The electrochemical storage of sodium ions from aqueous electrolytes in transition metal oxides is of interest for energy and sustainability applications. The strong interactions between water and transition metal oxide surfaces, as well as those between water and sodium ions, dictate the stability and electrochemical energy storage mechanisms in these materials. This talk will summarize the implications of water as an electrolyte solvent for transition metal oxide electrodes, and present recent results on the stability and performance of layered sodium transition metal oxides as a function of composition in aqueous sodium ion electrolytes. Increased control of the aqueous electrolyte/transition metal oxide interface is likely to lead to improvements in stability and capacity, which are critical breakthroughs for the implementation of transition metal oxides in aqueous sodium ion energy storage technologies.<br/>

Layered transition metal oxides for aqueous sodium ion intercalation

256th National Meeting (2018)

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