Charging lithium-ion cells at different rates boosts lifetimes of battery packs for electric vehicles

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Stanford University researchers have devised a new way to make lithium-ion battery packs last longer and suffer less deterioration from fast charging.

The research, published Nov. 5 in IEEE Transactions on Control Systems Technology, shows how actively managing the amount of electrical current flowing to each cell in a pack, rather than delivering charge uniformly, can minimize wear and tear. The approach effectively allows each cell to live its best—and longest—life.
According to Stanford professor and senior study author Simona Onori, initial simulations suggest batteries managed with the new technology could handle at least 20% …
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