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Converting two wastes to value

A significant portion of the energy required to electrochemically reduce CO2 to fuels and chemicals is typically consumed by the accompanying oxygen evolution reaction. Now, researchers show that alternative oxidative reactions using biodiesel-waste could improve the economics and emission profiles of this process.

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Fig. 1: CO2 electroreduction coupled to glycerol electro-oxidation.


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Correspondence to André Bardow.

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Bardow, A., Wessling, M. Converting two wastes to value. Nat Energy 4, 440–441 (2019).

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