This stretchable battery can safely power wearables

Researchers from Stanford University have developed a soft and stretchable battery for wearable electronics that relies on a special type of plastic to store power more safely than flammable material used in the conventional batteries today.

The adoption of wearable electronics has so far been limited by their need to derive power from bulky, rigid batteries that reduce comfort and may present safety hazards due to chemical leakage or combustion.

“Until now, we haven”t had a power source that could stretch and bend the way our bodies do, so that we can design electronics that people can comfortably wear,” said chemical engineer Zhenan Bao, who teamed up with materials scientist Yi Cui to develop the device.

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