New battery tech ends reliance on lithium?

 Spectrum:

Is This the End for Lithium-ion Batteries? "Layer cake" anode could help sodium-ion batteries displace lithium-ion
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Researchers now report a new type of graphene electrode that could boost the storage capacity of sodium batteries to rival lithium's. The material can pack nearly as many sodium ions by volume as a conventional graphite electrode does lithium. It opens up a path to making low-cost, compact sodium batteries practical.

Abundant and cheap, and with similar chemical properties as lithium, sodium is a promising replacement for lithium in next-generation batteries. The stability and safety of sodium batteries makes them especially promising for electronics and cars, where overheated lithium-ion batteries have sometimes proven hazardous.
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Recently some have been touting the lithium mining in Afghanistan after the Taliban took over.  That mining could be worth much less with this new tech. 

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