A new stretchable battery can power wearable electronics

EurekAlert  January 24, 2020
To develop a soft and stretchable battery an international team of researchers (USA – Stanford University, SLAC National Accelerator Laboratory, China, Singapore) developed a polymer that is solid and stretchable rather than gooey and potentially leaky, and carries an electric charge between the battery’s poles. In lab tests the experimental battery maintained a constant power output even when squeezed, folded and stretched to nearly twice its original length. The thumbnail-sized prototype stores roughly half as much energy, ounce for ounce, as a comparable conventional battery. The team is working to increase the battery’s energy density, build larger versions of the device and run future experiments to demonstrate its performance outside the lab. The research opens a promising route to create high-toughness ion transport materials for energy storage applications…read more. Open Access TECHNICAL ARTICLE

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