

FOLLOWUS
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
xljing@mail.xjtu.edu.cn
Received:02 May 2024,
Revised:2024-06-02,
Accepted:03 June 2024,
Online First:28 August 2024,
Published:01 October 2024
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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.
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.
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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