Researchers have developed a safer, cheaper, better performing and more flexible battery option for wearable devices. A paper describing the "recipe" for their new battery type was published in the journal Nano Research Energy on June 3.
Fitness trackers. Smart watches. Virtual-reality headsets. Even smart clothing and implants. Wearable smart devices are everywhere these days. But for greater comfort, reliability and longevity, these devices will require greater levels of flexibility and miniaturization of their energy storage mechanisms, which are often frustratingly bulky, heavy and fragile. On top of this, any improvements cannot come at the expense of safety.
As a result, in recent years, a great deal of battery research has focused on the development of "micro" flexible energy storage devices, or MFESDs. A range of different structures and electrochemical foundations have been explored, and among them, aqueous micro batteries offer many distinct advantages.
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