Results 181 to 190 of about 159,468 (366)

Facile Synthesis of a Carbon Nano Dot‐Based Wearable Flexible Thermoelectric Device

open access: yesAdvanced Materials Technologies, EarlyView.
A wearable proto‐type device made with low‐cost, bio‐friendly, and environmentally safe materials that can be readily fabricated to generate energy from low waste temperatures is demonstrated. The Carbon Nano Dot composite thin films are supported by a flexible cellulose substrate that harnesses thermoelectric principles to generate power from body ...
Al Jumlat Ahmed   +8 more
wiley   +1 more source

Self‐Folded Corrugated Origami Sensor Based on Triboelectric Nanogenerator for a Smart Cushioning Device

open access: yesAdvanced Materials Technologies, EarlyView.
A corrugated origami TENG (CO‐TENG) soft sensor utilizes paper self‐folding technology to create battery‐free devices by laminating and folding sheet materials. In the object drop test, the voltage generated by CO‐TENG is classified with machine learning to achieve an accuracy of 98.9%, which shows its potential for smart cushioning devices.
Haruki Higoshi   +8 more
wiley   +1 more source

Piezoelectric Polyurethane/Barium Titanate Composites with High Stretchability and Voltage Output for Energy Harvesting in Soft Wearable Electronics

open access: yesAdvanced Materials Technologies, EarlyView.
Piezoelectric additives are combined with an elastomer host, creating a material with properties of both parent materials: high voltage output and exceptional stretchability. These stretchable piezoelectric materials have the robustness for integration into soft wearable electronics, functioning as renewable energy harvesters to charge capacitors.
Patryk Wojciak   +3 more
wiley   +1 more source

Rapid Electro‐Thermal Micro‐Actuation of Flat Optics Enabled by Laser‐Induced Graphene on Colorless Polyimide Substrates

open access: yesAdvanced Optical Materials, EarlyView.
Laser‐induced graphene (LIG) on a colorless polyimide (CPI) substrate functions as both an electrical heater and a heat spreader, enabling rapid electro‐thermo‐optic actuation. The system achieves reflective beam scanning up to 2 kHz and diffractive beam steering with 0.5‐millidegree resolution and a 0.9 s response time, showcasing LIG‐CPI as a soft ...
Byunggi Kim   +5 more
wiley   +1 more source

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