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Are there any existing procedures for the recycling of electric vehicle car batteries, and if so what are they? In particular I'm interested in those used in the Volkswagen E-Golf, though general information is appreciated too.

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Li-Ion batteries are worth recycling just for the lithium in them. This material can be re-refined, and made into new batteries. In this use they should show similar cost savings to recycled vs new aluminum.

There is also the prospect of repurposing a worn battery for stationary use. E.g. It stores 30 kWh in your car for 3 years, then stores 10 kWh in your house for the next 3-10 years. One source I read proposed that the used battery market would help older EV's hold value.

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    Do you have any references for the cost aspect? I've read somewhere that recycling Li-ion isn't economically worthwhile. – THelper Nov 17 '17 at 6:35
  • Also curious if anyone does it, whether it's economically worthwhile or not. There's only so much Lithium easily available but it's not like someone can decide to be environmentally responsible and recycle the batteries in their garage. – Jean-Paul Calderone Nov 17 '17 at 11:39
  • @Jean-PaulCalderone There is an Instructables guide for doing this with smaller batteries. Google DIY Tesla wall. Integrating backup power with household power isn't simple. Some parts need to be done by professionals so that in a power outage, YOU aren't going to electocute someone working on the grid. Completely off grid is simpler. – Sherwood Botsford Nov 17 '17 at 19:51
  • @THelper Sorry I don't. I'm basing it on that aluminum and lithium are both usually refined electrolytically. You would need to dig into recycling technology to veryify this. – Sherwood Botsford Nov 17 '17 at 19:54
  • @SherwoodBotsford Sorry, the "it" I meant was recycling not repurposing. – Jean-Paul Calderone Nov 20 '17 at 1:30

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