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BMW + Vattenfall Start EV Battery Reuse Partnership

BMW GroupBMW Group and Vattenfall have reportedly partnered up to jointly conduct research on the secondary use of high-voltage EV batteries from the MINI E and BMW ActiveE.

The BMW release is in German, and Google doesn’t to the best job of clearly translating this one, but Mike Millikin of Green Car Congress summarizes/translates it thus:

The focus of the partners is the use of second-life EV packs for caching power at fast charging stations and solar installations, and also large installations for grid stabilization.

Even after the end of their life cycle in an electric vehicle, EV batteries still have a storage capacity of around 80%, the partners noted—enough to be used as a stationary buffer memory even over many years.

I’ll take his word for it.

Of course, the secondary use of EV batteries is very logical (note the 80% statistic above), and others have been researching and testing such use.

I can’t see the world not going this route when it comes to “used up” EV batteries.

Something important to keep in mind, of course, is that such batteries retain a decent monetary value if the can be used for grid our household storage. So, while an EV owner may need to replace his battery every 8 years or so, that doesn’t mean the battery being retired is no longer worth anything. Unfortunately, determining that financial worth to the consumer is a challenge, making EV versus gasmobile cost comparisons that much more challenging.

 
Written By

is the director of CleanTechnica, the most popular cleantech-focused website in the world, and Planetsave, a world-leading green and science news site. He has been covering green news of various sorts since 2008, and he has been especially focused on solar energy, electric vehicles, and wind energy since 2009. Aside from his work on CleanTechnica and Planetsave, he's the founder and director of Solar Love, EV Obsession, and Bikocity. Zach has long-term investments in TSLA, SCTY, FSLR, SPWR, SEDG, & ABB. After years of covering solar and EVs, he simply had a lot of faith in these companies and felt like they were good companies to invest in as a portion of his retirement strategy. To connect with Zach on some of your favorite social networks, go to ZacharyShahan.com and click on the relevant buttons.

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