Today's Tech News: Notable or Not?

https://www.eurekalert.org/news-releases/1117579 "patented, perovskite solar cells' encapsulant improves durability/ light absorption...film surface triboelectric, single raindrop can produce >100 V... device stable in extreme conditions, including full water immersion/ repeated humidity-temperature stress cycles... environmental/ structural IoT sensors. smart cities' signaling/ autonomous auxiliary lighting/ monitoring systems, providing power for weather/ marine stations in remote/ inaccessible areas"

https://www.eurekalert.org/news-releases/1111546 "overcomes 2D metal nanosheet's low current output/ poor durability... stable over 100K mechanical cycles, spray-coating process scalable... converts walking, breathing into electricity... continuous battery-free heart rate/ temperature/ physical activity monitoring, energy harvesting, EMI shielding, Joule heating (smart clothing/ thermal comfort)"

https://www.eurekalert.org/news-releases/1107394 "TENGs excellent at harvesting mechanical energy from human motion, which when integrated with micro supercapacitors have stable output, but complex, expensive, slow fabrication like 3D printing/ laser cutting prevents large-scale production... overcome with: (1) TENG Conductive Layer created via a dip-spin-coating using MXene paste, (2) MSC electrode created via mask-assisted graphene solution vacuum filtration... press TENG with palm... 0.653 V/ minute charging efficiency" Related: Polymer beads generate electricity for self-charging devices using simple friction https://phys.org/news/2025-11-polymer-beads-generate-electricity-devices.html

https://www.eurekalert.org/news-releases/1103431 "ionic-liquid-based materials suffered leakage, environmental instability, poor durability, overcome using polymer electrolyte where ions are permanently anchored to polymer chains... precisely controls triboelectric materials' polarity... allows for triboelectric polarity (positive/negative) tuning by adjusting polymer structure... cationic polymer exhibited 83V output voltage, about 2X higher; anionic polymer achieved 34V, 4X higher than conventional... minimal charge loss/ excellent thermal stability for over week even at 60℃"

https://www.eurekalert.org/news-releases/1102963 "pressure repeatedly forces water into/ out of nanoscale pores in water-repellent nanoporous silicon monolith... up to 9% energy conversion efficiency... friction electricity generated at solid silicon/ liquid water interface... no exotic materials... autonomous, maintenance-free sensor systems in applications such as water detection, smart garments for sports and health monitoring, and haptic robotics" Related: Nanoporous Silicon Generates Electricity from Friction with Water https://intranet.tuhh.de/presse/pressemitteilung_einzeln.php?id=14906 HKUST researcher uncovers a new and contact-free form of friction driven by magnetism https://www.eurekalert.org/news-releases/1123809

https://techxplore.com/news/2025-10-fabric-patch-static-electricity-chat.html "turns clothing into a kind of voice-activated microphone... sensors often bulky, rigid, uncomfortable, struggle to hear soft/ normal speaking voices, overcome with triboelectricity... moving makes layers rub together creating tiny electrostatic charge which vibrates slightly as you speak, generating 21 volt electrical signal representing your voice, boosted by embedded flower-shaped nanoparticles capturing charge/ preventing dissipation... signal sent wirelessly to smartphone/ computer hosting deep learning model" Related: Humidity unlocks hidden power of ions in generating static electricity https://techxplore.com/news/2025-11-humidity-hidden-power-ions-generating.html

https://techxplore.com/news/2025-10-hybrid-boosts-energy-harvesting-motion.html "hybrid: microstructured barium titanate embedded into a poly(vinylidene fluoride-co-hexafluoropropylene) and poly(ethylene oxide) polymer matrix film interface... flexible, lightweight, self-sufficient, sustainable, significantly improves triboelectric nano -generator/ -sensor efficiency... generates up to 18 volts from smart infrastructure/ simple mechanical motions such as walking, wrist bending, surface tapping... wearable electronics, health monitoring systems, low-voltage devices"

https://www.eurekalert.org/news-releases/1076519 "surface made up of closely packed small beads comes into contact with surface containing same, smaller beads generally gain positive charge, larger negative... most significant effect with melamine-formaldehyde beads (low elasticity)... cost-effective... dry fabrication more sustainable, no solvents... wearables, small devices not needing charging... future: better efficiency/ reliability enabling large-scale applications. materials/ structures research continues to reveal new opportunities for energy generation and use" Related: From wave energy to electricity: Functional design/ performance of triboelectric nanogenerators https://www.eurekalert.org/news-releases/1096084

https://phys.org/news/2023-12-limestone-putty-nanogenerator-harvest-energy.html "only craft-level skill needed... limestone-based mounting putty (tacky. like double-sided adhesive tape) and metallized polyester sheet... extends operational frequency bandwidth up to 80Hz compared to existing <10 Hz TENGs. using triboelectric layers in vibration-based energy-harvester design... future investigation of marble, sandstone and lunar soil based putties... heart monitor implants, biochip transponders for farm animals or sensors that alert a driver when tire pressure is low" Related:  Power from Snow: A Groundbreaking Renewable Energy Breakthrough https://bnnbreaking.com/tech/science-tech/power-from-snow-a-groundbreaking-renewable-energy-breakthrough/ Harvesting human motion energy: The promise of wearable triboelectric nanogenerators https://techxplore.com/news/2024-03-harvesting-human-motion-energy-wearable.html Environmentally-Friendly TENG Energy Harvesters Developed https://ww...

https://techxplore.com/news/2022-12-gas-liquid-two-phase-flow-based-triboelectric-nanogenerator.html "charge density of 3789 volts and 859 millicoulombs per cubic meter, respectively. With a high-power output of 143.6 kilowatts per cubic meter, a 24-watt commercial lamp can be directly lighted by a continuous-flow GL-TENG device... ability to drive various electronic devices directly. It has also provided a new strategy for efficiently harvesting energy from water and opened up an avenue for future commercial use for SL-TENGs" Related: Stretching-insensitive stretchable and biocompatible triboelectric nanogenerators https://phys.org/news/2023-02-stretching-insensitive-stretchable-biocompatible-triboelectric-nanogenerators.html Tribotronics: Promising prospects in the development of new functional devices and self-powered microsystems https://phys.org/news/2023-10-tribotronics-prospects-functional-devices-self-powered.html Up-cycling petroleum waste into a high-performance yet...