If you've ever owned the same smartphone or laptop for several years, you've likely noticed that at some point, the battery couldn't hold a charge quite as well as it did when it was new. Scientists have noticed that, too, which is why a major area of research involves extending the lifespan of batteries. Last month, scientists announced that they may have achieved a breakthrough: They figured out how to give batteries self-repairing powers. That means higher capacities and longer lives — maybe even for the battery in a device you'll own someday.
The Fault in Our Bars
Written by Ashley Hamer June 13, 2019
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