Synergistic effects of Ni-Fe alloy catalysts on dry reforming of methane at low temperatures in an electric field

Ayaka Motomura; Yuki Nakaya; Clarence Sampson; Takuma Higo; Maki Torimoto; Hideaki Tsuneki; Shinya Furukawa; Yasushi Sekine

doi:10.1039/d2ra05946k

Synergistic effects of Ni-Fe alloy catalysts on dry reforming of methane at low temperatures in an electric field

Ayaka Motomura, Yuki Nakaya, Clarence Sampson, Takuma Higo, Maki Torimoto, Hideaki Tsuneki, Shinya Furukawa, Yasushi Sekine^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

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 H₂/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 Ni_0.8Fe_0.2 catalyst supported on CeO₂ was found to carry out DRM in EF effectively and selectively by virtue of its bimetallic characteristics.

Original language	English
Pages (from-to)	28359-28363
Number of pages	5
Journal	RSC Advances
Volume	12
Issue number	44
DOIs	https://doi.org/10.1039/d2ra05946k
Publication status	Published - 2022 Oct 5

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering

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abstract = "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 H2/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.",

author = "Ayaka Motomura and Yuki Nakaya and Clarence Sampson and Takuma Higo and Maki Torimoto and Hideaki Tsuneki and Shinya Furukawa and Yasushi Sekine",

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AU - Motomura, Ayaka

AU - Nakaya, Yuki

AU - Sampson, Clarence

AU - Higo, Takuma

AU - Torimoto, Maki

AU - Tsuneki, Hideaki

AU - Furukawa, Shinya

AU - Sekine, Yasushi

PY - 2022/10/5

Y1 - 2022/10/5

N2 - 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 H2/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.

AB - 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 H2/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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Synergistic effects of Ni-Fe alloy catalysts on dry reforming of methane at low temperatures in an electric field

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