A series of important technical advances in -based sodium ion battery technology were recently published.

Korean scientists showed that sodium ion exchange with tin was hundreds of times faster than rates seen in current technologies, suggesting ultrafast charging may be possible.

Two other papers from and the US reported that trapping tin–antimony alloy nanoparticles inside carbon structures increased performance and the development of tin-antimony-sulphur materials for new generation solid state was announced.

Sodium ion batteries are based on a compound similar to table salt and could be 80% cheaper than lithium ion technologies.

Paper on ultrafast sodiation of tin, December 2017

Papers on trapping tin-antimony nanoparticles in carbon:

Paper on tin-antimony-sulphur materials for solid-state batteries

Stanford University article on cost-effectiveness of sodium vs lithium batteries, October 2017

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