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首页> 外文期刊>Catalysis science & technology >Mesoporous Ni/Ce1-xNixO2-y heterostructure as an efficient catalyst for converting greenhouse gas to H-2 and syngas
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Mesoporous Ni/Ce1-xNixO2-y heterostructure as an efficient catalyst for converting greenhouse gas to H-2 and syngas

机译：介孔Ni / Ce1-xNixO2-y异质结构作为高效的催化剂将温室气体2、合成气

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摘要

It has been a great challenge to develop an efficient and stable catalyst for dry reforming of methane with carbon dioxide. A new catalyst was synthesized with the catalytically active component in both the lattice and on the surface of the mesoporous support. A remarkable improvement in the catalytic performance of Ni nanocrystals assembled inside pore channels of mesostructured Ni-doped ceria was observed. The initial activity and long-term stability of the sample substantially surpassed that of samples without the intermixed oxide and/or a nonporous architecture, even though the latter was more available. Such an effect concerning a collaborative function stemming from a mesostructure and solid solution has been rarely reported previously in catalysis involving CeO2. We believe that this finding might be of a very generic character and be extended to lots of similar fields. It is expected that the results here can spur experimental and theoretical investigation to promote fundamental comprehension of host-guest or metal-oxide interplay in CeO2-based composite materials.
机译：这是一个开发一个巨大的挑战高效、稳定的催化剂干燥的改革甲烷与二氧化碳。合成与催化地活跃组件表面晶格和介孔的支持。镍的催化性能的改善纳米晶体组装内部孔隙的渠道介孔Ni-doped二氧化铈是观察。最初的活动和长期稳定的样本大大超过了样本没有无孔隙的氧化物和/或混杂在一起建筑,尽管后者是更多可用。源于一个协作功能中构造和固溶体已经很少先前报道涉及CeO2的催化作用。我们认为,这一发现可能的通用的性格和扩展到很多类似的领域。在这里可以刺激实验和理论推动调查的基础主-客体的理解或金属氧化物在CeO2-based复合材料相互作用。

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