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Stretchable, Compressible Supercapacitors with Polyacrylamide Hydrogel Electrolyte
AZo Materials - July 2017

Flexible, wearable electronics require equally flexible, wearable power sources. In the journal Angewandte Chemie, Chinese scientists have introduced an extraordinarily stretchable and compressible polyelectrolyte which, in combination with carbon nanotube composite paper electrodes, forms a supercapacitor that can be stretched to 1000 percent in length and compressed to 50 percent in thickness with even gaining, not losing capacity.

Read more at AZo Materials


PolyU Develops Sprayable Sensing Network Technology for Real-Time Structural Health Monitoring with Larger Responsive Bandwidth, Lower Cost and Greater Versatility
Hong Kong Polytechnic University - July 2017

"The Hong Kong Polytechnic University (PolyU) research team developed a novel breed of nanocomposites-inspired sensors which can be sprayed directly on flat or curved engineering structural surfaces, such as train tracks and aeroplane structures. The sprayed sensors can be networked, to render rich real-time information on the health status of the structure under monitoring. Due to its light weight and low fabrication cost, large quantities of sensors can be deployed in a sensor network for detecting hidden flaws of structures, paving the way for a new era of ultrasonics-based structural health monitoring."

Read more at Hong Kong Polytechnic University


'Near-Zero-Power' Temperature Sensor Could Make Wearables, Smart Home Devices Less Power-Hungry
UC San Diego - June 2017

"Electrical engineers at the University of California San Diego have developed a temperature sensor that runs on only 113 picowatts of power — 628 times lower power than the state of the art and about 10 billion times smaller than a watt. This "near-zero-power" temperature sensor could extend the battery life of wearable or implantable devices that monitor body temperature, smart home monitoring systems, Internet of Things devices and environmental monitoring systems.

The technology could also enable a new class of devices that can be powered by harvesting energy from low-power sources, such as the body or the surrounding environment, researchers said. The work was published in Scientific Reports on June 30."

Read more at UC San Diego


Ferrimagnetism in a Two-Layer Material Opens New Doors in Computing
IEEE Spectrum - June 2017

"Scientists in Thomas Jung’s research groups at the Paul Scherrer Institute (PSI) and at the University of Basel in Switzerland have fabricated the first two-dimensional ferrimagnetic material that consists of only two layers of material.

Two-dimensional magnetic structures have been hotly pursued in the research community because the magnetic properties of single molecules in these structures can be indivdually addressed and modified. This is especially important in spintronics, where the aim is to use the spins of electrons to encode information."

Read more at IEEE Spectrum


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