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Stretchable Electronics

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stretchable supercapacitor

This fully stretchable supercapacitor is composed of carbon nanotube macrofilms, a polyurethane membrane separator, and organic electrolytes.

Credit: UDaily

University of Delaware researchers are developing power sources for flexible, stretchable electronics, which could find applications in biomedical, wearable, portable, and sensory devices. "Advances in soft and stretchable substrates and elastomeric materials have given rise to an entirely new field," says Delaware professor Bingqing Wei. However, he notes that stretchable electronics need rechargeable and stretchable energy storage devices, also known as supercapacitors, in order to function properly.

The researchers studied stretchable supercapacitor's electrochemical behavior using buckled single-wall nanotube electrodes and an elastomeric separator.

Wei says the supercapacitor they developed achieved excellent stability in testing and the results will provide important guidelines for future design and testing of the energy storage device.

From UDaily
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