Three-dimensional piezoelectric polymer microsystems for vibrational energy harvesting, robotic interfaces and biomedical implants

Han, Mengdi; Wang, Heling; Yang, Yiyuan; Liang, Cunman; Bai, Wubin; Yan, Zheng; Li, Haibo; Xue, Yeguang; Wang, Xinlong; Akar, Banu; Zhao, Hangbo; Luan, Haiwen; Lim, Jaeman; Kandela, Irawati; Ameer, Guillermo A.; Zhang, Yihui; Huang, Yonggang; Rogers, John A.

doi:10.1038/s41928-018-0189-7

Cited by 365 publications

(290 citation statements)

References 49 publications

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“…We show that this new adapter can increase the efficiency of the energy harvesting system by a factor of more than 5 at the low-frequency range (10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20). We show that this new adapter can increase the efficiency of the energy harvesting system by a factor of more than 5 at the low-frequency range (10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20).…”

Section: Introductionmentioning

confidence: 89%

“…For the first time, we are proposing a new intermediate auxetic element for boosting the vibration energy extraction efficiency specifically for the bending applications. We show that this new adapter can increase the efficiency of the energy harvesting system by a factor of more than 5 at the low-frequency range (10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20). This novel concept allows us to use cantilever type resonators at frequencies much lower than their resonant frequencies.…”

Section: Introductionmentioning

confidence: 97%

“…In general, there are three potential strategies for the vibration energy extraction, namely, triboelectric, [10][11][12] electromagnetic, [13][14][15] and piezoelectric [16][17][18][19] energy harvesting. In high-frequency range, piezoelectric materials with the ability to extract large electrical potential from Correction added on 25 November 2019, after first online publication: the third author's surname has been corrected in this version of the article.…”

Section: Introductionmentioning

confidence: 99%

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Enhancement of piezoelectric vibration energy harvesting with auxetic boosters

2019

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This paper proposes a new concept to enhance the efficiency of the vibration energy harvesting via an intermediate booster. The boosters have auxetic struc-tures and exert extra stretching strain in two perpendicular directions. The concept is tested on a conventional cantilever beam under the base excitation. The problem consists of a cantilever beam subjected to a body load at low frequencies. An auxetic substrate is bonded to the beam with a thin epoxy layer, and the piezoelectric (PZT) element is attached on top of it. Two different auxetic structures are investigated in this study. It is shown that employing these kinds of boosters can remarkably enhance the performance of the energy harvesting system. The harvesting efficiency is numerically evaluated in different load amplitudes and frequencies. A parametric study is then carried out, and effects of different geometrical design parameters of the auxetic boosters on the performance of the energy harvesting system are investigated. Comparing with the case in which the PZT is straightly attached to the cantilever, it is shown that adding such intermediate boosters at low-frequency range can increase the extracted power by factors of 3.9 and 7.0 for the two proposed geometries.

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Section: Introductionmentioning

confidence: 89%

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

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Enhancement of piezoelectric vibration energy harvesting with auxetic boosters

2019

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Section: Skin‐inspired Multifunctional Interfacesmentioning

confidence: 99%

“…In addition, the elastic stretchability of 3D structures increased linearly up to 400% with prestrain, while that of the 2D structure was only limited within 50%. In addition, their group further exploited and modified buckling procedures (e.g., buckling and twisting, step‐dependent buckling) to achieve more versatile stretchable 3D mesostructures such as near‐field communication coils, and a sophisticated piezoelectric device (Figure e), providing stretchability not only for interconnects but also device itself. Adopting this concept, a scalable sensor array was fabricated from their 2D precursor through prestrain buckling and origami design (Figure f), indicating the promise of self‐assembled 3D electronics…”

Section: Skin‐inspired Multifunctional Interfacesmentioning

confidence: 99%

Bioinspired Prosthetic Interfaces

Ali

Cheng

et al. 2020

Adv Materials Technologies

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Mechanical replacement prosthetics have advanced in both esthetics and mechanical functions, but still require progress in attaining full natural functionality via tactile feedback. Through bioinspiration of the somatosensory system, recent works in the development of materials and technologies at three critical interfaces have shown great advancements: skin‐inspired multifunctionality at the prosthetic level using flexible electronics, artificial transmission of the biosignals between the prosthesis and nervous system, and stimulation and recording of these signals with mechanically compliant, implantable neural interfaces. Herein, a systematic study of the artificial skin sensation pathways for the prosthetic interfaces is discussed together with the current state‐of‐the‐art technologies and prospective strategies to enable the complete sensory feedback loop in prosthetics through the use of biomimetic sensing platforms, artificial synapses, and neural interrogation electronics.

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Piezoelectric Polymers

Liu

Wang

2023

Encyclopedia of Polymer Science and Technology

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Piezoelectric polymers are promising alternatives to perovskite ferroelectrics to develop soft and flexible sensors, actuators, robotics, and energy harvesters due to low cost, flexibility, biocompatibility, smaller acoustical impedance and so on. This article provides an update on the major advancements in the development of poly(vinylidene fluoride)‐based ferroelectric polymers for piezoelectric applications and summarizes the physical models used to understand the negative longitudinal piezoelectric coefficients. We address the fundamentals in understanding of the piezoelectric effect in other piezoelectric polymers and also discuss the piezoelectric polymer‐based devices.

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Three-dimensional piezoelectric polymer microsystems for vibrational energy harvesting, robotic interfaces and biomedical implants

Cited by 365 publications

References 49 publications

Enhancement of piezoelectric vibration energy harvesting with auxetic boosters

Enhancement of piezoelectric vibration energy harvesting with auxetic boosters

Bioinspired Prosthetic Interfaces

Piezoelectric Polymers

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