Lithium-Ion accumulator

Source: gutefrage.net

At the right side of the graphic, the Cu changes while discharging into C as graphite. How and why does this happen?

I thought it happens because of the dissolving of the Cu when the electrons stream from the Cu to the Al.


closed as unclear what you're asking by M.A.R., Todd Minehardt, airhuff, jerepierre, bon May 3 '17 at 20:15

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The electrode in here has two parts – the Cu and the graphite (C). The Cu won't dissolve. Only the graphite (C) will react. So there is no changing from Cu to C.


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