Abstract
Catalytic steam reforming of methane in an electric field (named “electreforming”) was conducted over metal catalysts supported on CeO 2 or Ce x Zr 1− x O 2 at low temperatures such as 423 K where conventional catalytic reactions hardly proceeded. The conversion of methane was greatly increased by weak and effective application of an electric field to the catalyst bed. Use of Ce x Zr 1− x O 2 as a catalyst support promoted electreforming, the lattice oxygen of Ce x Zr 1− x O 2 playing an important role. Energy efficiency of electreforming, reaction mechanism, and the role of lattice oxygen were investigated and are discussed in this paper.
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