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News Link • Science, Medicine and Technology

Sodium ion batteries could finally be ready for prime time

•, brian wang

Sodium ion batteries (SIBs) have emerged as the most direct route to developing more cost effective and more sustainably produced metal-ion batteries due to their similarity in chemistry to Lithium ion batteries LIBs and the 1000× greater natural abundance of sodium in comparison to lithium.

A carbon nucleation layer to enable highly efficient and stable sodium plating and stripping as the basis for a new approach for sodium batteries: the anode-free sodium battery. The exceptional energy density of ∼400 Wh/kg and versatility of this approach that builds upon naturally abundant low-cost materials and aqueous processing is the first demonstration that sodium batteries have the promise of outperforming LIB technology and filling the desperately needed demand for a cost-effect, high-performance battery for grid-scale storage.

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