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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201907948
|2 doi
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|a pubmed24n1022.xml
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|a eng
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|a Gong, Jianliang
|e verfasserin
|4 aut
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|a An Adhesive Surface Enables High-Performance Mechanical Energy Harvesting with Unique Frequency-Insensitive and Pressure-Enhanced Output Characteristics
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|c 2020
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Viscoelastic polymer adhesives (VPAs) are common materials broadly used in adhesive tapes for bonding objects tightly in daily life. This work presents a conceptually new strategy of using contact electrification (rather than strong adhesion) of VPAs to directly convert mechanical energy to electric energy, generally showing 202-419% of the electric energy generated by conventional mechanical energy harvesters under the same triggering conditions. More notably, the VPA-based generators (VPAGs) possess unique frequency-insensitive and pressure-enhanced output characteristics. The output power of a VPAG not only does not show regular degradation of performance with the decrease of triggering frequency, but also can be further enhanced by simple introduction of a second VPA layer with a smaller area to increase the applied pressure without the requirement of rising applied force. The average output power density of a VPAG with a second layer of 0.5 cm × 0.5 cm can reach 216.7 µW cm-2 , which is ≈150% larger than that of a VPAG without a second VPA layer. This research is of significance to harvesting the random, irregular, and low-frequency (bio-)mechanical energy that widely exists but is wasted in the environment for both stable electric energy generation and electronic device operation
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|a Journal Article
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|a adhesive surfaces
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|a contact electrification
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|a frequency insensitivity
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|a mechanical energy harvesters
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| 650 |
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|a pressure enhancement
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|a Xu, Bingang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yujue
|e verfasserin
|4 aut
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1 |
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|a Wu, Mengjie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Bao
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 14 vom: 16. Apr., Seite e1907948
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:32
|g year:2020
|g number:14
|g day:16
|g month:04
|g pages:e1907948
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|u http://dx.doi.org/10.1002/adma.201907948
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