ทับคล้อ

ทับคล้อ

ผลลัพธ์ (อังกฤษ) 1:

Thap khlo

ผลลัพธ์ (อังกฤษ) 2:

Claude slash

ผลลัพธ์ (อังกฤษ) 3:

Perovskite type oxides were considered for use as oxygen reduction and generation electrocatalysts in alkaline, electrolytes. Perovskite stability and electrocatalytic activity are studied along with possible relationships of the latter with the. Bulk solid state properties. A series of compounds of the type LaFe (x) Ni1 (- x) O3 was used as a model system to gain information. On the possible relationships between surface catalytic activity and bulk structure. Hydrogen peroxide decomposition rate. Constants were measured for these compounds. Ex situ Mossbauer effect spectroscopy (MES), and magnetic susceptibility measurements. Were used to study the solid state properties. X ray photoelectron spectroscopy (XPS) was used to examine the surface. MES. Has indicated the presence of a paramagnetic to magnetically ordered phase transition for values of X between 0.4 and 0.5. A. Correlation was found between the values of the MES isomer shift and the catalytic activity for peroxide, decomposition. Thus the catalytic, activity can be correlated to the d-electron density for the transition metal cations.