Journal
RSC ADVANCES
Volume 12, Issue 44, Pages 28359-28363Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ra05946k
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Funding
- MEXT Project for promoting public utilization of advanced research infrastructure (Program for supporting construction of core facilities) [JPMXS0440500021]
- JSPS KAKENHI [19K22090]
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Dry reforming of methane (DRM) is a promising reaction for converting greenhouse gases into syngas. By applying an electric field and using Ni-Fe bimetallic catalysts, the difficulties in conventional thermal catalytic reactions can be overcome.
Dry reforming of methane (DRM) is a promising reaction able to convert greenhouse gases (CO2 and CH4) into syngas: an important chemical feedstock. Several difficulties limit the applicability of DRM in conventional thermal catalytic reactions; it is an endothermic reaction that requires high temperatures, resulting in high carbon deposition and a low H-2/CO ratio. Catalysis with the application of an electric field (EF) at low temperatures can resolve these difficulties. Synergistic effects with alloys have also been reported for reactions promoted by the application of EF. Therefore, the synergistic effects of low-temperature DRM and Ni-Fe bimetallic catalysts were investigated using various methods and several characterisations (XRD, XPS, FE-STEM, etc.), which revealed that Ni-Fe binary catalysts show high performance in low-temperature DRM. In particular, the Ni0.8Fe0.2 catalyst supported on CeO2 was found to carry out DRM in EF effectively and selectively by virtue of its bimetallic characteristics.
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