Materials
Three high-purity MgO powders were used for carbonation/calcination cycles (Fig. 10). The nanopowders were sourced from Alfa Aesar (AA, 325 mesh, 99.95 wt% purity), Beantown chemicals (BTC, 40–60 nm, 99 wt% purity), and Skysprings…

Three high-purity MgO powders were used for carbonation/calcination cycles (Fig. 10). The nanopowders were sourced from Alfa Aesar (AA, 325 mesh, 99.95 wt% purity), Beantown chemicals (BTC, 40–60 nm, 99 wt% purity), and Skysprings…