Chemical causes of battery ‘capacity fade’ identified – #Lithium Ion Battery / #Manganese

When manganese ions (gray) are stripped out of a battery’s cathode (blue), they can react with the battery’s electrolyte near the anode (gold), trapping lithium ions (green/yellow).
Credit: Robert Horn/Argonne National Laboratory

“There’s a strict correlation between the amount of #Manganese that makes its way to the anode and the amount of #lithium that gets trapped,” said study coauthor and #Argonne scientist Daniel Abraham. “Now that we know the mechanisms behind the trapping of lithium ions and the capacity fade, we can find methods to solve the problem.”

Read more at: https://www.sciencedaily.com/releases/2017/04/170425131339.htm

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