Combined TPR, XRD, and FTIR studies on the reduction behavior …
2022年9月15日 · The TPR profile of CoO resolves two strongly overlapped major peaks at 807 and 883 K, as well as a weak shoulder at 535 K. The two peaks may account for two …
The mechanism of reduction of cobalt by hydrogen
2004年5月15日 · Cobalt catalysts supported on silica were prepared by an impregnating method and characterized using temperature-programmed reduction (TPR). H 2 was used as the …
Characterization of cobalt oxides studied by FT-IR, Raman, TPR …
2008年7月10日 · TG-MS, XRD, Raman, FTIR and TPR analyses are demonstrated to be useful in identifying the series of cobalt oxides. The D-280 sample [CoO(OH)] has a hexagonal …
Uncovering the reaction mechanism behind CoO as active phase
2022年1月14日 · Transforming carbon dioxide into valuable chemicals and fuels, is a promising tool for environmental and industrial purposes. Here, we present catalysts comprising of cobalt …
CO2还原Nature子刊：揭示CoO活性相背后的反应机理 - 知乎
对于研究中的最佳催化剂CoO/TiO2，作者通过以1:2的比例共同进料CO和CO2，使CO2转化率翻倍，并将C2+烃的选择性从11%提高到了39%，C2+总产率为104 mmol h−1gcat−1。
<i></i>氧化钴氧化一氧化碳的<i> 原位 </i>FTIR研究,Catalysis …
此外，可通过程序升温还原（TPR）将CoO x 精炼至170、230和300°C ，从而纯化其他纯氧化钴。 它们通过TPR和X射线衍射（XRD）表征。 通过 原位 FTIR进一步测试了氧化钴上 的CO吸 …
The TPR profile of CoO x . | Download Scientific Diagram
Further, other pure cobalt oxide species were refined from the CoOx by temperature-programmed reduction (TPR) at 170, 230 and 300 C (labeled as R-170, R-230 and R-300, respectively... ...
Combined TPR, XRD, and FTIR studies on the reduction behavior …
The H 2-reduction of Co 3 O 4 is shown to occur via five events involving removal of weakly bound surface oxygen species (at 493–680 K), reduction into CoO (703–798 K), reduction of …
Boosting reactivity of water-gas shift reaction by synergistic …
2023年10月27日 · The CeO 2-x /CoO 1-x /Co dual-interfaces are structurally active for efficiently catalyzing WGS reaction, where the surrounded presence of small CeO 2-x islets is the …
Boosting CO2 hydrogenation via size-dependent metal–support ... - Nature
2020年5月11日 · Here, we demonstrate how varying the particle size of the support (ceria–zirconia) can be used to tune the metal–support interactions, resulting in a substantially …
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