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Approaching saturation limits

The energy density of aqueous organic flow batteries is generally low primarily because of the low solubility or instability of charge-storing organic molecules. Now, a phenazine-derived molecule is shown to have both high solubility and long-term stability, leading to an exceptionally high capacity in an aqueous flow battery.

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Fig. 1: Selected molecules for aqueous redox flow batteries.


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Correspondence to Daniel P. Tabor.

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Tabor, D.P. Approaching saturation limits. Nat Energy 3, 455–456 (2018).

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