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Lithium build up in car battery impacts its performance – Ohio State

Lithium build up in the anodes of a lithium-ion battery is known to have a negative effect on its charge capacity, now a study from Ohio State University has found that lithium also accumulates on the battery’s copper current collector.

Lithium-ion batteries are rechargeable batteries that are used in hybrid and electric vehicles. When the battery is in use, lithium ions move back and forth between the battery’s anode and cathode. Over time, lithium starts to build up on the surface of the anode and the battery begins to lose charge capacity.

Scientists are currently working on improving the lifespan and performance of lithium ion batteries, this includes understanding lithium build-up and how to avoid it.


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