Recent concerns over lithium supply security are prompting much interest in dual intercalation batteries based on sodium rather than lithium, particularly for large-scale energy storage. Engineering knowledge used to optimize Li ion batteries can be used to develop such a system rapidly, although the concept is new. One challenge is identification of suitable negative electrode materials, because sodium does not intercalate into graphite. An intriguing possibility is the development of very low cost sodium ion cells with aqueous electrolytes, which will require a different type of anode than that developed for analogs containing organic electrolytic solutions. For this presentation, we will discuss our recent results on aqueous electrolyte sodium ion batteries and the search for new anode materials.

Designing dual intercalation batteries based on sodium

245th National Meeting (2013)

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