journal article·2020-03-04

PVDF-Based Composition-Gradient Multilayered Nanocomposites for Flexible High-Performance Piezoelectric Nanogenerators

Lu Yang, Qiuying Zhao, Kaineng Chen, Yizhou Ma, Yipeng Wu, Hongli Ji, Jinhao Qiu

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Abstract

Recently, flexible energy generators with good performance have trigged enormous interest because of their great potential application in developing full flexible self-powered electronics. Herein, we reported a flexible high-performance piezoelectric nanogenerator (PNG) based on composition-gradient multilayered poly(vinylidene fluoride) (PVDF) nanocomposites wherein a novel three-dimensional (3D) carbon-based nanoparticle was employed as the nanofiller. Making use of this novel 3D nanofiller and composition-gradient concept, one can efficiently promote the interfacial coupling effect and induce internal strain inside the PVDF matrix, contributing to dramatically improved piezoelectricity and consequently output performance for PNG. With the excellent output ability, the PNG also demonstrated to be capable of operating in both d33 and d31 modes and possesses high stability as well as durability, confirming its applicability as green power source for full flexible electronic systems.
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Research context

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications · Dielectric materials and actuators

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Mechanics and Materials, Hohai University, Nanjing 210098, China

State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Funding

Ministry of Science and Technology of the People's Republic of China · Nantong Science and Technology Bureau · National Natural Science Foundation of China · State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics

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