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Pressure-type generator for harvesting mechanical energy from human gait

Author

Listed:
  • Deng, Fang
  • Cai, Yeyun
  • Fan, Xinyu
  • Gui, Peng
  • Chen, Jie

Abstract

This paper proposes a pressure-type generator that collects human mechanical energy by stepping, a prototype is finally designed and manufactured. The proposed pressure-type generator has a volume of 82.8 cm3 when subjected to pressure. The average output power can reach to 97 mW when under the walking speed of 4 km/h. As a result we can get the power density of 1.17 mW/cm3, higher than most electromagnetically powered devices. Unlike some other generators, this pressure-type generator uses magnets as the recovery device, making the durability of the device better. And also, the wearable design is completely made to let the device can be comfortable used. Finally, we did a series of tests to prove that the device can have great power output performance in the low frequency environment of the human foot movement.

Suggested Citation

  • Deng, Fang & Cai, Yeyun & Fan, Xinyu & Gui, Peng & Chen, Jie, 2019. "Pressure-type generator for harvesting mechanical energy from human gait," Energy, Elsevier, vol. 171(C), pages 785-794.
    • Handle: RePEc:eee:energy:v:171:y:2019:i:c:p:785-794
    DOI: 10.1016/j.energy.2019.01.039
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    References listed on IDEAS

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    1. Lu, Zhisong & Zhang, Huihui & Mao, Cuiping & Li, Chang Ming, 2016. "Silk fabric-based wearable thermoelectric generator for energy harvesting from the human body," Applied Energy, Elsevier, vol. 164(C), pages 57-63.
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    4. Gui, Peng & Deng, Fang & Liang, Zelang & Cai, Yeyun & Chen, Jie, 2018. "Micro linear generator for harvesting mechanical energy from the human gait," Energy, Elsevier, vol. 154(C), pages 365-373.
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    Cited by:

    1. Liu, Mingyi & Qian, Feng & Mi, Jia & Zuo, Lei, 2022. "Biomechanical energy harvesting for wearable and mobile devices: State-of-the-art and future directions," Applied Energy, Elsevier, vol. 321(C).
    2. Arias, Francisco J. & De Las Heras, Salvador, 2019. "The use of compliant surfaces for harvesting energy from water streams," Energy, Elsevier, vol. 189(C).
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    4. Song, Gyeong Ju & Cho, Jae Yong & Kim, Kyung-Bum & Ahn, Jung Hwan & Song, Yewon & Hwang, Wonseop & Hong, Seong Do & Sung, Tae Hyun, 2019. "Development of a pavement block piezoelectric energy harvester for self-powered walkway applications," Applied Energy, Elsevier, vol. 256(C).

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