Efficient CO2 conversion to CO using chemical looping over Co-In oxide

Jun Ichiro Makiura, Sota Kakihara, Takuma Higo, Naoki Ito, Yuichiro Hirano, Yasushi Sekine*

*この研究の対応する著者

研究成果: Article査読

抄録

CO2 conversion to CO by reverse water-gas shift using chemical looping (RWGS-CL) can be conducted at lower temperatures (ca. 723-823 K) than the conventional catalytic RWGS (>973 K), and has been attracting attention as an efficient process for CO production from CO2. In this study, Co-In2O3 was developed as an oxygen storage material (OSM) that can realize an efficient RWGS-CL process. Co-In2O3 showed a high CO2 splitting rate in the mid-temperature range (723-823 K) compared with previously reported materials and had high durability through redox cycles. Importantly, the maximum CO2 conversion in the CO2 splitting step (ca. 80%) was much higher than the equilibrium conversion of catalytic RWGS in the mid-temperature range, indicating that Co-In2O3 is a suitable OSM for the RWGS-CL process.

本文言語English
ページ(範囲)4837-4840
ページ数4
ジャーナルChemical Communications
58
31
DOI
出版ステータスPublished - 2022 3月 17

ASJC Scopus subject areas

  • 触媒
  • 電子材料、光学材料、および磁性材料
  • セラミックおよび複合材料
  • 化学 (全般)
  • 表面、皮膜および薄膜
  • 金属および合金
  • 材料化学

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