Science Advances

Supplementary Materials

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  • Fig. S1. X-ray diffraction characterization of the prepared sorbent-catalysts.
  • Fig. S2. Temperature-programmed carbonation-decarbonation profile of CaO.
  • Fig. S3. Intensity of TCD signal and CO as a function of temperature during CO2-TPSR on the surface of freshly reduced CaO/Ni_9.
  • Fig. S4. Enthalpy of main reactions involved in the proposed CaL methane reforming process.
  • Fig. S5. CO2 capture performance of the prepared sorbent-catalysts in the CaL methane reforming process.
  • Fig. S6. Influence of the Ni/(Ca + Ni) molar ratio on the performance of the CaL methane reforming process.
  • Fig. S7. Specific CO2 and CH4 consumption as a function of the Ni/(Ca + Ni) molar ratio in the sorbent-catalyst.
  • Fig. S8. Thermogravimetric quantification of the deposited carbon in the spent sorbent-catalysts.
  • Fig. S9. Carbon deposition characteristics of the prepared CaO-Ni bifunctional sorbent-catalysts.
  • Fig. S10. Thermodynamic equilibrium of related reactions involved in the CaL methane reforming process.
  • Table S1. Nitrogen physisorption results of the freshly calcined sorbent-catalysts.
  • Table S2. The content and crystallite size of metallic Ni in the freshly reduced sorbent-catalysts.
  • Table S3. CO pulse chemisorption results of the freshly reduced sorbent-catalysts.

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