Enhanced triboelectric output of PDMS-based composite film with bi-material filling and surface patterning

被引:8
作者
Liu, Sheng [1 ]
Liao, SiHua [1 ]
Liu, Dan [1 ]
Zhao, Rong [1 ]
Zhou, Teng [1 ]
Yan, WenYuan [1 ]
Wei, KeXiang [1 ]
Zou, HongXiang [1 ]
Zhao, LinChuan [2 ]
机构
[1] Hunan Inst Engn, Hunan Prov Key Lab Vehicle Power & Transmiss Syst, Xiangtan 411104, Peoples R China
[2] Shanghai Jiao Tong Univ, Sch Mech Engn, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China
基金
中国国家自然科学基金;
关键词
triboelectric nanogenerator; energy harvesting; wearable sensor; dielectric enhancement; surface modification; REDUCED GRAPHENE-OXIDE; FRICTION LAYER; NANOGENERATOR; PERFORMANCE; OPTIMIZATION; TRANSPARENT; AREA;
D O I
10.1007/s11431-023-2446-1
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Triboelectric nanogenerators (TENGs) are highly promising energy-harvesting devices that exhibit considerable potential for use in self-powered wearable electronics. Nano/microfillers and surface microstructure modification have been proposed to improve the triboelectric performance of TENGs. In this work, performance-enhanced flexible polydimethylsiloxane (PDMS) was developed through bi-material (reduced graphene oxide/fluorinated ethylene propylene, rGO/FEP) modification and filtration-membrane-patterned surface microstructure. The rGO/FEP with high charge-inducing and -trapping capabilities can be used as the dielectric-enhanced filler for improving triboelectricity. Ordered micro-dents of 5-50 & mu;m are created on the modified PDMS surface with an increased contact area of TENG. Compared with the pure PDMS, the modified PDMS film-based TENG could deliver a substantial enhancement in power density (0.87 mW cm(-2)) by 28 times. Further, the versatility of this device is demonstrated in human activity monitoring and capacitor charging. This work provided a simple, high-tunability, and scalable approach for improving the output performance of TENGs for biomechanical energy-harvesting devices that can be integrated into self-powering wearable electronics.
引用
收藏
页码:2930 / 2941
页数:12
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