Electrochemical Reduction of NO and O2 on Oxide Based Electrodes

被引：22
|
作者：
Hansen, K. K. [1 ,2 ]
Christensen, H. [2 ]
Skou, E. M. [1 ]
机构：
[1] USD Odense Univ, Dept Chem, DK-5230 Odense M, Denmark
[2] Dinex Filter Technol, DK-5500 Middelfart, Denmark
来源：
IONICS | 2000年 / 6卷 / 5-6期
关键词：
Oxide; Oxygen; Catalytic Activity; Perovskite; Electronic Material;
D O I：
10.1007/BF02374150
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Cyclic voltammetry has been used to investigate the electrocatalytic properties of oxide based electrodes for the reduction of NO and oxygen. Perovskites of compositions LaxSr1-xMnO3+delta, (LSMx), with 0.05 <= x <= 0.5 and La0.6Sr0.4Fe0.8Mn0.2O3-delta, (LSFM), the spinels Co3O4 and CuCr2O4 and the mixed oxide V2O5 have been selected and investigated in the temperature range 300 - 500 degrees C. The materials show good catalytic properties against both NO oxidation and NO reduction. The catalytic activity as well as the selectivity is dependent both on the redox behavior of the compound and on the oxygen defect concentration.
引用
收藏
页码：340 / 345
页数：6
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