[MSA-talk] REE...

Alexandra Navrotsky anavrotsky at ucdavis.edu
Sat Nov 25 11:11:50 EST 2017


Many designs of  batteries and fuel cells involve  small amounts of  RE in secondary components

From: msa-talk-bounces at minlists.org [mailto:msa-talk-bounces at minlists.org] On Behalf Of Tom Mitchell
Sent: Friday, November 24, 2017 3:22 PM
To: Hovis, Guy L
Cc: MSA public List serve
Subject: Re: [MSA-talk] REE...



On Thu, Nov 23, 2017 at 4:45 PM, Hovis, Guy L <hovisguy at lafayette.edu<mailto:hovisguy at lafayette.edu>> wrote:
I've had the request below from a colleague. Any help would be appreciated.

"Do you know about the mining of REE that are used in batteries? Specifically I’m interested in those used in hybrid and/or plug in hybrid vehicles? I am trying to learn more about the environmental impact of these different approaches to transportation."

There are perhaps two REE issues.  The important one is RE magnets in the drive train.
i.e. the Rare Earth magnets produced from Neodymium and Praseodymium

The batteries that are important involve lithium which is not a REE.
Some lithium batteries are using nickel and cobalt with their own issues.

Once mined and formed into magnets REE recovery is quite easy because of the extreme
magnetic properties which makes recovery a lot easier than some stuff.

REE mining seems to have radioactive element by product.  The issue with radioactive
elements is the astounding sensitivity and detectability at a distance of radioactive elements
natural and man made.
https://minerals.cr.usgs.gov/projects/Mountain_Pass_carbonatite/index.html

How sensitive...
https://www.ncbi.nlm.nih.gov/pubmed/2749221


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  T o m    M i t c h e l l
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