
A simulated-TPD study of H2 desorption on metal surfaces
2022年4月1日 · In this work, we present a systematical study of the simulated-TPD of H 2 desorption on different surfaces of Ni- and Cu-group metals based on density functional theory …
TPR、TPD测试技术 - 知乎 - 知乎专栏
TPD(Temperature Programmed Desorption):预先吸附某种气体(例如O2),然后通过稳定流速的气体使得被吸附的气体脱附,检测脱附出来的气体的浓度随着温度的变化。 可以反映的 …
On the Temperature Programmed Desorption of Hydrogen …
2014年10月17日 · Temperature programmed hydrogen desorption (H2-TPD) is a versatile tool to characterize metal surfaces in heterogeneous catalysts. We present a systematic H2-TPD …
Improved performance of Ni/Al2O3 catalyst deriving from the ...
2021年4月19日 · The H 2 -temperature programmed desorption (H 2 -TPD) revealed that better Ni dispersion and more Ni–Al 2 O 3 interface could be obtained by the NiAl-LDH precursor, …
The Temperature-Programmed Desorption of H2 from Cu/ZrO2 …
2016年3月7日 · The desorption kinetics of hydrogen from a polycrystalline Cu/ZrO2 catalyst was investigated under atmospheric pressure using temperature-programmed desorption (TPD) …
Hydrogen Temperature-Programmed Desorption (H2 TPD) of …
1993年10月1日 · Hydrogen temperature-programmed desorption (TPD) of supported platinum catalysts, Pt/KLTL, Pt/H-LTL, Pt/K-MAZ, Pt/H-MAZ, Pt/γ-Al 2 O 3, and Pt/SiO 2, was …
Analysis of Temperature-Programmed Desorption via Equilibrium ...
2022年11月15日 · Temperature-programmed desorption (TPD) experiments in surface science are usually analyzed using the Polanyi–Wigner equation and/or transition-state theory. These …
Fig. 2 shows the H2 TPD area of the p state, the H2 TPD area of the a state, and the total H2 TPD area as a function of Pd flrn thickness. Due to the desorption from MO, it is difficult to …
求教H2-TPD和H2-TPR的区别? - 盖德问答
h2-tpd是程序升温脱附,考察的是对氢气的吸附能力,h2-tpd是先吸附氢气,然后程序升温脱附,检测氢气的脱出。 而H2-TPR是程序升温还原,考察升温过程中对氢气的消耗。
a H2-TPR and b H2-TPD profiles of the Ni-based catalysts
The 5 series of Al2O3-supported Ni-based and Ni–Fe bimetallic catalysts are prepared by impregnation and coprecipitation methods and characterized by H2-TPR, XRD, H2-TPD, and …