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CO2 Reduction

Isolated low-valent nickel

Electrochemical conversion of CO2 to fuels is an attractive pathway to store electrical energy in chemical form. Isolated, low-valent Ni species in nitrogen-doped graphene are now demonstrated to selectively convert CO2 to CO electrochemically with high intrinsic activity and stability.

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Fig. 1: The precursor molecules used to synthesize the Ni(I)/nitrogen-doped graphene electrocatalyst.
Fig. 2: Proposed structural evolution of the active site during the catalytic cycle for CO2 conversion over a Ni(I)/nitrogen-doped graphene catalyst.

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Correspondence to Guido Mul.

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Mul, G. Isolated low-valent nickel. Nat Energy 3, 90–91 (2018). https://doi.org/10.1038/s41560-018-0092-5

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