverse magnetostrictive) effect. It seems that the output energy is dependent on user habit on ambulation, not on their weight. From both a mechanical and functional point of view, Fe–Co magnetostrictive fiber integrated shoes demonstrated stable energy harvesting performance after being used many times. It is likely that Fe–Co magnetostrictive fiber integrated shoes are available as sustainable and wearable energy harvesting devices.
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spelling pubmed-66512132019-08-07 Footstep Energy Harvesting with the Magnetostrictive Fiber Integrated Shoes Kurita, Hiroki Katabira, Kenichi Yoshida, Yu Narita, Fumio Materials (Basel) Communication Wearable energy harvesting devices attract attention as the devices provide electrical power without inhibiting user mobility and independence. While the piezoelectric materials integrated shoes have been considered as wearable energy harvesting devices for a long time, they can lose their energy harvesting performance after being used several times due to their brittleness. In this study, we focused on Fe–Co magnetostrictive materials and fabricated Fe–Co magnetostrictive fiber integrated shoes. We revealed that Fe–Co magnetostrictive fiber integrated shoes are capable of generating 1.2 µJ from 1000 steps of usual walking by the Villari (inverse magnetostrictive) effect. It seems that the output energy is dependent on user habit on ambulation, not on their weight. From both a mechanical and functional point of view, Fe–Co magnetostrictive fiber integrated shoes demonstrated stable energy harvesting performance after being used many times. It is likely that Fe–Co magnetostrictive fiber integrated shoes are available as sustainable and wearable energy harvesting devices. MDPI 2019-06-26 /pmc/articles/PMC6651213/ /pubmed/31247993 http://dx.doi.org/10.3390/ma12132055 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Communication
Kurita, Hiroki
Katabira, Kenichi
Yoshida, Yu
Narita, Fumio
Footstep Energy Harvesting with the Magnetostrictive Fiber Integrated Shoes
title Footstep Energy Harvesting with the Magnetostrictive Fiber Integrated Shoes
title_full Footstep Energy Harvesting with the Magnetostrictive Fiber Integrated Shoes
title_fullStr Footstep Energy Harvesting with the Magnetostrictive Fiber Integrated Shoes
title_full_unstemmed Footstep Energy Harvesting with the Magnetostrictive Fiber Integrated Shoes
title_short Footstep Energy Harvesting with the Magnetostrictive Fiber Integrated Shoes
title_sort footstep energy harvesting with the magnetostrictive fiber integrated shoes
topic Communication
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6651213/
https://www.ncbi.nlm.nih.gov/pubmed/31247993
http://dx.doi.org/10.3390/ma12132055
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