While flexible and stretchable electronics technologies have progressed in leaps and bounds over the past 10 years, batteries to power them have some catching up to do.

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Researchers in Singapore and China have now demonstrated a “quasi-solid-state” battery—made from materials somewhere between a liquid and a solid—that can be compressed by as much as 60% while maintaining high energy density and good stability over 10,000 charge–recharge cycles.

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The battery fabrication exploits 3-D printing, which, while attracting interest for producing complex battery structures, has posed challenges for batteries that can stretch, squash and bend while powering devices. “3-D printing technology is a very rapidly developing area,” says Hui Ying Yang , a materials science researcher at Singapore University of Technology and Design who led the research reported in ACS Nano . She explains that this prompted her and her […]

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