A Microdroplet-Confined Precipitation Route to Small-Sized Porous Catalysts and Thermal-Tolerant BaCO3–CuZnAlO for H2 Production
A Microdroplet-Confined Precipitation Route to Small-Sized Porous Catalysts and Thermal-Tolerant BaCO3–CuZnAlO for H2 Production
研究概述
提出微液滴限域沉淀法，制备小颗粒、多孔氧化物催化剂，并展示多组分及高熵体系的适用性。BaCO3–CuZnAlO在水煤气变换中的活性约为对照的2–2.5倍，甲醇蒸汽重整连续高温运行10天仍较稳定。原位X射线研究表明BaCO3可抑制活性Cu颗粒烧结。
谱图与表征信息
Figure 4. Schematic diagram (a) of the in situ XRD and in situ XAFS study. Catalytic process-programmed evolution of BaCO3−CuZnAlO catalysts during the activation for the WGS reaction with in situ XRD (b), X-ray absorption near-edge structure (XANES) (c), and EXAFS (d) in the heating phase and XANES (e) and EXAFS (f) at room temperature.