21 Mar '14, 2pm

How Lithium-Ion Batteries Age: Scientists Offer Insight

By Stephen Edelstein 750 views Mar 21, 2014 Reddit This! Share on Facebook Share on Twitter 2014 Chevrolet Spark EV Enlarge Photo Aging is a part of life, even for lithium-ion batteries. And battery life is an important consideration for electric-car owners, especially in these early days before there's sufficient real-world data on actual life of electric-car battery packs over the 10- or 15-year lifespan of a typical vehicle. Just like any other car part, batteries degrade over time, and so does their ability to hold a charge. This is well known, but how it happens is less clear. Researchers at the Helmholtz Zentrum Berlin (HZB) say they have found one explanation for lithium-ion battery aging (via Green Car Congress and ChargedEVs ) while testing a "lithium-rich" cathode material. HZB scientists claim the material they were testing has twice the capacity of today's stan...

Full article: http://www.greencarreports.com/news/1091003_how-lithium-i...

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