Flexible energy harvesting polymer composites based on biofibril-templated 3-dimensional interconnected piezoceramics

Yong Zhang, Chang Kyu Jeong, Jianjun Wang, Huajun Sun, Fei Li, Guangzu Zhang, Long Qing Chen, Shujun Zhang, Wen Chen, Qing Wang

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Flexible piezoelectric materials have attracted rapidly growing attention because they offer an efficient route to scavenge energies from the living environment to power personal electronics and nanosystems. Current polymer composites with low-dimensional piezoceramic fillers suffer from poor stress transfer from the polymer matrix to the active ceramic fillers, thus significantly limiting the energy harvesting performance. Herein, an interconnected 3D piezoceramic skeleton has been developed by a biofibril template method using the newly developed rare-earth Samarium-doped Pb(Mg1/3Nb2/3)O3-PbTiO3 (Sm-PMN–PT) for flexible piezoelectric polymer composites. When subjected to external mechanical stimulation, the 3D interconnected structure results in effective stress transfer, and consequently, greatly enhanced energy harvesting output. The 3D piezocomposite shows the open-circuit output voltage and short-circuit current density up to ~ 60 V and ~ 850 nA cm−2, respectively, with the maximum instantaneous power density of ~ 11.5 µW cm−2 which is ~ 16 times higher than that of the conventional nanoparticle-based composite. The remarkable enhancement in the tress transfer ability and piezoelectric response of the biofibril-templated 3D structure have also been verified by phase-field simulations. This work provides a promising paradigm for the development of high-performance flexible energy harvesting materials.

Original languageEnglish (US)
Pages (from-to)35-42
Number of pages8
JournalNano Energy
Volume50
DOIs
StatePublished - Aug 2018

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Energy harvesting
Polymers
Fillers
Composite materials
Samarium
Nanosystems
Piezoelectric materials
Polymer matrix
Short circuit currents
Rare earths
Current density
Electronic equipment
Nanoparticles
Networks (circuits)
Electric potential

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)
  • Electrical and Electronic Engineering

Cite this

Zhang, Yong ; Jeong, Chang Kyu ; Wang, Jianjun ; Sun, Huajun ; Li, Fei ; Zhang, Guangzu ; Chen, Long Qing ; Zhang, Shujun ; Chen, Wen ; Wang, Qing. / Flexible energy harvesting polymer composites based on biofibril-templated 3-dimensional interconnected piezoceramics. In: Nano Energy. 2018 ; Vol. 50. pp. 35-42.
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Flexible energy harvesting polymer composites based on biofibril-templated 3-dimensional interconnected piezoceramics. / Zhang, Yong; Jeong, Chang Kyu; Wang, Jianjun; Sun, Huajun; Li, Fei; Zhang, Guangzu; Chen, Long Qing; Zhang, Shujun; Chen, Wen; Wang, Qing.

In: Nano Energy, Vol. 50, 08.2018, p. 35-42.

Research output: Contribution to journalArticle

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AU - Zhang, Guangzu

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AU - Zhang, Shujun

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