Controllable Construction of Cobalt Nanoparticles in Nitrogen-Doped Carbon Nanotubes for Photothermal CO2 Methanation

This work reports a Co@CN-700 catalyst for photothermal CO 2 methanation, which could achieve a prominent CH 4 production rate of 199.4 mmol g cat −1 h −1 with near-unity selectivity (99.4%) and high CO 2 conversion (85.8%).