Results 81 to 90 of about 25,170 (359)

Turning Plastic Waste Immiscibility into an Advantage: Efficiency Improvement of PVDF‐Based Energy Harvesters Using Post‐Consumer Thermoplastics

open access: yesAdvanced Materials Interfaces
The immiscibility of plastic waste, which is often a limiting factor in traditional recycling processes, is considered in this study as a key feature for functional material design.
Petr Slobodian   +5 more
doaj   +1 more source

Soft tubular microfluidics for 2D and 3D applications [PDF]

open access: yes, 2017
Microfluidics has been the key component for many applications, including biomedical devices, chemical processors, microactuators, and even wearable devices.
Dao, Ming   +7 more
core   +1 more source

Triboelectric simulation of pacemaker malfunction [PDF]

open access: yesEuropace, 2002
We report the occurrence of a triboelectric phenomenon (static electricity) that mimicked malfunction of a contemporary pacemaker by creating an electrocardiograpic artifact virtually identical to the pacemaker stimuli. The diagnosis was established by observing a subtle overshoot of the questionable deflection that was absent from pacemaker stimuli.
C. W. Miller   +3 more
openaire   +3 more sources

Stretching‐Orientation Reinforced Double Network Solvent‐Free Eutectic Gels for Ultrarobust, Flexible Human‐Machine Interaction Devices

open access: yesAdvanced Functional Materials, EarlyView.
This work develops an ultrarobust, flexible, and solvent‐free eutectic gel featuring stretch‐induced orientation. Overcoming hydrogel limitations, the gel achieves record toughness (133.86 MJ m−3) while integrating strain/temperature/capacitive sensing.
Tingzhong Li   +5 more
wiley   +1 more source

Low-cost triboelectric nanogenerator based on aseptic carton package

open access: yesResults in Engineering, 2023
Triboelectric nanogenerators (TENGs) are efficient systems that convert mechanical energy to electrical energy. Based on contact electrification, an emerging powerful tool in energy harvesting technologies, most TENGs are constructed using expensive ...
Kelly S. Moreira   +3 more
doaj   +1 more source

Printing Nacre‐Mimetic MXene‐Based E‐Textile Devices for Sensing and Breathing‐Pattern Recognition Using Machine Learning

open access: yesAdvanced Functional Materials, EarlyView.
This study presents a Ti3C2Tx MXene/WPU nacre‐mimetic nanomaterial as a printable ink for direct‐write printing onto textiles‐based sensors. The resulting wearable device demonstrates high sensitivity, biocompatibility, and mechanical strength. Furthermore, NFC‐enabled humidity sensor produces time‐series data, which informs a machine learning ...
Lulu Xu   +6 more
wiley   +1 more source

Asperity Shape and Gradient Elasticity in Flexoelectric/Triboelectric Contacts

open access: yes, 2022
The underlying mechanisms responsible for triboelectricity have yet to be completely understood. We have previously proposed a model which explains charge transfer in non-metals via band bending due to electromechanical, especially flexoelectric, effects
Marks, Laurence D., Olson, Karl P.
core  

Additively Manufactured Diamond for Energy Scavenging and Wireless Power Transfer in Implantable Devices

open access: yesAdvanced Functional Materials, EarlyView.
Additive manufacturing is expanding beyond mechanical prosthetics into microelectronic implants. This work presents a diamond‐titanium hybrid that enables wireless power transfer, localized heating, and flow sensing. The use of additive manufacturing combined with the biocompatibility of the diamond‐titanium hybrid material paves the way toward new ...
Joshua Zarins   +9 more
wiley   +1 more source

Additively Manufactured 3D Auxetic Metamaterials for Structurally Guided Capacitive and Resistive Tactile Sensing

open access: yesAdvanced Functional Materials, EarlyView.
A 3D‐architected auxetic metamaterial is used to construct capacitive and resistive tactile sensors via digital light processing‐based additive manufacturing. The inward deformation of the proposed structure under compression amplifies local strain, enhancing sensing performance.
Mingyu Kang   +3 more
wiley   +1 more source

Harnessing Direct Current Triboelectricity with Dynamic Schottky Diodes on Silicon [PDF]

open access: yes, 2022
Triboelectric nanogenerators based on moving Schottky diodes are a promising emerging technology for power generation and sensors. This thesis examined a range of systems using atomic force microscopy including pyramidally textured surfaces and a range ...
Ferrie, Stuart Paul
core  

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