Room-temperature Self-healing and Recyclable PDMS Elastomers with Superior Mechanical Properties for Triboelectric Nanogenerators

Shu-Juan Wang; Lu Wang; Hong-Zhe Su; Zhi-Cheng Wu; Qiao-Gen Zhang; Wei Fan; Xin-Li Jing

doi:10.1007/s10118-024-3178-5

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Room-temperature Self-healing and Recyclable PDMS Elastomers with Superior Mechanical Properties for Triboelectric Nanogenerators

RESEARCH ARTICLE | Updated：2024-09-23

- Room-temperature Self-healing and Recyclable PDMS Elastomers with Superior Mechanical Properties for Triboelectric Nanogenerators
- Room-temperature Self-healing and Recyclable PDMS Elastomers with Superior Mechanical Properties for Triboelectric Nanogenerators
- 高分子科学（英文版） 2024年42卷第10期页码：1566-1577
- Affiliations：
  
  a.School of Chemistry, Joint Innovation Center of Thermal Protection Materials, Xi’an Jiaotong University, Xi’an 710049, China
  b.School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
  c.School of Textile Science and Engineering, Xi'an Polytechnic University, Xi'an 710048, China
- Author bio：
  
  xljing@mail.xjtu.edu.cn
- Funds：
  
  This work was financially supported by the National Key Research and Development Program of China (No. 2023YFB2407100), the National Natural Science Foundation of China (No. 52173080), Open Funding Project of Shaanxi Key Laboratory of Aerospace Composite from Xi’an Aerospace Composites Research Institute. We also acknowledge the Instrument Analysis Centre of Xi’an Jiaotong University for material characterization.;Electronic supplementary information (ESI) is available free of charge in the online version of this article at http://doi.org/10.1007/s10118-024-3178-5.
- DOI：10.1007/s10118-024-3178-5
  中图分类号： M
- 收稿：2024-05-02，
  
  修回：2024-06-02，
  
  录用：2024-06-03，
  
  网络首发：2024-08-28，
  
  纸质出版：2024-10-01
- Accepted：
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Wang, S. J.; Wang, L.; Su, H. Z.; Wu, Z. C.; Zhang, Q. G.; Fan, W.; Jing X. L. Room-temperature self-healing and recyclable PDMS elastomers with superior mechanical properties for triboelectric nanogenerators. Chinese J. Polym. Sci. 2024, 42, 1566–1577

Shu-Juan Wang, Lu Wang, Hong-Zhe Su, et al. Room-temperature Self-healing and Recyclable PDMS Elastomers with Superior Mechanical Properties for Triboelectric Nanogenerators[J]. Chinese Journal of Polymer Science, 2024, 42(10): 1566-1577.
Wang, S. J.; Wang, L.; Su, H. Z.; Wu, Z. C.; Zhang, Q. G.; Fan, W.; Jing X. L. Room-temperature self-healing and recyclable PDMS elastomers with superior mechanical properties for triboelectric nanogenerators. Chinese J. Polym. Sci. 2024, 42, 1566–1577 DOI： 10.1007/s10118-024-3178-5.

Shu-Juan Wang, Lu Wang, Hong-Zhe Su, et al. Room-temperature Self-healing and Recyclable PDMS Elastomers with Superior Mechanical Properties for Triboelectric Nanogenerators[J]. Chinese Journal of Polymer Science, 2024, 42(10): 1566-1577. DOI： 10.1007/s10118-024-3178-5.

摘要

PDMS elastomers with excellent self-healing properties were prepared by introducing aromatic disulfide bonds and multiple hydrogen bonds. PDMS elastomer can realize solid phase recovery and liquid phase recovery. PDMS-based TENG has excellent electrical output performance and self-healing performance.

Abstract

Polydimethylsiloxane (PDMS) is an electron-withdrawing material that is widely used in triboelectric nanogenerators (TENGs). However

PDMS has poor mechanical properties after curing and is easily damaged when subjected to long-term workloads. Thus

the long-term stable operation of TENGs under mechanical deformation cannot be guaranteed. In this work

multiple hydrogen bonds and aromatic disulfide bonds were introduced into PDMS elastomers. These elastomers exhibited high toughness (a tensile strength of 1.91 MPa and an elongation at break of 340%)

good recyclability

and room-temperature self-healing properties (healing efficiency of 96.4% in 24 h). Recyclable sandwich-like triboelectric nanogenerators with excellent electrical output performance (13.5 V) and room-temperature self-healing performance (24 h

98% recovery of self-generating performance) were prepared by utilizing the hydrogen bonding between the PDMS elastomer and MXene. The work reported herein offers theoretical guidance and a compelling strategy for developing high-performance TENG negative friction layers.

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references

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