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Search results for triboelectricity

Plasma Âé¶¹ÒùÔºics Nov 15, 2017

Engineers create stable plasma ring in open air

For the first time, engineers at Caltech have created a stable ring of plasma in open air—essentially capturing lightning in a bottle, but without the bottle.

General Âé¶¹ÒùÔºics Sep 27, 2017

Paper supercapacitor addresses power/energy density tradeoff

By coating ordinary paper with layers of gold nanoparticles and other materials, researchers have fabricated flexible paper supercapacitors that exhibit the best performance of any textile-type supercapacitor to date. In ...

General Âé¶¹ÒùÔºics Aug 29, 2017

Why does rubbing a balloon on your hair make it stick?

For centuries, scientists have tried to understand triboelectric charging, commonly known as static electricity.

Materials Science Aug 22, 2017

Self-powered paper-based 'SPEDs' may lead to new medical-diagnostic tools

A new medical-diagnostic device made out of paper detects biomarkers and identifies diseases by performing electrochemical analyses - powered only by the user's touch - and reads out the color-coded test results, making it ...

General Âé¶¹ÒùÔºics Jul 25, 2017

Energy-harvesting bracelet could power wearable electronics

(Âé¶¹ÒùÔº)—Researchers have designed a bracelet that harvests biomechanical energy from the wearer's wrist movements, which can then be converted into electricity and used to extend the battery lifetime of personal electronics ...

Energy & Green Tech Jul 19, 2017

Smart toys without the batteries

The greatest challenge in entertaining young children is keeping their toys powered up. Now, one group reports in the journal ACS Sustainable Chemistry & Engineering that they are one step closer to battery-free interactive ...

Nanophysics Jun 2, 2017

Chinese team develops skin-like triboelectric nanogenerator

(Âé¶¹ÒùÔº)—A team of researchers with the National Center for Nanoscience and Technology in China has developed what it is calling a skin-like triboelectric nanogenerator (STENG). In their paper published in the journal ...

Polymers May 30, 2017

New polymer improves power output of triboelectric nanogenerators

(Âé¶¹ÒùÔº)—A team of researchers with members from several institutions in South Korea has developed a new polymer that is able to improve the power output of triboelectric nanogenerators. In their paper published on the ...

General Âé¶¹ÒùÔºics May 10, 2017

Research from Samsung explores the possibilities of using everyday movement to support motion-powered TENG devices

Triboelectric nanogenerators (TENGs) are small devices that convert movement into electricity, and might just be what bring us into an era of energy-harvesting clothes and implants. But could TENGs, even theoretically, give ...

Energy & Green Tech May 4, 2017

New self-sustained multi-sensor platform for environmental monitoring

A recent study, affiliated with UNIST has engineered a self-sustaining sensor platform to continuously monitor the surrounding environment without having an external power source.

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