3D Printing-Enabled In-Situ Orientation of BaTi2O5 Nanorods in β-PVDF for High-Efficiency Piezoelectric Energy Harvesters

Article Chemistry, Physical

Interface induced performance enhancement in flexible BaTiO3/PVDF-TrFE based piezoelectric nanogenerators

Kunming Shi et al.

Summary: This study presents a novel approach of interface tailoring to enhance the dispersion and output performance of piezoelectric reinforcing phase in nanocomposites, which shows great potential for applications in nanogenerators.

NANO ENERGY (2021)

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Article Nanoscience & Nanotechnology

Ionic Liquid-Assisted 3D Printing of Self-Polarized β-PVDF for Flexible Piezoelectric Energy Harvesting

Xingang Liu et al.

Summary: Ionic liquid-assisted FDM technology enables direct printing of high electroactive beta-phase PVDF piezoelectric devices, promoting the formation of beta crystals and enhancing the piezoelectric output of PVDF devices. The PVDF devices printed by FDM have a beta crystal content as high as 98.3%, self-polarization characteristics, and do not require additional poling steps.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Physical

Solution processed high performance piezoelectric eggshell membrane - PVDF layer composite nanogenerator via tuning the interfacial polarization

Simadri Badatya et al.

Summary: Bio-compatible and eco-friendly transparent flexible piezoelectric nanogenerators have been developed using eggshell membrane and PVDF. The hybrid structure exhibited high output voltage and current, with improved dielectric properties. This technology provides a new way to generate green energy from solid waste and enhance the performance of PVDF-based nanogenerators for powering self-powered medical devices.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Nanoscience & Nanotechnology

Polyaniline Protrusions on MoS2 Nanosheets for PVDF Scaffolds with Improved Electrical Stimulation

Fangwei Qi et al.

Summary: The study improved the beta phase of the PVDF scaffold with PANI-MoS2, enhancing electrical output performance, osteoblast-like cell proliferation and differentiation, and mechanical properties of the scaffolds.

ACS APPLIED NANO MATERIALS (2021)

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Article Materials Science, Composites

Highly conductive and durable electrothermal electrode through the steric confinement effect of graphene on helically intersected carbon fiber network

Yijun Li et al.

Summary: The study successfully achieved a concentric arrangement of 2D conductive graphene in the flexible tubular electrode, improving the durability and electrothermal performance of the conductive network. The electrode displayed a strain affordability of over 50% and a tunable temperature range, showing potential applications in practical thermal therapy.

COMPOSITES SCIENCE AND TECHNOLOGY (2021)

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Review Chemistry, Multidisciplinary

Sustainable wearable energy storage devices self-charged by human-body bioenergy

Jian Lv et al.

Summary: Charging wearable energy storage devices with bioenergy from human-body motions, biofluids, and body heat presents great potential for sustainability and autonomy. Researchers have developed devices that can harvest energy from body movements, biofluids, and body heat, exploring various charging strategies for powering wearable electronics.

SUSMAT (2021)

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Review Chemistry, Multidisciplinary

Current advances and future perspectives of additive manufacturing for functional polymeric materials and devices

Chuhong Zhang et al.

Summary: 3D printing technology is revolutionary due to its customizability and multidimensional functionality, but the lack of functional polymeric materials limits its development. The physical properties of polymeric materials must match the printing process, restricting the selection of printable materials. Challenges in large-scale production further hinder the development of the 3D printing industry.

SUSMAT (2021)

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Article Nanoscience & Nanotechnology

Polyaniline Protrusions on MoS2 Nanosheets for PVDF Scaffolds with Improved Electrical Stimulation

Fangwei Qi et al.

Summary: The incorporation of PANI-MoS2 into PVDF scaffolds significantly increased the beta phase of the scaffolds, leading to enhanced electrical output performance and improved osteoblast-like cell proliferation and differentiation. Additionally, the mechanical properties of the scaffolds were enhanced due to improved interfacial stress transfer between MoS2 and the polymer matrix. Overall, the piezoelectric scaffolds showed great potential in bone tissue engineering.

ACS APPLIED NANO MATERIALS (2021)

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Article Engineering, Electrical & Electronic