Efficient reverse water gas shift reaction at low temperatures over an iron supported catalyst under an electric field
Masaki Yamaoka, Keidai Tomozawa, Koki Sumiyoshi, Tadaharu Ueda, Shuhei Ogo
Abstract
Abstract The development of high-performance Fe-based catalysts is attractive because Fe is a cost-effective and earth-abundant element. Application of an external electric field and an appropriate catalytic support to an Fe-based catalyst enabled the reverse water–gas shift reaction to proceed with high activity, selectivity, and durability even at the low temperature of 423 K. The Fe-supported catalyst showed superior CO selectivity (≈ 100%) compared to the Co- or Ni-supported catalyst. The apparent activation energy (5.9 kJ mol −1 ) over the Fe/Ce 0.4 Al 0.1 Zr 0.5 O 2 catalyst under an electric field was much lower than that without an electric field (61.4 kJ mol −1 ).