Model structures of molten salt-promoted MgO to probe the mechanism of MgCO₃ formation during CO₂ capture at a solid-liquid interface.

7c we observe a clear trend of an accelerated growth of MgCO 3 in shallow grooves compared to deep grooves, which is attributed to a shorter diffusion path length of CO 2 to the reaction interface in such systems, yielding in turn a higher density of ionic pairs of magnesium carbonate.

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