New batteries fix themselves

New batteries fix themselves

Self-healing versions last longer and are less likely to burst into flames

By Devin Powell, 12:23 PM February 21, 2011

WASHINGTON — A newly created lithium-ion battery that can heal itself may improve the life span and safety of today’s energy-storage technologies, researchers report.

Rechargeable lithium-ion batteries power cell phones, laptops and other portable electronics. But, like any batteries, they tend to break down over time.

"There are many different types of degradation that happen, and fixing this degradation could help us make longer-lasting batteries," said Scott White, a materials engineer at ...

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