2021年9月1日 · In this work, a highly active and coke resistant Ni/CeZrO 2 catalyst for dry reforming of methane has been prepared via the DBD plasma decomposition of nickel …

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 …

2020年7月5日 · The TPR peaks of Ni@SiO 2 core-shell structure were shifted to higher temperatures in comparison to Ni/SiO 2, indicating that nickel oxide was hardly reduced in the …

2022年8月9日 · The characterizations and catalytic performance evaluations revealed that appropriate impregnation of copper on CeZrO x improves the H 2 activation ability as well as …

2024年10月29日 · This work developed Pd-CeZrO x samples for the simultaneous elimination of benzene and toluene. Firstly, CeZrO x supports were synthesized using several methods (co …

研究了由Ag，Fe，Pt和Pd促进的Ni / CeZrO 2催化剂用于甲烷的自热重整和甲烷的部分氧化。 通过BET表面积，X射线衍射（XRD），H 2程序升温还原（TPR），CO 2（CO 2程序升温解吸） …

2022年5月4日 · The second peak in the H 2-TPR profile of the CeZrO 2-supported Ni catalyst indicates the reduction of CeO 2. The addition of CeO 2 to ZrO 2 to form CeZrO 2 can …

2021年8月1日 · In this study, NiO-promoted κ-CeZrO 4 functional oxygen carriers (OCs) were designed and synthesized for the CLPOR of methane, with excellent lattice oxygen (LO) …

The TPR results are generally consistent with the observations by the XRD. NiO over Al 2 O 3 , CeO 2 , ZrO 2 , and CeZrO is reducible below 850 8 C, even though the extent of interactions …

Using CeZrO x -modified Al 2 O 3 (HTASO5) as support, the catalyst exhibited good catalytic performance (TOF CH4 = 8.0 × 10 −2 s −1, TOF H2 = 10.5 × 10 −2 s −1) and carbon …

2021年7月30日 · Nickel (Ni) based catalysts with ceria-zirconia (Ce-Zr) support can be used to tune the metal-support interactions, resulting in a potentially enhanced CO 2 hydrogenation …

Morphological and structural characterization by TEM and Raman spectroscopy showed that Pt sintering is suppressed on both structures and the doping with Zr led to the CeZrO 2 solid …

2009年6月1日 · H2 temperature-programmed reduction (H2-TPR) and temperature-programmed surface reaction (TPSR) studies demonstrated that addition of the CeZrO2 resulted in an …

结果发现，以NaOH作为沉淀剂制备的CeZrO 2 固溶体比表面积大（68.8 m 2 ·g-1 ）、氧活动性强[表面氧耗氢量达1143 μmol·（g cat（-1]，同时贵金属Pt在其表面高度分散，因此制得 …

2016年1月21日 · Temperature‐programmed reduction (TPR) studies revealed significant alteration in the reducibility of the support due to introduction of the active metal. Catalytic …

2020年3月18日 · Three Ni/CeZrO 2 /MgAl 2 O 4 catalysts synthesized using different Zr/Ce molar ratios (0.25, 1, and 4) were studied for methane tri-reforming. The catalysts were …

2017年5月3日 · A series of WO 3 /CeZrO 2 catalysts, prepared at different calcination temperatures (400, 500, 600 and 700 °C) of cerium–zirconium mixed oxides (CeZrO 2) for the …

2023年1月9日 · The resulting materials constitute an ideal case study to thoroughly understand cerium redox properties. The Ce3+/Ce4+ redox properties are investigated by H2-TPR …

2021年7月1日 · A combination of TPR, oxygen isotopic exchange and DRIFTS measurements demonstrated that embedded Pt nanoparticles interact more strongly with ceria than supported …

2023年1月9日 · The synthesis of Ce-UiO-66 and CeZr-UiO-66 and their subsequent calcination are presented here as a simple and inexpensive approach for achieving homogeneous and …