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Noncontact Triboelectric Nanogenerator for Human Motion Monitoring and Energy Harvesting
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Maskinelement. Theory of Lubrication and Bearing Institute, Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, Xi'an Jiaotong University, Xi'an, PR China.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Maskinelement.ORCID-id: 0000-0001-8157-4644
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Maskinelement.ORCID-id: 0000-0001-6085-7880
2020 (Engelska)Ingår i: Nano Energy, ISSN 2211-2855, E-ISSN 2211-3282, Vol. 69, artikel-id 104390Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Monitoring human motion and harvesting its energy is an interesting and important topic. Triboelectric nanogenerators (TENGs) have shown their potential for signal detecting and energy harvesting. In this paper, a noncontact paper-based TENG is creatively proposed to be used as a self-powered human motion monitoring sensor and also to be used for human motion energy harvesting. The noncontact mode avoids the requirement of direct physical contact between the TENG and the human subject, which fascinates the application of TENG and can increase its service life. It is found that the walking gait cycle (leg raising and falling), moving direction, walking or running speed and moving path can be reflected by the output voltage signals directly and clearly. Noncontact human motion energy harvesting is also achieved by using this TENG with a rectification circuit. It is also surprisingly found that this TENG is able to detect human motion even through a building wall, and the output voltage is strong enough to be captured by a normal multimeter without any additional amplification circuit. This study opens up a new method for self-powered noncontact human movement detecting and monitoring.

Ort, förlag, år, upplaga, sidor
Elsevier, 2020. Vol. 69, artikel-id 104390
Nyckelord [en]
noncontact, self-powered, human motion monitoring, triboelectric nanogenerator, energy harvesting
Nationell ämneskategori
Tribologi (ytteknik omfattande friktion, nötning och smörjning)
Forskningsämne
Maskinelement
Identifikatorer
URN: urn:nbn:se:ltu:diva-77218DOI: 10.1016/j.nanoen.2019.104390ISI: 000513814400044Scopus ID: 2-s2.0-85076430364OAI: oai:DiVA.org:ltu-77218DiVA, id: diva2:1380401
Anmärkning

Validerad;2020;Nivå 2;2020-01-27 (johcin)

Tillgänglig från: 2019-12-18 Skapad: 2019-12-18 Senast uppdaterad: 2020-03-13Bibliografiskt granskad

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Xi, YinhuHua, JingShi, Yijun

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