Image: Shinichi Komaba, Tokyo University of Science
By ESS News
Researchers from the Tokyo University of Science have discovered that adding copper to a sodium ion battery cathodermaterial improves stability and therefore the lifespan.
The study, published in Advanced materialsDemonstrates a method to overcome an important defect in β-natrium manganic oxide (β-namno2), a promising cheap alternative for lithium-based materials.
The NAMN material exists in two primary crystal forms, an A-phase and a β phase. Although the β phase is of particular importance, the synthesis process often introduces structural defects that are known as stacking errors (SFS).
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