Multi-mode and durable fiber triboelectric nanogenerator for power and sensor enabled by Hookean vascular stent structure

Xu, Shuai; Nie, Wenqi; Sun, Jiangdong; Sun, Peng; Jia, Hao; Zheng, Xianhong; Sun, Yanyan; Xu, Zhenzhen; Liu, Lianmei

doi:10.1016/j.cej.2023.145088

Cited by 10 publications

(2 citation statements)

References 47 publications

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“…The excellent combination of piezoelectric and mechanical properties in this 3D printable ferroelectric composite has been validated in our previous work, where KNN particles make primary contributions to the piezoelectric responses as well as improve the mechanical strength in a flexible PVDF-HFP matrix . These stents exhibit desirable mechanical properties while producing appreciable piezoelectricity when subjected to simulated mechanical strains, demonstrating a potential for in vivo sensing and electricity generation driven by regular blood pressure fluctuation …”

Section: Introductionsupporting

confidence: 76%

3D-Printed Piezoelectric Stents for Electricity Generation Driven by Pressure Fluctuation

Pan,

Sui,

Silva-Pedraza

et al. 2024

ACS Appl. Mater. Interfaces

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Vascular stenting is a common procedure used to treat diseased blood vessels by opening the narrowed vessel lumen and restoring blood flow to ischemic tissues in the heart and other organs. In this work, we report a novel piezoelectric stent featuring a zigzag shape fabricated by fused deposition modeling three-dimensional (3D) printing with a built-in electric field. The piezoelectric composite was made of potassium sodium niobite microparticles and poly(vinylidene fluoride-co-hexafluoropropylene), complementing each other with good piezoelectric performance and mechanical resilience. The in situ poling yielded an appreciable piezoelectricity (d 33 ∼ 4.2 pC N– 1) of the as-printed stents. In vitro testing revealed that materials are nontoxic to vascular cells and have low thrombotic potential. Under stimulated blood pressure fluctuation, the as-printed piezoelectric stent was able to generate peak-to-peak voltage from 0.07 to 0.15 V corresponding to pressure changes from 20 to 120 Psi, giving a sensitivity of 7.02 × 10–4 V Psi–1. Biocompatible piezoelectric stents bring potential opportunities for the real-time monitoring of blood vessels or enabling therapeutic functions.

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Section: Introductionsupporting

confidence: 76%

3D-Printed Piezoelectric Stents for Electricity Generation Driven by Pressure Fluctuation

Pan,

Sui,

Silva-Pedraza

et al. 2024

ACS Appl. Mater. Interfaces

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“…Another method for forming electrodes involves coating and drying fabric materials, weaving them into electrode patterns on flexible materials. However, they have not been used for EC detection as yet [27][28][29].…”

Section: Introductionmentioning

confidence: 99%

Adaptive Fabrication of Electrochemical Chips with a Paste-Dispensing 3D Printer

Wong,

Ng,

Lin

et al. 2024

Sensors

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Electrochemical (EC) detection is a powerful tool supporting simple, low-cost, and rapid analysis. Although screen printing is commonly used to mass fabricate disposable EC chips, its mask is relatively expensive. In this research, we demonstrated a method for fabricating three-electrode EC chips using 3D printing of relatively high-viscosity paste. The electrodes consisted of two layers, with carbon paste printed over silver/silver chloride paste, and the printed EC chips were baked at 70∘C for 1 h. Engineering challenges such as bulging of the tubing, clogging of the nozzle, dripping, and local accumulation of paste were solved by material selection for the tube and nozzle, and process optimization in 3D printing. The EC chips demonstrated good reversibility in redox reactions through cyclic voltammetry tests, and reliably detected heavy metal ions Pb(II) and Cd(II) in solutions using differential pulse anodic stripping voltammetry measurements. The results indicate that by optimizing the 3D printing of paste, EC chips can be obtained by maskless and flexible 3D printing techniques in lieu of screen printing.

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Self-powered, multifunctional, and skin-compatible electronic-tattoos based on hybrid bio-nanomaterials as electrically functionalized skins

Joshi,

Lee,

Lee

et al. 2024

Chemical Engineering Journal

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Multi-mode and durable fiber triboelectric nanogenerator for power and sensor enabled by Hookean vascular stent structure

Cited by 10 publications

References 47 publications

3D-Printed Piezoelectric Stents for Electricity Generation Driven by Pressure Fluctuation

3D-Printed Piezoelectric Stents for Electricity Generation Driven by Pressure Fluctuation

Adaptive Fabrication of Electrochemical Chips with a Paste-Dispensing 3D Printer

Self-powered, multifunctional, and skin-compatible electronic-tattoos based on hybrid bio-nanomaterials as electrically functionalized skins

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