Battery aging reversed to keep electric train chugging along

Publication: NBC News   Date: January 4, 2013   View Article

Researchers have written an algorithm that reverses aging in rechargeable lead-acid batteries, a breakthrough that will let them keep their all-electric train chugging along longer.

β€œTo be able to rejuvenate anything is pretty remarkable,” Christopher Rahn, a mechanical engineer at Pennsylvania State University, told NBC News. β€œI mean, how many times in life do you actually reverse aging?”

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