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(Phys Org2)   What to do with all the sulfur left over from refining petroleum? National lab boffins make batteries out of it that are four times as efficient as the ones you have now   ( phys.org) divider line
    More: Spiffy, crude oil, national laboratory, Oak Ridge National Laboratory, cathodes, anodes, commercial open source applications, energy density, applied research  
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1529 clicks; posted to Geek » on 06 Jun 2013 at 9:55 AM (4 years ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»

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2013-06-06 10:17:41 AM  
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But how heavy are they?  Lithium batteries are substantially lighter and NiCd or NMh, and as an RC pilot weight is critical in an electric plane.

And how about safety?  Will they burn down your house if not careful, like Lithium?  (just search for "lithium battery fire"...there are a gazillion videos of these things firebombing.  They can be extremely dangerous if you do something wrong.

And then disposal.  NMh are not very environmentally friendly, one should never toss them out, they should be recycled.  The same for Lead Acid.  But Lithium batteries can be soaked in salt water for a day and then can be tossed in the trash.
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