Fully Rollable Lead-Free Poly(vinylidene fluoride)-Niobate-Based Nanogenerator with Ultra-Flexible Nano-Network Electrodes

被引:117
作者
Zhang, Chen [1 ,2 ]
Fan, Youjun [2 ,5 ]
Li, Huayang [2 ,5 ]
Li, Yayuan [1 ]
Zhang, Lei [2 ,7 ]
Cao, Shubo [1 ]
Kuang, Shuangyang [2 ,5 ]
Zhao, Yongbin [8 ]
Chen, Aihua [1 ,4 ]
Zhu, Guang [2 ,3 ,5 ]
Wang, Zhong Lin [2 ,5 ,6 ]
机构
[1] Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
[2] Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, CAS Ctr Excellence Nanosci, Beijing Key Lab Micronano Energy & Sensor, Beijing 100083, Peoples R China
[3] Univ Nottingham Ningbo China, Dept Mech Mat & Mfg Engn, Ningbo 315100, Zhejiang, Peoples R China
[4] Beihang Univ, Beijing Adv Innovat Ctr Biomed Engn, Beijing 100191, Peoples R China
[5] Univ Chinese Acad Sci, Sch Nanosci & Technol, Beijing 100048, Peoples R China
[6] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
[7] Southwest Jiaotong Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Adv Technol Mat, Chengdu 610031, Peoples R China
[8] Shandong Oubo New Mat Co Ltd, Dongying 257088, Shandong, Peoples R China
基金
北京市自然科学基金; 中国国家自然科学基金;
关键词
fully rollable; nanocomposite-based nanogenerator; niobate-based nanoparticles; silver nanowire-based electrodes; wearable electronic devices; THIN-FILM NANOGENERATOR; NANOCOMPOSITE GENERATOR; LARGE-AREA; ENERGY; PVDF; PIEZORESPONSE; PERFORMANCE; DRIVEN; NANOPARTICLES; PARTICLES;
D O I
10.1021/acsnano.8b01534
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A fully rollable nanocomposite-based nanogenerator (NCG) is developed by integrating a lead-free piezoelectric hybrid layer with a type of nanofiber-supported silver nanowire (AgNW) network as electrodes. The thin-film nanocomposite is composed of electroactive polyvinylidene fluoride (PVDF) polymer matrix and compositionally modified potassium sodium niobate-based nanoparticles (NPs) with a high piezoelectric coefficient (d(33)) of 53 pm/V, which is revealed by the piezoresponse force microscopy measurements. Under periodical agitation at a compressive force of 50 N and 1 Hz, the NCG can steadily render high electric output up to an open-circuit voltage of 18 V and a short-circuit current of 2.6 mu A. Of particular importance is the decent rollability of the NCG, as indicated by the negligible decay in the electric output after it being repeatedly rolled around a gel pen for 200 cycles. Besides, the biocompatible NCG can potentially be used to scavenge biomechanical energy from low-frequency human motions, as demonstrated by the scenarios of walking and elbow joint movement. These results rationally expand the feasibility of the developed NCG toward applications in lightweight, diminutive, and multifunctional rollable or wearable electronic devices.
引用
收藏
页码:4803 / 4811
页数:9
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