Pieces of flexible, rechargeable yarn batteries can be connected in series to power electroluminescent panel displays. Credit: American Chemical Society
When someone thinks about knitting, they usually don’t conjure up an image of sweaters and scarves made of yarn that can power watches and lights. But that’s just what one group is reporting in ACS Nano. They have developed a rechargeable yarn battery that is waterproof and flexible. It also can be cut into pieces and still work.
Most people are familiar with smartwatches, but for wearable electronics to progress, scientists will need to overcome the challenge of creating a device that is deformable, durable, versatile and wearable while still holding and maintaining a charge...
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