Versatile fibers offer improved energy storage capacity for wearable devices

The latest wearable devices, such as Samsung’s Galaxy Ring and Apple’s Vision Pro, are taking health care a step further and even enabling people to work virtually. Given the characteristics of wearable devices that require them to be small and lightweight, there is an inevitable limitation on battery capacity, still presenting a technical barrier to incorporating a variety of functions. In order for wearable devices to fully realize their potential, it is necessary to develop a lighter and ‘more from less’ energy storage method.

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