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Metal-free energy storage

In flow batteries, energy is produced by passing solutions of 'electroactive' materials — often, metal salts — through an electrochemical cell. A non-metallic electroactive material opens the way to large-scale energy storage. See Letter p.195

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Figure 1: Schematic of a flow battery.


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Correspondence to Grigorii L. Soloveichik.

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Soloveichik, G. Metal-free energy storage. Nature 505, 163–164 (2014).

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