Contact Electrification Spectrum for Performance Enhancement Mechanism Investigation of Triboelectric Nanogenerators based on Silicone Elastomers with Different Surface Microstructures

Jianliang Gong; Shenyang Ye; Yan Luo; Liqiong Xia; Bingyu Liu; Yiwang Chen

doi:10.1007/s10118-023-3008-1

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Contact Electrification Spectrum for Performance Enhancement Mechanism Investigation of Triboelectric Nanogenerators based on Silicone Elastomers with Different Surface Microstructures

RESEARCH ARTICLE | Updated：2023-09-21

- Contact Electrification Spectrum for Performance Enhancement Mechanism Investigation of Triboelectric Nanogenerators based on Silicone Elastomers with Different Surface Microstructures
- Contact Electrification Spectrum for Performance Enhancement Mechanism Investigation of Triboelectric Nanogenerators based on Silicone Elastomers with Different Surface Microstructures
- 高分子科学（英文版） 2023年41卷第10期页码：1591-1598
- Affiliations：
  
  a.National Engineering Research Center for Carbohydrate Synthesis/Key Laboratory of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
  b.Institute of Polymers and Energy Chemistry (IPEC) / Jiangxi Provincial Key Laboratory of New Energy Chemistry, Nanchang University, Nanchang 330031, China
- Author bio：
  
  ywchen@ncu.edu.cn
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China (No. 52103278).;Electronic supplementary information (ESI) is available free of charge in the online version of this article at http://doi.org/10.1007/s10118-023-3008-1.
- DOI：10.1007/s10118-023-3008-1
  中图分类号：
- 收稿：2023-03-29，
  
  修回：2023-5-16，
  
  录用：2023-5-30，
  
  网络首发：2023-07-05，
  
  纸质出版：2023-10-01
- Accepted：
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Gong, J.; Ye, S.; Luo, Y.; Xia, L.; Liu, B.; Chen, Y. Contact electrification spectrum for performance enhancement mechanism investigation of triboelectric nanogenerators based on silicone elastomers with different surface microstructures. Chinese J. Polym. Sci. 2023, 41, 1591–1598

Jianliang Gong, Shenyang Ye, Yan Luo, et al. Contact Electrification Spectrum for Performance Enhancement Mechanism Investigation of Triboelectric Nanogenerators based on Silicone Elastomers with Different Surface Microstructures[J]. Chinese Journal of Polymer Science, 2023, 41(10): 1591-1598.
Gong, J.; Ye, S.; Luo, Y.; Xia, L.; Liu, B.; Chen, Y. Contact electrification spectrum for performance enhancement mechanism investigation of triboelectric nanogenerators based on silicone elastomers with different surface microstructures. Chinese J. Polym. Sci. 2023, 41, 1591–1598 DOI： 10.1007/s10118-023-3008-1.

Jianliang Gong, Shenyang Ye, Yan Luo, et al. Contact Electrification Spectrum for Performance Enhancement Mechanism Investigation of Triboelectric Nanogenerators based on Silicone Elastomers with Different Surface Microstructures[J]. Chinese Journal of Polymer Science, 2023, 41(10): 1591-1598. DOI： 10.1007/s10118-023-3008-1.

摘要

A new kind of contact electrification spectrum has been developed based on highly repeatable electric signal patterns generated by single trigger to better understand the performance enhancement mechanism of surface microstructures for triboelectric nanognenerators.

Abstract

Triboelectric nanogenerators (TENGs) based on conjunctive effects of contact electrification (CE) and electrostatic induction are emerging as a new mechanical energy harvesting and sensing technique for promising applications in smart wearables

Internet of Things (IoTs)

etc

. The surface microstructure of a flexible triboelectric material for the increase of surface area is a common strategy for performance enhancement of TENGs

but the real roles of surface microstructures on their output performance are still not explicit due to the lack of suitable analysis tool and rational experimental design. Taking advantages of the surface-sensitive characteristic of CE effect

this work exploited and developed the electric signal patterns generated by single impact of TENGs as a kind of CE spectrum to analyze and speculate the real roles of surface microstructures of flexible triboelectric materials on the output performance of TENGs. Firstly

four different kinds of surface microstructures

namely planar surface (PS) and three combinations of two basic surface microstructures

i.e.

micro lens arrays (MLAs)

fabric textures (FTs)

and hierarchical structures of MLAs on FTs (MLA/FTs)

were elaborately designed and introduced for an identical triboelectric material (

i.e.

silicone elastomer) by a (micro)molding synthesis route. Then they were used for assembly of TENGs based on vertical contact mode to conduct performance evaluation under the same triggering conditions. Through systematic analysis and comparison of their highly repeatable CE spectra by programmed machine

it was found that the surface microstructure for a flexible triboelectric material to maximally enhance the output performance of a TENG shall achieve a positive synergistic effect of increasing triboelectric charge density

effective contact area and contacting/separating velocity

rather than simple increase of its surface area.

关键词

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