Piezoelectrets for wearable energy harvesters and sensors

X Mo, H Zhou, W Li, Z Xu, J Duan, L Huang, B Hu… - Nano Energy, 2019 - Elsevier
Wearable electronics have attracted attention for their potential use in constructing a human-
centered intelligent world. As one of the most promising materials for constructing high …

Piezoelectric polymeric foams as flexible energy harvesters: a review

MA Ansari, P Somdee - Advanced Energy and Sustainability …, 2022 - Wiley Online Library
Piezoelectric energy harvesters (PEHs) have the potential to power low‐power electronic
devices and can advance, self‐powered, autonomous electronics to the next level …

Poisson ratio and piezoresistive sensing: a new route to high‐performance 3D flexible and stretchable sensors of multimodal sensing capability

Y Li, S Luo, MC Yang, R Liang… - Advanced Functional …, 2016 - Wiley Online Library
The performance of flexible and stretchable sensors relies on the optimization of both the
flexible substrate and the sensing element, and their synergistic interactions. Herein, a novel …

Direct 3D printing of piezoelectrets: process feasibility, prototypes fabrication and device performance

X Wang, Z Liu, H Wang, C Zeng - Engineered Science, 2022 - espublisher.com
Piezoelectrets (or piezoelectric polymer foams) are porous piezoelectric materials with a
wide range of applications particularly sensing. They have been successfully fabricated …

Preparation and characterization of piezoelectric foams based on cyclic olefin copolymer

H Wang, Y Li, X Wang, Z Liu, MF Ahmed… - Engineered …, 2021 - espublisher.com
A series of cyclic olefin copolymer (COC) based piezoelectrets are fabricated using a carbon
dioxide assisted assembly process followed by direct contact charging. The effects of both …

Advances in Piezoelectret Materials‐Based Bidirectional Haptic Communication Devices

Y Gong, K Zhang, IM Lei, Y Wang… - Advanced Materials, 2024 - Wiley Online Library
Bidirectional haptic communication devices accelerate the revolution of virtual/augmented
reality and flexible/wearable electronics. As an emerging kind of flexible piezoelectric …

All‐Organic Flexible Ferroelectret Nanogenerator with Fabric‐Based Electrodes for Self‐Powered Body Area Networks

N Wang, R Daniels, L Connelly, M Sotzing, C Wu… - Small, 2021 - Wiley Online Library
Due to their electrically polarized air‐filled internal pores, optimized ferroelectrets exhibit a
remarkable piezoelectric response, making them suitable for energy harvesting. Expanded …

[PDF][PDF] Room‐temperature, near‐instantaneous fabrication of auxetic materials with constant Poisson's ratio over large deformation

Y Li, C Zeng - Advanced Materials, 2016 - academia.edu
DOI: 10.1002/adma. 201505650 and recovery, and drying of materials, significantly increase
the process complexity and increase the process time. Herein, we report an ultrafast, room …

Toward flexible piezoelectrets with high environmental stability: a hybrid approach

Z Liu, M Zeng, H Wang, X Wang, Y Li… - ES Materials & …, 2022 - espublisher.com
In this work an effective and low-cost method to fabricate hybrid piezoelectrets based on
cyclic olefin copolymer (COC) and polypropylene (PP). The electromechanical properties of …

Stretchable and compressible piezoresistive sensors from auxetic foam and silver nanowire

MF Ahmed, Y Li, C Zeng - Materials Chemistry and Physics, 2019 - Elsevier
Silver nanowire (AgNW) based flexible, stretchable and compressible piezoresistive sensors
were prepared using porous substrates having negative Poisson ratio (auxetic foams). The …