Nitrogen doping helps make a stable anode for sodium ion batteries

Sodium-ion technology would be a cheaper alternative to lithium-ions for batteries, if only its propensity to self-destruct could be tamed. Advances are being made in small steps, the latest of which is an anode material from the Korea Maritime and Ocean University which has kept working through 11,000 charge-discharge cycles at 100A per gram. One ...

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